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Sample records for helena kruus gert

  1. Gert Finger Becomes Emeritus Physicist

    NASA Astrophysics Data System (ADS)

    de Zeeuw, T.; Lucuix, C.; Péron, M.

    2016-03-01

    Gert Finger has retired after almost 33 years service and he has been made the first Emeritus Physicist at ESO. An appreciation of some of his many achievements in the development of infrared instrumentation and detector controllers is given. A retirement party for Gert Finger was held in February 2016.

  2. Cecilia Helena Payne-Gaposchkin

    NASA Astrophysics Data System (ADS)

    Braden, Antony; Contreras, Adelso

    2009-10-01

    This project will briefly tell the story of one of the 20^th century's most prominent astronomers, who through perseverance triumphed at the center of astrophysics. It also tells the story of the rough times in which Cecilia Helena Payne-Gaposchkin lived in as women then were held to much lower standards than they are today and endured unjust conditions. It also provides an analysis of the evolution of the astrophysics of stellar composition over a lengthy and prosperous career.

  3. Introducing a short version of the Geneva Emotion Recognition Test (GERT-S): Psychometric properties and construct validation.

    PubMed

    Schlegel, Katja; Scherer, Klaus R

    2016-12-01

    The ability to accurately interpret others' emotional expressions in the face, voice, and body is a crucial component of successful social functioning and has been shown to predict better outcomes in private and professional life. To date, emotion recognition ability (ERA) has mostly been measured with tests that heavily rely on static pictures of the face and on few emotions, restricting their content validity. Recently, Schlegel, Grandjean, and Scherer (Psychological Assessment, 26, 666-672, 2014) published a new test that measures ERA in a more comprehensive fashion, by (1) including a wide range of 14 positive and negative emotions and (2) using video clips with sound that simultaneously present facial, vocal, and bodily emotional cues. This article introduces the short version of the Geneva Emotion Recognition Test (the GERT-S), and presents two studies (total N = 425) that examine the internal consistency, factor structure, and convergent and discriminant validity of the test. The results show that the GERT-S is a unidimensional test with good internal consistency. Furthermore, the GERT-S was substantially positively correlated with other ERA tests, with tests of emotional understanding and emotion management, and with cognitive ability. Taken together, the present studies demonstrate the usefulness of the GERT-S as an instrument for the brief and reliable assessment of ERA. It is available, free of charge and in seven different languages, for academic research use. Given the brief test-taking time (approx. 10 min) and its possible administration via different online platforms, the GERT-S can easily be integrated by researchers into their own studies.

  4. Gert's moral theory and its application to bioethics cases.

    PubMed

    Strong, Carson

    2006-03-01

    Bernard Gert's theory of morality has received much critical attention, but there has been relatively little commentary on its practical value for bioethics. An important test of an ethical theory is its ability to yield results that are helpful and plausible when applied to real cases. An examination of Gert's theory and his own attempts to apply it to bioethics cases reveals that there are serious difficulties with regard to its application. These problems are sufficiently severe to support the conclusion that Gert's theory is unacceptable as an approach for resolving bioethics cases, even relatively noncontroversial cases.

  5. Water resources of St. Helena Parish, Louisiana

    USGS Publications Warehouse

    White, Vincent E.; Prakken, Lawrence B.

    2016-07-27

    Information concerning the availability, use, and quality of water in St. Helena Parish, Louisiana, is critical for proper water-resource management. The purpose of this fact sheet is to present information that can be used by water managers, parish residents, and others for stewardship of this vital resource. Information on the availability, past and current use, use trends, and water quality from groundwater and surface-water sources in the parish is presented. Previously published reports and data stored in the U.S. Geological Survey’s National Water Information System (http://waterdata.usgs.gov/nwis) are the primary sources of the information presented here.

  6. 78 FR 22416 - Amendment of Class E Airspace; St. Helena, CA

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-04-16

    ... Class E airspace for St. Helena, CA. St. Helena Fire Department Heliport has been changed to Napa County... requested the change to the airport name of Napa County Fire Department Heliport, St. Helena, CA. The Class... Class E airspace extending upward from 700 feet above the surface at St. Helena, CA, to Napa County...

  7. Insights from an Editor's Journey: An Interview with Gert Biesta

    ERIC Educational Resources Information Center

    Teschers, Christoph

    2017-01-01

    Gert J. J. Biesta is a widely known and respected scholar in the field of education. He has published a large number of articles, books, chapters and other work. He is currently professor of Education in the Department of Education at Brunel University London. This interview with Biesta touched on a wide range of topics. This article is a…

  8. 40 CFR 81.169 - Helena Intrastate Air Quality Control Region.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 40 Protection of Environment 17 2010-07-01 2010-07-01 false Helena Intrastate Air Quality Control Region. 81.169 Section 81.169 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) AIR... Control Regions § 81.169 Helena Intrastate Air Quality Control Region. The Helena Intrastate Air...

  9. Maria Helena Novaes--Creative Person, Creative Life

    ERIC Educational Resources Information Center

    de Alencar, Eunice M. L. Soriano

    2014-01-01

    This article describes the characteristics and accomplishments of Maria Helena Novaes, one of the most creative school psychologists of Brazil. It identifies the people who influenced her and some of the factors that may have contributed to her achievements and rise to eminence. It highlights the numerous opportunities she received during her life…

  10. 76 FR 28065 - Notice of Intent To Repatriate a Cultural Item: Montana Historical Society, Helena, MT

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-05-13

    ... National Park Service Notice of Intent To Repatriate a Cultural Item: Montana Historical Society, Helena... repatriate a cultural item in the possession of the Montana Historical Society, Helena, MT, that meets the... Territory, between 1884 and 1886. In 1892, Allen loaned it to the Montana Historical Society....

  11. 76 FR 30422 - Notice of Intent To Rule on Request To Release Airport Property at the Helena Regional Airport...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-05-25

    ... on Request To Release Airport Property at the Helena Regional Airport, Helena, Montana AGENCY... Release Airport Property. SUMMARY: The FAA proposes to rule and invite public comment on the release of land at Helena Regional Airport (HLN) under the provisions of Section 125 of the Wendell H....

  12. Gastrointestinal diseases of Napoleon in Saint Helena: causes of death.

    PubMed

    Di Costanzo, Jacques

    2002-01-01

    The fact that Napoleon Ist died from gastric cancer seems to be well established. Arguments for the hypothesis of chronic arsenic poisoning have recently been developed in the literature. This study, focused on the gastrointestinal diseases of Napoleon in Saint Helena, is based on a confrontation between the clinical semiological anamnesis and the anatomical data in the autopsy report by F. Antommarchi. Napoleon presented several gastrointestinal diseases: gall-bladder lithiasis complicated with angiocholitis, chronic colitis and certainly a gastric cancer. Death was consecutive to perforation of the gastric lesion leading to haemorrhagic vomitis and multiorgan failure. The description of the gastric lesions during autopsy is consistent with the diagnosis of cancer. The course of the clinical events is closely correlated with the anatomic lesions. There is strong evidence that Napoleon died from an acute complication of his gastric disease.

  13. 75 FR 66718 - Helena National Forest; Montana; Blackfoot Travel Plan EIS

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-10-29

    ... Forest Service Helena National Forest; Montana; Blackfoot Travel Plan EIS AGENCY: Forest Service, USDA... the existing motorized public access routes and prohibitions within the Blackfoot travel planning area. Consistent with the Forest Service travel planning regulations, the resulting available public...

  14. Expression of the Retrotransposon Helena Reveals a Complex Pattern of TE Deregulation in Drosophila Hybrids

    PubMed Central

    Romero-Soriano, Valèria; Garcia Guerreiro, Maria Pilar

    2016-01-01

    Transposable elements (TEs), repeated mobile sequences, are ubiquitous in the eukaryotic kingdom. Their mobilizing capacity confers on them a high mutagenic potential, which must be strongly regulated to guarantee genome stability. In the Drosophila germline, a small RNA-mediated silencing system, the piRNA (Piwi-interacting RNA) pathway, is the main responsible TE regulating mechanism, but some stressful conditions can destabilize it. For instance, during interspecific hybridization, genomic stress caused by the shock of two different genomes can lead, in both animals and plants, to higher transposition rates. A recent study in D. buzatii—D. koepferae hybrids detected mobilization of 28 TEs, yet little is known about the molecular mechanisms explaining this transposition release. We have characterized one of the mobilized TEs, the retrotransposon Helena, and used quantitative expression to assess whether its high transposition rates in hybrids are preceded by increased expression. We have also localized Helena expression in the gonads to see if cellular expression patterns have changed in the hybrids. To give more insight into changes in TE regulation in hybrids, we analysed Helena-specific piRNA populations of hybrids and parental species. Helena expression is not globally altered in somatic tissues, but male and female gonads have different patterns of deregulation. In testes, Helena is repressed in F1, increasing then its expression up to parental values. This is linked with a mislocation of Helena transcripts along with an increase of their specific piRNA levels. Ovaries have additive levels of Helena expression, but the ping-pong cycle efficiency seems to be reduced in F1 hybrids. This could be at the origin of new Helena insertions in hybrids, which would be transmitted to F1 hybrid female progeny. PMID:26812285

  15. Beverage consumption among European adolescents in the HELENA Study

    PubMed Central

    Duffey, K.J.; Huybrechts, I.; Mouratidou, T.; Libuda, L.; Kersting, M.; DeVriendt, T.; Gottrand, F.; Widhalm, K.; Dallongeville, J.; Hallström, L.; González-Gross, M.; DeHenauw, S.; Moreno, L.A.; Popkin, B.M.

    2012-01-01

    Background and Objective Our objective was to describe the fluid and energy consumption of beverages in a large sample of European adolescents Methods We used data from 2,741 European adolescents residing in 8 countries participating in the Healthy Lifestyle in Europe by Nutrition in Adolescence Cross Sectional Study (HELENA-CSS). We averaged two 24-hour recalls, collected using the HELENA-dietary assessment tool. By gender and age subgroup (12.5–14.9 y and 15–17.5 y), we examined per capita and per consumer fluid (milliliters [mL]) and energy (kilojoules [kJ]) intake from beverages and percent consuming ten different beverage groups. Results Mean beverage consumption was 1611 ml/d in boys and 1316 ml/d in girls. Energy intake from beverages was about 1966 kJ/d and 1289 kJ/d in European boys and girls respectively, with sugar-sweetened beverages (carbonated and non-carbonated beverages, including soft drinks, fruit drinks and powders/concentrates) contributing to daily energy intake more than other groups of beverages. Boys and older adolescents consumed the most amount of per capita total energy from beverages. Among all age and gender subgroups sugar-sweetened beverages, sweetened milk (including chocolate milk and flavored yogurt drinks all with added sugar), low-fat milk, and fruit juice provided the highest amount of per capita energy. Water was consumed by the largest percent of adolescents followed by sugar-sweetened beverages, fruit juice, and sweetened milk. Among consumers, water provided the greatest fluid intake and sweetened milk accounted for the largest amount of energy intake followed by sugar-sweetened beverages. Patterns of energy intake from each beverage varied between countries. Conclusions European adolescents consume an average of 1455 ml/d of beverages, with the largest proportion of consumers and the largest fluid amount coming from water. Beverages provide 1609 kJ/d, of which 30.4%, 20.7%, and 18.1% comes from sugar-sweetened beverages

  16. Metalliferous deposits of the greater Helena mining region, Montana

    USGS Publications Warehouse

    Pardee, Joseph Thomas; Schrader, F.C.

    1933-01-01

    The ore deposits described in this bulletin are distributed through a region of about 3,000 square miles surrounding the city of Helena, Mont. In general the surface of this region is mountainous, but it includes several large intermontane valleys. Large areas in the northern and eastern parts of the region sire underlain by sedimentary rocks of the Algonkian Belt series, and on the northeast and southwest the Belt rocks are overlain without any noticeable angular unconformity by Paleozoic and Mesozoic beds. Oligocene, Miocene, and possibly Pliocene sediments, composed chiefly of volcanic ash and land waste of local origin, occupy large areas in the intermontane valleys and lie unconformably upon Cretaceous and older rocks. A thin veneer of Pleistocene and Recent alluvium generally overspreads the Tertiary. In the extreme northern part of the region are large deposits of glacial drift that represent two stages of the Pleistocene. The principal igneous body of the region is the northern part of the early Tertiary or late Cretaceous Boulder batholitb of quartz monzonite. The main exposure of this body occupies an area of nearly 1,200 square miles and extends southward beyond the limits of the particular region considered. Smaller areas of similar rocks are clustered around this exposure. Most of the exposures probably represent bodies that are connected in depth to form a single mass. The late Cretaceous and older sedimentary rocks are involved in a series of northwestward-trending folds. Along the east side of the region overthrust faults related to the great Lewis overthrust of Glacier National Park cause Belt rocks to overlie rocks of Paleozoic and Mesozoic ages. Large normal faults occur near Marysville and faults of moderate displacement near Helena. The Tertiary beds are slightly deformed by folds and faults that are unrelated to the structure of the older rock. The geologic history of the region includes two contrasting periods, the earlier of which was

  17. 77 FR 31421 - Culturally Significant Objects Imported for Exhibition Determinations: “Portrait of Helena de Kay”

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-05-25

    ... From the Federal Register Online via the Government Publishing Office ] DEPARTMENT OF STATE Culturally Significant Objects Imported for Exhibition Determinations: ``Portrait of Helena de Kay'' SUMMARY... object to be included in the exhibition ``Portrait of Helena de Kay,'' imported from abroad for...

  18. 76 FR 70955 - Helena Nation Forest: Dalton Mountain Forest Restoration & Fuels Reduction Project

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-11-16

    ... Forest Service Helena Nation Forest: Dalton Mountain Forest Restoration & Fuels Reduction Project AGENCY... restoration and fuel reduction in the Dalton Mountain area is needed to move toward the goals of the HNF... dominated by lodgepole pine. Tree mortality from a mountain pine beetle epidemic is extensive. This...

  19. [Book review] Fish and fishes of Saint Helena Island, by Alasdair J. Edwards

    USGS Publications Warehouse

    Smith-Vaniz, W.F.

    1991-01-01

    Review of: FISH AND FISHERIES OF SAINT HELENA ISLAND. By AlasdairJ. Edwards. 1990. Available from the author, Department of Biology, Ridley Building, University of Newcastle upon Tyne, NE1 7RU, England, 152 p., 24 p. color plates, £14.50 (or US$25.) surface, £17.00 (or US$30.)

  20. 76 FR 55643 - Helena National Forest; Montana; Divide Travel Plan EIS

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-09-08

    ... Forest Service Helena National Forest; Montana; Divide Travel Plan EIS AGENCY: Forest Service, USDA... the existing motorized public access routes and prohibitions within the Divide travel planning area for wheeled and over-snow motorized vehicles. Consistent with Forest Service travel...

  1. 77 FR 61570 - Helena National Forest; Montana; Blackfoot Travel Plan EIS

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-10-10

    ... Forest Service Helena National Forest; Montana; Blackfoot Travel Plan EIS AGENCY: Forest Service, USDA. ACTION: Corrected Notice of Intent to prepare an environmental impact statement for the Blackfoot Travel... (NOI) in regard to the Blackfoot Travel Plan Environmental Impact Statement (EIS) that is...

  2. Lithium in rocks from the Lincoln, Helena, and Townsend areas, Montana

    USGS Publications Warehouse

    Brenner-Tourtelot, Elizabeth F.; Meier, Allen L.; Curtis, Craig A.

    1978-01-01

    In anticipation of increased demand for lithium for energy-related uses, the U.S. Geological Survey has been appraising the lithium resources of the United States and investigating occurrences of lithium. Analyses of samples of chiefly lacustrine rocks of Oligocene age collected by M. R. Mudge near Lincoln, Mont. showed as much as 1,500 ppm lithium. Since then we have sampled the area in greater detail, and have sampled rocks of similar ages in the Helena and Townsend valleys. The lithium-rich beds crop out in a band about 1.3 km long by 0.3 km wide near the head of Beaver Creek, about 14 km northwest of Lincoln, Mont. These beds consist of laminated marlstone, oil shale, carbonaceous shale, limestone, conglomerate, and tuff. Some parts of this sequence average almost 0.1 percent lithium. The lithium-bearing rocks are too low in grade and volume to be economic. Samples of sedimentary rocks of Oligocene age from the Helena and Townsend valleys in the vicinity of Helena, Mont. were generally low in lithium (3-40 ppm). However, samples of rhyolites from the western side of the Helena valley and from the Lava Mountain area were slightly above average in lithium content (6-200 ppm).

  3. Toward a Theory of the Educational Encounter: Gert Biesta's Educational Theory and the Right to the City

    ERIC Educational Resources Information Center

    Ford, Derek R.

    2013-01-01

    This paper outlines a theory of the educational encounter, the space of, and the right to that encounter. Situated in response to neoliberal educational reforms, this theory is developed through a reading and synthesis of the educational theory of Gert Biesta, the architectural component of his theory, and literature on the right to the city. The…

  4. Superfund Record of Decision (EPA Region 8): East Helena, MT. (First remedial action), November 1989

    SciTech Connect

    Not Available

    1989-11-22

    The 80-acre East Helena site, in East Helena, Lewis and Clark County, Montana, is a primary lead smelting facility that has been in operation since 1888. Prickly Pear Creek flows near the site and has been found to contain elevated levels of arsenic and lead. A 1984 remedial investigation identified elevated levels of metal contamination in soil, livestock, plants, and ground and surface waters with the sources of onsite contamination being primary and fugitive emissions and seepage from process ponds and process fluid circuitry. The primary contaminants of concern in the process ponds are metals including arsenic and lead. The selected remedial action for this site includes excavating and smelting 55,150 cubic yards of soil and/or sediment from all four process ponds and multi-media monitoring after individual remedial activities are implemented at three of the process pond areas.

  5. Larval morphology and complex vocal repertoire of Rhacophorus helenae (Anura: Rhacophoridae), a rare flying frog from Vietnam.

    PubMed

    Vassilieva, Anna B; Gogoleva, Svetlana S; Poyarkov, Nikolay A Jr

    2016-06-24

    We present new data on the distribution, reproduction, larval morphology and vocalization of Rhacophorus helenae (Rhacophoridae), a narrowly distributed frog from southern Vietnam. Two new populations of R. helenae were discovered during field surveys in the lowland monsoon forests in Dong Nai and Ba Ria-Vung Tau provinces in 2010-2013. Spawning was observed in May 2013. Egg clutches containing small (2.3±0.1 mm) unpigmented eggs were embedded in a foam nest and suspended high on trees above temporary ponds. The tadpoles of R. helenae have a morphology typical of pond-dwelling Rhacophorus larvae with a moderate tail length and a labial tooth row formula of 5(2-5)/3. Postmetamorphic juveniles differed from adult frogs in the features of their coloration and less developed webbing. The complex vocal repertoire of R. helenae included five types of tonal, wideband and pulsed calls and several transitional signal types differentiated by frequency and amplitude parameters. Calls were uttered as singular signals (pulsed calls) or within non-stereotyped series of variable duration (other call types). The complex structure of the advertisement call markedly distinguishes R. helenae from other members of the Rhacophorus reinwardtii species complex.

  6. Description of Survey Data Regarding the Chemical Repackaging Plant Accident West Helena, Arkansas

    SciTech Connect

    Sorensen, J.H.; Vogt, B.M.

    1999-03-01

    Shortly after 1:00 p.m. on Thursday, May 8, 1997, clouds of foul-smelling smoke began pouring from an herbicide and pesticide packaging plant in West Helena, Arkansas. An alert was sounded, employees evacuated, and the West Helena fire department was called. As three firefighters prepared to enter the plant, the chemical compounds exploded, collapsing a solid concrete block wall, and killing all three firefighters. As the odorous smoky cloud drifted away from the plant, authorities ordered residents in a 2-mile area downwind of the plant to evacuate and those in the 2- to 3-mile zone to shelter in place. This study examines and compares the responses to a mail survey of those ordered to evacuate and those told to shelter in place. Among the variables examined are compliance with official orders and perceived warnings, threat perception, time and source of first warning, response times, and behavior characteristics for both populations. The findings indicate that 90% of those that were told to evacuate did so but only 27% of those told to shelter-in-place did so, with 68% opting to evacuate instead. The implications of these findings for emergency managers is that people will likely choose to evacuate when both warnings to evacuate and warnings to shelter are issued to residents in close proximity to each other. The findings on warning times closely resemble other findings from evacuations when chemical accidents occur and route notification is used for warning residents.

  7. A Q-GERT Model for Determining the Maintenance Crew Size for the SAC command Post Upgrade

    DTIC Science & Technology

    1983-12-01

    AFIT/GOR/OS/83D-1 l.2, II \\I * In SA Q-GERT MODEL FOR DETERMINING ’- THE MAINTENANCE CREW SIZE FOR •’THE SAC COMMAND POST UPGRADE THESIS Harold R...COMMAND POST UPGRADE * THESIS Presented to the Faculty of the School of’Engineering of the Air Force Institute of Technology Air University In...Thomas Clark, and my reader,.Lt. Col. Gerald Armstrong, for their assistance and guidance during the preparation of my thesis . I would also like to thank

  8. 76 FR 18622 - Notice of Intent To Rule on Request To Release Airport Property at the Helena Regional Airport...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-04-04

    ... and invite public comment on the release of land at Helena Regional Airport (HLN) under the provisions of Section 125 of the Wendell H. Ford Aviation Investment Reform Act for the 21st Century (AIR 21.... SUPPLEMENTARY INFORMATION: The FAA invites public comment on the request to release property at HLN under...

  9. Maps Showing Depth to Water Table, September 1976, and Area Inundated by the June 1975 Flood, Helena Valley, Lewis and Clark County, Montana

    USGS Publications Warehouse

    Wilke, Kathleen R.; Johnson, M.V.

    1978-01-01

    Depth to water table, September 1976, and area inundated by the June 1975 flood in the Helena valley, Montana, are mapped on two sheets, Helena and East Helena 7.5-minute quadrangles, at scale 1:48,000. Depth to water table was mapped using water-level measurements from existing shallow observation wells and selected domestic wells, and from field reconnaissance of topography. A hydrograph shows water-level fluctuation in two wells located in different parts of the valley. Area inundated by the June 1975 flood was mapped from aerial photos along Prickly Pear and Tenmile Creeks and by field reconnaissance along Silver Creek. (Woodard-USGS)

  10. Hydrologic data from selected wells in the Helena Valley, Lewis and Clark County, Montana

    USGS Publications Warehouse

    Moreland, Joe A.; Leonard, R.B.; Reed, T.E.; Clausen, R.O.; Wood, W.A.

    1979-01-01

    Hydrologic data were collected during 1978-79 to aid in evaluating the hydrologic conditions in shallow aquifers beneath the Helena Valley, Montana. The locations of 52 shallow test wells augered during the study are shown on a map at a scale of 1:48,000. Periodic water-level measurements and water-quality analyses for the test holes are listed in tables. Water temperature, specific conductance, and nitrate concentration are given for water samples collected from 98 domestic wells, and chemical analyses are included for 11 domestic and irrigation wells. In addition, water-level drawdown and recovery data are plotted on graphs for five pumped wells and three observation wells. (Kosco-USGS)

  11. Comparison of definitions for the metabolic syndrome in adolescents. The HELENA study.

    PubMed

    Vanlancker, Tine; Schaubroeck, Emmily; Vyncke, Krishna; Cadenas-Sanchez, Cristina; Breidenassel, Christina; González-Gross, Marcela; Gottrand, Frederic; Moreno, Luis A; Beghin, Laurent; Molnár, Denes; Manios, Yannis; Gunter, Marc J; Widhalm, Kurt; Leclercq, Catherine; Dallongeville, Jean; Ascensión, Marcos; Kafatos, Anthony; Castillo, Manuel J; De Henauw, Stefaan; Ortega, Francisco B; Huybrechts, Inge

    2017-02-01

    Various definitions are used to define metabolic syndrome in adolescents. This study aimed to compare, in terms of prevalence and differences, five frequently used definitions for this population: International Diabetes Federation, National Cholesterol Education Program Adult Treatment Panel III (NCEP-ATP) modified by Cook, pediatric American Heart Association (AHA), World Health Organization, and Jolliffe and Janssen. A sample of 1004 adolescents (12.5-17.0 years) from the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) study was considered. The components of the definitions (waist circumference/BMI, plasma lipids, glycemia, and blood pressure) were applied, and definitions were compared by using crosstabs, sensitivity, specificity, and kappa coefficient. The prevalence of metabolic syndrome varied from 1.6 to 3.8% depending on the used definitions. Crosstabs comparing the definitions showed the fewest cases being misclassified (having metabolic syndrome or not) between NCEP-ATP and AHA. Analyses for kappa coefficient, sensitivity, and specificity confirmed this finding.

  12. Looking through the lenses of science literacy and cultural diversity: learning from Helena's mistake

    NASA Astrophysics Data System (ADS)

    Chinn, Pauline W. U.

    2012-06-01

    Maria Andrée focuses on an immigrant student whose error in a laboratory activity leads to a novel, colorful outcome that she excitedly shares with peers. After engaging in class activities for a few weeks she returns to her earlier dislike of science, saying: "I hate science, particularly Chemistry." The classroom activity system focused on reproduction of school knowledge did not expand to accommodate Helena's "new activity system with an object of learning science." This essay suggests teachers be prepared to teach diverse students in ways supporting multiple ways to engage in science. This becomes possible when teachers view their classrooms as dynamic, participatory activity systems that support content mastery as contributing to but not being identical to science identity and science literacy.

  13. Hydrogeology of the Helena Valley-fill aquifer system, west-central Montana. Water resources investigation

    SciTech Connect

    Briar, D.W.; Madison, J.P.

    1992-01-01

    The report, which presents the study results, describes the hydrogeology of the valley-fill aquifer system. Specific objectives were to: describe the geometry and the hydraulic characteristics of the aquifer system; define the potentiometric surface and the direction of ground-water flow; locate and quantify sources of ground-water recharge and discharge including surface- and ground-water interactions; and characterize the water quality in terms of susceptibility of the aquifer system to contamination and in terms of concentrations, distribution, and sources of major ions, trace elements, and organic compounds. The results of the study will be useful to the development of a comprehensive management program for the use and protection of the ground-water resources of the Helena Valley.

  14. Hydrographic variability in the St. Helena Bay region of the southern Benguela ecosystem

    NASA Astrophysics Data System (ADS)

    Lamont, T.; Hutchings, L.; van den Berg, M. A.; Goschen, W. S.; Barlow, R. G.

    2015-04-01

    Cross-shelf distributions of temperature, salinity, water masses, and dissolved oxygen in St. Helena Bay revealed substantial vertical and seasonal variations. In the surface layers, nearshore and offshore temperature and salinity patterns differed, with bay-scale variability linked to upwelling dynamics and coastal processes, while the offshore region was influenced by solar insolation. Spectral analysis revealed that an annual signal prevailed at most stations, and corroborated contrasting patterns between the offshore and nearshore regions, with phase differences suggesting shoreward propagation of the offshore temperature signal. The shelf was dominated by Modified Upwelled Water (MUW) and Subantarctic Mode Water (SAMW), which comprised the primary source of upwelled water. Clear zonation of MUW was evident across the shelf, resulting from seasonal variations in locations of the oceanic and bifurcated shelf-break fronts. Dynamics within St. Helena Bay consistently differed from those further offshore, due to the influences of the shelf-break front, Cape Columbine upwelling plume, and cyclonic recirculation, which appeared to be associated with an intraannual signal with a periodicity of 3-4 months. Persistent hypoxia in the bottom waters suggested the occurrence of a permanent reservoir of Low Oxygen Water (LOW). Seasonal shoreward and offshore expansion of LOW occurred throughout the upwelling season, with maximum extent reached during summer and autumn, due to the coupled effects of advection and local phytoplankton decay. While wind mixing ventilated the water column at nearshore stations in winter, and the onset of upwelling during spring introduced oxygen-richer water from further offshore, hypoxia persisted in the center of the Bay.

  15. Erosive effects of the storms HELENA (1963) and HUGO (1989) on Basse-Terre island (Guadeloupe - Lesser Antilles Arc).

    NASA Astrophysics Data System (ADS)

    Le Bivic, Rejanne; Allemand, Pascal; Delacourt, Christophe; Quiquerez, Amélie

    2014-05-01

    Basse-Terre is a volcanic island which belongs to the archipelago of Guadeloupe located in the Lesser Antilles Arc (Caribbean Sea). As a mountainous region in the tropical belt, Basse-Terre is affected by intense sediment transport due to extreme meteorological events. During the last fifty years, eight major tropical storms and hurricanes with intense rainfalls induced landslides and scars in the weathered layers. The purpose of this study is to compare two major meteorological events within a period of 26 years (HELENA in 10/1963 and HUGO in 09/1989) in order to qualify the parameters responsible of the spatial distribution of landslides and scars. The storm HELENA affected Basse-Terre between the 23rd and the 25th of October, 1963. The maximal daily rainfall reached 300 mm in Baillif which is located on the leeward coast at the altitude of 650 m while the maximum wind velocity reached 50 km/h. A similar exceptional event happened when the hurricane HUGO slammed the island in September 17, 1989. The maximum daily rainfall recorded in Sainte-Rose (on the northern coast) was 250 mm while it reached 208 mm in Petit-Bourg and the maximum wind speed was 60 km/h. Aerial images were acquired by the IGN (French Geographical Institute) before and a few weeks after the extreme events: less than three months after the event HELENA and less than a month after the event HUGO. Those images have been orthorectified at a metric resolution and combined in a GIS with a 10 m resolution DEM. Scars and landslides were digitalized and their surface area and mean slope were measured for both HELENA and HUGO. This work confirms several results proposed by a previous study related to the HELENA event: (1) the landslides occurred mainly in the center of the island and (2) the slope is the main parameter for the initiation of landslides, since all of them occurred with a slope superior to 30°. Furthermore, the resiliency of the surface affected by the landslides induced by HELENA was

  16. Polycyclic aromatic hydrocarbons in fish from St Helena, South Atlantic, in relation to an historic wreck.

    PubMed

    Rumney, Heather S; Potter, Kerry; Mellor, Philip K; Brant, Jan; Whomersley, Paul; Shaw, Stephen; Barry, Jon; Kirby, Mark F; Law, Robin J

    2014-12-15

    Concentrations of polycyclic aromatic hydrocarbons were determined in edible tissues of fish species consumed by the islanders of St Helena to assess any risk to human health posed by oil leaking from an historic wreck. Samples were collected from the vicinity of the wreck site and at two reference locations at which fishing activity occurs. Summed PAH concentrations ranged from 2.2 to 20 μg kg(-1) wet weight, and no PAHs with more than 4 fused rings were detected. All concentrations of the four PAH used as a basis for assessment in relation to health risks to human consumers of foods within the EU (benz[a]anthracene, benzo[a]pyrene, benzo[b]fluoranthene and chrysene) were<0.1 μg kg(-1) wet weight and raised no concerns. Additionally, concentrations were calculated as the benzo[a]pyrene toxic equivalency quotient and found to be well below the level of concern (0 to 0.05 μg kg(-1) wet weight benzo[a]pyrene equivalents).

  17. St. Helena, Edmond Halley, the discovery of stellar proper motion, and the mystery of Aldebaran

    NASA Astrophysics Data System (ADS)

    Brandt, John C.

    2010-07-01

    St. Helena was the location of Halley's observatory in 1677-1678. The site has been identified and I report on a visit in November 2006. The principal use of the observatory was to accurately map the stars of the southern sky. In the summary of his work, the Catalogus Stellarum Australium, Halley noted evidence for the "... mutability of the fixed Stars." He would not return to this subject until much later in his career. Halley later compared contemporary positions of Arcturus, Sirius, and Aldebaran with the ancient positions recorded in the Almagest. He found that these stars had apparently moved southward by >30' and concluded that they had their own particular motions. Modern proper motion measurements are consistent with this conclusion for Arcturus and Sirius, but are not even close for Aldebaran. While some authors are aware of the problem, it generally is not mentioned in books on the history of astronomy or in biographical works on Halley. Errors in the Almagest positions can be ruled out; an error of 30' in the early eighteenth century position is highly unlikely; a misidentification of the star is implausible; and, we are left with the conclusion that there is most likely an error in Halley's calculations.

  18. [Prevalence of enteroparasitosis in the population of Maria Helena, Paraná State].

    PubMed

    Santos, Simone Aparecida Dos; Merlini, Luiz Sérgio

    2010-05-01

    The epidemiological study on intestinal parasites has the purpose of determining the main diseases and their respective etiologic agents, which are endemically or epidemically spread worldwide. The aim of this study was to evaluate the enteroparasitosis infection prevalence, in which age group they prevail, relating the infection with age, gender, and the region in which the person lives, in the city of Maria Helena - PR. Data collection was performed from June of 2004 to May of 2006. 431 samples of feces were analyzed through the spontaneous sedimentation and centrifugal fluctuation methods. The enteroparasitosis prevalence was of 16%, being the most frequent enteroparasitosis: Endolimax nana (6.5%), Entamoeba coli (3.5%), Giardia lamblia (6.3%), Ascaris lumbricoides (1.4%), Strongyloides stercoralis (0.7%), Entrobius vermicularis (0.7%), Anchylostomiasis (0.2%), Entamoeba hystolitica and Taenia sp (0.2%). Poly-parasitism was found in 3.2% of the samples. The age group from 0 to 9 years presented the highest prevalence, however there was no statistical difference among the analyzed factors since p>0.05. From these results, it was possible to conclude that the city presents similar characteristics both in rural and urban zones.

  19. Altering conditions for student participation and motive development in school science: learning from Helena's mistake

    NASA Astrophysics Data System (ADS)

    Andrée, Maria

    2012-06-01

    Previous research on science education has described various factors influencing students' participation and produced categorizations of students based on e.g. cultural background. In this article it is argued, theoretically and empirically, that an understanding of students' participation in science education needs to begin with an analysis of what activity students are engaged in. The aim is to explore how altering conditions of classroom work may open up opportunities for students mainly participating in an activity of education or schooling to engage in an activity of science learning. Activity is conceptualized in a Cultural-Historical Activity Theory perspective as object-oriented and transformative. Drawing on an ethnographic study in a Swedish compulsory school, a critical incident of the participation in science education of a 7th grade girl called Helena is analyzed. The results show that altered conditions of classroom practice may produce new possibilities for student participation, and point to the impossibility of determining students as `different kinds of students' based on a priori categories e.g. sex, ethnicity, socio-economic background.

  20. Quartz resources in the Serra de Santa Helena formation, Brazil: A geochemical and technological study

    NASA Astrophysics Data System (ADS)

    Santos, Murilo Ferreira Marques dos; Fujiwara, Eric; Schenkel, Egont Alexandre; Enzweiler, Jacinta; Suzuki, Carlos Kenichi

    2014-12-01

    This study presents an evaluation of Brazilian quartz deposits of Corinto and Olhos D'água, in Minas Gerais State, as potential high purity raw material for the production of silica glass. Both deposits are part of the Serra de Santa Helena formation, which holds other quartz deposits. Several quartz samples from these mines were analyzed to evaluate their chemical purity, by determination of the content of trace elements by ICP-MS after acid digestion. The technological characteristics of the ores after flame-fusion into silica glass were evaluated according to their bubble generation and UV transparency. The results indicate that silica glass with chemistry suitable for crucible applications can be obtained from materials of both mines, and even optical grade silica glass can be manufactured using transparent ore from one of the mines. In addition, this work explores the trace elements composition of each mine, as well as their fluid inclusions, and characterizes the mines as being of hydrothermal origin. Small differences in the physical and chemical characteristics of quartz that could affect the technological behavior of the ores are related to the geological history of the mines and provide interesting insights regarding the exploration of other quartz resources within the same geological formation.

  1. Life as an early career researcher: interview with Heloisa Helena Milioli

    PubMed Central

    Milioli, Heloisa Helena

    2016-01-01

    Heloisa Helena Milioli speaks to Francesca Lake, Managing Editor: Heloisa received a BSc degree in Biological Sciences (2008) from the Universidade Federal de Santa Catarina (Brazil) and obtained a MSc degree in Genetics (2011) from Universidade Federal do Paraná (Brazil). In 2011 and 2012, she worked as a lecturer and tutor in the Department of Cell Biology, Embryology and Genetics (Universidade Federal de Santa Catarina). She moved to Australia in 2012 to obtain her PhD in Biological Sciences, with emphasis on Bioinformatics, from The University of Newcastle. Her doctoral work brings together new considerations in the breast cancer field by combining novel bioinformatics approaches with the study of intrinsic subtypes. She has been applying advanced methods and sophisticated algorithms in unconventional computer architecture for the molecular classification of breast cancer based on the genomic (single nucleotide polymorphisms, circulating nucleic acids and copy number variations) and transcriptomic (gene expression and miRNA) signatures. Fundamental research will allow her to identify biomarkers of use in translational medicine for the diagnosis, prognosis and disease management focused on group-based tailored therapies. PMID:28031973

  2. Active relatives and health-related physical fitness in European adolescents: the HELENA Study.

    PubMed

    Martín-Matillas, Miguel; Ortega, Francisco B; Ruiz, Jonatan R; Martínez-Gómez, David; Vicente-Rodríguez, Germán; Marcos, Ascensión; Béghin, Laurent; Kafatos, Anthony; González-Gross, Marcela; Zaccaria, Maria; Molnár, Dénes; De Henauw, Stefaan; Sjöström, Michael; Moreno, Luis A; Castillo, Manuel J

    2012-01-01

    High physical fitness in childhood and adolescence is positively associated with favourable health-related outcomes. Our aim was to examine the relationship between relatives' (father, mother, brother, sister, and best friend) physical activity engagement and encouragement on adolescents' physical fitness. Adolescents were part of the HELENA study, a multi-centre study conducted in 10 cities from nine European countries in 2006-2008. Participants were 3288 adolescents (48% boys, 52% girls) aged 12.5-17.5 years with valid data on at least one of the three fitness variables studied: muscular strength (standing long jump), speed/agility (4×10 m shuttle run), and cardiorespiratory fitness (20 m shuttle run). The adolescents reported their relatives' physical activity engagement and encouragement. Analysis of covariance showed that relatives' physical activity engagement (father, mother, brother, and best friend) was positively related to cardiorespiratory fitness (P < 0.05); and mother's and sisters' physical activity engagement were positively associated with higher muscular strength in adolescents (P < 0.05). Furthermore, father's physical activity encouragement was positively linked to physical fitness (all fitness components) in adolescents (P < 0.05). Interventions aimed at improving physical fitness in young people might be more successful when family members, particularly mothers and fathers, are encouraged to engage in physical activity and support adolescents' physical activity.

  3. Objectively measured physical activity and sedentary time in European adolescents: the HELENA study.

    PubMed

    Ruiz, Jonatan R; Ortega, Francisco B; Martínez-Gómez, David; Labayen, Idoia; Moreno, Luis A; De Bourdeaudhuij, Ilse; Manios, Yannis; Gonzalez-Gross, Marcela; Mauro, Beatrice; Molnar, Denes; Widhalm, Kurt; Marcos, Ascensión; Beghin, Laurent; Castillo, Manuel J; Sjöström, Michael

    2011-07-15

    The authors' aim in this cross-sectional study was to characterize levels of objectively measured physical activity and sedentary time in adolescents from 9 European countries. The study comprised 2,200 European adolescents (1,184 girls) participating in the HELENA cross-sectional study (2006-2008). Physical activity was measured by accelerometry and was expressed as average intensity (counts/minute) and amount of time (minutes/day) spent engaging in moderate- to vigorous-intensity physical activity (MVPA). Time spent in sedentary behaviors was also objectively measured. Cardiorespiratory fitness was measured by means of the 20-m shuttle run test. Level of maternal education was reported by the adolescents. A higher proportion of boys (56.8% of boys vs. 27.5% of girls) met the physical activity recommendations of at least 60 minutes/day of MVPA. Adolescents spent most of the registered time in sedentary behaviors (9 hours/day, or 71% of the registered time). Both average intensity and MVPA were higher in adolescents with high cardiorespiratory fitness, and sedentary time was lower in the high-fitness group. There were no physical activity or sedentary time differences between maternal education categories. These data provide an objective measure of physical activity and amount of time spent in sedentary behaviors in a relatively large number of European adolescents.

  4. Economic and Fiscal Conditions in Rural America. Hearings before the Committee on the Budget. House of Representatives, Ninety-Ninth Congress, Second Session (Helena, Montana and Worthington, Minnesota, March 14, 1986).

    ERIC Educational Resources Information Center

    Congress of the U.S., Washington, DC. House Committee on the Budget.

    In the seventh of a series of field hearings held in different regions of the country, the House Committee on the Budget met in Helena, Montana, and Worthington, Minnesota, on March 14, 1986, to hear comments from a broad range of witnesses on the 1987 federal budget. At the Helena meeting statements were made by Montana Governor Ted Schwinden, by…

  5. Secular trends in health-related physical fitness in Spanish adolescents: the AVENA and HELENA studies.

    PubMed

    Moliner-Urdiales, D; Ruiz, J R; Ortega, F B; Jiménez-Pavón, D; Vicente-Rodriguez, G; Rey-López, J P; Martínez-Gómez, D; Casajús, J A; Mesana, M I; Marcos, A; Noriega-Borge, M J; Sjöström, M; Castillo, M J; Moreno, L A

    2010-11-01

    We analysed the secular trends in health-related physical fitness in Spanish adolescents between 2001-2002 and 2006-2007. Two representative population studies were conducted 5 years apart in adolescents (12.5-17.5 years) from Zaragoza (Spain) that participated in the AVENA study in 2001-2002 and in the HELENA-CSS study in 2006-2007. Both studies used the same tests to assess physical fitness: the handgrip strength, bent arm hang, standing broad jump, 4×10m shuttle run and 20m shuttle run tests. Performance in 4×10m shuttle run and 20m shuttle run tests was higher in 2006-2007 (Cohen's d ranging from 0.2 to 0.4, p<0.05), whereas performance in handgrip strength and standing broad jump tests was lower in 2006-2007 (Cohen's d ranging from 0.3 to 1.1, p<0.001). Adjustment for age, pubertal status, fat mass, fat free mass and parental education did not alter the results. The odds ratio (OR) of meeting the FITNESSGRAM Standards for healthy cardiorespiratory fitness was higher in 2006-2007 in both boys (OR, 95% CI: 2.123, 1.157-3.908) and girls (OR, 95% CI: 2.420, 1.377-4.255). The results indicate that levels of both speed/agility and cardiorespiratory fitness were higher in 2006-2007 than in 2001-2002, whereas muscular strength components were lower in 2006-2007.

  6. Sedentary behaviours and its association with bone mass in adolescents: the HELENA cross-sectional study

    PubMed Central

    2012-01-01

    Background We aimed to examine whether time spent on different sedentary behaviours is associated with bone mineral content (BMC) in adolescents, after controlling for relevant confounders such as lean mass and objectively measured physical activity (PA), and if so, whether extra-curricular participation in osteogenic sports could have a role in this association. Methods Participants were 359 Spanish adolescents (12.5-17.5 yr, 178 boys,) from the HELENA-CSS (2006–07). Relationships of sedentary behaviours with bone variables were analysed by linear regression. The prevalence of low BMC (at least 1SD below the mean) and time spent on sedentary behaviours according to extracurricular sport participation was analysed by Chi-square tests. Results In boys, the use of internet for non-study was negatively associated with whole body BMC after adjustment for lean mass and moderate to vigorous PA (MVPA). In girls, the time spent studying was negatively associated with femoral neck BMC. Additional adjustment for lean mass slightly reduced the negative association between time spent studying and femoral neck BMC. The additional adjustment for MVPA did not change the results at this site. The percentage of girls having low femoral neck BMC was significantly smaller in those participating in osteogenic sports (≥ 3 h/week) than in the rest, independently of the cut-off selected for the time spent studying. Conclusions The use of internet for non-study (in boys) and the time spent studying (in girls) are negatively associated with whole body and femoral neck BMC, respectively. In addition, at least 3 h/week of extra-curricular osteogenic sports may help to counteract the negative association of time spent studying on bone health in girls. PMID:23148760

  7. Superfund record of decision (EPA Region 4): Helena Chemical Company, (Tampa Plant), Hillsborough County, Tampa, FL, May 7, 1996

    SciTech Connect

    1996-06-01

    The decision document (Record of Decision), presents the selected remedial action for the Helena Chemical Company Superfund Site, Tampa, Hillsborough County, Florida. This action addresses soil, sediment, and ground water contamination at the site and calls for the implementation of response measures which will protect human health and the environment. The selected remedy includes biological treatment (i.e., bioremediation) of pesticides and other site related contaminants located in surface soil sand sediments to levels appropriate for future industrial use of the Site. In addition, the selected remedy includes ground water recovery and treatment to remove pesticides and other site related contaminants.

  8. Simulation of the genesis of Tropical Storm Gert during the NASA Tropical Cloud Systems and Processes Experiment

    NASA Astrophysics Data System (ADS)

    Braun, S. A.; Montgomery, M. T.; Mallen, K.

    2006-12-01

    A high-resolution numerical simulation of Tropical Storm Gert using the WRF model will be presented. The simulation uses multiple grids to nest down to a grid with 2-km grid spacing in order to at least partially resolve the convection. A detailed validation of the simulation using satellite and aircraft data suggests that the model appears to capture key aspects of the genesis of Gert. Initially, a wave is crossing the Yukatan Peninsula and the southern Bay of Campeche, with the center of a broad circulation located along the southern coast of the bay by July 23, 2005. By early on the 24th, the center of circulation jumps to the northwest and the system begins to intensify slowly. The model suggests that the northwestward jump in location is partly caused by blocking of northeasterly flow associated with the wave by the Sierra Madre Mountains. This blocked flow is turned southeastward along the mountain range and contributes to a background mesoscale vortex at low levels that the ensuing convection utilizes to spin up the storm. The evolution of the storm is sensitive to the parameterization used for the planetary boundary layer (PBL). When the Mellor-Yamada-Janjic (MYJ) PBL scheme is used, the simulation (described above) reproduces many aspects of the storm and predicts a track that is similar to, but somewhat faster, than observed. When the Yonsei University (YSU) PBL scheme is used, the evolution differs in several ways, most importantly in that the track of the simulated storm is shifted about 50 km northward relative to the original simulation. This shift in track is related to important differences in the distribution of precipitation (caused by the PBL schemes) that lead to changes in the low- to mid- level vorticity structure of the storm. Specifically, the YSU PBL scheme produces a larger area of stratiform precipitation. Midlevel convergence shifts the production of vorticity into this region. In contrast, with the MYJ PBL scheme, vorticity production

  9. [The study of Balantidium Helenae Bezzenberger, 1904 (Litostomatea, Trichostomatia) inhabiting the intestines of the frog Rana temporaria Linnaeus, 1758, in optical and electron microscopes].

    PubMed

    Kornilova, O A; Chistyakova, L V

    2014-01-01

    The structure of the ciliate Balantidium helenae Bezzenberger, 1904 was investigated with the use of optical and electron microscopy. It was demonstrated that, together with the basic dimensional characteristics, main distinguishing features of the studied species include the following characters: the presence of a pointed prominence on the posterior margin of the cell; the presence of elongated cilia on the left margin of the vestibulum; and different shape and size of cortical ridges. Two morphologically different types of electron-dense bodies (supposedly hydrogenosoms) and also endobiotic bacteria were also found in the cytoplasm of B. helenae.

  10. Relictual physiological ecology in the threatened land snail Codringtonia helenae: A cause for decline in a changing environment?

    NASA Astrophysics Data System (ADS)

    Giokas, Sinos; Karkoulis, Panayiotis; Pafilis, Panayiotis; Valakos, Efstratios

    2007-11-01

    Land snails often exhibit intra-annual cycles of activity interspersed by periods of dormancy (hibernation/aestivation), accompanied by a range of behavioural and physiological adaptations to ensure their survival under adverse environmental conditions. These adaptations are useful to understand species-specific habitat requirements and to predict their response to environmental changes. We examined the seasonal physiological and biochemical composition patterns of the threatened land snail Codringtonia helenae, endemic to Greece, in relation to its behavioural ecology and climatic conditions. Fuel reserves (glycogen, lipids, proteins) and water were accumulated prior to aestivation, but subsequently were rapidly depleted. LDH exhibited substantial rise during aestivation, suggesting that anaerobic pathways may provide additional energy. The major outcome of our study was the unambiguous discrimination of the four life-cycle periods. Most remarkable was the clear distinction of the aestivation period, with hibernation, the other dormancy period, showing similarity with the two active periods but not with aestivation. We observed disassociation between behavioural and physiological responses and climatic conditions. The physiological responses of C. helenae were effective during hibernation, but only partly compensate the effect of adverse conditions during aestivation, since its aestivating behaviour is occasional and time limited. Perhaps, the behavioural ecology of Codringtonia is relictual and shaped during past environmental conditions. This constitutes an important extinction threat considering the current climatic trends and the deterioration of the habitat of that species due to human activities.

  11. [Egg intake and cardiovascular risk factors in adolescents: role of physical activity; the HELENA study].

    PubMed

    Soriano-Maldonado, A; Cuenca-García, M; Moreno, L A; González-Gross, M; Leclercq, C; Androutsos, O; Guerra-Hernández, E J; Castillo, M J; Ruiz, J R

    2013-01-01

    Introducción: Las enfermedades cardiovasculares (ECVs) suponen la principal causa de morbi-mortalidad en los países occidentales. El incremento del colesterol plasmático se ha relacionado con el desarrollo de ECV. El huevo, por su alto contenido en colesterol, ha sido indirectamente relacionado con el riesgo de desarrollar ECVs. Objetivo: Examinar la asociación entre ingesta de huevo y factores de riesgo cardiovascular en adolescentes, estudiando si dicha relación está influenciada por la actividad física. Método: Se estudiaron 380 adolescentes pertenecientes al estudio HELENA (HEalthy Lifestyle in Europe by Nutrition in Adolescence). La ingesta de alimentos se estimó mediante anamnesis nutricional de dos días no consecutivos. Se midieron indicadores de adiposidad, perfil lipídico, glucosa, insulina, resistencia a la insulina, tensión arterial y capacidad aeróbica. Se calculó un índice integrado de riesgo cardiovascular (IRCV) como medida del perfil cardiovascular global. La actividad física se midió mediante acelerometría. Se examinó el desarrollo madurativo. El estatus socioeconómico y consumo de tabaco se obtuvieron mediante cuestionario. La asociación entre ingesta de huevo y factores de riesgo de ECV se examinó mediante un modelo de regresión multinivel ajustado por factores de confusión. Resultados: La ingesta de huevo no se asoció con perfil lipídico, nivel de adiposidad, tensión arterial, resistencia a la insulina, capacidad aeróbica o IRCV (todos P > 0,05). Esta falta de asociación no estuvo influenciada por el nivel de actividad física. Conclusiones: Estos resultados sugieren que no existe asociación entre ingesta de huevo y perfil lipídico, adiposidad, resistencia a la insulina, tensión arterial, capacidad aeróbica o el IRCV en adolescentes. La actividad física no influencia dicha falta de asociación.

  12. Treatment of primary glioblastoma multiforme with cetuximab, radiotherapy and temozolomide (GERT) – phase I/II trial: study protocol

    PubMed Central

    Combs, Stephanie E; Heeger, Steffen; Haselmann, Renate; Edler, Lutz; Debus, Jürgen; Schulz-Ertner, Daniela

    2006-01-01

    Background The implementation of combined radiochemotherapy (RCHT) with temozolomide (TMZ) has lead to a significant increase in overall survival times in patients with Glioblastoma multiforme (GBM), however, outcome still remains unsatisfactory. The majority of GBMs show an overexpression and/or amplification of the epidermal growth factor receptor (EGFR). Therefore, addition of EGFR-inhibition with cetuximab to the current standard treatment approach with radiotherapy and TMZ seems promising. Methods/design GERT is a one-armed single-center phase I/II trial. In a first step, dose-escalation of TMZ from 50 mg/m2 to 75 mg/m2 together with radiotherapy and cetuximab will be performed. Should safety be proven, the phase II trial will be initiated with the standard dose of 75 mg/m2 of TMZ. Cetuximab will be applied in the standard application dose of 400 mg/m2 in week 1, thereafter at a dose of 250 mg/m2 weekly. A total of 46 patients will be included into this phase I/II trial. Primary endpoints are feasibility and toxicity, secondary endpoints are overall and progression-free survival. An interim analysis will be performed after inclusion of 15 patients into the main study. Patients' enrolment will be performed over a period of 2 years. The observation time will end 2 years after inclusion of the last patient. Discussion The goal of this study is to evaluate the safety and efficacy of combined RCHT-immunotherapy with TMZ and cetuximab as first-line treatment for patients with primary GBM. PMID:16709245

  13. Preliminary assessment report for Fort William Henry Harrison, Montana Army National Guard, Helena, Montana. Installation Restoration Program

    SciTech Connect

    DuWaldt, J.; Meyer, T.

    1993-07-01

    This report presents the results of the preliminary assessment (PA) conducted by Argonne National Laboratory at a Montana Army National Guard (MTARNG) property near Helena, Montana. Preliminary assessments of federal facilities are being conducted to compile the information necessary for completing preremedial activities and to provide a basis for establishing corrective actions in response to releases of hazardous substances. The principal objective of the PA is to characterize the site accurately and determine the need for further action by examining site activities, quantities of hazardous substances present, and potential pathways by which contamination could affect public health and the environment. This PA satisfies, for the Fort William Henry Harrison property, requirements of the Department of Defense Installation Restoration Program.

  14. Simulation and Interpretation of the Genesis of Tropical Storm Gert (2005) as Part of the NASA Tropical Cloud Systems and Processes Experiment

    NASA Technical Reports Server (NTRS)

    Braun, Scott A.; Montgomery, Michael T.; Mallen, Kevin

    2009-01-01

    Several hypotheses have been put forward for the how tropical cyclones (tropical storms and hurricanes in the Atlantic) first develop circulation at the surface, a key event that needs to occur before a storm can begin to draw energy from the warm ocean. One hypothesis suggests that the surface circulation forms from a "top-down" approach in which a storm s rotating circulation begins at middle levels of the atmosphere and builds down to the surface through processes related to light "stratiform" (horizontally extensive) precipitation. Another hypothesis suggests a bottom-up approach in which deep thunderstorm towers (convection) play the major role in spinning up the flow at the surface. These "hot towers" form in the area of the mid-level circulation and strongly concentrate this rotation at low levels within their updrafts. Merger of several of these hot towers then intensifies the surface circulation to the point in which a storm forms. This paper examines computer simulations of Tropical Storm Gert (2005), which formed in the Gulf of Mexico during the National Aeronautics and Space Administration s (NASA) Tropical Cloud Systems and Processes (TCSP) Experiment, to investigate the development of low-level circulation and, in particular, whether stratiform or hot tower processes were responsible for the storm s formation. Data from NASA satellites and from aircraft were used to show that the model did a good job of reproducing the formation and evolution of Gert. The simulation shows that a mix of both stratiform and convective rainfall occurred within Gert. While the stratiform rainfall clearly acted to increase rotation at middle levels, the diverging outflow beneath the stratiform rain worked against spinning up the low-level winds. The hot towers appeared to dominate the low-level flow, producing intense rotation within their cores and often being associated with significant pressure falls at the surface. Over time, many of these hot towers merged, with each

  15. Influence of parental socio-economic status on diet quality of European adolescents: results from the HELENA study.

    PubMed

    Béghin, L; Dauchet, L; De Vriendt, Tineke; Cuenca-García, M; Manios, Y; Toti, E; Plada, M; Widhalm, K; Repasy, J; Huybrechts, I; Kersting, M; Moreno, L A; Dallongeville, J

    2014-04-14

    Diet quality is influenced by socio-economic and geographical factors. The present study sought to assess whether adolescents' diet quality is affected by their parents' socio-economic status and whether the relationship between these factors is similar in northern and southern Europe. Data collected in the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) study in eight European countries were analysed. Dietary intake data were recorded via repeated 24 h recalls (using specifically developed HELENA Dietary Intake Assessment Tool software) and converted into an adolescent-specific Diet Quality Index (DQI-AM). Socio-economic status was estimated through parental educational level (Par-Educ-Lev) and parental occupation level (Par-Occ-Lev) as reported by the adolescents in a specific questionnaire. The DQI-AM data were then analysed as a function of Par-Educ-Lev and Par-Occ-Lev in northern European countries (Austria, Belgium, France, Germany and Sweden) and southern European countries (Greece, Italy and Spain). We studied a total of 1768 adolescents (age 14.7 (SD 1.3) years; percentage of girls: 52.8%; 1135 and 633 subjects from northern and southern Europe, respectively). On average, the DQI-AM score was higher in southern Europe than in northern Europe (69.1 (SD 0.1) v. 60.4 (SD 2.8), respectively; P < 0.001; Δ = 12.6%). The DQI was positively correlated with both paternal and maternal Par-Educ-Lev. However, this association was more pronounced in northern Europe than in southern Europe (P interaction = 0.004 for the mother and 0.06 for the father). The DQI was also positively correlated with Par-Occ-Lev (all P trends < 0.01), but this correlation was independent of the geographical area (P interaction = 0.51 for the mother and 0.50 for the father). In conclusion, Par-Educ-Lev and Par-Occ-Lev are associated with diet quality in adolescents in Europe. However, this association differs between northern Europe and southern Europe.

  16. Impact of physical activity and cardiovascular fitness on total homocysteine concentrations in European adolescents: The HELENA study.

    PubMed

    Benser, Jasmin; Valtueña, Jara; Ruiz, Jonatan R; Mielgo-Ayuso, Juan; Breidenassel, Christina; Vicente-Rodriguez, German; Ferrari, Marika; Widhalm, Kurt; Manios, Yannis; Sjöström, Michael; Molnar, Denes; Gómez-Martínez, Sonia; Kafatos, Antony; Palacios, Gonzalo; Moreno, Luis A; Castillo, Manuel J; Stehle, Peter; González-Gross, Marcela

    2015-01-01

    We examined the association of physical activity (PA), cardiovascular fitness (CVF) and fatness with total homocysteine (tHcy) concentrations in European adolescents. The present study comprised 713 European adolescents aged 14.8 ± 1.2 y (females 55.3%) from the multicenter HELENA cross-sectional study. PA was assessed through accelerometry, CVF by the 20-m shuttle run test, and body fat by skinfold thicknesses with the Slaughter equation. Plasma folate, cobalamin, and tHcy concentrations were measured. To examine the association of tHcy with PA, CVF, and fatness after controlling for a set of confounders including age, maturity, folate, cobalamin, creatinine, smoking, supplement use, and methylenetetrahydrofolate reductase 677 genotype (CC 47%, CT 43%, TT 10%), bivariate correlations followed by multiple regression models were performed. In the bivariate correlation analysis, tHcy concentrations were slightly negatively correlated (p<0.05) with CVF in females (measured both by stages: r=-0.118 and by VO2max: r=-0.102) and positively with body mass index (r=0.100). However, daily time spent with moderate and vigorous PA showed a weak positive association with tHcy in females (p<0.05). tHcy concentrations showed a tendency to decrease with increasing CVF and increase with increasing BMI in female European adolescents. However, tHcy concentrations were positively associated with moderate and vigorous PA in female European adolescents.

  17. The lower Tuscaloosa Formation (upper cretaceous) in the Greensburg and Joseph Branch Field Areas, St. Helena Parish, Louisiana

    SciTech Connect

    Corcoran, M.K. ); Cameron, C.P.; Meylan, M.A. )

    1993-09-01

    Detailed examination of five conventional cores and geophysical well logs in the Greensburg and Joseph Branch field areas of St. Helena Parish, Louisiana, were used to determine the geology of the First Tuscaloosa sand (an informal term for the objective sandstone in this part of the Lower Tuscaloosa production trend). Greensburg and Joseph Branch fields occur in the intermediate-depth part of the productive trend at an average depth of about 13,000 ft in an area of limited low-relief structural nosing. Neither anticlinal closures greater than 20 ft nor faults were recognized by structure contour mapping. Based on the updip and lateral shaling-out of the First Tuscaloosa Sand in the field areas, and the absence of structure, these fields are deemed stratigraphic traps. The First Tuscaloosa Sand probably was deposited as a distributary channel that flowed in the subaerial lowland part of a delta. Intense bioturbation of sand tops, unidirectional trough cross-bedding, and flaser structures were recognized in the core, indicating that this part of the overall deltaic environment was influenced or reworked by primarily sublitharenite, with scattered quartzarenite intervals. The reservoir facies was extensively modified by diagenesis. Initial (primary) porosity was reduced by compaction and later by formation of quartz overgrowths. Secondary porosity, developed as a result of the dissolution of unstable grains and late-stage carbonate cements, can range up to 25%.

  18. Erosion under extreme climatic events in tropical climates : the case of the storm Helena (1963) in the Guadeloupe island (Lesser Antilles Arc)

    NASA Astrophysics Data System (ADS)

    Allemand, P.; Lajeunesse, E.; Devauchelle, O.; Delacourt, C.

    2012-04-01

    he volume of sediment exported from a tropical watershed is dramatically increased during extreme climatic events, such as storms and tropical cyclones (Dadson et al. 2004; Hilton et al. 2008). Indeed, the exceptionally high rainfall rates reached during these events generate runoff and trigger landslides which accumulate a significant amount of sediments in flooded rivers (Gabet et al., 2004; Lin et al., 2008). We estimate the volume of sediments mobilized by the storm Helena (26 to 28 October 1963) on Basse-Terre Island in the archipelago of Guadeloupe. This is achieved using images acquired by IGN (Institut Géographique National) a few weeks after the storm which produced numerous landslides. All the available images from this campaign have been pseudo-orthorectified and included in a GIS with a Digital Elevation Model with a resolution of 10 m. Two hundred fifty three landslides have been identified and mapped. Most of them are located in the center of the island, where the highest slopes are. The cumulated surface of the landslides is 0.5 km2. Field observations on Basse-Terre show that landslides mobilized the whole regolith layer, which is about 1m thick. Assuming an average landslide thickness of 1m, we find that the total volume of sediment mobilized by the storm Helena is 0.5 km3. The associated denudation averaged over all watersheds affected by landslides is 1.4 mm with a maximum of 5 mm for the watersheds of Vieux-Habitants and Capesterre. The impact of the storm Helena is then discussed with respect to 1) the erosion induced on the Capesterre catchment by the highest flood available in a two years survey record (less than 0.1 mm/y); 2) the long term denudation rate of the major watersheds of Basse-Terre estimated by reconstructing the initial volcanic topography (between 0.1 and 0.4 mm/y).

  19. The effects of intermittent calorie restriction on metabolic health: Rationale and study design of the HELENA Trial.

    PubMed

    Schübel, Ruth; Graf, Mirja E; Nattenmüller, Johanna; Nabers, Diana; Sookthai, Disorn; Gruner, Laura F; Johnson, Theron; Schlett, Christopher L; von Stackelberg, Oyunbileg; Kirsten, Romy; Habermann, Nina; Kratz, Mario; Kauczor, Hans-Ulrich; Ulrich, Cornelia M; Kaaks, Rudolf; Kühn, Tilman

    2016-11-01

    Mechanistic studies suggest benefits of intermittent calorie restriction (ICR) in chronic disease prevention that may exceed those of continuous calorie restriction (CCR), even at equal net calorie intake. Despite promising results from first trials, it remains largely unknown whether ICR-induced metabolic alterations reported from experimental studies can also be observed in humans, and whether ICR diets are practicable and effective in real life situations. Thus, we initiated the HELENA Trial to test the effects of ICR (eu-caloric diet on five days and very low energy intake on two days per week) on metabolic parameters and body composition over one year. We will assess the effectiveness of ICR compared to CCR and a control diet over a 12-week intervention, 12-week maintenance phase and 24-week follow-up in 150 overweight or obese non-smoking adults (50 per group, 50% women). Our primary endpoint is the difference between ICR and CCR with respect to fold-changes in expression levels of 82 candidate genes in abdominal subcutaneous adipose tissue biopsies (SATb) during the intervention phase. The candidate genes represent pathways, which may link obesity-related metabolic alterations with the risk for major chronic diseases. In secondary and exploratory analyses, changes in metabolic, hormonal, inflammatory and metagenomic parameters measured in different biospecimens (SATb, blood, urine, stool) are investigated and effects of ICR/CCR/control on imaging-based measures of subcutaneous, visceral and hepatic fat are evaluated. Our study is the first randomized trial over one year testing the effects of ICR on metabolism, body composition and psychosocial factors in humans.

  20. Nutrition and lifestyle in european adolescents: the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study.

    PubMed

    Moreno, Luis A; Gottrand, Frédéric; Huybrechts, Inge; Ruiz, Jonatan R; González-Gross, Marcela; DeHenauw, Stefaan

    2014-09-01

    Adolescence is a critical period, because major physical and psychologic changes occur during a very short period of time. Changes in dietary habits may induce different types of nutritional disorders and are likely to track into adulthood. The aim of this review is to describe the key findings related to nutritional status in European adolescents participating in the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study. We performed a cross-sectional study in 3528 (1845 females) adolescents aged 12.5–17.5 y. Birth weight was negatively associated with abdominal fat mass in adolescents and serum leptin concentrations (in female adolescents), providing additional evidence for a programming effect of birth weight on energy homeostasis control. Breakfast consumption was associated with lower body fat content and healthier cardiovascular profile. Adolescents eat half of the recommended amount of fruit and vegetables and less than two-thirds of the recommended amount of milk and milk products but consume more meat and meat products, fats, and sweets than recommended. For beverage consumption, sugar-sweetened beverages, sweetened milk, low-fat milk, and fruit juice provided the highest amount of energy. Although the intakes of saturated fatty acids (FAs) and salt were high, the intake of polyunsaturated FAs was low. Adolescents spent, on average, 9 h/d of their waking time (66–71% and 70–73% of the registered time in boys and girls, respectively) in sedentary activities. Factors associated with adolescents’ sedentary behavior included the following: 1) age; 2) media availability in the bedroom; 3) sleeping time; 4) breakfast consumption; and 5) season. Sedentary time was also associated with cardiovascular risk factors and bone mineral content. In European adolescents, deficient concentrations were identified for plasma folate (15%), vitamin D (15%), pyridoxal 5′-phosphate (5%), β-carotene (25%), and vitamin E (5%). Scientists and public

  1. Reliability and validity of the Adolescent Stress Questionnaire in a sample of European adolescents - the HELENA study

    PubMed Central

    2011-01-01

    Background Since stress is hypothesized to play a role in the etiology of obesity during adolescence, research on associations between adolescent stress and obesity-related parameters and behaviours is essential. Due to lack of a well-established recent stress checklist for use in European adolescents, the study investigated the reliability and validity of the Adolescent Stress Questionnaire (ASQ) for assessing perceived stress in European adolescents. Methods The ASQ was translated into the languages of the participating cities (Ghent, Stockholm, Vienna, Zaragoza, Pecs and Athens) and was implemented within the HELENA cross-sectional study. A total of 1140 European adolescents provided a valid ASQ, comprising 10 component scales, used for internal reliability (Cronbach α) and construct validity (confirmatory factor analysis or CFA). Contributions of socio-demographic (gender, age, pubertal stage, socio-economic status) characteristics to the ASQ score variances were investigated. Two-hundred adolescents also provided valid saliva samples for cortisol analysis to compare with the ASQ scores (criterion validity). Test-retest reliability was investigated using two ASQ assessments from 37 adolescents. Results Cronbach α-values of the ASQ scales (0.57 to 0.88) demonstrated a moderate internal reliability of the ASQ, and intraclass correlation coefficients (0.45 to 0.84) established an insufficient test-retest reliability of the ASQ. The adolescents' gender (girls had higher stress scores than boys) and pubertal stage (those in a post-pubertal development had higher stress scores than others) significantly contributed to the variance in ASQ scores, while their age and socio-economic status did not. CFA results showed that the original scale construct fitted moderately with the data in our European adolescent population. Only in boys, four out of 10 ASQ scale scores were a significant positive predictor for baseline wake-up salivary cortisol, suggesting a rather poor

  2. Nutrition and Lifestyle in European Adolescents: The HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) Study123

    PubMed Central

    Moreno, Luis A.; Gottrand, Frédéric; Huybrechts, Inge; Ruiz, Jonatan R.; González-Gross, Marcela; DeHenauw, Stefaan

    2014-01-01

    Adolescence is a critical period, because major physical and psychologic changes occur during a very short period of time. Changes in dietary habits may induce different types of nutritional disorders and are likely to track into adulthood. The aim of this review is to describe the key findings related to nutritional status in European adolescents participating in the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study. We performed a cross-sectional study in 3528 (1845 females) adolescents aged 12.5–17.5 y. Birth weight was negatively associated with abdominal fat mass in adolescents and serum leptin concentrations (in female adolescents), providing additional evidence for a programming effect of birth weight on energy homeostasis control. Breakfast consumption was associated with lower body fat content and healthier cardiovascular profile. Adolescents eat half of the recommended amount of fruit and vegetables and less than two-thirds of the recommended amount of milk and milk products but consume more meat and meat products, fats, and sweets than recommended. For beverage consumption, sugar-sweetened beverages, sweetened milk, low-fat milk, and fruit juice provided the highest amount of energy. Although the intakes of saturated fatty acids (FAs) and salt were high, the intake of polyunsaturated FAs was low. Adolescents spent, on average, 9 h/d of their waking time (66–71% and 70–73% of the registered time in boys and girls, respectively) in sedentary activities. Factors associated with adolescents’ sedentary behavior included the following: 1) age; 2) media availability in the bedroom; 3) sleeping time; 4) breakfast consumption; and 5) season. Sedentary time was also associated with cardiovascular risk factors and bone mineral content. In European adolescents, deficient concentrations were identified for plasma folate (15%), vitamin D (15%), pyridoxal 5′-phosphate (5%), β-carotene (25%), and vitamin E (5%). Scientists and public

  3. Late Mesozoic and possible early Tertiary accretion in western Washington State: the Helena-Haystack melange and the Darrington- Devils Mountain fault zone

    USGS Publications Warehouse

    Tabor, R.W.

    1994-01-01

    The Helena-Haystack melange (HH melange) and coincident Darrington-Devils Mountain fault zone (DDMFZ) in northwestern Washington separate two terranes, the northwest Cascade System (NWCS) and the western and eastern melange belts (WEMB). The two terranes of Paleozoic and Mesozoic rocks superficially resemble each other but record considerable differences in structural and metamorphic history. The HH melange is a serpentinite-matrix melange containing blocks of adjacent terranes but also exotic blocks. The HH melange must have formed between early Cretaceous and late middle Eocene time, because it contains tectonic clasts of early Cretaceous Shuksan Greenschist and is overlain by late middle Eocene sedimentary and volcanic rocks. The possible continuation of the DDMFZ to the northwest as the San Juan and the West Coast faults on Vancouver Island suggests that the structure has had a major role in the emplacement of all the westernmost terranes in the Pacific Northwest. -from Author

  4. Hydrology of the Helena area bedrock, west-central Montana, 1993-98; with a section on geologic setting and a generalized bedrock geologic map

    USGS Publications Warehouse

    Thamke, Joanna N.; Reynolds, Mitchell W.

    2000-01-01

    The Generalized Bedrock Geologic Map of the Helena Area, West-Central Montana (plate 1 in the report) provides an intermediate-scale overview of bedrock in the Helena area. The geologic map has been compiled at a scale of 1:100,000 from the most widely available sources of geologic map information (see index to geologic mapping on pl. 1). That information has been updated by M.W. Reynolds for this report with more recent geologic mapping and field revision of published maps. All well locations and all bedrock units penetrated during drilling have been confirmed on geologic maps at the largest scale available. Source geologic maps are all at scales larger than 1:100,000 scale. Care has been taken to ensure accurate representation of the original geology at the compilation scale. However, positional accuracy of some features might be somewhat diminished at the smaller scale of the base map when compared with the original data source. Also, line thicknesses for contacts and faults necessarily assume a greater width, relative to the real geologic feature, at the scale of the generalized map than on any original map. The map is not intended for large-scale, site-specific detailed planning. Bedrock units throughout the Helena area are generally covered by young surficial deposits such as alluvium, colluvium, glacial debris, or windblown sediment. Thickness of such deposits varies from veneers through which the underlying bedrock is clearly discernible to major thicknesses that conceal all underlying bedrock and structure. Boundaries of major accumulations of surficial deposits are attributed separately from bedrock contacts. These boundaries should not be considered precise at the map scale or at larger scales. Boundaries shown may be less accurate positionally than bedrock contacts and faults because (1) surficial deposits commonly thin to a knife edge; (2) different mappers will interpret the edge differently when drawing a boundary; or (3) the original geologic map

  5. Breakfast habits and factors influencing food choices at breakfast in relation to socio-demographic and family factors among European adolescents. The HELENA Study.

    PubMed

    Hallström, Lena; Vereecken, Carine A; Ruiz, Jonatan R; Patterson, Emma; Gilbert, Chantal C; Catasta, Giovina; Díaz, Ligia-Esperanza; Gómez-Martínez, Sonia; González Gross, Marcela; Gottrand, Frédéric; Hegyi, Adrienn; Lehoux, Claire; Mouratidou, Theodora; Widham, Kurt; Aström, Annika; Moreno, Luis A; Sjöström, Michael

    2011-06-01

    Breakfast consumption has been shown to be an important indicator of a healthy lifestyle. Little is known however about factors influencing breakfast consumption and food choices at breakfast in adolescents. The aim of the present study was therefore to describe breakfast habits, and factors influencing food choices at breakfast within the framework of the EU-funded HELENA Study, in 3528 adolescents from ten European cities. Additionally, socio-demographic differences in breakfast habits and in influencing factors were investigated. Half of the adolescents (and fewer girls than boys) indicated being regular breakfast consumers. Girls with mothers with a high level of education, boys from 'traditional' families and boys who perceived low family affluence were positively associated with breakfast consumption. Boys whose parents gave encouragement and girls whose peers ate healthily were more likely to be regular breakfast consumers. 'Hunger', 'taste', 'health concerns' and 'parents or guardian' were the most important influences on the adolescents' food choices at breakfast. Adolescents from southern Europe and girls reported to be more influenced by personal and socio-environmental factors. Socio-demographic differences, in particular regional and gender differences, need to be considered in discussions surrounding the development of nutritional intervention programs intended for adolescents.

  6. Elements concentration analysis in groundwater from the North Serra Geral aquifer in Santa Helena-Brazil using SR-TXRF spectrometer.

    PubMed

    Justen, Gisele C; Espinoza-Quiñones, Fernando R; Módenes, Aparecido Nivaldo; Bergamasco, Rosangela

    2012-01-01

    In this work the analysis of elements concentration in groundwater was performed using the synchrotron radiation total-reflection X-ray fluorescence (SR-TXRF) technique. A set of nine tube-wells with serious risk of contamination was chosen to monitor the mean concentration of elements in groundwater from the North Serra Geral aquifer in Santa Helena, Brazil, during 1 year. Element concentrations were determined applying a SR-TXRF methodology. The accuracy of SR-TXRF technique was validated by analysis of a certified reference material. As the groundwater composition in the North Serra Geral aquifer showed heterogeneity in the spatial distribution of eight major elements, a hierarchical clustering to the data was performed. By a similarity in their compositions, two of the nine wells were grouped in a first cluster, while the other seven were grouped in a second cluster. Calcium was the major element in all wells, with higher Ca concentration in the second cluster than in the first cluster. However, concentrations of Ti, V, Cr in the first cluster are slightly higher than those in the second cluster. The findings of this study within a monitoring program of tube-wells could provide a useful assessment of controls over groundwater composition and support management at regional level.

  7. Lunch at school, at home or elsewhere. Where do adolescents usually get it and what do they eat? Results of the HELENA Study.

    PubMed

    Müller, Katrin; Libuda, Lars; Diethelm, Katharina; Huybrechts, Inge; Moreno, Luis A; Manios, Yannis; Mistura, Lorenza; Dallongeville, Jean; Kafatos, Anthony; González-Gross, Marcela; Cuenca-García, Magdalena; Sjöström, Michael; Hallström, Lena; Widhalm, Kurt; Kersting, Mathilde

    2013-12-01

    Considering the lack of uniformity regarding school meals in Europe, information on adolescents' school lunch patterns is of public health importance. Thus, the aim of this analysis was to describe and evaluate lunchtime energy and food intake of European adolescents at different lunch locations. Data on nutritional and health-related parameters were derived from the HEalthy Lifestyle in Europe by Nutrition in Adolescence Cross-Sectional Study (HELENA-CSS). A sub-sample of 891 adolescents (47% male) with plausible data on total and lunchtime energy intake (2 × 24 h recall) as well as usual lunch location was considered. Food intake was compared to lunch of the Optimized Mixed Diet (OMD) for children and adolescents. Although energy intake was nearly in line with the recommendations, food intake was suboptimal compared to the OMD regardless of usual lunch location. Adolescents had more potatoes and less sweets at school, and more drinks (water, coffee and tea) and vegetables at home when each compared with the other locations. Food intake of adolescents getting their lunch elsewhere was characterized by the smallest amounts of potatoes and the highest amounts of sweets. Although lunch patterns may differ among countries, schools in Europe do not seem to reveal all their potential to offer access to a healthy lunch for adolescents yet.

  8. Leptin, vitamin D, and cardiorespiratory fitness as risk factors for insulin resistance in European adolescents: gender differences in the HELENA Study.

    PubMed

    Jiménez-Pavón, David; Sesé, María A; Valtueña, Jara; Cuenca-García, Magdalena; González-Gross, Marcela; Gottrand, Frederic; Kafatos, Anthony; Manios, Yannis; Widhalm, Kurt; de Henauw, Stefaan; Polito, Angela; Pérez-López, Faustino R; Moreno, Luis A

    2014-05-01

    The purpose of this study was to identify the relevance of a set of risk factors for insulin resistance in adolescents from Europe and to consider their possible gender-specific associations. The Healthy Lifestyle in Europe by Nutrition in Adolescence Cross-Sectional Study (HELENA-CSS) was conducted in 1053 European adolescents (mean age, 14.9 years) in a school setting in 9 countries. Three anthropometric markers of body fat and a dietary index were calculated. Total energy intake was estimated from a questionnaire. C-reactive protein, leptin, and vitamin D were assessed, and physical activity, cardiorespiratory fitness, and muscular strength were measured. Center, socioeconomic status, pubertal status, and season were used as potential confounders. The main outcome was the homeostasis model assessment used as a marker of insulin resistance. Correlations, analyses of covariance, and logistic regression models were used. In males, leptin was the only risk factor for insulin resistance after adjusting for confounders including markers of body fat (odds ratios (ORs) from 1.49 to 1.60). In females, leptin, vitamin D, and fitness were the remaining independent risk factors for insulin resistance after adjustments (OR 2.11; 95% confidential interval (CI) 1.29-3.45; OR 0.50, 95% CI 0.31-0.80; and OR 0.54, 95% CI 0.33-0.87, respectively). Our observations suggest a gender dimorphism in the identification of risk factors for high insulin resistance. Preventive strategies should focus on improving modifiable factors such as cardiorespiratory fitness and on ensuring vitamin D sufficiency. Randomized controlled trials focusing on these strategies are necessary to test their efficacy.

  9. Feasibility Study of Biopower in East Helena, Montana. A Study Prepared in Partnership with the Environmental Protection Agency for the RE-Powering America's Land Initiative: Siting Renewable Energy on Potentially Contaminated Land and Mine Sites

    SciTech Connect

    Moriarty, K.

    2013-02-01

    The U.S. Environmental Protection Agency (EPA) developed the RE-Powering America's Land initiative to reuse contaminated sites for renewable energy generation when aligned with the community's vision for the site. The former American Smelting and Refining Company (Asarco) smelter in East Helena, Montana, was selected for a feasibility study under the initiative. Biomass was chosen as the renewable energy resource based on the wood products industry in the area. Biopower was selected as the technology based on Montana's renewable portfolio standard (RPS) requiring utilities to purchase renewable power.

  10. Geologic setting, sedimentary architecture, and paragenesis of the Mesoproterozoic sediment-hosted Sheep Creek Cu-Co-Ag deposit, Helena embayment, Montana

    USGS Publications Warehouse

    Graham, Garth; Hitzman, Murray W.; Zieg, Jerry

    2012-01-01

    The northern margin of the Helena Embayment contains extensive syngenetic to diagenetic massive pyrite horizons that extend over 25 km along the Volcano Valley-Buttress fault zone and extend up to 8 km basinward (south) within the Mesoproterozoic Newland Formation. The Sheep Creek Cu-Co deposit occurs within a structural block along a bend in the fault system, where replacement-style chalcopyrite mineralization is spatially associated mostly with the two stratigraphically lowest massive pyrite zones. These mineralized pyritic horizons are intercalated with debris flows derived from synsedimentary movement along the Volcano Valley-Buttress fault zone. Cominco American Inc. delineated a geologic resource of 4.5 Mt at 2.5% Cu and 0.1% Co in the upper sulfide zone and 4 Mt at 4% Cu within the lower sulfide zone. More recently, Tintina Resources Inc. has delineated an inferred resource of 8.48 Mt at 2.96% Cu, 0.12% Co, and 16.4 g/t Ag in the upper sulfide zone. The more intact upper sulfide zone displays significant thickness variations along strike thought to represent formation in at least three separate subbasins. The largest accumulation of mineralized sulfide in the upper zone occurs as an N-S–trending body that thickens southward from the generally E trending Volcano Valley Fault and probably occupies a paleograben controlled by normal faults in the hanging wall of the Volcano Valley Fault. Early microcrystalline to framboidal pyrite was accompanied by abundant and local barite deposition in the upper and lower sulfide zones, respectively. The sulfide bodies underwent intense (lower sulfide zone) to localized (upper sulfide zone) recrystallization and overprinting by coarser-grained pyrite and minor marcasite that is intergrown with and replaces dolomite. Silicification and paragenetically late chalcopyrite, along with minor tennantite in the upper sulfide zone, replaces fine-grained pyrite, barite, and carbonate. The restriction of chalcopyrite to inferred

  11. Oceanography, bathymetry and syndepositional tectonics of a Precambrian intracratonic basin: integrating sediments, storms, earthquakes and tsunamis in the Belt Supergroup (Helena Formation, ca. 1.45 Ga), western North America

    NASA Astrophysics Data System (ADS)

    Pratt, Brian R.

    2001-06-01

    The carbonate-dominated Helena Formation of the Mesoproterozoic Belt Supergroup of western North America provides an instructive example of how a range of regional depositional and environmental characteristics of an ancient sea can be deduced on the basis of micron- to metre-scale features. Particularly revealing is the window opened by the presence of abundant molar-tooth structure onto the paleoceanography, paleobathymetry, paleoclimate and tectonic regime of this intracratonic Precambrian basin. The facies hosting molar-tooth structure is composed dominantly of lime mud with substantial subangular quartz and feldspar silt and clay derived from the western and southwestern side of the basin. These are low-energy tempestites deposited on a remarkably flat sea bottom at the limit of storm-wave base, at about 50 m. Sporadic domical, stromatolite patch reefs confirm that the sea bottom was normally within the photic zone. The ubiquity of molar-tooth structure suggests frequent, near-field seismic activity during subsidence, which generated ground motion sufficient to liquefy granular lime mud and terrigenous silt. Sporadic tsunamis from major submarine faults far to the west pounded the shallow-water platform to the east. Tsunami off-surge swept ooids and rounded, coarse-grained, feldspathic quartz sand westward into deeper water, and created strongly erosive currents that left gutter casts composed of lags of preferentially cemented molar-tooth structure in otherwise relatively low-energy facies. Mineralogical and geochemical evidence, confirms that the Belt basin was marine. Organic matter was essentially fully oxidized in the water column. Original high-Mg composition and cementation of lime mud in molar-tooth structure indicate that calcite precipitated above the thermocline in supersaturated seawater under tropical conditions. Scattered bimineralic ooids in allochthonous grainstones indicate that shoals on the platform to the east were intermittently above a

  12. 27 CFR 9.149 - St. Helena.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ..., edition of 1958, photorevised 1980; (3) Rutherford Quadrangle, California, edition of 1951, photorevised... the State of California. The boundary is as follows: (1) Beginning on the Rutherford Quadrangle map at... southeast corner of Section 33, T8N, R5W, on the Rutherford Quadrangle map; (16) Thence in a...

  13. 27 CFR 9.149 - St. Helena.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ..., edition of 1958, photorevised 1980; (3) Rutherford Quadrangle, California, edition of 1951, photorevised... the State of California. The boundary is as follows: (1) Beginning on the Rutherford Quadrangle map at... southeast corner of Section 33, T8N, R5W, on the Rutherford Quadrangle map; (16) Thence in a...

  14. 27 CFR 9.149 - St. Helena.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 500 foot contour line in Section 7, Township 7 North (T7N), Range 5 West (R5W); (4) Thence along the 500 foot contour line in a generally northwesterly direction through Sections 7, 1 and 2, to its... feet to its intersection with the 400 foot contour line; (7) Thence along the 400 foot contour line...

  15. Q-GERT Model of the Contracting Cycle.

    DTIC Science & Technology

    1983-09-01

    ATT(64). PN.CT(28)9 START9 RATIO REAL BUROA% BURDS INTEGER STEP* PfTYPE. K, M, AS:IGN C TOTX() =CO!APLET!ON TrP FOR CONTRACTS C :T’jf= NLM8BER CF...T BuYE; .4C BUYEFF SERv:CE 7:ME- AT’ (4 2 2.0 ’ TCr C *.*F~M BUYEc T, CLERK ATT (12)=1 C CLERkK SERVICE T’. F A Tr(44) io0* TRp (375) C FR..’FFm CLERK...34 FR’ T’ AFFIC TZ BUYER 272 ATT( 0)=l C B UYE . SERV:CE TIFPE ATT C42 ) 2.’,C* TP(:564) C *’*’ F BQYER TO CLEFK ATT (12)=1 C C L r-NK SCRV’,CE TIM~E A

  16. 75 FR 1748 - Helena National Forest, Montana, Stonewall Vegetation Project

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-01-13

    ... susceptible to insect and wildfire mortality (Douglas-fir and lodgepole pine). In addition, a large-scale... this project area has become a more uniform dense forest susceptible to insect and wildfire mortality... landscape so that it is diverse, resilient, and sustainable to wildfire and insects; modifying fire...

  17. US EPA, Pesticide Product Label, HELENA BRAND ETHYL ...

    EPA Pesticide Factsheets

    2011-04-14

    ... ___ " ... lII"ttl tIM,., .. lttlM. I. ,wUw", .,. vielilll i ••••• UIIKMv') ... Ia. ... leof ",i~rt.lf'Ol roU.,. Millican han ..... _ad SpiiIMr Mit •. Diob,olica "'!I., . U •• ''0 to ~. ...

  18. 77 FR 42694 - Helena National Forest, Montana, Telegraph Vegetation Project

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-07-20

    ... desirable regeneration, reducing fuels and the risk of wildfire, and maintaining diverse wildlife habitats... and sustainable forest stands and to lessen the risks of wildfire which could threaten wildland...

  19. An Analysis of the Space Transportation System Launch Rate Capability Utilizing Q-GERT Simulation Techniques.

    DTIC Science & Technology

    1982-12-01

    Vehicle Assembly Building (VAB) and attached to a Mobile Launch Platform (LP). The remaining SHE segments and the forward skirt are stacked, and an...Orbiter Processing Facility (OPP) bays, 3. Crawlers, L. Launch Pads, 3. Mobile Launch Pads, 6. Vehicle Assembly Building (VAB) High Bays, 7. Processing and...Clarenoe A. Jr. "Dean Weapons Tectnology Expanding," Aviation Week & Sc Tehnology , 114 (21), 40-47 (25 May 1981). 5. Covaultv Craig. "Payloads to

  20. Development of methods for equivalent transformation of GERT networks for application in multi-version software

    NASA Astrophysics Data System (ADS)

    Saramud, M. V.; Zelenkov, P. V.; Kovalev, I. V.; Kovalev, D. I.; Kartsan, I. N.

    2016-11-01

    The usage of information and control systems in various fields of production and research requires a certain level of reliability in the functioning of these systems. One of the most promising and already positively proven methodologies to ensure high reliability and fault tolerance of software is multi-version designing. The greatest value this factor have in the areas where control system failure can result in significant financial and material losses, as well as harm to human health and life.

  1. Complicating Gert Biesta's Account of Subjectification: ŽIžekian Negativity and Buddhist "SuNyata"

    ERIC Educational Resources Information Center

    Oral, Sevket Benhur

    2016-01-01

    Biesta identifies three functions that educational systems perform: qualification, socialization, and subjectification. Subjectification involves ways of being whereby individuals exercise their capacity to remain independent from the existing orders by challenging their uncontested insertion into these orders. For Biesta, becoming a subject…

  2. An Analysis of Air Force Avionic Test Station Utilization Using Q-Gert Modeling and Simulation.

    DTIC Science & Technology

    1979-12-01

    LAPrL tVE. E u beP CE K, AVEPAr.E ’U "Q1E 0 Schr? 115.C? c7t c. 16. 16 6.1501 25 ~APAO .1� . 1. C.5292 2F r. ,- Cc F 6 c. 1. 1 .4979 ’Q ’IWAD .Z201...Evaluation Center, Kirtland Air Force Base, New Mexico , 1979. 10. Drake, William F., III, Rolland R. Fisher, and John R. Younger, "Logistics Composite...Air Force Base, New Mexico , (May 1976). 19. HQ/AFTEC, "F-16 FOT & E Phase II Suitability Test Plan - Annex E," Air Force Test and Evaluation Center

  3. A Transportation Model for a Space Colonization and Manufacturing System: A Q-GERT Simulation.

    DTIC Science & Technology

    1982-12-01

    RAD-RI247685 A TRANSPORTATION MODEL OR A SPACE COLONIZATION AND1/ MANUFACTURING SYSTEM:..U) AIR FORCE INST OF TECH NRIGHT-PATTERSON AFB OH SCHOOL OF...it$ ""distribution is unlimitd- L CTF r DEPARTMENT OF THE AIR FORCE FEB 22 3 C.. AIR UNIVERSITY (ATC) • AIR FORCE INSTITUTE OF TECHNOLOG L&J Wright...Patterson Air Force Base, Ohio _ rig 2Z. 1" 7 AF IT/GSO/OS/82D-6 A TRANSPORTATION MODEL F AR SPACE . I a, cND MANUFACTURING SY-TEM: A 0--CtERT

  4. 75 FR 72784 - Helena National Forest; Montana; Blackfoot Travel Plan EIS

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-11-26

    ... the Continental Divide National Scenic Trail, the Helmville-Gould trail, grizzly bear, elk, and bull trout habitat and conflicts with motorized and non-motorized uses. These topics generated the...

  5. Payne-Gaposchkin, Cecilia Helena [née Payne] (1900-79)

    NASA Astrophysics Data System (ADS)

    Murdin, P.

    2000-11-01

    Astronomer, born in England, married Sergei Gaposchkin, first woman to become a full professor at Harvard. Worked on stellar atmospheres, and in her 1925 dissertation suggested correctly that the great range in strength, from star to star, of absorption lines in stellar spectra was due to differing amounts of ionization (differing temperatures), not differing chemical composition. She suggested t...

  6. Seasonal variation in physical activity and sedentary time in different European regions. The HELENA study.

    PubMed

    Gracia-Marco, Luis; Ortega, Francisco B; Ruiz, Jonatan R; Williams, Craig A; Hagströmer, Maria; Manios, Yannis; Kafatos, Anthony; Béghin, Laurent; Polito, Angela; De Henauw, Stefaan; Valtueña, Jara; Widhalm, Kurt; Molnar, Denes; Alexy, Ute; Moreno, Luis A; Sjöström, Michael

    2013-01-01

    This report aims (1) to examine the association between seasonality and physical activity (PA) and sedentary time in European adolescents and (2) to investigate whether this association was influenced by geographical location (Central-North versus South of Europe), which implies more or less extreme weather and daylight hours. Valid data on PA, sedentary time and seasonality were obtained in 2173 adolescents (1175 females; 12.5-17.5 years) included in this study. Physical activity and sedentary time were measured by accelerometers. ANCOVA was conducted to analyse the differences in PA and sedentary time across seasons. Results showed that girls had lower levels of moderate to vigorous PA (MVPA) and average PA, and spent more time in sedentary activities in winter compared with spring (all P < 0.05). Stratified analyses showed differences in PA and sedentary time between winter and spring in European girls from Central-North of Europe (P < 0.05 for sedentary time). There were no differences between PA and sedentary time across seasonality in boys. In conclusion, winter is related with less time spent in MVPA, lower average PA and higher time spent in sedentary activities in European adolescent girls, compared with spring. These differences seem to mainly occur in Central-North Europe.

  7. Eating behaviour, insulin resistance and cluster of metabolic risk factors in European adolescents. The HELENA study.

    PubMed

    Sesé, Maria A; Jiménez-Pavón, David; Gilbert, Chantal C; González-Gross, Marcela; Gottrand, Frédéric; de Henauw, Stefaan; Breidenassel, Christina; Wärnberg, Julia; Widhalm, Kurt; Molnar, Dénes; Manios, Yannis; Cuenca-García, Magdalena; Kafatos, Anthony; Moreno, Luis A

    2012-08-01

    The present study examined the associations of food behaviours and preferences with markers of insulin resistance and clustered metabolic risk factors score after controlling for potential confounders, including body fat in European adolescents. A cross-sectional study "Healthy Lifestyle in Europe by Nutrition in Adolescence Cross-Sectional Study" of 3546 European adolescents aged 12.5-17.5 years was conducted, using a complete dataset on at least glucose, insulin and "Food Choice Questionnaire". Results indicated skipping breakfast, as well as the preference of some foods such as nuts, chocolate, burgers and pizzas, soft drinks or juices, explain part of homeostasis model assessment index variance. In addition, snacking regularly during school day is associated with higher metabolic risk score in females. In conclusion, the present findings suggest that intervention studies aimed to prevent insulin resistance and metabolic risk factors in youth should focus not only in influencing food and drink preferences, but also to ensure healthy food behaviour in adolescents. The harmful consequences in the choice of certain foods or drinks and food habits can be countered with proper planning and intervention programs to prevent insulin resistance and metabolic risk factors.

  8. A Q-GERT Analysis of the Effect of Improved Automatic Testing on F-16 Aircraft Availability.

    DTIC Science & Technology

    1983-09-01

    September 1932. ADA 12%000 guerra, Joel A., Lesko, Andrew J., & Periera, Jose . OpratinE and supoort cost model for avionics automatic tst eauipment...1981. perr ., Corporation. Automatic test equipment. Final report No. RL-R-80-3, U. S. Army; Missile Command, Redstoie Aroenal AL, February 1980. 17 84

  9. Prime Contract Awards by State or Country, Place and Contractor. Part 3 (Lodi, California - Saint Helena, California), FY1991

    DTIC Science & Technology

    1991-01-01

    0 0 .44 t4000 00 0 0 NOi 000. U ) 0 0 0 0 N4 0> U-: WI S (f > U4 04C’ ON (4 "NNNNNNNNC4N4NNN C 04 (-4 ON 04 O II Uv~n ZZ- U04i1 -4 40 N- euqe ". 00 C...4-4 -4-4 -4N04N"-4-4 IW is a) I (0(0( If w (0CD Dco (D(D (D coCIDo (0 (( oCC)(0 (OD 0co CCCCCDOOCD 0( D( o( D 0 c cc o( cDc tD (D toCOD 0 1 N I0(0< If...0 o0 Kf W I 0-INO4L K 00 0 0> 04040000 00 000 0 00o C K 0-4N of 00 0D 0 o000000 00 0000) 000 Kt 0-4NCO II M to to 4L o to td K I O-C-4N0 It -.4-4 -4

  10. Association of physical activity with muscular strength and fat-free mass in adolescents: the HELENA study.

    PubMed

    Moliner-Urdiales, Diego; Ortega, Francisco B; Vicente-Rodriguez, Germán; Rey-Lopez, Juan P; Gracia-Marco, Luis; Widhalm, Kurt; Sjöström, Michael; Moreno, Luis A; Castillo, Manuel J; Ruiz, Jonatan R

    2010-08-01

    The objective of this study is to analyse the association of objectively assessed physical activity (PA) with muscular strength and fat-free mass in adolescents, and to determine whether meeting the current PA recommendations is associated with higher levels of muscular strength and fat-free mass. The present cross-sectional study comprised 363 Spanish adolescents (180 females) aged 12.5-17.5 years. PA was assessed by accelerometry and expressed as average PA (counts/min), and min/day of inactive, light, moderate, vigorous and moderate to vigorous PA (MVPA). MVPA was dichotomized into < 60 min/day and > or = 60. Upper body muscular strength was measured with the handgrip strength test, and lower body muscular strength was measured with the standing broad jump, squat jump, counter movement jump and Abalakov tests. Fat-free mass was measured by DXA. We observed positive associations between vigorous PA and all the lower body muscular strength tests except for the counter movement jump in males. PA was not associated with fat-free mass in both males and females. Male adolescents engaged in at least 60 min/day MVPA performed better in the standing broad jump test. In conclusion, the findings of the present study suggest that only vigorous PA is associated with muscular strength, particularly lower-body muscular strength in male adolescents.

  11. Correlates of dietary energy misreporting among European adolescents: the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) study.

    PubMed

    Bel-Serrat, Silvia; Julián-Almárcegui, Cristina; González-Gross, Marcela; Mouratidou, Theodora; Börnhorst, Claudia; Grammatikaki, Evangelia; Kersting, Mathilde; Cuenca-García, Magdalena; Gottrand, Frederic; Molnár, Dénes; Hallström, Lena; Dallongeville, Jean; Plada, Maria; Roccaldo, Romana; Widhalm, Kurt; Moreno, Luis A; Manios, Yannis; De Henauw, Stefaan; Leclercq, Catherine; Vandevijvere, Stefanie; Lioret, Sandrine; Gutin, Bernard; Huybrechts, Inge

    2016-04-01

    This study examined the correlates of dietary energy under-reporting (UR) and over-reporting (OV) in European adolescents. Two self-administered computerised 24-h dietary recalls and physical activity data using accelerometry were collected from 1512 adolescents aged 12·5-17·5 years from eight European countries. Objective measurements of height and weight were obtained. BMI was categorised according to Cole/International Obesity Task Force (IOTF) cut-off points. Diet-related attitudes were assessed via self-administered questionnaires. Reported energy intake (EI) was compared with predicted total energy expenditure to identify UR and OV using individual physical activity objective measures. Associations between misreporting and covariates were examined by multilevel logistic regression analyses. Among all, 33·3 % of the adolescents were UR and 15·6 % were OV when considering mean EI. Overweight (OR 3·25; 95 % CI 2·01, 5·27) and obese (OR 4·31; 95 % CI 1·92, 9·65) adolescents had higher odds for UR, whereas underweight individuals were more likely to over-report (OR 1·67; 95 % CI 1·01, 2·76). Being content with their own figures (OR 0·61; 95 % CI 0·41, 0·89) decreased the odds for UR, whereas frequently skipping breakfast (OR 2·14; 95 % CI 1·53, 2·99) was linked with higher odds for UR. Those being worried about gaining weight (OR 0·55; 95 % CI 0·33, 0·92) were less likely to OV. Weight status and psychosocial weight-related factors were found to be the major correlates of misreporting. Misreporting may reflect socially desirable answers and low ability to report own dietary intakes, but also may reflect real under-eating in an attempt to lose weight or real over-eating to reflect higher intakes due to growth spurts. Factors influencing misreporting should be identified in youths to clarify or better understand diet-disease associations.

  12. 75 FR 2887 - National Register of Historic Places; Notification of Pending Nominations and Related Actions

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-01-19

    .... GEORGIA Douglas County Beulah Grove Lodge No. 372, Free and Accepted York Masons--Pleasant Grove School.... Mason County Helena United Methodist Church, 6479 Helena Rd., Helena, 09001311. Simpson County...

  13. 10. PHOTOGRAPHIC COPY OF PHOTOGRAPH (1938) (original print in possession ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    10. PHOTOGRAPHIC COPY OF PHOTOGRAPH (1938) (original print in possession of Helena Branch of Federal Reserve Bank of Minneapolis, Helena, Montana) VIEW OF FIRST FLOOR TELLERS WINDOWS - Federal Reserve Bank of Minneapolis, Helena Branch, 400 North Park Avenue, Helena, Lewis and Clark County, MT

  14. Dietary fatty acid intake, its food sources and determinants in European adolescents: the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) Study.

    PubMed

    Vyncke, Krishna E; Libuda, Lars; De Vriendt, Tineke; Moreno, Luis A; Van Winckel, Myriam; Manios, Yannis; Gottrand, Frederic; Molnar, Denes; Vanaelst, Barbara; Sjöström, Michael; González-Gross, Marcela; Censi, Laura; Widhalm, Kurt; Michels, Nathalie; Gilbert, Chantal C; Xatzis, Christos; Cuenca García, Magdalena; de Heredia, Fátima Pérez; De Henauw, Stefaan; Huybrechts, Inge

    2012-12-28

    Dietary fatty acids (FA) play a role in several (patho)physiological processes at any age, and different FA have different effects on lipid status and health outcome. The present study aims to describe the FA intake and its main food sources in a population of healthy European adolescents and to assess the variation in intake as a function of non-dietary factors. FA intake was assessed with 24 h recall interviews in 1804 adolescents aged 12·5-17·5 years. Usual intakes were calculated using the multiple source method. Multilevel analyses, adjusting for study centre, were used to investigate the influence of non-dietary factors. The mean total fat intake was 33·3 (sd 1·2) % of total energy intake (%E). The mean SFA intake was 13·8 (sd 1·2) %E, with 99·8 % of the population exceeding the recommendations. SFA was mainly delivered by meat and cake, pies and biscuits. In most adolescents, the PUFA intake was too low, and 35·5 % of the population did not achieve the minimum recommended intake for α-linolenic acid (ALA). The main determinants of FA intake in the present study population were age and sex, as well as physical activity in the male subgroup. No contributions of body composition, socio-economic status or sexual maturation to the variance in FA intake were observed. In conclusion, the most important public health concerns regarding FA intake in this adolescent population were the low intake of ALA and the high intake of SFA, mainly seen in the younger-aged boys. In this group the major contributor to SFA was meat.

  15. Helena, the hidden beauty: Resolving the most common West Eurasian mtDNA control region haplotype by massively parallel sequencing an Italian population sample.

    PubMed

    Bodner, Martin; Iuvaro, Alessandra; Strobl, Christina; Nagl, Simone; Huber, Gabriela; Pelotti, Susi; Pettener, Davide; Luiselli, Donata; Parson, Walther

    2015-03-01

    The analysis of mitochondrial (mt)DNA is a powerful tool in forensic genetics when nuclear markers fail to give results or maternal relatedness is investigated. The mtDNA control region (CR) contains highly condensed variation and is therefore routinely typed. Some samples exhibit an identical haplotype in this restricted range. Thus, they convey only weak evidence in forensic queries and limited phylogenetic information. However, a CR match does not imply that also the mtDNA coding regions are identical or samples belong to the same phylogenetic lineage. This is especially the case for the most frequent West Eurasian CR haplotype 263G 315.1C 16519C, which is observed in various clades within haplogroup H and occurs at a frequency of 3-4% in many European populations. In this study, we investigated the power of massively parallel complete mtGenome sequencing in 29 Italian samples displaying the most common West Eurasian CR haplotype - and found an unexpected high diversity. Twenty-eight different haplotypes falling into 19 described sub-clades of haplogroup H were revealed in the samples with identical CR sequences. This study demonstrates the benefit of complete mtGenome sequencing for forensic applications to enforce maximum discrimination, more comprehensive heteroplasmy detection, as well as highest phylogenetic resolution.

  16. Operator State Estimation for Adaptive Aiding in Uninhabited Combat Air Vehicles

    DTIC Science & Technology

    2005-09-01

    Michael, Eiselt, and Gert Griessbach. “Common Optimization of Adaptive Preprocessing Units and a Neural Network during the Learning Period...2000). Guger, Christop, Alois Schlögl, Christa Neuper, Dirk Walterspacher, Thomas Strein, and Gert Pfurtscheller. “Rapid Prototyping of an EEG...North_Holland, (1988). Haselsteiner, Ernst and Gert Pfurtscheller. “Using Time-Dependent Neural Networks for EEG Classification,” IEEE Transactions on

  17. 75 FR 9028 - Quarterly Publication of Individuals, Who Have Chosen To Expatriate, as Required by Section 6039G

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-02-26

    ... KAREN-HELENA SABRINA HASSAN ABDELMONEM HAYDAY ADRIAN C ] HAYDAY SANDRA ANN HELBIG INGO M. HELD BETTINA... PAHLSSON REX HENRIK PAHR-IVERSEN KAREN-HELENA SABRINA HART PAK CHIN YONG PAK SUN YUL PAK YONG MAE PARK...

  18. The Academic Impacts of Attending a KIPP Charter School in Arkansas

    ERIC Educational Resources Information Center

    Rose, Caleb P.

    2013-01-01

    KIPP Delta College Preparatory School (KIPP: DCPS), an open-enrollment charter school, opened in 2002 in Helena, Arkansas. Since its opening, KIPP: DCPS students have consistently outperformed their peers in the Helena/West Helena School district, and moreover, recent test scores suggest that white students and minority students are achieving at…

  19. Ethical theory, "common morality," and professional obligations.

    PubMed

    Alexandra, Andrew; Miller, Seumas

    2009-01-01

    We have two aims in this paper. The first is negative: to demonstrate the problems in Bernard Gert's account of common morality, in particular as it applies to professional morality. The second is positive: to suggest a more satisfactory explanation of the moral basis of professional role morality, albeit one that is broadly consistent with Gert's notion of common morality, but corrects and supplements Gert's theory. The paper is in three sections. In the first, we sketch the main features of Gert's account of common morality in general. In the second, we outline Gert's explanation of the source of professional moral rules and demonstrate its inadequacy. In the third section, we provide an account of our own collectivist needs-based view of the source of the role-moral obligations of many professional roles, including those of health care professionals.

  20. Folate and vitamin B12 concentrations are associated with plasma DHA and EPA fatty acids in European adolescents: the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) study.

    PubMed

    Iglesia, I; Huybrechts, I; González-Gross, M; Mouratidou, T; Santabárbara, J; Chajès, V; González-Gil, E M; Park, J Y; Bel-Serrat, S; Cuenca-García, M; Castillo, M; Kersting, M; Widhalm, K; De Henauw, S; Sjöström, M; Gottrand, F; Molnár, D; Manios, Y; Kafatos, A; Ferrari, M; Stehle, P; Marcos, A; Sánchez-Muniz, F J; Moreno, L A

    2017-01-01

    This study aimed to examine the association between vitamin B6, folate and vitamin B12 biomarkers and plasma fatty acids in European adolescents. A subsample from the Healthy Lifestyle in Europe by Nutrition in Adolescence study with valid data on B-vitamins and fatty acid blood parameters, and all the other covariates used in the analyses such as BMI, Diet Quality Index, education of the mother and physical activity assessed by a questionnaire, was selected resulting in 674 cases (43 % males). B-vitamin biomarkers were measured by chromatography and immunoassay and fatty acids by enzymatic analyses. Linear mixed models elucidated the association between B-vitamins and fatty acid blood parameters (changes in fatty acid profiles according to change in 10 units of vitamin B biomarkers). DHA, EPA) and n-3 fatty acids showed positive associations with B-vitamin biomarkers, mainly with those corresponding to folate and vitamin B12. Contrarily, negative associations were found with n-6:n-3 ratio, trans-fatty acids and oleic:stearic ratio. With total homocysteine (tHcy), all the associations found with these parameters were opposite (for instance, an increase of 10 nmol/l in red blood cell folate or holotranscobalamin in females produces an increase of 15·85 µmol/l of EPA (P value <0·01), whereas an increase of 10 nmol/l of tHcy in males produces a decrease of 2·06 µmol/l of DHA (P value <0·05). Positive associations between B-vitamins and specific fatty acids might suggest underlying mechanisms between B-vitamins and CVD and it is worth the attention of public health policies.

  1. Body size at birth modifies the effect of fat mass and obesity associated (FTO) rs9939609 polymorphism on adiposity in adolescents: the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) study.

    PubMed

    Labayen, Idoia; Ruiz, Jonatan R; Ortega, Francisco B; Gottrand, Frédéric; Huybrechts, Inge; Dallongeville, Jean; Widhalm, Kurt; Ferrari, Marika; Buyken, Annete; Kersting, Mathilde; Moschonis, George; Turck, Dominique; Gómez, Sonia; Sjostrom, Michael; Meirhaeghe, Aline; Moreno, Luis A

    2012-05-01

    The present study was intended to examine whether ponderal index (PI) at birth modifies the effect of the fat mass and obesity associated (FTO) rs9939609 polymorphism on adiposity in European adolescents. A total of 628 adolescents aged 14·4 (se 1·3) years (56·8 % female) were recruited. PI was calculated from parental reports of birth weight and length (kg/m³), and the BMI (kg/m²), body fat percentage and fat mass index (FMI, kg/m²) were calculated. The rs9939609 polymorphism was genotyped and physical activity assessed by accelerometry. Sex, duration of pregnancy, pubertal status, centre and physical activity were used as confounders in all the analyses. The minor A allele of the FTO rs9939609 was significantly associated with higher BMI, body fat percentage and FMI (all P < 0·05) but not with PI. Significant interactions between PI and the rs9939609 polymorphism in terms of body fat percentage (P = 0·002) and FMI (P = 0·017) were detected. However, this polymorphism was only significantly associated with higher BMI, body fat percentage and FMI (all P < 0·05) in adolescents in the lower PI tertile. Indeed, both body fat percentage and FMI were higher in those adolescents in the lower PI tertile carrying the A allele of the FTO rs9939609 polymorphism than in those with the TT genotype (25·0 (se 0·8) v. 22·1 (se 1·0) %, adjusted P = 0·030 and 5·6 (se 0·3) v. 4·6 (se 0·4) kg/m2, P = 0·031, respectively). Our findings suggest that those adolescents born with lower PI could be more vulnerable to the influence of the A risk allele of the FTO polymorphism on total adiposity content.

  2. Helena banks strike-slip(. ) fault and the relation to other Cenozoic faults along reactivated Triassic(. ) basin boundary fault zones in the Charleston, South Carolina, earthquake area - results from a marine high-resolution multichannel seismic-reflection survey

    SciTech Connect

    Behrendt, J.C.; Yuan, A.

    1985-01-01

    In 1981, the USGS conducted a high-resolution multichannel seismic (MCS) survey offshore of Charleston, South Carolina, to study the relation of Cenozoic faulting to future earthquake hazard. High-angle reverse displacement of Coastal Plain sedimentary rock indicating a linear increase with depth of 51 +/- 12 m/km is observed on the reflection profiles. This is similar to the Gants and Cooke faults in the meizoseismal area of the 1886 Charleston earthquake. The authors interpret these results to indicate that the stress field cannot have varied significantly in direction or in magnitude from Late Cretaceous time to Miocene or Pliocene time in the region. The HBF zone trends N 66/sup 0/ E; it comprises several 15- to 40-km-long segments that trend from N 68/sup 0/ E to N 77/sup 0/ E. The en-echelon pattern of the segments is compatible with left-lateral strike-slip and is thus consistent with the present northeast-trending maximum compressional stress field. The HBF zone appears to be an obliquely compressional reactivation of a tensional Triassic(.) fault zone bounding the Triassic(.) Kiawah Basin that has been identified on several MCS profiles. Similarly, the northeast-trending Gants reverse or strike-slip fault was probably reactivated from an old tensional fault bounding the Jedburg Triassic(.) basin in the 1886 meizoseismal area.

  3. Countering Irregular Activity in Civil War Arkansas -- A Case Study

    DTIC Science & Technology

    2007-03-27

    Little Rock. This was Major General Thomas C. Hindman Jr., a Mexican War veteran and former resident of Helena , Arkansas. 8 Menaced by Curtis ’ return...to Helena on the Mississippi River. Curtis also responded to his logistical difficulties and the activities of guerrillas by giving Southerners...their first taste of the "hard war." Curtis successfully took Helena in July 1862. Hindman’s radical actions had alienated many of the state’s

  4. Anisotropy of the energetic neutral atom flux in the heliosphere

    NASA Technical Reports Server (NTRS)

    Gruntman, Michael A.

    1992-01-01

    Characteristics of the energetic neutral atoms born at the heliospheric interface are considered for plasma flow structure resulting from a two-shock model of the interaction between the solar wind and the interstellar medium. The energy distributions of heliospheric energetic neutral atoms (HELENAs) are calculated and it is shown that the HELENA flux is highly anisotropic at the earth's orbit. The characteristics of the HELENA flux are highly sensitive to the size of the heliosphere. This supports the conclusion that measurements of HELENAs from the earth's orbit would provide an efficient tool to remotely study the heliosphere.

  5. Culture: The New Key Terrain Integrating Cultural Competence into JIPB

    DTIC Science & Technology

    2006-05-25

    Columbia University Press, 1998. Hofstede, Geert and Gert Jan Hofstede. Cultures and Organizations: Software of the Mind: Intercultural Cooperation...Blakesley, David W. Pendall, Jason K. Walk, Richard D. Wallwork Systemic Operational Design: An Introduction. Ft. Leavenworth, Kansas: School of

  6. Vacancy Transport and Interactions on Metal Surfaces

    DTIC Science & Technology

    2014-03-06

    AFRL-OSR-VA-TR-2013-0317 VACANCY TRANSPORT AND INTERACTIONS ON METAL SURFACES Gert Ehrlich UNIVERSITY OF ILLINOIS CHAMPAIGN Final Report 03/06/2014...Prescribed by ANSI Std. Z39.18 Vacancy Transport and Interactions on Metal Surfaces Final Report Grant FA9550-09-1-248 April 15, 2009 – November...30, 2012 Gert Ehrlich, PI Abstract This proposal is a study of vacancy transport and vacancy interaction on metal surfaces. Adatom self

  7. Toxic Warfare

    DTIC Science & Technology

    2002-02-01

    77; Gert G. Harigel, Chemical and Biological Weapons: Use in Warfare, Impact on Society and Environment, Carnegie Endowment for International Peace...production is discussed in Gert G. Harigel, The Concept of Weapons of Mass Destruction: Chemical and Biological Weapons, Use in Warfare, Impact on Society and...poisoning was much smaller than that caused by land mines in the region, the use of poison was nonetheless an effective ter- ror weapon. 6See Jason Pate, Gary

  8. 76 FR 30536 - Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-05-26

    ... Helena Helena Rgnl......... 1/9844 5/2/11 RNAV (RNP) Y Rwy 27, Orig 30-Jun-11 MT Kalispell Glacier Park Intl... 1/9845 5/2/11 RNAV (RNP) Rwy 20, Orig 30-Jun-11 MT Kalispell Glacier Park Intl... 1/9847...

  9. 75 FR 43556 - TA-W-73,381, MT Rail Link, Inc., Missoula, MT; TA-W-73,381A, Billings, MT; TA-W-73,381B, Laurel...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-07-26

    ... Employment and Training Administration TA-W-73,381, MT Rail Link, Inc., Missoula, MT; TA-W-73,381A, Billings... facilities (yards) in Billings, Laurel, Livingston, Helena and Missoula, Montana. The Billings, Laurel... Rail Link, Inc. at facilities in Billings, Laurel, Livingston, and Helena, Montana. The amended...

  10. Jointness in 1780 Charleston and 1861-1865 Charleston

    DTIC Science & Technology

    2007-11-02

    located around Edisto Island), Saint Helena Sound (Saint Helena Island), Port Royal Entrance (Hilton Head Island), and Savannah River (Savannah... Curtis , Edward E. The Organization of the British Army in the American Revolution. New York: AMS Press, 1969. Davies, K. G., ed. Documents of the

  11. 77 FR 59950 - Changes in Flood Hazard Determinations

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-10-01

    ..., Fair Street, AZ 86303. Prescott, AZ 86305. California: Napa City of St. Helena The Honorable Del.... Street, St. Helena, CA 94574. Napa Unincorporated The Honorable Napa County Public http://www.r9map.org/ November 5, 2012..... 060205 areas of Napa Keith Caldwell, Works Department, Docs/12-09-0871P- County...

  12. 50 CFR 17.95 - Critical habitat-fish and wildlife. (Continued)

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ...; and (C) Is able to develop and maintain temperatures and a moisture content conducive to embryo... Sound and extends from Fish Creek Inlet to Saint Helena Sound. (C) LOGG-T-SC-19—Harbor Island: This unit consists of 2.9 km (1.8 mi) of island shoreline along the Atlantic Ocean and Saint Helena Sound and...

  13. Gravitational Analysis of the In-Band Wormhole Phenomenon

    DTIC Science & Technology

    2006-11-01

    1 GRAVITATIONAL ANALYSIS OF THE IN-BAND WORMHOLE PHENOMENON Richard Gopaul1, Peter Kruus2, Dan Sterne2, Brian Rivera1 1U.S. Army Research...Laboratory Adelphi, MD, 20783 USA 2SPARTA, Inc. Columbia, MD, 21046 USA ABSTRACT In-band wormhole attacks undermine routing by attracting...technique, first presented in [KSG06], for evaluating the effects of in-band wormhole attacks on OLSR routing. The gravitational analysis technique

  14. Stream Traffic Communication in Packet Switched Networks,

    DTIC Science & Technology

    1977-08-01

    of the UCLA computing facility. Special thanks to my sons, Jason and Bret, who have request- ed and received very Little of my ti%P these past several...routing scheme by using the flow deviation method [ Gert 73J for example. Notice that fixed routing always performed better than the foreground routing...February 1977, pp 42-45. [ Gert 73) GerLa, M. "The Design of Store-and-Forward (S/F) Networks for Computer Communication." Computer Science Department

  15. Celebrities Gather to Fight Heart Disease

    MedlinePlus

    ... Kimberly Guilfoyle Villency, Kim Cattrall, Katharine McPhee, Sheila Johnson, Danica Patrick, Angela Bassett, Mae Jemison, Lauren Hutton, ... Matlin, Zuleyka Rivera, Natalie Morales, Helena Christensen, Betsey Johnson, Kelly Ripa, Kristin Chenoweth, Billie Jean King, Jane ...

  16. 27 CFR 9.143 - Spring Mountain District.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 1:24000 scale. They are titled: (1) “Kenwood, Calif.,” 1954 (photorevised 1980). (2) “Rutherford... northeast then generally southeast direction, through the St. Helena and Rutherford quadrangle...

  17. 27 CFR 9.143 - Spring Mountain District.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 1:24000 scale. They are titled: (1) “Kenwood, Calif.,” 1954 (photorevised 1980). (2) “Rutherford... northeast then generally southeast direction, through the St. Helena and Rutherford quadrangle...

  18. 77 FR 48126 - Missouri River Resource Advisory Committee

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-08-13

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF AGRICULTURE Forest Service Missouri River Resource Advisory Committee AGENCY: Forest Service, USDA. ACTION: Notice of meeting. SUMMARY: The Missouri River Resource Advisory Committee will meet in Helena, Montana....

  19. 5. Photocopy of photograph (Original in collection of the Historical ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    5. Photocopy of photograph (Original in collection of the Historical Society of Montana) VIEW TAKEN DURING CONSTRUCTION, SHOWING FIRST FLOOR NEARLY COMPLETED - U. S. Assay Office, 206 Broadway Street, Helena, Lewis and Clark County, MT

  20. 40 CFR 52.1376 - Extensions.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 1990, for submittal of the SIP for the East Helena area to attain and maintain the sulfur dioxide secondary NAAQS. Therefore, the SIP for the area was due November 15, 1993. The SIP was not submitted...

  1. 40 CFR 52.1376 - Extensions.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 1990, for submittal of the SIP for the East Helena area to attain and maintain the sulfur dioxide secondary NAAQS. Therefore, the SIP for the area was due November 15, 1993. The SIP was not submitted...

  2. 40 CFR 52.1376 - Extensions.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 1990, for submittal of the SIP for the East Helena area to attain and maintain the sulfur dioxide secondary NAAQS. Therefore, the SIP for the area was due November 15, 1993. The SIP was not submitted...

  3. 40 CFR 52.1376 - Extensions.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 1990, for submittal of the SIP for the East Helena area to attain and maintain the sulfur dioxide secondary NAAQS. Therefore, the SIP for the area was due November 15, 1993. The SIP was not submitted...

  4. 40 CFR 52.1376 - Extensions.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 1990, for submittal of the SIP for the East Helena area to attain and maintain the sulfur dioxide secondary NAAQS. Therefore, the SIP for the area was due November 15, 1993. The SIP was not submitted...

  5. 3. FIRST FLOOR, FRONT ROOM WITH ENTRANCE DOORS ON THE ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    3. FIRST FLOOR, FRONT ROOM WITH ENTRANCE DOORS ON THE EAST WALL - Penn School Historic District, Butler Building, SC Route 37, 1 mile South of Frogmore, St. Helena Island, Frogmore, Beaufort County, SC

  6. 8. EAST (FRONT) ELEVATION, SHOWING DEPTH OF DOORWAYS, LOOKING SOUTH ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    8. EAST (FRONT) ELEVATION, SHOWING DEPTH OF DOORWAYS, LOOKING SOUTH - Penn School Historic District, Brick Church, SC Route 37, 1 mile South of Frogmore, St. Helena Island, Frogmore, Beaufort County, SC

  7. 3. FIRST FLOOR, FRONT SOUTHWEST CORNER ROOM WITH STAIRWAY TO ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    3. FIRST FLOOR, FRONT SOUTHWEST CORNER ROOM WITH STAIRWAY TO SECOND FLOOR - Penn School Historic District, Benezet House, 1 mile South of Frogmore, Route 37, St Helena Island, Frogmore, Beaufort County, SC

  8. 4. LARGE MEETING ROOM, SOUTH WALL, FIREPLACE AND PAINTING ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    4. LARGE MEETING ROOM, SOUTH WALL, FIREPLACE AND PAINTING - Penn School Historic District, Frissell Community House, SC Route 37, 1 mile South of Frogmore, St. Helena Island, Frogmore, Beaufort County, SC

  9. 3. FIRST FLOOR, FRONT ROOM (WHERE MARTIN LUTHER KING MADE ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    3. FIRST FLOOR, FRONT ROOM (WHERE MARTIN LUTHER KING MADE PLANS FOR HIS MOVEMENT) - Penn School Historic District, Arnett House, SC Route 37, 1 mile South of Frogmore, St. Helena Island, Frogmore, Beaufort County, SC

  10. 1. Photocopy of photograph (Original in collection of Historical Society ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    1. Photocopy of photograph (Original in collection of Historical Society of Montana) MAIN AND SIDE ELEVATIONS, SHOWING PORCH USED FOR DANCING - W. C. Child Ranch, State Highway 279, Helena, Lewis and Clark County, MT

  11. Studies in Lewis Acid and Superacid Ionic Liquids

    DTIC Science & Technology

    1993-04-16

    Chem., 14, 1232 (1975). 11. H. L. Chum , V. R. Koch, L. L. Miller and R. A. Osteryoung, "An Electrochemical Scrutiny of Organometallic Iron Complexes and...Helena Li Chum , T. Rabockai, J. Phillips and R. A. Osteryoung, "Ligand- Oxidation in Iron Diimine Complexes. ill. Electrochemical Oxidation of tris...glyoxalbis(methylimine))Jron(ll)", Inorg. Chem., 16, 1812 (1977). 21. Helena Li Chum , D. Koran and R. A. Osteryoung, ’The Electrochemical Behavior of

  12. JPRS Report West Europe

    DTIC Science & Technology

    1988-08-12

    female fellow minister, Helena Pesola , despite earlier talk about never again having two female ministers at the Ministry of Social Affairs. Hard...Work Might Yet Be Rewarded Originally, the Conservatives waited most anxiously to see how Helena Pesola would fare as a minister of social affairs...and health. And the party is still waiting. It must be admitted, however, that Pesola has quickly started to look and act like a minister. She gives

  13. What Should Educational Institutions Be for?

    ERIC Educational Resources Information Center

    MacAllister, James

    2016-01-01

    In this article, I respond to the work of Gert Biesta regarding the question of what education should be for. He maintains education ought to be oriented towards the "good" rather than measurement, accountability and efficiency. While sympathetic to such claims, I nonetheless question his avowal that discussion of the purposes of…

  14. Test-Based Teacher Evaluations: Accountability vs. Responsibility

    ERIC Educational Resources Information Center

    Bolyard, Chloé

    2015-01-01

    Gert Biesta contends that managerial accountability, which focuses on efficiency and competition, dominates the current political arena in education. Such accountability has influenced states' developments of test-based teacher evaluations in an attempt to quantify teachers' efficacy on student learning. With numerous state policies requiring the…

  15. Introducing the Geneva emotion recognition test: an example of Rasch-based test development.

    PubMed

    Schlegel, Katja; Grandjean, Didier; Scherer, Klaus R

    2014-06-01

    Existing tests to measure the ability to recognize other people's emotional expressions (emotion recognition ability [ERA]) mostly focus on a single modality (usually the face) and include only a small number of emotions, restricting their ecological validity. Further, their reliability is often unsatisfactory. The goal of the present study was to develop a new ERA test (Geneva Emotion Recognition Test [GERT]) that (a) features dynamic and multimodal actor portrayals (short videos with sound), (b) contains a large number of emotions, and (c) is based on modern psychometric principles (item response theory). We asked 295 participants to watch 108 actor portrayals and to choose, for each portrayal, which of 14 emotions had been expressed by the actor. We then applied the Rasch model independently to each of the 14 emotion portrayal subsets to select 83 final items for the GERT. Results showed that the model fits the emotion subtests and the overall GERT and that measurement precision is satisfactory. Consistent with previous findings, we found a decline in ERA with increasing age and an ERA advantage for women. To conclude, the GERT is a promising instrument to measure ERA in a more ecologically valid and comprehensive fashion than previous tests.

  16. The Purposes Outdoor Education Does, Could and Should Serve in Singapore

    ERIC Educational Resources Information Center

    Ho, Susanna

    2014-01-01

    This paper discusses the purposes that outdoor education does, could and should serve in Singapore. Gert Biesta's conceptualisation of three functions of education is adapted to frame deliberations on the purposes of outdoor education in Singapore's socio-political and educational milieu. The author suggests that outdoor education in Singapore…

  17. Integrate Evaluation into the Planning Process.

    ERIC Educational Resources Information Center

    Camp, William

    1985-01-01

    In an attempt to correct for limitations in the Program Evaluation and Review Technique-Critical Path Method (PERT-CPM), the Graphical Evaluation and Review Technique (GERT) has been developed. This management tool allows for evaluation during the facilities' development process. Two figures and two references are provided. (DCS)

  18. "The Power to Develop Dispositions": Revisiting John Dewey's Democratic Claims for Education

    ERIC Educational Resources Information Center

    Baldacchino, John

    2008-01-01

    This article reviews "John Dewey and Our Educational Prospect, A Critical Engagement with Dewey's Democracy and Education," edited and spearheaded by David T. Hansen, with contributions by Gert Biesta, Reba N. Page, Larry A. Hickman, Naoko Saito, Gary D. Fenstermacher, Herbert M. Kliebard, Sharon Fieman-Nemser and Elizabeth Minnich. This…

  19. Corporal Punishment and the Pain Provoked by the Community of Enquiry Pedagogy in the University Classroom

    ERIC Educational Resources Information Center

    Murris, Karin

    2014-01-01

    Education for transformation and social justice calls for critical, reflective, imaginative and independent thinkers with enquiring minds and a strong sense of curiosity--the ends and means of what Jonathan Jansen calls a "pedagogy to disrupt" and Gert Biesta a "pedagogy of interruption". For this reason, I introduced an…

  20. Ada (Trade Name) Bibliography. Volume 3.

    DTIC Science & Technology

    1986-02-01

    PROTOTYPING USING THE SETL PROGRAMMING LANGUAGE SCHULTZ. JAMES B., NONAFFILIATED 4642 -03 WEAPONS THAT THINK SCHULTZ, LENNART , CRONE&KOCH ORDRUPVEJ1O1,DK...AS A TARGET FOR ADA SUBRAHMANYAM, T CARTER, U. OF UTAH, SALT LAKE CITY, UTAH 84112 3455 -01 TRANSFORMATION OF ADA PROGRAMS INTO SILICON SVENSSON , GERT

  1. Teaching, Teacher Education, and the Humanities: Reconsidering Education as a "Geisteswissenschaft"

    ERIC Educational Resources Information Center

    Biesta, Gert

    2015-01-01

    In this essay Gert Biesta asks what the humanities can contribute to the field of teacher education. In addressing this question he turns to the idea of education as a "Geisteswissenschaft" as it was developed in the German-speaking context in the first decades of the twentieth century. In this conception, education is configured as an…

  2. Education, Freedom, and Temporality: A Response to Biesta and Säfström's Manifesto

    ERIC Educational Resources Information Center

    Yun, Suninn

    2014-01-01

    Since it was first published in 2011, "A Manifesto for Education" by Gert Biesta and Karl Anders Säfström has received numerous enthusiastic reviews and been hailed as providing "an alternative vision for education". Such enthusiasm, however, is perhaps not purely attributable to the substance of the text but also to the form…

  3. Jacques Derrida's Religion With/out Religion and the Im/possibility of Religious Education

    ERIC Educational Resources Information Center

    Miedema, Siebren; Biesta, Gert J. J.

    2004-01-01

    This article aims at rethinking religious education from an engagement with Derrida's forms of reasoning and analyzing. In the first section Gert Biesta presents deconstruction and shows how we can find deconstruction in education. In the second section Siebren Miedema explores the religious horizon of deconstruction. In the final section the…

  4. Intentionality and Thinking as "Hearing". A Response to Biesta's Agenda

    ERIC Educational Resources Information Center

    d'Agnese, Vasco

    2016-01-01

    In his 2012 article "Philosophy of Education for the Public Good: Five Challenges and an Agenda", Gert Biesta identifies five substantial issues about the future of education and the work required to address these issues. This article employs a Heideggerian reading of education to evaluate "Biesta's truth". I argue that…

  5. Why "What Works" Won't Work: Evidence-Based Practice and the Democratic Deficit in Educational Research

    ERIC Educational Resources Information Center

    Biesta, Gert

    2007-01-01

    In this essay, Gert Biesta provides a critical analysis of the idea of evidence-based practice and the ways in which it has been promoted and implemented in the field of education, focusing on the tension between scientific and democratic control over educational practice and research. Biesta examines three key assumptions of evidence-based…

  6. Afghan Right: Linking a Stable Economic and Industrial Base to a Self Sustaining ANA Logistics Adjusted to Afghan Culture

    DTIC Science & Technology

    2011-05-19

    the rural areas. Afghan culture is described using Geert Hofstede’s cultural dimensions . The Afghan Ministry of Defense has decreed the...employs Hofstede’s dimensions as a lens to describe and understand Afghan culture , which helps to identify challenges implementing NATO sustainment...individual initiative. 27 25 Geert Hofstede and Gert Jan Hofstede , Cultures and Organizations

  7. Conference on Coherent Radars for Range Instrumentation Held at Space and Missile Test Center, Vandenberg Air Force Base, California on 5-7 March 1974

    DTIC Science & Technology

    1974-03-07

    Jantz, Jr SAMTEC/ROSFchandler, Terry Autonetics Jason , F., Lt Col SAMTEC/ROPRhesebro, Ellsworth SAMTEC/ENY Johns, Milton SAMTEC/ENIý’in, Bell WSMP...to take another stab at this system, take a look at GERTS for ! MINUTEMAN, or whatever means we can. Maybe an interferometric system? I’m not talking

  8. Design Fragments

    DTIC Science & Technology

    2007-04-19

    http://doi.ieeecomputersociety.org/10.1109/ICSM.2005.40. 8.2.8 [17] Gert Florijn, Marco Meijers, and Pieter van Winsen. Tool support for object...Garlan. Software Architecture: Perspectives on an Emerging Disci- pline. Prentice-Hall, 1996. ISBN 0-13-182957-2. 9.5 [58] Jason McC. Smith and David

  9. Characterization of Microbial Processes that Degrade Chlorinated Solvents in a Constructed Wetland Using Organic Acid and Inorganic Anion Concentration Profiles

    DTIC Science & Technology

    2006-05-31

    thanks to Jason Lach for getting me started in the lab. Finally, I am honored to have shared the past 18 months with my 22 classmates. It has...Organics in Ground Water. EPA/540/R-97/504. Washington D.C.: Office of Research and Development (1997). 102 Holliger, Christof, Gert Wohlfarth

  10. Influence Small State Force Design

    DTIC Science & Technology

    2012-03-22

    Publishing Company, Ireland, 2011), 15. 14 Geert Hofstede, Gert Hofstede, Cultures and Organizations: Software of the mind, (New York: McGraw Hill, 2010...Shrinking Defense Budgets,” JFQ, issue 63, 4th qarter, NDU press, 2011, 25-27; Jason Sherman, “Army Plans ‘Comprehensive’ Review of How to Modify

  11. A Multiple Case Study Analysis of Digital Preservation Techniques Across Government, Private, and Public Service Organizations

    DTIC Science & Technology

    2008-03-01

    this effort. Also, I would like to thank Major Jason Turner and Dr. Dennis Strouble for their constant feedback, support, and time. Also, I would...Briggs, Robert O., Vreede, Gert -Jan De, Nunamaker, Jay and Sprague, Ralph. “Special Section: Context Driven Information Access and Deployment

  12. A Compendium of Air Force Institute of Technology Thesis Abstracts Related to Acquisition Management

    DTIC Science & Technology

    1990-09-01

    122 WEIGHTED GUIDELINES: AN EMPIRICAL INVESTIGATION OF RESEARCH AND DEVELOPMENT ACQUISITION. Craig, Michael R.;Pousardien, Henri J . Sep 82 AD-Al23...PARADIGM AND Q-GERT. Bryson, Gary C.;Husby, David J .;Webb, Michael E. Sep 82 AD-A123 051 ABSTRACT: Acquisition of support equipment is an integral part...Systems Management IMPORTANCE AND UTILIZATION OF SPECIALIZED COMPETENCE WITHIN A MATRIX ORGANIZATIONAL ENVIRONMENT. Thorn, Mack J Sep 89 AD-A215 625

  13. A Biomimetic Algorithm for Flight Stabilization in Airborne Vehicles, Based on Dragonfly Ocellar Vision

    DTIC Science & Technology

    2006-07-27

    Australia Email: gert.stange@anu.edu.au A biomimetic algorithm for flight stabilization in airborne vehicles, based on dragonfly ocellar vision...27 JUL 2006 2. REPORT TYPE Final Report (Technical) 3. DATES COVERED 10-06-2005 to 01-03-2006 4. TITLE AND SUBTITLE A Biomimetic Algorithm for...anatomy of the dragonfly occeli, it can be concluded that they are simple lens eyes designed for attitude stabilization. 15. SUBJECT TERMS Biomimetics

  14. An Evaluation of Alternatives for Processing of Administrative Pay Vouchers: A Simulation Approach.

    DTIC Science & Technology

    1982-09-01

    Finance Travel Voucher Q-GERT Productivity Personnel Forecasts Simulation Model 20. ABSTRACT (Continue on reverse side if necessary end Jdentfly by...Finance Office (ACF) has devised a Point System for use in determining the productivity of the ACF Travel Section (ACFTT). This Point System sets values...5 to 5+) to be assigned to incoming travel vouchers based on voucher complexity. This research had set objectives of (1) building an ACFTT model that

  15. UAVs - Current Situation and Considerations for the Way Forward

    DTIC Science & Technology

    2000-04-01

    prospectionAAI Corp. has been involved with the Pioneer UAV from Examples Crecerelle, Dragon, EyeView, Fox , Heliot+, Mirach 26, Nlshant, the onset, and...Tactical LADP RS Hussard FW Tactical CR FOG RSTA Altec Industries S-Mart FW Tactical SR RSTA CAC Systbmes Fox AT & TX FW Tactical SR RSTA K100 FW...high-winged monoplane with boom fuselage - Schiebel Elektr. Ger.te, Austria Camcopter andT tail unit (Raven-Flight Refueling, UK & Fox MLCS

  16. JPRS Report, West Europe.

    DTIC Science & Technology

    2007-11-02

    serious economic, social and cultural problems which our country faces. No one can maintain that consolidating a policy of friendship is something easy...8217 Procedures (Ugur Mumcu; CUMHURIYET, 10 Apr 87) 115 SOCIAL DENMARK Youth Seen Increasingly Attracted to Jobs in Private Sector (BERLINGSKE...will stop attacking the Social Democrats in the political debate. Gert Petersen (SF) feels the Social Democrats have started to stress a future SDP

  17. A Stability Police Force for the United States: Justification and Options for Creating U.S. Capabilities

    DTIC Science & Technology

    2009-01-01

    in Pristina, Kosovo; and Gert Besselink, Deputy Commander of the European Gendarmerie Force. Finally, Charlotte Lynch of RAND provided important...Jordan, and Jason Cheney, Cop Crunch: Identifying Strategies for Dealing with the Recruiting and Hiring Crisis in Law Enforcement, Washington, D.C...Bruce Taylor, Bruce Kubu, Lorie Fridell, Carter Rees, Tom Jordan, and Jason Cheney, Cop Crunch: Identifying Strategies for Dealing with the

  18. Pathway to Change? An Appraisal of the Australian Defence Force’s Strategy for Cultural Change

    DTIC Science & Technology

    2013-12-13

    LTCOL Jason D. Ross, M.M.A.S. , Member Kenneth E. Long, Ph.D. , Member LTC Leonard L. Lira, M.A., M.P.A. Accepted this 13th...like to thank Lieutenant Colonel Jason Ross for his guidance, and considerable patience, in his role as the Chair of my Committee. He was most ably... Gert Jan Hofstede, and Michael Minkov’s book, Cultures and Organizations (2010), provides further insights into the elements of culture outlined in

  19. Should the Air Force Teach Running Technique

    DTIC Science & Technology

    2012-02-15

    2004): 345-352. Bruggemann, Gert -Peter, Wolfgang Potthast, Bjorn Braunstein, and Anja Niehoff. “Effect of Increased Mechanical Stimuli on Foot...Daoud, Adam I., Gary J. Geissler, Frank Wang, Jason Saretsky, Yahya A. Daoud, and Daniel E. Lieberman. “Foot Strike and Injury Rates in Endurance...the author. E-mail, 17 October 2011. Edwards, W., David Taylor, Thomas Rudolphi, Jason Gillette, and Timothy Derrick. “Effects of Stride Length and

  20. 29 CFR 783.21 - Guiding principles for applying coverage and exemption provisions.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... that Congress intended the Fair Labor Standards Act to be broad in its scope (Helena Glendale Ferry Co... Co., 339 U.S. 497). An employer who claims an exemption under the Act has the burden of showing that it applies (Walling v. General Industries Co., 330 U.S. 545; Mitchell v. Kentucky Finance Co., 359...

  1. 29 CFR 783.21 - Guiding principles for applying coverage and exemption provisions.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... that Congress intended the Fair Labor Standards Act to be broad in its scope (Helena Glendale Ferry Co... Co., 339 U.S. 497). An employer who claims an exemption under the Act has the burden of showing that it applies (Walling v. General Industries Co., 330 U.S. 545; Mitchell v. Kentucky Finance Co., 359...

  2. U.S. Overseas Military Presence: What Are the Strategic Choices?

    DTIC Science & Technology

    2012-01-01

    and objectivity. PROJECT AIR FORCE U.S. Overseas Military Presence What Are the Strategic Choices? Lynn E. Davis, Stacie L. Pettyjohn, Melanie W...2011a, 2011b, 2011c, 2011d; Blanchard, 2011. 2 Other bases were excluded from the database for other reasons: St. Helena Airfield, Klein Brogel

  3. 1. Photocopy of photograph (Original in collection of Historical Society ...

    Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

    1. Photocopy of photograph (Original in collection of Historical Society of Montana) EARLY PHOTOGRAPH (PRIOR TO 1936) SHOWING MAIN AND SIDE ELEVATIONS. THE LARGE CHIMNEYS WERE REMOVED AFTER THE 1935 EARTHQUAKE - Old Governors Mansion, 304 North Ewing Street, Helena, Lewis and Clark County, MT

  4. Halley, Edmond (1656-1742)

    NASA Astrophysics Data System (ADS)

    Murdin, P.

    2000-11-01

    Astronomer and scientist, born in Hagerston, Shoreditch (near London), became professor at Oxford and second Astronomer Royal at the Royal Observatory, Greenwich. From the island of St Helena, he cataloged the positions of about 350 southern hemisphere stars (Catalogus Stellarum Australium), including his own discovery of the globular cluster Omega Centauri; he also discovered the globular cluste...

  5. 33 CFR 334.290 - Elizabeth River, Southern Branch, Va., naval restricted areas.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... ENGINEERS, DEPARTMENT OF THE ARMY, DEPARTMENT OF DEFENSE DANGER ZONE AND RESTRICTED AREA REGULATIONS § 334... Area. Beginning at a point at St. Helena Annex of the Norfolk Naval Shipyard, on the eastern shore of... channel to latitude 36°49′28″, longitude 76°17′27″; thence easterly to the shore at latitude...

  6. 33 CFR 334.290 - Elizabeth River, Southern Branch, Va., naval restricted areas.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... ENGINEERS, DEPARTMENT OF THE ARMY, DEPARTMENT OF DEFENSE DANGER ZONE AND RESTRICTED AREA REGULATIONS § 334... Area. Beginning at a point at St. Helena Annex of the Norfolk Naval Shipyard, on the eastern shore of... channel to latitude 36°49′28″, longitude 76°17′27″; thence easterly to the shore at latitude...

  7. 78 FR 44538 - Caribbean Fishery Management Council; Public Meetings

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-24

    ... Fishery Management Council, 270 Mu oz Rivera Avenue, Suite 401, San Juan, Puerto Rico 00918; telephone... Velazquez and Helena Antoun Don't Stop Talking Fish Video for the USVI--Lia Ortiz, Franklin Fullock and... Avenue, Suite 401, San Juan, Puerto Rico, 00918, telephone (787) 766-5926, at least 5 days prior to...

  8. 77 FR 58902 - Louisiana Disaster #LA-00049

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-09-24

    .../13/2012. Economic Injury (EIDL) Loan Application Deadline Date: 06/12/2013. ADDRESSES: Submit... Helena, Saint James, Saint Mary, Saint Tammany, Tangipahoa, Terrebonne, Washington. The Interest Rates... Non-Profit Organizations Without Credit Available Elsewhere 3.000 For Economic Injury:...

  9. ZERO-VALENT IRON PRB APPLICATION EXPANDS TO ARSENIC REMOVAL

    EPA Science Inventory

    The U.S. EPA Office of Research and Development’s National Risk Management Research Laboratory (NRMRL) and Region 8 have begun evaluating performance of a pilot-scale permeable reactive barrier (PRB) to treat arsenic-contaminated ground water at the ASARCO Superfund near Helena, ...

  10. Multiply Math Skills with Literature. Literature Letter.

    ERIC Educational Resources Information Center

    Stoodt, Barbara D.

    1995-01-01

    This column discusses five children's books selected to develop math concepts involving problem solving, reasoning, and communication. The books are "Only One" (Marc Harshman); "The Librarian Who Measured the Earth" (Kathryn Lasky); "Counting Jennie" (Helena C. Pittman); "The Search for Delicious" (Natalie Babbitt); and "The Toothpaste…

  11. Kiddie Algebra

    ERIC Educational Resources Information Center

    Cavanagh, Sean

    2009-01-01

    As educators and policymakers search for ways to prepare students for the rigors of algebra, teachers in the Helena, Montana, school system are starting early by attempting to nurture students' algebraic-reasoning ability, as well as their basic number skills, in early elementary school, rather than waiting until middle or early high school.…

  12. Toward a Borderlands Ethics: The Undocumented Migrant and Haunted Communities in Contemporary Chicana/o Fiction

    ERIC Educational Resources Information Center

    Ramirez, Pablo A.

    2010-01-01

    By reading Helena Maria Viramontes's "Cariboo Cafe" and Daniel Chacon's "Godoy Lives," this essay argues that Chicana/o fiction articulates what I call a "borderlands ethics." Both Viramontes and Chacon give the undocumented migrant the power to merge the United States and Latin America, self and other, citizen and…

  13. Theory and Research Section. Education and Research Division. Papers.

    ERIC Educational Resources Information Center

    International Federation of Library Associations, The Hague (Netherlands).

    Papers on research in library science and the exhibition of library materials which were presented at the 1982 International Federation of Library Associations (IFLA) conference include: (1) "Terminological Problems of Networks," a discussion by Helena Kolarova Palkova of the meaning of "library networks" and…

  14. Representations of Mexican American Migrant Childhood in Rivera's "...y no se lo trago la tierra" and Viramontes's "Under the Feet of Jesus"

    ERIC Educational Resources Information Center

    Beck, Scott A.; Rangel, Dolores E.

    2009-01-01

    This article gives an analysis of two books: Thomas Rivera's "...y no se lo trago la tierra" and Helena Maria Viramontes's "Under the Feet of Jesus". The two books are strong and important literary texts that stand in close relation to each other. Both texts treat the subject of migrant childhood by affirming central themes of Chicano literature.…

  15. 40 CFR 52.1375 - Control strategy: Lead.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ... 40 Protection of Environment 4 2010-07-01 2010-07-01 false Control strategy: Lead. 52.1375 Section...) APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS (CONTINUED) Montana § 52.1375 Control strategy: Lead. Determination—EPA has determined that the East Helena Lead nonattainment area has attained the lead...

  16. 40 CFR 52.1375 - Control strategy: Lead.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 40 Protection of Environment 4 2013-07-01 2013-07-01 false Control strategy: Lead. 52.1375 Section...) APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS (CONTINUED) Montana § 52.1375 Control strategy: Lead. Determination—EPA has determined that the East Helena Lead nonattainment area has attained the lead...

  17. 40 CFR 52.1375 - Control strategy: Lead.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 40 Protection of Environment 4 2012-07-01 2012-07-01 false Control strategy: Lead. 52.1375 Section...) APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS (CONTINUED) Montana § 52.1375 Control strategy: Lead. Determination—EPA has determined that the East Helena Lead nonattainment area has attained the lead...

  18. 40 CFR 52.1375 - Control strategy: Lead.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 40 Protection of Environment 4 2011-07-01 2011-07-01 false Control strategy: Lead. 52.1375 Section...) APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS (CONTINUED) Montana § 52.1375 Control strategy: Lead. Determination—EPA has determined that the East Helena Lead nonattainment area has attained the lead...

  19. 40 CFR 52.1375 - Control strategy: Lead.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 40 Protection of Environment 4 2014-07-01 2014-07-01 false Control strategy: Lead. 52.1375 Section...) APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS (CONTINUED) Montana § 52.1375 Control strategy: Lead. Determination—EPA has determined that the East Helena Lead nonattainment area has attained the lead...

  20. The Challenge To Be Relevant in the 21st Century: Abstracts and Full Text Documents of Papers and Demos Given at the [International Association of Technological University Libraries] IATUL Conference (Pretoria, South Africa, June 1-5, 1998), Volume 18.

    ERIC Educational Resources Information Center

    International Association of Technological Univ. Libraries, Gothenburg (Sweden).

    This proceedings of the 1998 conference of the International Association of Technological University Libraries (IATUL) contains the full text of the following papers: "A Library Ready for 21st Century Services: The Case of the University of Science and Technology (UST) Library, Kumasi, Ghana" (Helena Rebecca Asamoah-Hassan);…

  1. Languages in Elementary Schools. International Education Series.

    ERIC Educational Resources Information Center

    Muller, Kurt E., Ed.

    Ten essays address aspects of second language instruction at the elementary school level: "Elementary School Foreign Languages: Perspectives, Practices, and Promises" (Carol Ann Pesola, Helena Anderson Curtain); "The Integrated Curriculum: Rethinking the Elementary School Foreign Language Program for the '90s" (Virginia…

  2. The Philippine Insurrection: The U.S. Navy in a Military Operation Other Than War, 1899-1902

    DTIC Science & Technology

    2004-12-01

    Parañaque. Outnumbered and overwhelmed, the small gunboat Barcelo was sent to assist the army in their retreat. The Barcelo’s efforts drove the...Helena, Barcelo , Mindoro, Gardoqui, Manila, Callao, and Basco, the expedition steamed up the Orani River to the wreck of the Urdaneta. Gunfire from

  3. AS SPECIATION AND EFFECTS OF PH AND PHOSPHATE ON THE MOBILIZATION OF AS IN SOILS FROM A LEAD SMELTING SITE. PUBLISHED IN ADVANCED PHOTON SOURCE ACTIVITY REPORT 2003.

    EPA Science Inventory

    Arsenic in soils from the Asarco lead smelter in East Helena, Montana was characterized by X-ray absorption spectroscopy (XAS). Arsenic oxidation state and mineralogy were analyzed as a function of depth and surface distribution using bulk and microprobe XAS. These results were c...

  4. 77 FR 44310 - Quarterly Publication of Individuals, Who Have Chosen To Expatriate, as Required by Section 6039G

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-07-27

    ... PAMELA LYN MCKEE DINU SURESCU DUBS CHRISTIAN PAUL DUPONT-WILNER CATHERINE ANN EDESSARY SWETHA EREZ DAPHNE... ANGELA ELISABETH KUEBLER PHILIP MARC LAMBA ROMNESH LAU KA SHI BETSY LAUTERBURG BERNHARD HANS LAW ALICE... JAMES PATALE AMEY SUNIL PENNER MARTHA LEE PROCTOR ROSEMARY HELENA PU HAI PUESCHEL GUNTER PAUL...

  5. Proceedings of the Annual Meeting of the Association for Education in Journalism and Mass Communication (83rd, Phoenix, Arizona, August 9-12, 2000). Minorities and Communication Division.

    ERIC Educational Resources Information Center

    Association for Education in Journalism and Mass Communication.

    The Minorities and Communication Division section of the proceedings contains the following 10 papers: "Gender Stereotypes and Race in Music Videos: Cultivating Unreality" (Helena K. Sarkio); "Copycats, Conspirators and Bigots: Themes in Southern, Northern and Western Newspaper Editorial Portrayals of the Black Church-Burning…

  6. Second Language Acquisition: Preparing for Tomorrow. Selected Papers from the Annual Meeting of the Central States Conference on the Teaching of Foreign Languages (Milwaukee, Wisconsin, April 3-5, 1986).

    ERIC Educational Resources Information Center

    Snyder, Barbara, Ed.

    A collection of papers on second language instruction includes: "The Immersion Approach: Principle and Practice" (Helena Anderson Curtain); "Authentic Camera-Produced Materials for Random-Access Video Delivery" (Francis Lide, Barbara Lide); "Listening: What's Really Going on in the Classroom?" (Donna Reseigh Long); "Listening and Learning:…

  7. ETV REPORT: EVALUATION OF HYDROMETRICS, INC., HIGH EFFICIENCY REVERSE OSMOSIS (HERO™) INDUSTRIAL WASTEWATER TREATMENT SYSTEM

    EPA Science Inventory

    Hydrometrics, founded in 1979 and located in Helena, MT, manufactures a commercial-ready High Efficiency Reverse Osmosis (HERO™) industrial wastewater treatment system. The system uses a three-stage reverse osmosis process to remove and concentrate metals for recovery while prod...

  8. Microbial Activity In The Peerless Jenny King Sulfate Reducing Bioreactor System (Presentation)

    EPA Science Inventory

    The Peerless Jenny King treatment system is a series of four sulfate reducing bioreactor cells installed to treat acid mine drainage in the Upper Tenmile Creek Superfund Site located in the Rimini Mining District, near Helena MT. The system consists of a wetland pretreatment fol...

  9. Microbial Activity In The Peerless Jenny King Sulfate Reducing Bioreactors System

    EPA Science Inventory

    The Peerless Jenny King treatment system is a series of four sulfate reducing bioreactor cells installed to treat acid mine drainage in the Upper Tenmile Creek Superfund Site located in the Rimini Mining District, near Helena, MT. The system consists of a wetland pretreatment fo...

  10. Benign Breast Disease: Toward Molecular Prediction of Breast Cancer Risk

    DTIC Science & Technology

    2009-06-01

    An Analysis of Breast Cancer Risk in Women With Single, Multiple, and Atypical Papilloma Jason T . Lewis, MD,* Lynn C. Hartmann, MD,t Rober! A...beltavior. From the Divisions of *An3lomic Pathology, t Medical Onoology; and t Biostatisti<:s, Mayo Clinic, Rochester, MN 55905. Repri nts: Dr Jason ...probabilities for brea.<r cancer-susceptibility gertes 13RCAI and BRCA2. Am J ll um Genet: 62:145-58. I �. 19. Berry DA, Iversen Jr ES, Gutfbjartsson

  11. Department of Defense Base Structure Report (A Summary of DoD’s Real Property Inventory). Fiscal Year 2003 Baseline

    DTIC Science & Technology

    2003-01-01

    369,662 24 24 79.1 18 0 0 18Army Active Camp Morena CAMPO 91906 26 60,297 62 62 11.5Army Guard Fresno FRESNO 93727 2 87,033 48 48 17.5 351 0 0 351559...2 104,331 15 15 23.2 449 0 0 449410-653-1129Army Guard Pvt Henry Costin LAUREL 20708 3 61,952 23 23 10.3 303 0 0 303Army Guard 1Sg Adam S Brandt USARC...HELENA 59601 4 159,122 1 9,600 55 48.9 373 0 0 373406-841-3259Army Guard MTA Fort Wm Henry Harrison HELENA 59601 108 648,425 6,150 3,625 146.6 261 0 0

  12. Sources of oceanic basalts: radiogenic isotopic evidence

    SciTech Connect

    White, W.M.

    1985-02-01

    Oceanic basalts can be subdivided into five distinct groupings on the basis of their Sr, Nd, and Pb isotope composition. These classes, represented by mid-ocean ridge basalts (MORB) and St. Helena, Kerguelen, the Society Islands, and the Hawaiian Islands, may represent different but internally heterogeneous mantle reservoirs or merely distinct groups within which chemical evolution has proceeded in a similar manner. Little systematic geographic distribution of volcanism tapping these sources is apparent. Depletion has been most important in the evolution of the MORB-type reservoirs, whereas crustal recycling has dominated the evolution of sources of the Kerguelen and Society types. Primitive mantle is identifiable in the Sr, Nd, Hf, and Pb isotope characteristics of the Hawaiian source only. The evolution of St. Helena-type sources remains enigmatic. 33 references, 2 figures.

  13. Underwater Cultural Resources Survey for Contraction Dikes at Red Eye Crossing, Mississippi River, Baton Rouge to the Gulf of Mexico, Louisiana

    DTIC Science & Technology

    1993-06-01

    the project vicinity: Philip Hickey (son of Daniel Hickey) and George Mathers, Sr. These two men were trusted friends of Governor de Lassus, who sent...divided into the parishes of East Baton Rouge, Feliciana, Saint Helena, and Saint Tammany. Claibome appointed George Mather district judge for Baton Rouge...survey listed many of the same claimant names noted on the ca. 1810 Spanish survey, including Philip and Daniel Hickey, George Mather, and the

  14. Isozyme Variation in Simulium (Edwardsellum) Damnosum S.L. (Diptera: simuliidae) from Kenya

    DTIC Science & Technology

    1987-06-01

    modifications for blackflies (see Mebrahtu et al. allele at a single locus (e.g., PG) were used to 1986). Electrophoresis equipment (Helena Lab... blackfly (Simuliidae: Diptera) larvae and an intraspecific enzyme polymorphism. Mere- pupae found in Ethiopia. Sinet: Ethiop. J. Sci. 2: dith and Townson...1970. Biology of immature stages of -of hlackflies in Simulium venustum and verecundum blackflies in parts of East Africa with special refer- species

  15. Analysis of Strong-Motion Data from the Mount Borah, Idaho, Earthquake of 28 October 1983.

    DTIC Science & Technology

    1985-05-01

    H ELJ.NA DwrsakDa \\ 0 12. 󈧖, 31 OCT 1935 +4-1 S E. OF HELENA 4 27 JUNEf 1925 + ~+ QD UTTE 4-0 Y ELLOW STON E/ ~ S. W MONTANA l.EEBG EjN 1 U 0 S~F? 3...Hampshire Earthquake of 18 January 1982," NUREG /CR-3327, US Nuclear Regulatory Commission, Washington, DC. Converse, A. M. 1983. "User’s Manual for the

  16. Complete Bouguer gravity and aeromagnetic maps of the Rattlesnake Roadless Area, Missoula County, Montana

    USGS Publications Warehouse

    Kulik, Dolores M.

    1986-01-01

    The rocks in the study area consist mainly of the Helena Formation and the Missoula Group of the Belt Supergroup (Proterozoic Y).  Rock units of less importance are diabase sills and dikes of probable Proterozoic Z age, Middle Cambrian rocks, and glacial deposits.  Structurally, the study area consists of the Rattlesnake thrust system in the south part and a parautochthonous area broken by vertical faults in the north part.

  17. The Magnetic Observatory Buildings at the Royal Observatory, Cape

    NASA Astrophysics Data System (ADS)

    Glass, I. S.

    2015-10-01

    During the 1830s there arose a strong international movement, promoted by Carl Friedrich Gauss and Alexander von Humboldt, to characterise the earth's magnetic field. By 1839 the Royal Society in London, driven by Edward Sabine, had organised a "Magnetic Crusade" - the establishment of a series of magnetic and meteorological observatories around the British Empire, including New Zealand, Australia, St Helena and the Cape. This article outlines the history of the latter installation, its buildings and what became of them.

  18. Chronostratigraphic and paleoclimatic data for Quaternary loessial and fluvial deposits in the Mississippi River Valley of Arkansas and Tennessee

    SciTech Connect

    Markewich, H.W. ); Millard, H.T. Jr. ); Pavich, M.J. ); Rodbell, D.T. ); Rich, F.J. ); Rutledge, E.M. ); Ward, L. . Soil Conservation Service); Van Valkenberg, S. ); Wysocki, D. . Soil Conservation Service)

    1992-01-01

    Ongoing investigations into Quaternary paleoclimates of the Mississippi River Valley in eastern Arkansas and western Tennessee include age estimations using [sup 14]C, [sup 10]Be, thermoluminescent (TL), and optically stimulated luminescent (OSL) analyses; compositional studies using petrographic and diffractometer analyses; pedological analyses with complete characterization studies; and magnetic susceptibility measurements with laboratory analyses to investigate the source of the magnetism. Preliminary data on composition of the < 63-micron fraction, thickness, and age of the loesses and associated paleosols are available from selected stratigraphic sections that are being described and sampled in detail. These data suggest the following: (1) overall thickness of loess, as well as thickness of each loess sheet, decreases by one-half to two-thirds within the 96-km distance from the south end of Crowleys Ridge near Helena, AR northward to Forest City, AR and Memphis, TN; (2) near Helena, loess thicknesses are 25 to 30 m, 7 m, 6 m, and 6 m for the Peoria, Roxana, Loveland, and Crowleys Ridge respectively; (3) the depth of weathering in the Peoria ranges from 4.5 to 8.5 m near Helena, depending on slope position; (4) at the south end of Crowleys Ridge, near Helena, the Roxana has two associated paleosols and an intervening layer of weathered parent material; (5) isotopic data suggest that (a) loess deposition took place between 4,500 ka and 10 ka and that (b) each younger disconformity represents less time than the one before; (6) the predominantly illite and illite/smectite mineralogy of the paleosols, even that of the Sangamon soil, suggests minimal weathering of labile loessial minerals prior to pedogenic development; (7) pollen data indicate that by 10 ka this part of the valley had vegetation indicative of a cool temperate climate, with minimal cypress and no boreal components.

  19. Hezbollah: A Charitable Revolution

    DTIC Science & Technology

    2008-10-01

    73 Anthony H. Cordesman, "Preliminary "Lessons" of the Israeli-Hizbollah War," Center for Strategic and... riba ) and the prohibition of trading in risk or speculation (gharar).197 Instead of banks making money from interest charges to customers they enter...with I.B. Tauris & Co, 2006. Cobban, Helena. The Making of Modern Lebanon. Boulder, Colo: Westview Press, 1985. Cordesman, Anthony H. "Preliminary

  20. Maskelyne, Nevil (1732-1811)

    NASA Astrophysics Data System (ADS)

    Murdin, P.

    2000-11-01

    Astronomer Royal, born in London, England, his interest in astronomy had begun after seeing the eclipse of 1748. After a mathematics education at Cambridge, he was sent by the Royal Society in 1761 to St Helena to observe the transit of Venus. In 1764 he traveled to Barbados, testing JOHN HARRISON's chronometer, and was appointed Astronomer Royal on his return. He initiated publication of the Nau...

  1. The Evacuation and Relocation of the West Coast Japanese during World War II--How It Happened

    DTIC Science & Technology

    1991-04-05

    Idaho; Helena and Havre , Montana; and in Salt Lake City, Utah. By October 1942 some 10,000 evacuees were scattered throughout the intermountain area...While there would be a steady stream of final departures from the relocation centers during the summer months of 1943 and 1944 , the WRA objective for...remained at Manzanar until additional facilities could be built at Tule Lake. These evacuees were eventually moved to Tule Lake in the early spring of 1944

  2. Proposed Closure of Myrtle Beach AFB, South Carolina

    DTIC Science & Technology

    1990-07-01

    Boardman Richard H. Arroyo Mrs. F. Boardman Myron H. Asato Thomas G. Bock Eugene Askenasy Kathleen Bolger Patricia A. Atchley Carol J. Borges Ray D...Howard R. Moote Rachel E. Perea Sarah S. More Helena J. Perez Julia E. Morelos, Jr. Frank Petta, Jr. Jose Martinez Moreno Caren Pettitt Raul T. Moreno...Oberto Phil Rice C-17 Patricia V. Richardson Enrique G. Serna Candy Richichi Luis E. Serrano Paul S. Richman Wally Sevits Lucille E. Ricks Cindi Shanas

  3. The Effects of U.S. National Security Strategy on Force Structure and the National Industrial Base: 1945-1960

    DTIC Science & Technology

    2014-05-22

    statistics, tax codes, health care structures, and national debt. The effects of the decisions made by President Obama when shaping these and other...requests as Chinese attacks began to punish Eighth Army troops, the plan, code- named OPERATION PINK , was to combat load an entire division’s worth of...future Cabinet while aboard the USS Helena in December 1952 was clear: end the Korean War, balance the budget, and reduce taxes while continuing many

  4. Mesoproterozoic juvenile mafic-ultramafic magmatism in the SW Amazonian Craton (Rio Negro-Juruena province): SHRIMP U-Pb geochronology and Nd-Sr constraints of the Figueira Branca Suite

    NASA Astrophysics Data System (ADS)

    Teixeira, Wilson; Geraldes, Mauro C.; D'Agrella-Filho, Manoel S.; Santos, João O. S.; Sant'Ana Barros, Márcia A.; Ruiz, Amarildo S.; Corrêa da Costa, Paulo C.

    2011-12-01

    The Figueira Branca Suite (FBS) comprises a layered mafic-ultramafic complex which together with mafic-felsic plugs makes up a string of NW-trending intrusive bodies that are emplaced into the Jauru domain (Rio Negro-Juruena province; 1.80-1.60 Ga). This domain comprises Orosirian calc-alkaline rocks and coeval metamorphic volcanic-sedimentary associations, intruded by voluminous granitoid plutons resulted from outboard Cachoeirinha (1587-1522 Ma) and Santa Helena (1485-1420 Ma) accretionary orogens that eventually created the Rondonian-San Ignacio province along the SW margin of the proto-Amazonian Craton. SHRIMP U-Pb age in zircon for one cumulatic gabbro from the FBS yielded a concordia intercept age of 1425.5 ± 8.0 Ma (MSWD = 1.11). Another gabbroic plug which crops out to the East gives a similar within error concordia intercept zircon age of 1415.9 ± 6.9 Ma (MSWD = 0.25), whereas a nearby monzogranite yields a concordia intercept zircon age of 1428.9 ± 2.8 Ma (MSWD = 1.30). All these results are crystallization ages and constrain an important intraplate magmatic event within the Orosirian continental crust at the time of outboard Santa Helena orogen. On the other hand, igneous titanite from another gabbro located to the West of the FBS yielded a weighted mean 207Pb/ 206Pb crystallization age of 1541 ± 23 Ma (MSWD = 0.74). Therefore this rock is not genetically associated with the FBS, as previously suggested by the field information. Additional Nd-Sr isotopic analyses of the FBS mafic-ultramafic rocks and coeval gabbro showed comparable ɛNd(1.42Ga) values (+3.0 to +4.7) and variable ɛSr(1.42Ga) ones (-39.1 to -8.1). These data plot in the depleted field quadrant of the Nd-Sr diagram, indicating a significant influence of the MORB end-member reservoir in the magma genesis. This interpretation is similarly supported by comparison of the Nd evolutionary path of the FBS with those that characterize the isotopic evolution of the Jauru crust and the

  5. Dynamics of oxygen depletion in the nearshore of a coastal embayment of the southern Benguela upwelling system

    NASA Astrophysics Data System (ADS)

    Pitcher, Grant C.; Probyn, Trevor A.; du Randt, Andre; Lucas, Andrew. J.; Bernard, Stewart; Evers-King, Haley; Lamont, Tarron; Hutchings, Larry

    2014-04-01

    Acquisition of high resolution time series of water column and bottom dissolved oxygen (DO) concentrations inform the dynamics of oxygen depletion in St Helena Bay in the southern Benguela upwelling system at several scales of variability. The bay is characterized by seasonally recurrent hypoxia (<1.42 ml l-1) associated with a deep pool of oxygen-depleted water and episodic anoxia (<0.02 ml l-1) driven by the nearshore (<20 m isobath) decay of red tide. Coastal wind forcing influences DO concentrations in the nearshore through its influence on bay productivity and the development of red tides; through shoreward advection of the bottom pool of oxygen-depleted water as determined by the upwelling-downwelling cycle; and through its control of water column stratification and mixing. A seasonal decline in bottom DO concentrations of ˜1.2 ml l-1 occurs with a concurrent expansion of the bottom pool of oxygen depleted water in St Helena Bay. Upwelling of this water into the nearshore causes severe drops in DO concentration (<0.2 ml l-1), particularly during end-of-season upwelling, resulting in a significant narrowing of the habitable zone. Episodic anoxia through the entire water column is caused by localized degradation of red tides within the confines of the shallow nearshore environment. Oxygenation of the nearshore is achieved by ventilation of the water column particularly with the onset of winter mixing. No notable changes are evident in comparing recent measures of bottom DO concentrations in St Helena Bay to data collected in the late 1950s and early 1960s.

  6. Helium- and lead-isotope geochemistry of oceanic volcanic rocks from the East Pacific and South Atlantic. Doctoral thesis

    SciTech Connect

    Graham, D.W.

    1987-01-01

    Glassy basalts erupted at young Pacific seamounts and along the mid-ocean ridge in the South Atlantic, and volcanic rocks from the island of St. Helena were studied for He and Pb isotopes. (U+TH)/He ages of seamount alkali basalts were determined from the isotope disequilibrium of (3)He/(4)He between He trapped in vesicles and that dissolved in the glass phase. The method allows alkalic lavas to be dated in the age range of 103 to 106 years. Tholclites at the EPR seamounts have He, Pb, Sr and Nd isotope compositions indistinguishable from MORB, while associated alkali basalts show more radiogenic signatures. The low (3)He/(4)He in the vesicles of alkali basalts (1.2-2.6 RA), their low helium concentrations, and systematic variations with extent of differentiation suggest that magmatic processes influence (3)He/(4)He in these alkalic lavas. Pb-Sr-Nd isotopes at Shimada seamount (17 deg N, 117 deg W) indicate the presence of enriched mantle beneath the East Pacific which resembles that beneath Samoa. Low (3)He/(4)He (4-5 RA) appears to be an inherent characteristic of the component. Much of the South Atlantic ridge axis displays (3)He/(4)He lower than normal MORB, and is apparently contaminated by off-axis hotspots. He-Pb systematics along the ridge suggest that (3)He/(4)He at St. Helena is less than MORB, consistent with values measured by in vacuo crushing of olivine and pyroxene in St. Helena rocks (approx. 5.8 RA).

  7. Evolution and stratigraphy of a sandy tidal-flat complex within a Mesotidal embayment

    SciTech Connect

    McCants, C.Y.; Zarillo, G.A.

    1985-02-01

    Sand-dominated intertidal environments in St. Helena Sound, South Carolina, a mesotidal estuarine system, can be divided into a continuum of barlike deposits dominated by tidal flows and sheetlike deposits of sandy tidal flats that are influenced by both waves and currents. A large sand flat attached to a marsh-island complex in the central interior of St. Helena Sound resembles a large flood-tidal delta and has been reworked by waves and migrating ebb-dominated tidal channels. The lower tidal flat (flood ramp) is composed of coarse to medium sand mixed with shell material. Large-scale planar cross-beds are formed by flood-oriented sand waves. Middle tidal-flat deposits consist of fine to very fine sand where burrowing by intertidal fauna disrupts structures of intermediate to small-scale bed forms generated by both waves and tidal currents. The muddy, fine-grained sands of the upper tidal flat are reworked by wave-generated small-scale ripples and are partially bioturbated. A salt marsh-chenier complex, landward of the upper tidal flat, has prograded over older portions of the sand flat during earlier regressive phases. Evolution of the St. Helena Sound sand flats began with a transgressive phase marked by a transgressive lag deposit dated at 4200 yr B.P., overlying Pleistocene estuarine, mud-flat, and salt-marsh deposits. Sediment for buildup of the sand flats was derived from reworking of surrounding barrier-island sands by migrating tidal channels. Sand was introduced into the lower tidal flat by swash-bar accumulation or strong flood-tidal currents. Building of the sand-flat sequence and development of the overlying salt marsh-chenier complex occurred episodically due to minor fluctuations in sea level. At present, the sand-flat sequence is in a transgressive phase and is being reworked by migrating tidal channels and the seawardmost chenier is subject to frequent overwashing.

  8. Shelf to basin transition in Middle Ordovician carbonates in Alabama Appalachians

    SciTech Connect

    Benson, D.J.

    1986-05-01

    In the Alabama valley and ridge, Middle Ordovician carbonates are exposed in two northeast-southwest-trending outcrop belts separated by the Helena fault. Northwest to southeast transits across these outcrop belts illustrate a well-defined shallow to deep water transition. West of the Helena fault, the Middle Ordovician is represented by a transgressive-regressive sequence of peritidal and shallow subtidal carbonates of the Chickamauga Limestone, deposited in tidal-flat, low-energy open-shelf, and high-energy shoal environments. Tidal-flat deposits consist of peloidal and intraclastic wackestones and packstones containing abundant exposure indicators. These grade into light-colored, skeletal wackestones and packstones containing a diverse faunal assemblage rich in algae, indicating deposition in a shallow, low-energy, open-shelf setting. High energy shoal deposition is represented by a 20-80 ft thick sequence of cross-bedded skeletal grainstone. Included within the grainstone are pods of bryozoan-sponge-algal bafflestone and bindstone that represent small mud-rich bioherms. East of the Helena fault, the Middle Ordovician series consists of deeper water carbonates of the Lenoir and Little Oak Limestones and graptolitic shales of the Athens Formation. The Lenoir and Little Oak are composed of dark-colored, even-bedded, skeletal wackestones which, with the exception of scattered Nuia, lack algae, indicating deposition in the deeper part of the photic zone. These wackestones grade southeastward into very finely laminated, argillaceous mudstones and calcareous shales of the Athens Formation. The Athens is dark colored, organic-rich, lacking in bottom-dwelling fauna, and contains common synsedimentary slump structures suggesting deposition in an anoxic, lower slop environment.

  9. Floods of May 1981 in west-central Montana

    USGS Publications Warehouse

    Parrett, Charles; Omang, R.J.; Hull, J.A.; Fassler, John W.

    1982-01-01

    Extensive flooding occurred in west-central Montana during May 22-23, 1981, as a result of a series of rainstorms. Flooding was particularly severe in the communities of East Helena, Belt, and Deer Lodge. Although no lives were lost, total flood damages were estimated by the Montana Disaster Emergency Services Division to be in excess of $30 million. Peak discharges were determined at 75 sites in the flooded area. At 25 sites the May 1981 peak discharge exceeded the computed 100-year frequency flood, and at 29 sites, where previous flow records are available, the May 1981 peak discharge exceeded the previous peak of record. (USGS)

  10. Elemental contents in Napoleon's hair cut before and after his death: did Napoleon die of arsenic poisoning?

    PubMed

    Lin, Xilei; Alber, D; Henkelmann, R

    2004-05-01

    Whether or not Napoleon died of arsenic poisoning is an open question on which debate has been active since 1960. This work examined several of his hairs, cut at different times and in different places: two pieces cut the day after his death on the island of St. Helena (1821) and two pieces cut seven years earlier (1814) during his first exile on the island of Elba. INAA results show that all of the samples of Napoleon's hair have an elevated arsenic concentration. These results disfavor the arsenic poisoning theory. Aside from arsenic, 18 other elements are reported, providing additional information for examining the arsenic poisoning theory.

  11. Revision of the Neotropical genus Carvalhoiella De Carlo (Heteroptera: Nepomorpha: Naucoridae).

    PubMed

    Rodrigues, Higor D D; Sites, Robert W; Giehl, Nubia F S

    2016-07-18

    The genus Carvalhoiella De Carlo, 1963 includes saucer bugs (Heteroptera: Naucoridae) that live predominantly on the vertical rocks next to falls and cascades of waterfalls. Thus far, it has been recorded only in South America and includes three described species. In the present paper, based on type specimens and additional material, we present detailed distributions and diagnostic information of the three described species of Carvalhoiella and the descriptions of two new species from central-western Brazil: C. acuminata sp. nov. and C. helenae sp. nov. An illustrated taxonomic key also is presented.

  12. [From the influence of genes to the influence of family and urban environment on the nutritional status, activity, and physical condition of european urban adolescents].

    PubMed

    Beghin, Laurent; Vanhelst, Jérémy; Deplanque, Dominique; Gonzales-Gross, Marcela; De Henauw, Stefaan; Moreno, Luis A; Gottrand, Frédéric

    HELENA was a cross-sectional study carried out from 2006 to 2007 in more than 3500 adolescents aged from 12.5 to 17.5 years old through 10 Europeans towns from 9 countries. Its objective was to assess adolescent nutritional status including: body composition, biological markers, physical activity and fitness. This study shown the high impact of socio-economic condition, life style and personal and collective environment, dietary pattern (including breastfeeding), some genetic mutations involved in adiposity and metabolism, physical activity level and fitness on adolescent nutritional status.

  13. In Vitro Study of Hexahydro-1,3,5-Trinitro-1,3,5-Triazine (RDX) Metabolism in Human Liver

    DTIC Science & Technology

    2008-10-01

    Casarett & Doull ’s Toxicology: The Basic Science of Poisons (2001) by Curtis D. Klaassen 6111 Edition, Chapter 13, The McGraw-Hill Companies, lnc. e. Lev...Rhodococcus sp. Strain DN22, Applied and Environ. Micro. 69(3): 1347-51. c. Helena M. B. Seth-Smith (2002): MICROBIAL DEGRADATION OF RDX, Ph.D. thesis...Li of In Vitro ADMET Laboratories, LLC, Rockville, MD )> Dr. David Kwok of Biopharmaceutical Research Inc, Canada )> Oliver Curtis and Michael Hable of Directorate of Laboratory Sciences, US Army CHPPM 17

  14. How Montana's deepest hole cut Mississippian carbonates underneath Precambrian belt

    SciTech Connect

    Peterson, C.H.; Nims, R.C. )

    1992-08-03

    This paper discusses the Unocal i-B30 Federal Canyon Creek well drilled in the Montana thrust belt about 27 miles northwest of Helena to test Mississippian carbonates in a seismic structure in the footwall of the Eldorado thrust. The well penetrated more than 12,000 ft of thrusted Precambrian belt metasedimentary rocks before encountering a faulted and fractured footwall section of Cretaceous through Mississippian shales, sandstones, and carbonates. The 1-B30 well demonstrated that a more complex duplex structure was present under the Eldorado thrust and that the Madison was deeper than anticipated with a true vertical depth of 16,688 ft.

  15. The distribution of zirconium and hafnium in terrestrial rocks, meteorites and the moon

    NASA Technical Reports Server (NTRS)

    Ehmann, W. D.; Chyi, L. L.; Garg, A. N.; Ali, M. Z.

    1979-01-01

    It is shown that Zr and Hf are not always fractionated in terrestrial igneous differentiation or regional metamorphism. Data do support a Zr-Hf fractionation in the differentiation of the alkali olivine magma at St. Helena Island. A strong Zr-Hf fractionation exists among lunar rocks and minerals. Ilmenite is an excellent concentrator of Zr and Hf and always exhibits high Zr/Hf ratios. Chondritic meteorites exhibit rather uniform Zr abundances and Zr/Hf ratios but a distinct Zr-Hf fractionation is observed among the eucrite and diogenite achondrites.

  16. Cryptalyra (Hymenoptera, Megalyridae) from Maranhão, Brazil: three new species discovered after a large collecting effort

    PubMed Central

    Kawada, Ricardo; Barbosa, Diego N.; Azevedo, Celso O.

    2014-01-01

    Abstract Cryptalyra is a small genus of megalyrid wasps with three described species confined to South America. Our main goal in this work is to record an increase in the known diversity, adding the three new species Cryptalyra helenae sp. n., Cryptalyra ichiroi sp. n. and Cryptalyra limeirai sp. n., from a single locality in Maranhão, Brazil that has been subjected to extraordinary collecting effort. We are providing a key for the species of the genus, as well as illustrations of the main structures for recognition of the new taxa. PMID:25349491

  17. A model for evaluation of satellite population management alternatives

    NASA Astrophysics Data System (ADS)

    Penny, R. E., Jr.; Jones, R. K.

    1983-12-01

    A Q-GERT model was developed to simulate the satellite environment, including the untracked man-made population, and to calculate a probability of collision for any satellite of interest. Provision for launches, explosions, collisions (including ASAT), retrieval, reposition, and decay was made. The model is structured to easily vary the rates at which these activities occur and to observe changes in the satellite population through which a satellite of interest must travel. Variance of the rates, and the resultant change in probability of collision allows evaluation of satellite population management alternatives such as reducing launch rates or increasing retrieval of spent, but still capable of exploding, satellites. The model is proposed for use by both the USAF SPACE COMMAND and NASA.

  18. Operations planning with VERT.

    PubMed

    Moeller, G L; Digman, L A

    1981-01-01

    The Venture Evaluation and Review Technique (VERT) is a computerized, mathematically oriented network-based simulation technique designed to analyze risk existing in three parameters of most concern to managers in new projects or ventures--time, cost, and performance. As such, the VERT technique is more powerful than techniques such as GERT, which are basically time and cost oriented. VERT has been successfully utilized to assess the risks involved in new ventures and projects, in the estimation of future capital requirements, in control monitoring, and in the overall evaluation of ongoing projects, programs, and systems. It has been helpful to management in cases where there is a requirement to make decisions with incomplete or inadequate information about the alternatives. An example describing the application of VERT to an operational planning problem--the evaluation of electric power generating methods--is illustrated.

  19. A Journal of travel of an astrophysicist

    NASA Astrophysics Data System (ADS)

    Gaina, Alex B.

    2015-06-01

    The authors is descibing personal impressions from a number of scientific conferences took between 1993 and 1998 in Trieste (ICTP,with the participation of 2 Nobel Laureats Winners: Professor Abdus Salam (1926-1996) and Professor Gert t'Hooft), Catania astrophysical Observatory and University (1995-JENAM 1995), Athens Observatory and University (1996-Wide Field Spectroscopy), Prague Technicke Museum (1996- Symposium "Mysterium Cosmographicum"),Prague technical University (1998 -JENAM 1998),which in fact contained also a trip to Nicolaus Copernicus Astronomical Center in Torun (Poland). Besides,some details on trips through Ukraine, Poland, Serbia, where a kind meeting with astronomers from Belgrade took place in 1995, former Yugoslav Countries: Monetnegro, Slovenija and Croatia, Bulgaria, where another meeting with physicists from the Academy of Sciences of Bulgaria took place has been given also.

  20. Earthquake damage to schools

    USGS Publications Warehouse

    McCullough, Heather

    1994-01-01

    These unusual slides show earthquake damage to school and university buildings around the world. They graphically illustrate the potential danger to our schools, and to the welfare of our children, that results from major earthquakes. The slides range from Algeria, where a collapsed school roof is held up only by students' desks; to Anchorage, Alaska, where an elementary school structure has split in half; to California and other areas, where school buildings have sustained damage to walls, roofs, and chimneys. Interestingly, all the United States earthquakes depicted in this set of slides occurred either on a holiday or before or after school hours, except the 1935 tremor in Helena, Montana, which occurred at 11:35 am. It undoubtedly would have caused casualties had the schools not been closed days earlier by Helena city officials because of a damaging foreshock. Students in Algeria, the People's Republic of China, Armenia, and other stricken countries were not so fortunate. This set of slides represents 17 destructive earthquakes that occurred in 9 countries, and covers more than a century--from 1886 to 1988. Two of the tremors, both of which occurred in the United States, were magnitude 8+ on the Richter Scale, and four were magnitude 7-7.9. The events represented by the slides (see table below) claimed more than a quarter of a million lives.

  1. Kinematics of thrust sheets within transverse zones: a structural and paleomagnetic investigation in the Appalachian thrust belt of Georgia and Alabama

    NASA Astrophysics Data System (ADS)

    Bayona, Germán; Thomas, William A.; Van der Voo, Rob

    2003-08-01

    Deformation styles of orogenic belts change along strike across transverse zones (TZs); hence, the kinematics of TZs is indispensable for three-dimensional restoration of thrust belts. We investigate the causes of deviation in strike of fold axes and fault surfaces in two TZs of the southern Appalachians using structural cross-sections and paleomagnetism. In the Rising Fawn TZ of Georgia, hanging-wall lateral-ramp folds yield paleomagnetic rotations and variation in magnitude of thrust translation. Plunge of folds, differential slip, and rotations are associated with lateral-ramp geometry and along-strike variation in the rheology and thickness of units that host lower and upper detachment levels. In Alabama, the internal geometry, strike, and paleomagnetic rotations of the Helena thrust sheet change across the Anniston TZ. These differences resulted from movement of the Helena thrust sheet over different footwall blocks and sub-décollement basement graben structures, and from differential slip along an oblique ramp. Rotations of thrust sheets within TZs occur where a thrust sheet was translated over: (1) an oblique/lateral ramp with contrasting rock strengths at lower and upper detachment levels, (2) a transverse basement fault that separates contrasting basement structural domains, and (3) intersections between frontal ramps and transverse structures. Because of the local causes of rotations in lateral structures, paleomagnetic and structural analyses of TZs are necessary for understanding the kinematics and restoration of both single thrust sheets and large-scale curves in thrust belts.

  2. Independent and Combined Effects of Physical Activity and Sedentary Behavior on Blood Pressure in Adolescents: Gender Differences in Two Cross-Sectional Studies

    PubMed Central

    de Moraes, Augusto César Ferreira; Carvalho, Heráclito Barbosa; Rey-López, Juan Pablo; Gracia-Marco, Luis; Beghin, Laurent; Kafatos, Anthony; Jiménez-Pavón, David; Molnar, Dénes; De Henauw, Stefaan; Manios, Yannis; Widhalm, Kurt; Ruiz, Jonatan R.; Ortega, Francisco B.; Sjöström, Michael; Polito, Angela; Pedrero-Chamizo, Raquel; Marcos, Ascensión; Gottrand, Frederic; Moreno, Luis A.

    2013-01-01

    Objectives To examine the independent and combined association of physical activity (PA) and sedentary behavior (SB) on both systolic (SBP) and diastolic blood pressure (DBP) in adolescents from two observational studies. Methods Participants from two cross-sectional studies, one conducted in Europe (n = 3,308; HELENA study) and the other in Brazil (n = 991; BRACAH study), were selected by complex sampling. Systolic and diastolic blood pressure (outcomes), PA and SB, both independently and combined, and potential confounders were analyzed. Associations were examined by multilevel linear regression. Results Performing the recommended amount of PA (≥60 min/d) attenuated the effect of SB on DBP in BRACAH study girls and in boys from both studies. In contrast, PA did not attenuate the effects of SB on the SBP of girls in the HELENA study. The combination of less than recommended levels of PA with 2–4 h/d of sedentary behavior was found to be associated with increased SBP in boys from both studies. Conclusions Meeting current PA recommendations could mediate the association between SB and DBP in both sexes. In boys, the joint effect of low levels of PA and excessive sedentary activity increases SBP levels. Longitudinal studies are required to confirm these findings. PMID:23650506

  3. Tectonic ancestry of central Montana and its influence on inversion tectonics

    SciTech Connect

    Woodward, L.A.

    1996-06-01

    Inversion tectonics, where structurally low areas become structurally high, has profound implications for hydrocarbon exploration. Effective exploration depends on understanding structures, timing, and controls on tectonic inversion. In central Montana tectonic inversion occurred three times in Phanerozoic time and reflects Precambrian tectonic trends. Westerly striking, steep foliation in Archean crystalline rocks defines the tectonic grain in basement exposures. The Helena embayment of the Middle Proterozoic Belt Basin formed an east-trending aulacogen extending into the craton in central Montana. Westerly trending fault-blocks of probable Late Proterozoic age formed within the embayment. The trough was tectonically inverted in the Devonian, but was depressed in the Carboniferous, accumulating major thicknesses of Madison Group and Big Snowy Group strata. Tectonic inversion again occurred with rise of the {open_quotes}Belt island{close_quotes} in the Jurassic. The trough was reactivated with a thick accumulation of lower Lower Cretaceous strata. Laramide (Late Cretaceous-early Tertiary) deformation resulted in tectonic inversion with rise of the Little Belt, Big Snowy, and related uplifts. Reactivation with reverse and strike-slip movement occurred on synsedimentary Proterozoic westerly trending normal faults that bounded the Helena embayment. Subsidence was probably related to crustal extension, whereas tectonic inversion and rise is inferred to be caused by crustal shortening. West-northwesterly trending en echelon folds that cross central Montana suggest major left shift. The Precambrian structural framework and fabric of the region thus appear to have had major influence on tectonic features that were multiply reactivated in Phanerozoic time.

  4. Stable isotope evidence for glacial lake drainage through the St. Lawrence Estuary, eastern Canada, ~13.1-12.9 ka

    USGS Publications Warehouse

    Cronin, T. M.; Rayburn, J.A.; Guilbault, J.-P.; Thunell, R.; Franzi, D.A.

    2012-01-01

    Postglacial varved and rhythmically-laminated clays deposited during the transition from glacial Lake Vermont (LV) to the Champlain Sea (CS) record hydrological changes in the Champlain-St. Lawrence Valley (CSLV) at the onset of the Younger Dryas ∼13.1–12.9 ka linked to glacial lake drainage events. Oxygen isotope (δ18O) records of three species of benthic foraminifera (Cassidulina reniforme, Haynesina orbiculare, Islandiella helenae) from six sediment cores and the freshwater ostracode Candona from one core were studied. Results show six large isotope excursions (∼0.5 to >2‰) in C. reniforme δ18O values, five excursions in H. orbiculare (<0.5 to ∼1.8‰), and five smaller changes in I. helenae (<0.5‰). δ18O values in Candona show a 1.5–2‰ increase in the same interval. These isotopic excursions in co-occurring marine and freshwater species in varve-like sediments indicate complex hydrological changes in the earliest Champlain Sea, including brief (sub-annual) periods of complete freshening. One hypothesis to explain these results is that multiple abrupt freshwater influx events caused surface-to-bottom freshening of the Champlain Sea over days to weeks. The most likely source of freshwater would have been drainage of the Morehead Phase of glacial Lake Agassiz, perhaps in a series of floods, ultimately draining out the St. Lawrence Estuary.

  5. A Self-Calibrating Remote Control Chemical Monitoring System

    SciTech Connect

    Jessica Croft

    2007-06-01

    The Susie Mine, part of the Upper Tenmile Mining Area, is located in Rimini, MT about 15 miles southwest of Helena, MT. The Upper Tenmile Creek Mining Area is an EPA Superfund site with 70 abandoned hard rock mines and several residential yards prioritized for clean up. Water from the Susie mine flows into Tenmile Creek from which the city of Helena draws part of its water supply. MSE Technology Applications in Butte, Montana was contracted by the EPA to build a treatment system for the Susie mine effluent and demonstrate a system capable of treating mine waste water in remote locations. The Idaho National Lab was contracted to design, build and demonstrate a low maintenance self-calibrating monitoring system that would monitor multiple sample points, allow remote two-way communications with the control software and allow access to the collected data through a web site. The Automated Chemical Analysis Monitoring (ACAM) system was installed in December 2006. This thesis documents the overall design of the hardware, control software and website, the data collected while MSE-TA’s system was operational, the data collected after MSE-TA’s system was shut down and suggested improvements to the existing system.

  6. Geophysical applications for levee assessment

    NASA Astrophysics Data System (ADS)

    Chlaib, Hussein Khalefa

    Levees are important engineering structures that build along the rivers to protect the human lives and shield the communities as well as agriculture lands from the high water level events. Animal burrows, subsurface cavities, and low density (high permeability) zones are weakness features within the levee body that increase its risk of failure. To prevent such failure, continuous monitoring of the structure integrity and early detection of the weakness features must be conducted. Application of Ground Penetrating Radar (GPR) and Capacitively Coupled Resistivity (CCR) methods were found to be very effective in assessing the levees and detect zones of weakness within the levee body. GPR was implemented using multi-frequency antennas (200, 400, and 900 MHz) with survey cart/wheel and survey vehicle. The (CCR) method was applied by using a single transmitter and three receivers. Studying the capability and the effectiveness of these methods in levee monitoring, subsurface weakness feature detection, and studying the structure integrity of levees were the main tasks of this dissertation. A set of laboratory experiments was conducted at the Geophysics Laboratory of the University of Arkansas at Little Rock (UALR) to analyze the polarity change in GPR signals in the presence of subsurface voids and water-filled cavities. Also three full scale field expeditions at the Big Dam Bridge (BDB) Levee, Lollie Levee, and Helena Levee in Arkansas were conducted using the GPR technique. This technique was effective in detecting empty, water, and clay filled cavities as well as small scale animal burrows (small rodents). The geophysical work at BDB and Lollie Levees expressed intensive subsurface anomalies which might decrease their integrity while the Helena Levee shows less subsurface anomalies. The compaction of levee material is a key factor affecting piping phenomenon. The structural integrity of the levee partially depends on the density/compaction of the soil layers. A

  7. STUDY OF RESPIRATORY SYMPTOMS AND VENTILATORY CAPACITIES AMONG ROPE WORKERS

    PubMed Central

    Munt, D. F.; Gauvain, Suzette; Walford, Joan; Schilling, R. S. F.

    1965-01-01

    In a rope works handling manila, sisal, and St. Helena hemps, the prevalence of respiratory symptoms and the change in forced expiratory volume (F.E.V.1·0) during the work shift were studied in a group of 41 women and 41 men who represented 93% of the population at risk. Dust concentrations, measured with a modified Hexhlet, ranged from 0·11 to 4·51 mg./m.3 for total dust and 0·02 to 1·46 mg./m.3 for fine dust. The highest concentrations were found in the preparing rooms, in which the workers, all of whom were women, showed on the average a fall in ventilatory capacity during the shift. The workers in the rope walk, all of whom were men, showed a rise in ventilatory capacity during the shift. The difference between the men and women was statistically significant (p < 0·05). No worker gave a characteristic history of byssinosis, although nine women complained of chest tightness associated with their work. Undue breathlessness on exertion and persistent cough and phlegm were also more common among the women, but they were on the average 18 years older than the men. When the ventilatory capacities and the prevalence of respiratory symptoms of women rope workers were compared with those of a group of women employed elsewhere in the dockyard, the only significant difference was that the rope workers had more chest tightness associated with their work (p < 0·02). Exposure of volunteers to St. Helena hemp, which is apparently the most likely of the hard hemps to give rise to respiratory symptoms, caused only a slight fall in ventilatory capacity and a small rise in airways resistance. A sample of St. Helena hemp assayed on guinea-pig ileum had only a relatively small degree of contractor activity. The evidence suggests that the dusts of hard hemps do not cause byssinosis under the conditions in this factory. However, the irritant nature of the dust indicates the need to prevent total dust levels exceeding about 2 mg./m.3. Images

  8. Little Rock and El Dorado 1/sup 0/ x 2/sup 0/ NTMS quadrangles and adjacent areas, Arkansas: data report (abbreviated)

    SciTech Connect

    Steel, K.F.; Cook, J.R.

    1981-07-01

    This abbreviated data report presents results of ground water and stream sediment reconnaissance in the National Topographic Map Series Little Rock 1/sup 0/ x 2/sup 0/ quadrangle (Cleveland, Dallas, and Howard Counties do not have stream sediment analyses); the El Dorado 1/sup 0/ x 2/sup 0/ quadrangle (only Clark County has stream sediment analyses); the western part (Lonoke and Jefferson Counties) of Helena 1/sup 0/ x 2/sup 0/ quadrangle; the southern part (Franklin, Logan, Yell, Perry, Faulkner, and Lonoke Counties) of Russellville 1/sup 0/ x 2/sup 0/ quadrangle; and the southwestern corner (Ashley County) of the Greenwood 1/sup 0/ x 2/sup 0/ quadrangle. Stream samples were collected at 943 sites in the Little Rock quadrangle, 806 sites in the El Dorado quadrangle, 121 sites in the Helena area, 292 sites in the Russellville area, and 77 in the Greenwood area. Ground water samples were collected at 1211 sites in the Little Rock quadrangle, 1369 sites in the El Dorado quadrangle, 186 sites in the Helena area, 470 sites in the Russellville area, and 138 sites in the Greenwood area. Stream sediment and stream water samples were collected from small streams at nominal density of one site per 21 square kilometers in rural areas. Ground water samples were collected at a nominal density of one site per 13 square kilometers. Neutron activation analysis results are given for uranium and 16 other elements in sediments, and for uranium and 8 other elements in ground water. Field measurements and observations are reported for each site. Uranium concentrations in the sediments ranged from less than 0.1 ppM to 23.5 ppM with a mean of 1.7 ppM. The ground water uranium mean concentration is 0.113 ppB, and the uranium concentrations range from less than 0.002 ppB to 15.875 ppB. High ground water uranium values in the Ouachita Mountain region of the Little Rock quadrangle appear to be associated with Ordovician black shale units.

  9. First Row Transition Metals in Olivine - Petrogenetic Tracers for the Evolution of Mantle-Derived Magmas

    NASA Astrophysics Data System (ADS)

    Locmelis, M.; Arevalo, R. D., Jr.; Puchtel, I. S.; Barnes, S. J.; Fiorentini, M. L.

    2015-12-01

    Olivine is the most abundant mineral in the upper mantle and a major constituent of most mantle-derived rocks. However, despite its abundance, studies on the trace element chemistry of olivine are underrepresented in the literature. We present the results of a comprehensive study on the contents of first-row transition metals (FRTM: Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, and Zn), Ga and Ge in olivines from 2.7-3.5 Ga old Munro- and Barberton-type komatiites from the Kapvaal and Zimbabwe Cratons in southern Africa, the Yilgarn Craton in Australia, and the Superior Craton in Canada. Komatiitic olivines are compared to olivines from a Devonian-Carboniferous mantle peridotite (Finero, Italy) and contemporary ocean Island basalts (OIB, from St. Helena, South Atlantic Ocean). The olivine major element chemistry was determined using a JEOL JXA-8900 Superprobe at the University of Maryland. Trace element contents were determined using a Photon Machines Analyte G2 193 nm Excimer laser ablation system coupled to a Nu Instruments AttoM single collector ICP-MS at NASA Goddard Space Flight Center. Medium resolution mass discrimination (m/Δm = 2500, at 5% peak intensity) was leveraged to separate isobaric interferences and support accurate quantitation of elemental abundances. The results show that olivines from komatiites are largely depleted in FRTM, Ga and Ge relative to the composition of the primitive mantle (FRTMPM-norm = ~0.01 - 1). All komatiitic olivines have similar mantle-normalized trace element patterns, regardless of age and/or locality. Olivines from the Finero mantle peridotite and the St. Helena OIB are similarly depleted. However, compared to komatiites, grains from Finero are enriched in Ge and distinctly depleted in Ti, V, Cr, and Ga, whereas olivines from St. Helena have overall flatter normalized trace element patterns. The distinct patterns show that olivine chemistry can be used to identify and understand the source and evolution of mantle-derived rocks

  10. A Self Calibrating Remote Controllable Water Monitoring System

    NASA Astrophysics Data System (ADS)

    Croft, J. E.; Heath, G. L.

    2006-12-01

    The Idaho National Laboratory (INL) has been asked to support Mountain States Environmental (MSE) by providing an automated remote monitoring system for a treatment process of acid mine discharge from the Susie mine, which is located outside of Rimini near Helena, Montana. The mine, now abandoned, produces water year around that is contaminated with lead, zinc, cadmium and arsenic (Pb, Zn, Cd, and As). MSE is managing a project to install and test a pilot scale treatment system that will operate year around treating the discharge water to remove the metal contaminants of concern. The treatment system employs a combination of lime addition, iron addition, settling chambers, sand filters and polishing to treat the contaminated water. The system requires routine monitoring to ensure that process controls remain functional. The INL is developing a monitoring system capable of self calibrating, with two way communication, in a remote location that will provide physical and chemical water quality measurements throughout the treatment system.

  11. [Isolation of an Paracoccidioides brasiliensis exoantigen from solid culture media].

    PubMed

    Gago, J; Godio, C; Ochoa, L; Negroni, R; Nejamkis, M R

    1995-01-01

    The goal of this work was to develop in solid medium a fast method to obtain Paracoccidioides brasiliensis (Pb) with a high yield. Four culture media were assayed: Sabouraud honey-agar, Sabouraud dextrose-agar, tomato -agar-medium (TOM) and a medium based on grape pulp. The most exhuberant growth was observed in medium based on grape pulp. Antigen was prepared in microscale at 6, 10 and 15 days incubation of solid cultures and the crude product concentrated by means of Centriplus tubes (Helena, France). Isolated antigens were subjected to polyacrylamide gel electrophoresis, followed by immunolabelling and detection of the characteristic gp45 antigen employing human and Pb-infected rat sera. Best results were observed after 10 days culture in grape medium. None of the other three media afforded comparable results.

  12. Anesthesia for a patient of acromesomelic dysplasia with associated hydrocephalus, Arnold Chiari malformation and syringomyelia.

    PubMed

    Haldar, Rudrashish; Gyanesh, Prakhar; Samanta, Sukhen

    2013-10-01

    Acromesomelic dysplasias are autosomal recessive osteochondrodysplasias. Acromesomelic dysplasia Maroteaux-type (AMDM), also known as St Helena dysplasia, is of two types: The classical and the mild variety. About 50 cases of AMDM have been reported till date, most of them being the classical variety. There is scarcity of literature on anesthesia for such patients. We are reporting a case of general anesthetic management of AMDM, associated with hydrocephalus, Arnold Chiari malformation type-1 and syringomyelia. The patient was a 10-year-old short-statured boy who presented with symptomatic thoracic kyphoscoliosis, gibbus deformity and back pain. On examination, there was no neurological deficit. Radiology revealed thoracic kyphoscoliosis, mild ventriculomegaly and upper cervical syringomyelia. The patient underwent posterior fossa decompression in the prone position under general anesthesia. We will discuss the anesthetic considerations for such patients and review the pertinent literature.

  13. Agrobacterium-mediated transformation of apricot (Prunus armeniaca L.) leaf explants.

    PubMed

    Petri, César; Wang, Hong; Alburquerque, Nuria; Faize, Mohamed; Burgos, Lorenzo

    2008-08-01

    A protocol for Agrobacterium-mediated stable transformation for scored, whole leaf explants of the apricot (Prunus armeniaca) cultivar Helena was developed. Regenerated shoots were selected using a two-step increased concentrations of paromomycin sulphate. Different factors affecting survival of transformed buds, including possible toxicity of green fluorescent protein (GFP) and time of exposure to high cytokine concentration in the regeneration medium, were examined. Transformation efficiency, based on PCR analysis of individual putative transformed shoots from independent lines was 5.6%, when optimal conditions for bud survival were provided. Southern blot analysis on four randomly chosen PCR-positive shoots confirmed the presence of the nptII transgene. This is the first time that stable transformation of an apricot cultivar is reported and constitutes also one of the few reports on the transformation of Prunus cultivars.

  14. Apricot (Prunus armeniaca L.).

    PubMed

    Petri, César; Alburquerque, Nuria; Burgos, Lorenzo

    2015-01-01

    A protocol for Agrobacterium-mediated stable transformation of whole leaf explants of the apricot (Prunus armeniaca) cultivars 'Helena' and 'Canino' is described. Regenerated buds were selected using a two-step selection strategy with paromomycin sulfate and transferred to bud multiplication medium 1 week after they were detected for optimal survival. After buds were transferred to bud multiplication medium, antibiotic was changed to kanamycin and concentration increased gradually at each transfer to fresh medium in order to eliminate possible escapes and chimeras. Transformation efficiency, based on PCR analysis of individual putative transformed shoots from independent lines, was 5.6%. Green and healthy buds, surviving high kanamycin concentration, were transferred to shoot multiplication medium where they elongated in shoots and proliferated. Elongated transgenic shoots were rooted in a medium containing 70 μM kanamycin. Rooted plants were acclimatized following standard procedures. This constitutes the only transformation protocol described for apricot clonal tissues and one of the few of Prunus.

  15. Six Months in Ascension

    NASA Astrophysics Data System (ADS)

    Black Gill, Isobel Sarah; Gill, David

    2010-06-01

    Introduction David Gill; 1. Why we went; 2. The voyage; 3. St. Helena; 4. What Ascension looked like; 5. Ascension past and present; 6. Round about Garrison; 7. A night on the Clinker; 8. Change and check; 9. Mars Bay; 10. A Sunday scene; 11. The opposition of Mars; 12. The sea-shore and the rollers; 13. Green Mountain; 14. Sunday at the mountain; 15. Why we had only a gallon of water; 16. Trips from Garden Cottage; 17. Mars Bay without a cook; 18. Wide-awake fair; 19. Last days at Mars Bay; 20. Christmas in Garrison; 21. About the Kroomen; 22. Clinker Cemeteries; 23. Christmas holidays; 24. The Devil's riding school; 25. Homeward bound.

  16. A new species of snail-case caddisflies (Trichoptera: Helicopsychidae) and new records of caddisflies from Chapada Diamantina, Bahia, Brazil.

    PubMed

    Souza, Raquel Lima DE; Gomes, Victor; Calor, Adolfo R

    2017-02-03

    A new species of Helicopsyche subgenus Feropsyche from Chapada Diamantina is diagnosed, described, and illustrated. Helicopsyche catoles n. sp. is easily distinguished from congeners by the following features: inferior appendages clavate, each bearing a posteroventral projection with 2-4 setae in lateral view, and tergum X with a notched apex and a short setal row along its length in dorsal view. Additionally, new records from Chapada Diamantina, Bahia, Brazil, are presented. A total of 31 species, including the new species, are recorded, belonging to 14 genera and 8 families. Two of these species constitute new records to Brazil (Helicopsyche (Feropsyche) succincta and Marilia misionensis) and another 10 of these species represent new records for Bahia [Chimarra (Curgia) hyoeides, Macronema hageni, M. partitum, Polyplectropus tragularius, Smicridea coronata, S. helenae, S. iguazu, S. jundiai, S. radula and Marilia major].

  17. Evaluation of iron status: zinc protoporphyrin vis-a-vis bone marrow iron stores.

    PubMed

    Das, Sheila; Philip, Kandathil Joseph

    2008-01-01

    Zinc protoporphyrin (ZPP) in the red cells is an indicator of iron status in the bone marrow (BM) and can be easily measured by Protofluor-Z Hematofluorometer from Helena Laboratories. It is well known that bone marrow iron is a gold standard for the diagnosis of iron deficiency anemia (IDA) even in the pre-latent phase. Hence, it was considered pertinent to evaluate the diagnostic utility of ZPP in comparison with bone marrow iron stores. 107 random BM were selected over a period of 2(1/2) years; in each case, RBC indices where recorded along with ZPP and Perls' Prussian blue reaction for BM iron stores. The specificity and sensitivity were found to be 77.8% and sensitivity 69.8%, respectively. However, the sensitivity increased up to 96.2% when Hb, RBC indices and ZPP were considered for the diagnosis of IDA.

  18. South Africa as seen from STS-63 Discovery

    NASA Technical Reports Server (NTRS)

    1995-01-01

    The southwest coast of southern Africa from St. Helena Bay (large bay at center), to Table Bay at Cape Town (bottom, with Robben Island near entrance). The pier at the naval base and fishing port of Saldhanaha Bay can be seen in the small bay (center). False Bay is cut off by the bottom edge of the frame. What NASA scientists think to be a phytoplankton bloom appears offshore in the cold upwelled water off the Atlantic coast. Farmland, especially that used for wine growing, is found near the coast occupying the Mediterranian-like climate of the Southwest Cape Province; but inland of the mountains of the Karroo Desert is home to sheep farmers and little agriculture.

  19. A new species of Amphictene (Annelida, Pectinariidae) from the Gulf of Mexico, with a redescription of Amphictene guatemalensis (Nilsson, 1928)

    PubMed Central

    García-Garza, María E.; de León-González, J.A.

    2014-01-01

    Abstract The genus Amphictene is reported for the first time from Mexico. Previous records for America are restricted to Brazil (Amphictene catharinensis) (Grube, 1870), and Guatemala (Amphictene guatemalensis) (Nilsson, 1928). In this paper we describe a new species, Amphictene helenae sp. n., characterized by the presence of three pairs of tentacular cirri, while other species have only two pairs. The new species is closely similar to Amphictene catharinensis, and can be distinguished by the presence of a circular group of glandular papillae inserted between the lines of glandular cirri present from the second segment. Amphictene guatemalensis is redescribed based on type material; it differs from the new species in the presence of two pairs of tentacular cirri on segments 1 and 2, six pairs of glandular cirri on the third segment, and four glandular lobes fused in pairs on the fourth segment. PMID:24478574

  20. A Genome-Wide Survey of Genetic Instability by Transposition in Drosophila Hybrids

    PubMed Central

    Vela, Doris; Fontdevila, Antonio; Vieira, Cristina; García Guerreiro, María Pilar

    2014-01-01

    Hybridization between species is a genomic instability factor involved in increasing mutation rate and new chromosomal rearrangements. Evidence of a relationship between interspecific hybridization and transposable element mobilization has been reported in different organisms, but most studies are usually performed with particular TEs and do not discuss the real effect of hybridization on the whole genome. We have therefore studied whole genome instability of Drosophila interspecific hybrids, looking for the presence of new AFLP markers in hybrids. A high percentage (27–90%) of the instability markers detected corresponds to TEs belonging to classes I and II. Moreover, three transposable elements (Osvaldo, Helena and Galileo) representative of different families, showed an overall increase of transposition rate in hybrids compared to parental species. This research confirms the hypothesis that hybridization induces genomic instability by transposition bursts and suggests that genomic stress by transposition could contribute to a relaxation of mechanisms controlling TEs in the Drosophila genome. PMID:24586475

  1. An approach to the phenomenological analysis of data.

    PubMed

    Priest, Helena

    2003-01-01

    In this paper, Helena Priest describes and justifies a phenomenological research method that may be used to explore complex and nebulous concepts relevant to nursing and health care, for example, the concept of 'caring'. The history and development of Husserlian phenomenology are outlined, followed by an account of the use of phenomenology within nursing research. Tensions inherent in the use of Husserlian phenomenology in nursing research are noted. A phenomenological approach to data analysis, designed to address some of these tensions, is described and compared with several well-established phenomenological analysis strategies. Issues of reliability, validity and generalisability are discussed, as are limitations in the use of the approach, before conclusions relevant to healthcare researchers are drawn.

  2. Hints for the aspiring public health nurse. 1923.

    PubMed

    Abrams, Sarah E

    2010-01-01

    The original article from which these excerpts were taken, "Some Hints to the Nurse Who Seeks to Become a Successful Partner in the Community Health Program," by Mary Margaret Muckley, was published the 1923 volume of the original Public Health Nursing journal. The paper listed practical pointers to nurses wanting to work in the area of public or community health nursing. The author's advice involved personal attributes, professional engagement, skills, effective organization, and community relations. Much of the original article contained sound advice for aspirants to nursing work in community settings, but some advice may be considered too idealistic even for this optimistic time period. While the particular references to organizations and agencies existing in Helena, Montana have been omitted, the nurse reading the paper in 1923 had a general guide to her key stakeholders. The excerpts from this paper may give contemporary readers an appreciation of the endurance of what Muckley terms the public health nurse's "Valuable Assets."

  3. PREFACE: 17th International School on Condensed Matter Physics (ISCMP): Open Problems in Condensed Matter Physics, Biomedical Physics and their Applications

    NASA Astrophysics Data System (ADS)

    Dimova-Malinovska, Doriana; Nesheva, Diana; Pecheva, Emilia; Petrov, Alexander G.; Primatarowa, Marina T.

    2012-12-01

    We are pleased to introduce the Proceedings of the 17th International School on Condensed Matter Physics: Open Problems in Condensed Matter Physics, Biomedical Physics and their Applications, organized by the Institute of Solid State Physics of the Bulgarian Academy of Sciences. The Chairman of the School was Professor Alexander G Petrov. Like prior events, the School took place in the beautiful Black Sea resort of Saints Constantine and Helena near Varna, going back to the refurbished facilities of the Panorama hotel. Participants from 17 different countries delivered 31 invited lecturers and 78 posters, contributing through three sessions of poster presentations. Papers submitted to the Proceedings were refereed according to the high standards of the Journal of Physics: Conference Series and the accepted papers illustrate the diversity and the high level of the contributions. Not least significant factor for the success of the 17 ISCMP was the social program, both the organized events (Welcome and Farewell Parties) and the variety of pleasant local restaurants and beaches. Visits to the Archaeological Museum (rich in valuable gold treasures of the ancient Thracian culture) and to the famous rock monastery Aladja were organized for the participants from the Varna Municipality. These Proceedings are published for the second time by the Journal of Physics: Conference Series. We are grateful to the Journal's staff for supporting this idea. The Committee decided that the next event will take place again in Saints Constantine and Helena, 1-5 September 2014. It will be entitled: Challenges of the Nanoscale Science: Theory, Materials and Applications. Doriana Dimova-Malinovska, Diana Nesheva, Emilia Pecheva, Alexander G Petrov and Marina T Primatarowa Editors

  4. [Not Available].

    PubMed

    Santaliestra-Pasías, Alba M; Bel-Serrat, Silvia; Moreno, Luis A; Bueno, Gloria

    2016-07-12

    Introducción: la elevada prevalencia de obesidad en niños es un problema de salud global y conlleva el desarrollo de comorbilidades asociadas, como hipertensión, dislipemia, inflamación crónica e hiperinsulinemia, que a su vez son reconocidos factores de riesgo cardiovascular. Algunos estudios han observado que el consumo de productos lácteos podría ejercer un papel protector sobre el desarrollo de enfermedades cardiovasculares; sin embargo, la evidencia científica es bastante limitada en niños y adolescentes.Objetivos: investigar la relación entre el consumo de productos lácteos y factores de riesgo cardiovascular en poblaciones jóvenes.Material y métodos: se ha revisado la literatura reciente, incluyendo adicionalmente datos procedentes del estudio HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence). Se incluyó una muestra de adolescentes (12,5-17,5 años) provenientes de 8 ciudades europeas.Resultados: datos estadounidenses muestran una disminución en la frecuencia de consumo de leche, así como en el tamaño de la porción consumida. En el estudio HELENA los productos lácteos fueron el grupo de alimentos que mejor identificó a los adolescentes con bajo riesgo cardiovascular. Además, un consumo elevado de leche y yogur, así como de bebidas a base de leche y yogur, se asoció con niveles más bajos de grasa corporal, menor riesgo cardiovascular y mayor condición física cardiorrespiratoria.Conclusiones: son necesarios más estudios para proporcionar evidencia y comprender mejor los mecanismos subyacentes de la asociación entre la ingesta de lácteos, especialmente el yogur, y la obesidad, la diabetes, y otros factores de riesgo cardiovascular.

  5. Benthic foraminiferal growth seasons implied from Mg/Ca-temperature correlations for three Arctic species

    NASA Astrophysics Data System (ADS)

    Skirbekk, Kari; Hald, Morten; Marchitto, Thomas M.; Junttila, Juho; Klitgaard Kristensen, Dorthe; Aagaard Sørensen, Steffen

    2016-11-01

    Core-top sediment samples from Kongsfjorden, Svalbard, and adjacent fjord and shelf areas were collected in order to investigate a potential relationship between Mg/Ca-ratios of Arctic benthic foraminifera and the ambient bottom water temperatures (BWT). The area is influenced by large seasonal variation in factors such as light and temperature, which is further strengthened by oceanographic shifts, including inflow of relatively warm Atlantic water. Four hydrological seasons have been defined. The studied samples were collected during the years 2005-2010 and comprise data from three hydrological seasons: spring, summer, and autumn. Five common species of cold-water benthic foraminifera were investigated: Islandiella helenae/norcrossi, Buccella frigida, Nonionellina labradorica, Elphidium clavatum, and Cassidulina reniforme. For E. clavatum and C. reniforme, the investigations failed. For the remaining three species, the Mg/Ca-temperature correlations initially appeared stochastic holding correlation coefficients between 0.01 and 0.15. However, grouping the data based on seasons gave stronger Mg/Ca-temperature correlations, indicating specific growing seasons for the three species. The equations represent a starting point for a discussion on seasonality rather than robust, "ready-to-use" equations. I. helenae/norcrossi seems to reproduce and grow during summer (July/August) in outer Kongsfjorden. For B. frigida, a Mg/Ca-temperature correlation is seen both in summer (July/August) and autumn (October/November) samples, indicative of a continuous reproduction/growth-season lasting from July to November. N. labradorica appears to reproduce and grow during autumn (October/November). The results indicate that temperature reconstructions based on these benthic foraminifera reproduce seasonal temperatures rather than annual average temperatures.

  6. Vitamin D status among adolescents in Europe: the Healthy Lifestyle in Europe by Nutrition in Adolescence study.

    PubMed

    González-Gross, Marcela; Valtueña, Jara; Breidenassel, Christina; Moreno, Luis A; Ferrari, Marika; Kersting, Matilde; De Henauw, Stefaan; Gottrand, Frederic; Azzini, Elena; Widhalm, Kurt; Kafatos, Anthony; Manios, Yannis; Stehle, Peter

    2012-03-01

    An adequate vitamin D status is essential during childhood and adolescence, for its important role in cell growth, skeletal structure and development. It also reduces the risk of conditions such as CVD, osteoporosis, diabetes mellitus, infections and autoimmune disease. As comparable data on the European level are lacking, assessment of vitamin D concentrations was included in the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) study. Fasting blood samples were obtained from a subsample of 1006 adolescents (470 males; 46·8 %) with an age range of 12·5-17·5 years, selected in the ten HELENA cities in the nine European countries participating in this cross-sectional study, and analysed for 25-hydroxycholecalciferol (25(OH)D) by ELISA using EDTA plasma. As specific reference values for adolescents are missing, percentile distribution were computed by age and sex. Median 25(OH)D levels for the whole population were 57·1 nmol/l (5th percentile 24·3 nmol/l, 95th percentile 99·05 nmol/l). Vitamin D status was classified into four groups according to international guidelines (sufficiency/optimal levels ≥ 75 nmol/l; insufficiency 50-75 nmol/l; deficiency 27·5-49·99 nmol/l and severe deficiency < 27·5 nmol/l). About 80 % of the sample had suboptimal levels (39 % had insufficient, 27 % deficient and 15 % severely deficient levels). Vitamin D concentrations increased with age (P < 0·01) and tended to decrease according to BMI. Geographical differences were also identified. Our study results indicate that vitamin D deficiency is a highly prevalent condition in European adolescents and should be a matter of concern for public health authorities.

  7. Cardiorespiratory fitness and dietary intake in European adolescents: the Healthy Lifestyle in Europe by Nutrition in Adolescence study.

    PubMed

    Cuenca-García, M; Ortega, F B; Huybrechts, I; Ruiz, J R; González-Gross, M; Ottevaere, C; Sjöström, M; Dìaz, L E; Ciarapica, D; Molnar, D; Gottrand, F; Plada, M; Manios, Y; Moreno, L A; De Henauw, S; Kersting, M; Castillo, M J

    2012-06-01

    The present study investigated the association between cardiorespiratory fitness (CRF) and dietary intake in European adolescents. The study comprised 1492 adolescents (770 females) from eight European cities participating in the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study. CRF was assessed by the 20 m shuttle run test. Adolescents were grouped into low and high CRF levels according to the FITNESSGRAM Standards. Dietary intake was self-registered by the adolescents using a computer-based tool for 24 h dietary recalls (HELENA-Dietary Assessment Tool) on two non-consecutive days. Weight and height were measured, and BMI was calculated. Higher CRF was associated with higher total energy intake in boys (P = 0·003). No association was found between CRF and macronutrient intake (as percentage of energy), yet some positive associations were found with daily intake of bread/cereals in boys and dairy products in both boys and girls (all P < 0·003), regardless of centre, age and BMI. CRF was inversely related to sweetened beverage consumption in girls. These findings were overall consistent when CRF was analysed according to the FITNESSGRAM categories (high/low CRF). A high CRF was not related to compliance with dietary recommendations, except for sweetened beverages in girls (P = 0·002). In conclusion, a high CRF is associated with a higher intake of dairy products and bread/cereals, and a lower consumption of sweetened beverages, regardless of centre, age and BMI. The present findings contribute to the understanding of the relationships between dietary factors and physiological health indicators such as CRF.

  8. Inhibition of erythrocytes δ-aminolevulinic acid dehydratase (ALAD) activity in fish from waters affected by lead smelters

    USGS Publications Warehouse

    Schmitt, Christopher J.; Caldwell, Colleen A.; Olsen, Bill; Serdar, Dave; Coffey, Mike

    2002-01-01

    We assessed the effects on fish of lead (Pb) released to streamsby smelters located in Trail, BC (Canada), E. Helena, MT, Herculaneum, MO, and Glover, MO. Fish were collected by electrofishing from sites located downstream of smelters and from reference sites. Blood from each fish was analyzed for δ-aminolevulinic acid dehydratase (ALAD) activity and hemoglobin (Hb), and samples of blood, liver, or carcass were analyzed for Pb, zinc (Zn), or both. Fish collected downstreamof all four smelters sites had elevated Pb concentrations, decreased ALAD activity, or both relative to their respectivereference sites. At E. Helena, fish from the downstream site also had lower Hb concentrations than fish from upstream. Differences among taxa were also apparent. Consistent with previous studies, ALAD activity in catostomids (Pisces: Catostomidae-northern hog sucker,Hypentelium nigricans;river carpsucker, Carpiodes carpio; largescale sucker, Catostomus macrocheilus; and mountain sucker, C. platyrhynchus) seemed more sensitive to Pb-induced ALADinhibition than the salmonids (Pisces: Salmonidae-rainbow trout,Oncorhynchus mykiss; brook trout,Salvelinus fontinalis) or common carp (Cyprinus carpio). Some of these differences may have resulted from differential accumulation of Zn, which was not measured at all sites. We detected noALAD activity in channel catfish (Ictaluruspunctatus) from either site on the Mississippi River at Herculaneum, MO. Our findings confirmed that Pb is releasedto aquatic ecosystems by smelters and accumulated by fish, andwe documented potentially adverse effects of Pb in fish. We recommend that Zn be measured along with Pb when ALAD activityis used as a biomarker and the collection of at least 10 fish ofa species at each site to facilitate statistical analysis.

  9. Depositional history and petroleum potential of Middle and Upper Ordovician of Alabama Appalachians

    SciTech Connect

    Benson, J.D.; Mink, R.M.

    1983-09-01

    Middle and Upper Ordovician deposits occupy a significant position in the Paleozoic sequence in the southern Appalachians, since they represent a transition from passive margin carbonate to active margin clastic deposition. Middle Ordovician units show a transition from shallow-water deposits in the west to deeper water basinal deposits in the east. West of the Helena fault the Middle Ordovican is represented by peritidal to shallow subtidal lithologic characteristics of the Chickamauga Limestone. East of the Helena these shallow-water deposits are replaced by deeper water carbonates of the Lenoir and Little Oak Limestones and graptolitic shales of the Athens Formation. Red-green mudrocks of the Greensport Formation were deposited in shallow-shelf to tidal-flat environments and were in turn overlain by quartz arenites of the Colvin Mountain Sandstone, deposited as part of a shallow-barrier system. With continued uplift during the Late Ordovician, additional clastics prograded westward over the filled basin. Early Late Ordovician shallow-shelf to tidal-flat mudrocks of the Sequatchie Formation grade westward into shallow-water carbonates of the Inman and Leipers Formations. With continued input, Sequatchie clastics prograded westward and over-rode the westerly carbonates. A relative sea-level rise during the late Late Ordovican was accompanied by deposition of open-marine shelf, bioclastic limestones of the Sequatchie throughout much of the western Valley and Ridge. The petroleum potential of the Middle and Upper Ordovician sequence in the Alabama Appalachians appears to range from marginal to moderate. The existence of significant reservoirs in this area appears dependent upon the development of fracture porosity associated with Appalachian structures.

  10. Monitoring of Zero-Valent Iron Permeable Reactive Barriers: Electrical Properties and Barrier Aging

    NASA Astrophysics Data System (ADS)

    Labrecque, D. J.; Adkins, P. L.; Slater, L. D.; Versteeg, R.; Sharpe, R.

    2007-12-01

    An innovative method of groundwater remediation invented in the 1990"s, Permeable Reactive Barriers, use sand-sized grains of scrap iron placed in trenches or injected under pressure to remediate a number of organic and inorganic contaminants. Monitoring the aging of these barriers becomes increasingly important as many of these barriers approach their predicted life spans. In-situ resistivity and induced polarization studies have been conducted at six barriers at four different sites: Monticello, Utah; the Denver Federal Center; Kansas City, Missouri; and East Helena, Montana. As some barriers tend to age dramatically faster than others, for this study we consider low permeability barriers as of greater age, as "old" barriers tend to loose permeability rather than exhaust reactive materials. One complicating factor is that two of the barriers studied appear to have issues related to installation. One site, the former Asarco Smelter Site near East Helena, Montana, has been instrumented with an autonomous monitoring system allowing continuous monitoring of the evolution of a relatively new (less than three years old) barrier. The barrier showed surprisingly rapid evolution over the first year of monitoring with changes in both resistivity and chargeability of tens of percent per month. In general, the electrical properties of all of the barriers studied follow a pattern. New barriers are fairly resistive with in-situ conductivity only a few times background (outside the barrier) values. Older barriers get increasingly conductive, with failed barriers showing values of over 100 S/m. The induced polarization response is more complicated. Chargeability values increase over time for young barriers, are largest for healthy barriers in the middle of their lifespan, and decrease as the barrier ages.

  11. Potential Application of Airborne Passive Microwave Observations for Monitoring Inland Flooding Caused by Tropical Cyclones

    NASA Technical Reports Server (NTRS)

    Hood, Robbie E.; Radley, C.D.; LaFontaine, F.J.

    2008-01-01

    Inland flooding from tropical cyclones can be a significant factor in storm-related deaths in the United States and other countries. Information collected during NASA tropical cyclone field studies suggest surface water and flooding induced by tropical cyclone precipitation can be detected and therefore monitored using passive microwave airborne radiometers. In particular, the 10.7 GHz frequency of the NASA Advanced Microwave Precipitation Radiometer (AMPR) flown on the NASA ER-2 has demonstrated high resolution detection of anomalous surface water and flooding in numerous situations. This presentation will highlight the analysis of three cases utilizing primarily satellite and airborne radiometer data. Radiometer data from the 1998 Third Convection and Moisture Experiment (CAMEX-3) are utilized to detect surface water during landfalling Hurricane Georges in both the Dominican Republic and Louisiana. A third case is landfalling Tropical Storm Gert in Eastern Mexico during the Tropical Cloud Systems and Processes (TCSP) experiment in 2005. AMPR data are compared to topographic data and vegetation indices to evaluate the significance of the surface water signature visible in the 10.7 GHz information. The results of this study suggest the benefit of an aircraft 10 GHz radiometer to provide real-time observations of surface water conditions as part of a multi-sensor flood monitoring network.

  12. Meeting report: 2012 Caenorhabditis elegans Neurobiology meeting, EMBL Advanced Training Centre, Germany.

    PubMed

    Kearn, James; Dallière, Nicolas; Dillon, James

    2013-06-01

    Some of the finest minds in the field of Caenorhabditis elegans neurobiology were brought together from 14 June to 17 June 2012 in the small, quaint and picturesque German city of Heidelberg for the biannual C. elegans neurobiology conference. Held at the EMBL Advanced Training Centre and wonderfully organised by Diah Yulianti, Jean-Louis Bessereau, Gert Jansen and William Schafer, the meeting contained 62 verbal presentations and hundreds of posters that were displayed around the double-helical walkways that looped throughout the conference centre. Presentations on recent advances in microfluidics, cell ablation and targeted gene expression exemplified the strengths of C. elegans as a model organism, with these advances allowing detailed high-throughput analysis and study. Interesting behaviours that were previously poorly characterised were widely discussed, as were the advantages of C. elegans as a model for neurodevelopment and neurodegeneration and the investigation of neuropeptide function. The examples discussed in this meeting report seek to illustrate the breadth and depth of presentations given on these recurring topics.

  13. Analysis of R&D Strategy for Advanced Combined Cycle Power Systems

    NASA Astrophysics Data System (ADS)

    Akimoto, Keigo; Hayashi, Ayami; Kosugi, Takanobu; Tomoda, Toshimasa

    This article analyzes and evaluates the R&D strategy for advanced power generation technologies, such as natural gas combined cycles, IGCCs (Integrated coal Gasification Combined Cycles), and large-scale fuel cell power generation systems with a mixed-integer programming model. The R&D processes are explicitly formulated in the model through GERT (Graphical Evaluation and Review Technique), and the data on each required time of R&D was collected through questionnaire surveys among the experts. The obtained cost-effective strategy incorporates the optimum investment allocation among the developments of various elemental technologies, and at the same time, it incorporates the least-cost expansion planning of power systems in Japan including other power generation technologies such as conventional coal, oil, and gas fired, and hydro and wind power. The simulation results show the selection of the cost-effective technology developments and the importance of the concentrated investments in them. For example, IGCC, which has a relatively high thermal efficiency, and LNG-CCs of the assumed two efficiencies are the cost-effective investment targets in the no-CO2-regulation case.

  14. Basic space sciences in Africa

    NASA Astrophysics Data System (ADS)

    Abiodun, Adigun Ade; Odingo, Richard S.

    Through space applications, a number of social and economic programmes in education, communications, agro-climatology, weather forecasting and remote sensing are being realized within the African continent. Regional and international organizations and agencies such as the African Remote Sensing Council, the Pan-African Telecommunication Union and the United Nations system have been instrumental in making Africa conscious of the impact and implications of space science and technology on its peoples. The above notwithstanding, discernible interests in space research, to date, in Africa, have been limited to the work on the solar system and on interplanetary matters including satellite tracking, and to the joint African-Indian proposal for the establishment of an International Institute for Space Sciences and Electronics (INISSE) and the construction, in Kenya, of a Giant Equatorial Radio Telescope (GERT). During this ``Transport and Communications Decade in Africa,'' Africa's basic space research efforts would need to initially focus on the appropriateness, modification and adaptation of existing technologies for African conditions with a view to providing economic, reliable and functional services for the continent. These should include elements of electronics, communications, structural and tooling industries, and upper-atmosphere research. The experience of and collaborative work with India, Brazil and Argentina, as well as the roles of African scientists, are examined.

  15. Fiber optic DTS system application in the research of accumulation possibilities of thermal energy in the rock mass

    NASA Astrophysics Data System (ADS)

    Látal, Jan; Koudelka, Petr; Šiška, Petr; Skapa, Jan; Hanáečk, František; Vašinek, Vladimír; Vitásek, Jan; Hejduk, Stanislav; Bocheza, Jiří

    2011-05-01

    The team of authors tries to provide information on the results of the fiber-optic DTS system application under long-term research of accumulation possibilities of thermal energy in the rock mass in this article. In 2006, was in Ostrava implemented the largest object in the Czech Republic, which is heated by heat pump system. It is a multi-purpose aula at VŠB-TU + CIT (Center for Information Technology). The installed heat pump system consists of ten heat pumps with a total output of 700kW and 110 wells about 140m deep. The applied research is conducted in two measuring polygons ("Big" and "Little" polygon). Simultaneously with fiber-optic DTS system is applied group of PT1000 temperature sensors and Geothermal Response Test (GERT). Fiber-optic DTS system is deployed inside polyethylene PE collector via a special sensory fiber optic cable. The ecological antifreeze mixture, based on the technical spirit, used for the collection and delivery of energy to the rock mass circulates inside of PE collector. PT1000 temperature sensors are placed at certain intervals on the outer side of the PE U-tube within the heat well. The result of application of the fiberoptic DTS system is information about the heat profile of wells, thermal conductivity of the geological environment and the impact of external changes in the thermal wells, along with the accumulation possibilities of thermal energy in the rock mass (over-summer period).

  16. Automated Impedance Tomography for Monitoring Permeable Reactive Barrier Health

    SciTech Connect

    LaBrecque, D J; Adkins, P L

    2009-07-02

    The objective of this research was the development of an autonomous, automated electrical geophysical monitoring system which allows for near real-time assessment of Permeable Reactive Barrier (PRB) health and aging and which provides this assessment through a web-based interface to site operators, owners and regulatory agencies. Field studies were performed at four existing PRB sites; (1) a uranium tailing site near Monticello, Utah, (2) the DOE complex at Kansas City, Missouri, (3) the Denver Federal Center in Denver, Colorado and (4) the Asarco Smelter site in East Helena, Montana. Preliminary surface data over the PRB sites were collected (in December, 2005). After the initial round of data collection, the plan was modified to include studies inside the barriers in order to better understand barrier aging processes. In September 2006 an autonomous data collection system was designed and installed at the EPA PRB and the electrode setups in the barrier were revised and three new vertical electrode arrays were placed in dedicated boreholes which were in direct contact with the PRB material. Final data were collected at the Kansas City, Denver and Monticello, Utah PRB sites in the fall of 2007. At the Asarco Smelter site in East Helena, Montana, nearly continuous data was collected by the autonomous monitoring system from June 2006 to November 2007. This data provided us with a picture of the evolution of the barrier, enabling us to examine barrier changes more precisely and determine whether these changes are due to installation issues or are normal barrier aging. Two rounds of laboratory experiments were carried out during the project. We conducted column experiments to investigate the effect of mineralogy on the electrical signatures resulting from iron corrosion and mineral precipitation in zero valent iron (ZVI) columns. In the second round of laboratory experiments we observed the electrical response from simulation of actual field PRBs at two sites: the

  17. Short-term variability during an anchor station study in the southern Benguela upwelling system: Abundance, distribution and estimated production of mesozooplankton with special reference to Calanoides carinatus (Krøyer, 1849)

    NASA Astrophysics Data System (ADS)

    Verheye, Hans M.

    Daytime zooplankton samples collected at a fixed station position in St Helena Bay during a 27-day time series in March-April 1987 were used to describe the variability in the vertical distribution, abundance and population age structure of Calanoides carinatus in response to upwelling-related processes, and to provide an estimate of their production. The vertical distribution of C. carinatus was characterized by ontogenetic layering of copepodites and adults. The thermocline delimited the maximum depth of young copepodites (CI-CIII). Older stages avoided low-oxygen (<1ml O 2l -1) bottom water. C. carinatus was usually not associated with the chlorophyll a maximum. The spatial segregation of young and older stages is briefly discussed in relation to differential feeding habits and diel vertical migration behaviour. The demographic structure of the C. carinatus population showed evidence of a stable age distribution of copepodites and adults during the first of two upwelling cycles observed during the study. Overall mean abundance was 360 animals m -3. However, during the second upwelling cycle their mean abundance was reduced to 183 animals m -3 and adults dominated the population by 54%. These changes in abundance and age structure are discussed in relation to upwelling-induced advective processes. Surface-dwelling young copepodites (CI-CIII) are thought to be transported away from the study site, while re-seeding of the reduced nearshore population probably took place through advection of diapausal pre-adults (CV) in the upwelled water. Daily production of juvenile C. carinatus was estimated at 0.7 mg C m -3d -1 which, combined with an egg production of 1.0mg C m -3d -1 by addult females, is equivalent to 2% of the observed daily primary production. The mean P:B ratio for the copepodite stages was 0.167d -1. The role of this dominant copepod and the mesozooplankton in the carbon budget in St Helena Bay is discussed. Consumption by mesozooplankters was estimated

  18. Geophysical Character and Geochemical Evolution of the Mesoproterozoic Figueira Branca Intrusive Suite, SW Amazon Craton (Brazil)

    NASA Astrophysics Data System (ADS)

    Louro, Vinicius; Cawood, Peter; Mantovani, Marta

    2016-04-01

    The Jauru Terrain hosts the Figueira Branca Intrusive Suite (FBS) in the SW of the Amazon Craton (Brazil). The FBS is a series of 1425 Ma layered mafic intrusions, previously interpreted as anorogenic. The FBS area is located in foreland to the Santa Helena orogen, formed by the subduction of the Rio Alegre Terrain under the Jauru Terrain. Potential field methods (magnetic and gravity), gamma-ray spectrometry, geochemical and isotope data were used to characterize and to model the extent of FBS magmatism, the distribution of faults and shear zones in the area, to evaluate affinities of the magmatic activity, and the relation between the FBS and the Santa Helena orogen. The geophysical methods identified three anomalies corresponding with FBS outcrops. A fourth anomaly with significantly higher amplitude was observed to the north of the three anomalies. From south to north, the anomalies were named Indiavaí, Azteca, Figueira Branca and Jauru. These anomalies were modeled and indicated a northwest-southeast trend, parallel to regional shear zones. The gamma-ray data enabled the collection of 50 samples from the FBS rocks, the Alto Jauru group that hosts the FBS, from nearby intrusive suites, and the Rio Alegre Terrain. The 30 freshest samples were analyzed by X-ray fluorescence for oxides and some trace elements, 20 by ICP-MS for Rare-Earth Elements and 10 for Nd-Sr isotope analyses. The FBS samples were gabbros and gabbro-norites with Nb/Yb-Th/Yb and TiO2/Yb-Nb/Yb ratios indicating varying degrees of crustal interaction. The TiO2/Yb-Nb/Yb data suggested a subduction related component and the ɛNd-ɛSr indicated a juvenile source. Samples from coeval adjacent intermediate magma suites displayed similar characteristics, which suggest derivation from a bimodal source probably related with the subduction of the Rio Alegre Terrain. We interpreted the tectonic setting of the FBS as a result of a roll-back of the subducted slab, which resulted in rejuvenation of the

  19. A modeling study of climate variability over western and eastern Africa

    NASA Astrophysics Data System (ADS)

    Sun, Liqiang

    1997-09-01

    This dissertation is composed of six separate papers linked by a common purpose: to investigate the physical mechanisms associated with the climate variability over western and eastern Africa. This study is carried out on both monthly and seasonal time-scales. In Chapter 2, the NASA GEOS-1 GCM was adopted to investigate the role of orography in determining the western African climate. The moist southwesterlies emanating from the Atlas-Ahaggar orographic trough and the dry hot northeasterlies originating from the corresponding orographic windward ridge tend to converge thus re-enforcing the ITCZ over the Sahel. A zonal orographic ridge is generated along the coastal region of West Africa. Thus a permanent orographic induced rainfall dipole pattern over western Africa is produced. A weaker orographic induced rainfall dipole pattern across West Africa is simulated in response to the 1973 SST anomaly pattern. Consequently, wetter conditions along the coastal region and rainfall deficits over the Sahel are produced, which are consistent with observations. In Chapter 3, we customized the NCAR Regional Climate Model (RegCM2) for eastern Africa. The physics of RegCM2 has been improved. In Chapter 4, the model simulated both large-scale and mesoscale features during the autumn rains of 1988. In Chapter 5, we simulated the interannual variability of precipitation during autumn rains between 1982 and 1993. The stronger Arabian High appears to be responsible for earlier onset of rains, and the enhanced St. Helena and weaker Mascarene Highs lead to positive precipitation anomalies over Tanzania. The enhanced St. Helena High also leads to positive precipitation anomalies over Angola plateau. Strong connection between precipitation anomalies over Lake Victoria and ENSO exists. El Nino events usually lead to positive precipitation anomalies over the Turkana Channel. Precipitation over western Kenya Highlands is significantly affected by Lake Victoria and the Arabian High. The

  20. Measurement of Persistent Organic Pollutants (POPs) in plastic resin pellets from remote islands : Toward establishment of baseline level for International Pellet Watch

    NASA Astrophysics Data System (ADS)

    Takada, H.; Heskett, M.; Yamashita, R.; Yuyama, M.; Itoh, M.; Geok, Y. B.; Ogata, Y.

    2011-12-01

    Plastic resin pellets collected from remote islands in open oceans (Canary, St. Helena, Cocos, Hawaii, Maui Islands and Barbados) were sorted and yellowing polyethylene (PE) pellets were measured for polychlorinated biphenyls (PCBs), dichlorodiphenyltrichloroethane and the degradation products (DDTs), and hexachlorocyclohexanes (HCHs) by gas chromatograph equipped with mass spectrometer (GC-MS) and with electron capture detector (GC-ECD). PCBs were detected from all the pellet samples, confirming the global dispersion of PCBs. Median concentrations of PCBs (sum of 13 congeners : CB-66, CB-101, CB-110, CB-118, CB-105, CB-149, CB-153, CB-138, CB-128, CB-187, CB-180, CB-170, CB-206) in the remote island pellets ranged from 0.1 to 10 ng/g-pellet. These were one to three orders of magnitude lower than those observed for pellets from industrialized coastal zones (hundreds ng/g in Los Angeles, Boston, Tokyo; Ogata et al., 2009). Because these remote islands are far (>100 km) from industrialized zones, these concentrations (i.e., 0.1 to 10 ng/g-pellet) can be regarded as global "baseline" level of PCB pollution. Concentrations of DDTs in the remote island pellets ranged from 0.2 to 5.5 ng/g-pellet. At some locations, DDT was dominant over the degradation products (DDE and DDD), suggesting current usage of the pesticides in the islands. HCHs concentrations were 0.4 - 1.8 ng/g-pellet and lower than PCBs and DDTs, except for St. Helena Island at 18.8 ng/g-pellet where the current usage of the pesticides are of concern. The analyses of pellets from the remote islands provided "baseline" level of POPs (PCBs < 10 ng/g-pellet, DDTs < 6 ng/g-pellet, HCHs < 2 ng/g-pellet). However, the present samples were from tropical and subtropical areas. To establish global baseline, especially to understand the effects of global distillation, pellet samples from remote islands in higher latitude regions are necessary. From the eco-toxicological point of view, the fact that sporadic high

  1. Late-Stage HIMU-Type Volcanism on the Walvis Ridge: Not just Part of an Age-Progressive Tristan-Gough Hotspot Track

    NASA Astrophysics Data System (ADS)

    Homrighausen, S.; Hoernle, K.; Hauff, F.; Portnyagin, M.; Werner, R.; Geldmacher, J.; Garbe-Schoenberg, C. D.

    2015-12-01

    The Walvis Ridge forms the NE portion of the Tristan-Gough hotspot track. It links the Etendeka large igneous province (LIP) in Africa, initially connected to the Parana LIP in South America, to the Guyot Province, that ends at the active volcanic islands of Tristan da Cunha and Gough. After the plume head stage, the hotspot changed from a ridge-centered plume tail, forming the Walvis Ridge and Rio Grande Rise (130-60 Ma), to an intraplate setting resulting in the geochemical distinct Tristan and Gough subtracks (Rohde et al. 2013; Geology 41). New major and trace element and radiogenic isotope data have been generated from 36 new dredge locations on the Walvis Ridge during R/V Sonne cruises SO233 and SO234. Based on the bathymetric data, we have identified tectonic structures and subsidence rates which indicate a complex geodynamic interplay of the Walvis Ridge formation and westward migration of the Mid Atlantic Ridge and the Rio Grande Rise. Our new results confirm that the age-progressive basement of the Walvis Ridge reflects only the enriched Gough component with no evidence of the Tristan component being present (Hoernle et al., 2015; Nat. Comm.). Superimposed large seamounts (including ridge- and guyot-like structures), especially in the SE portion of the Walvis Ridge, belong to a later-stage of alkalic volcanism with distinct HIMU incompatible element and Sr-Nd-Pb-Hf isotopic composition. The HIMU late-stage volcanism (206Pb/204Pb up to 20.8) is similar in composition to St. Helena and a late-stage (Eocene) sample from the Rio Grande Rise (Rohde et al., 2013; Tectonophysics 604). The new geochemical, bathymetric and existing age data indicate a magmatic reactivation c. 20-40 Ma after the formation of the Walvis Ridge basement, which may be related to passage of the Walvis Ridge over a batch of upwelling St. Helena type plume material. Our new results indicate a more complex formation of the Walvis Ridge than previously thought, which included two major

  2. Water-quality, bed-sediment, and biological data, for streams in the upper Prickly Pear Creek watershed, Montana, 2001

    USGS Publications Warehouse

    Klein, Terry L.; Thamke, Joanna N.; Harper, David D.; Farag, Aida M.; Nimick, David A.; Fey, David L.

    2003-01-01

    The upper Prickly Pear Creek watershed encompasses the upstream 15 miles of Prickly Pear Creek, south of Helena, Montana (fig. 1). The headwaters of Prickly Pear Creek and its tributaries (Beavertown Creek, Clancy Creek, Dutchman Creek, Golconda Creek, Lump Gulch, Spring Creek, and Warm Springs Creek) are primarily in the Helena National Forest, whereas the central part of the watershed primarily is within either Bureau of Land Management (BLM) or privately owned property. Three mining districts are present in the upper Prickly Pear Creek watershed: Alhambra, Clancy, and Colorado. Numerous prospects, adits, tailings piles, mills, dredge piles, and mines (mostly inactive) are located throughout the watershed. These districts contain polymetallic (Ag, Au, Cu, Pb, Zn) vein deposits and precious-metal (Au-Ag) vein and disseminated deposits that were exploited beginning in the 1860’s. Placer Au deposits in the major streams were extensively mined in the late 1800’s and early 1900’s.As part of a cooperative effort with Federal land management agencies, the U.S. Geological Survey (USGS) is currently using an integrated approach to investigate two mining impacted watersheds in the western United States (the Animas River in Colorado and the Boulder River in Montana). These studies provide the USDA Forest Service and BLM scientific data for implementing informed land-management decisions regarding cleanup of abandoned mine lands within each watershed. A similar integrated-science approach will be used to characterize the upper Prickly Pear Creek watershed with respect to water and streambed sediment chemistry, aquatic biota, and geologic framework. This integrated database presents data that will be used to identify important pathways of metals movement and biological impacts, thereby guiding resource management decisions of land-managers in several publications that are in preparation. Watershed-level characterization in terms of water quality, streambed sediment

  3. The rogue wave of 27 August 1969 at Dwarskersbos, South Africa: Field survey and simulation as a meteo-tsunami

    NASA Astrophysics Data System (ADS)

    Okal, Emile; de Beer, Coenie; Visser, Johan; Kalligeris, Nikos

    2013-04-01

    In the early hours of Wednesday, 27 August 1969, the village of Dwarskersbos, Western Cape, South Africa, was inundated by a wave which flooded houses and damaged small boats. This small tsunami took place in the absence of any seismic source or extreme weather, and its origin has remained mysterious. In September 2010, we conducted a field survey based on the interview of nine elderly witnesses still living in the village, using techniques developed earlier for the study of the 1946 Aleutian and 1956 Greek tsunamis. We measured 13 locations, with run-up reaching 2.9 m for a maximum inundation of 260 m from the sea shore. The most remarkable aspect of our dataset is the extreme concentration of the flooding along a stretch of coastline of less than 2 km. In particular, the tsunami did not reach the communities located on the opposite side of St. Helena's Bay, nor did it affect Elands Bay and Lamberts Bay, respectively 43 and 68 km to the North. In order to investigate the possible origin of the Dwarskersbos tsunami, we first simulated an underwater landslide taking place in a canyon 20 km Northwest of Shelley Point, using the MOST code. This model predicts comparable amplitudes along most of the regional coastlines, and thus fails to explain the documented concentration at Dwarskersbos. By contrast, we explore a meteorological origin for the event by simulating the coupling between a possible squall (modeled as a steep pressure front) propagating over St. Helena's Bay and the oceanic column, using Proudman's [1953] original model, as applied by Platzman [1958] to the case of the 1954 Chicago rogue wave. We find that a front moving at 15 m/s in the azimuth N100E can resonate exclusively with the shallow bathymetry off Dwarskersbos, and thus explain most of the features revealed by our survey. This interpretation would be in contrast to the case of the tsunami of 21 August 2008, for which a comprehensive seriesof maregraphs along a 900-km stretch of coastline

  4. On the configurations of the Atlantic Niño phenomenon under negative AMO phases

    NASA Astrophysics Data System (ADS)

    Martin-Rey, Marta; Rodríguez de Fonseca, Belen; Polo, Irene; Losada, Teresa; Lazar, Alban

    2016-04-01

    An air-sea coupled mode of inter-annual variability akin to ENSO emerges in the tropical Atlantic basin, named as Atlantic Niño. The teleconnections of the Atlantic Niño phenomenon have changed during recent decades, coinciding with an alteration of its spatial configuration. Previous studies have suggested that the background state could favour particular atmospheric forcings and could also contribute to generate different variability modes. Here, we demonstrate that two different Atlantic Niño patterns coexist in the tropical Atlantic basin during certain decades, coinciding with a negative phase of the Atlantic Multidecadal Oscillation (AMO). The leading mode, Basin-Wide (BW) Atlantic Niño, is characterized by positive SST anomalies covering the entire tropical Atlantic and the second mode, Dipolar (D) Atlantic Niño, presents an equatorial warming flanked by negative SST anomalies in north and south Tropical Atlantic. These modes are driven by different wind patterns, controlled by the Subtropical High Pressure Systems. The BW-Atlantic Niño is preceded by a weakening of both Azores and Sta Helena High, which induces a general reduction of the tropical trades and anomalous wind convergence in the equatorial band. On the other hand, the D-Atlantic Niño is associated with a strengthening of Azores High and a weakening of Sta Helena High, given rise to a meridional Sea Level Pressure (SLP) gradient that intensifies the subtropical trades and generate anomalous trans-equatorial winds along the equatorial band. Both modes seem to be forced by an ENSO-like signal emanating from the Pacific, but with different atmospheric response over the Atlantic. It could be attributed to the changes in the mean state during negative AMO phases. For these decades, shallower thermocline conditions, together with an increase of the oceanic variability (SST and thermocline) in the tropical Atlantic could contribute to the generation of both Atlantic Niño modes. Furthermore, a

  5. Air-sea interactions and oceanic processes in the development of different Atlantic Niño patterns

    NASA Astrophysics Data System (ADS)

    Martin-Rey, Marta; Polo, Irene; Rodríguez-Fonseca, Belén; Lazar, Alban

    2016-04-01

    Atlantic Niño is the leading mode of inter-annual variability of the tropical Atlantic basin at inter-annual time scales. A recent study has put forward that two different Atlantic Niño patterns co-exist in the tropical Atlantic basin during negative phases of the Atlantic Multidecadal Oscillation. The leading mode, Basin-Wide (BW) Atlantic Niño is characterized by an anomalous warming extended along the whole tropical basin. The second mode, the Dipolar (D) Atlantic Niño presents positive Sea Surface Temperature (SST) anomalies in the central-eastern equatorial band, surrounded by negative ones in the North and South tropical Atlantic. The BW Atlantic Niño is associated with a weakening of both Azores and Sta Helena High, which reduces the tropical trades during previous autumn-winter. On the other hand, the D-Atlantic Niño is related to a strengthening of the Azores and a weakening of Helena High given rise to a meridional Sea Level Pressure (SLP) gradient that originates an intensification of the subtropical trades and anomalous westerlies along the equatorial band. This different wind forcing suggests that different oceanic processes could act in the development of the BW and D Atlantic Niño patterns. For this reason, an inter-annual simulation with the ocean NEMO model has been performed and the heat budget analysis has been analysed for each Atlantic Niño mode. The results suggest that the two Atlantic Nino configurations have different timing. The heat budget analysis reveals that BW Atlantic Nino SST pattern is due to anomalous air-sea heat fluxes in the south tropical and western equatorial Atlantic during the autumn-winter, while vertical processes are responsible of the warming in the central and eastern part of the basin during late-winter and spring. For the D-Atlantic Nino, the subtropical cooling is attributed to turbulent heat fluxes, the equatorial SST signal is mainly forced by vertical entrainment. The role of the oceanic waves in the

  6. Analysis and inundation mapping of the April-May 2011 flood at selected locations in northern and eastern Arkansas and southern Missouri

    USGS Publications Warehouse

    Westerman, Drew A.; Merriman, Katherine R.; De Lanois, Jeanne L.; Berenbrock, Charles

    2013-01-01

    Precipitation that fell from April 19 through May 3, 2011, resulted in widespread flooding across northern and eastern Arkansas and southern Missouri. The first storm produced a total of approximately 16 inches of precipitation over an 8-day period, and the following storms produced as much as 12 inches of precipitation over a 2-day period. Moderate to major flooding occurred quickly along many streams within Arkansas and Missouri (including the Black, Cache, Illinois, St. Francis, and White Rivers) at levels that had not been seen since the historic 1927 floods. The 2011 flood claimed an estimated 21 lives in Arkansas and Missouri, and damage caused by the flooding resulted in a Federal Disaster Declaration for 59 Arkansas counties that received Federal or State assistance. To further the goal of documenting and understanding floods, the U.S. Geological Survey, in cooperation with the Federal Emergency Management Agency, the U.S. Army Corps of Engineers–Little Rock and Memphis Districts, and Arkansas Natural Resources Commission, conducted a study to summarize meteorological and hydrological conditions before the flood; computed flood-peak magnitudes for 39 streamgages; estimated annual exceedance probabilities for 37 of those streamgages; determined the joint probabilities for 11 streamgages paired to the Mississippi River at Helena, Arkansas, which refers to the probability that locations on two paired streams simultaneously experience floods of a magnitude greater than or equal to a given annual exceedance probability; collected high-water marks; constructed flood-peak inundation maps showing maximum flood extent and water depths; and summarized flood damages and effects. For the period of record used in this report, peak-of-record stage occurred at 24 of the 39 streamgages, and peak-of-record streamflow occurred at 13 of the 30 streamgages where streamflow was determined. Annual exceedance probabilities were estimated to be less than 0.5 percent at three

  7. Audience-response systems for evaluation of pediatric lectures--comparison with a classic end-of-term online-based evaluation.

    PubMed

    Bode, Sebastian Felix Nepomuk; Straub, Christine; Giesler, Marianne; Biller, Silke; Forster, Johannes; Krüger, Marcus

    2015-01-01

    Zielsetzung: Lehrveranstaltungsevaluationen werden oft zeitverzögert zur Lehrveranstaltung durchgeführt und ausgewertet. Mit dem elektronischen Evaluationsmedium Audience Response System (ARS) kann unmittelbar während oder nach Ende einer Lehrveranstaltung Feedback eingeholt, dargestellt und diskutiert werden. In dieser Arbeit wird eine studentische ARS-Vorlesungsevaluation analysiert. Es wird überprüft, ob signifikante Unterschiede zwischen den Ergebnissen der ARS-Vorlesungsevaluation und der Online-Evaluation am Ende des Semesters bestehen. Hierbei wird der Zusammenhang des studentischen Vorwissens, der Gestaltung der Lehrveranstaltung durch die Lehrenden sowie der Relevanz des Vorlesungsthemas für die Studierenden in Bezug auf die Gesamtbewertung betrachtet. Methodik: Im Wintersemester 2011/2012 wurde die Pädiatrievorlesung am Zentrum für Kinder- und Jugendmedizin (ZKJ) Freiburg mit Hilfe eines ARS evaluiert. Es wurden 34 Vorlesungen von durchschnittlich 22 (range 8-44) Studierenden mit jeweils vier Fragen evaluiert. Ergebnisse: Auf einer 6-stufigen Likert-Skala (1=sehr gut bis 6=ungenügend) bewerteten die Studierenden ihr Vorwissen im Mittel mit 3,18, die Vorlesungsgestaltung mit 2,44 und die Relevanz des Vorlesungsthemas mit 2,19. Die Gesamtbewertung der Vorlesung mittels ARS-Evaluation ergab die Note 2,31. In der Online Evaluation am Ende des Semesters wurde die Note 2,45 ermittelt. Es zeigt sich hoch signifikante Zusammenhänge zwischen den durch den Einsatz des ARS erhobenen Ergebnissen der Gesamtbewertung, dem Vorwissen der Studierenden, der Vorlesungsgestaltung sowie der selbsteingeschätzten Relevanz des Vorlesungsthemas. Schlussfolgerung: Der Einsatz von ARS ist zur unmittelbaren Vorlesungs- Evaluation, insbesondere im Hinblick auf zeitnahe (lehr-)personenbezogene Rückmeldungen geeignet. Im Vergleich zu einer Semesterende-Evaluation zeigt sich in der ARS-Evaluation eine bessere Bewertung.

  8. Imidazole receptors. 22-24 July 1998, Bonn, Germany.

    PubMed

    Head, G A

    1998-10-01

    This two-day symposium was the third international meeting on imidazoline receptors and an official satellite of the XIIIth International Congress of Pharmacology, held the following week in Munich. The meeting was very well-organized by the local hosts, Manfred Gothert and Gert Molderings (Pharmacology Department, Bonn University, Germany). With approximately 100 participants from 13 countries, representing Europe, North and South America, and Australia, the symposium was slightly smaller than the 1994 meeting in New York, but similar in size to the 1992 inaugural meeting in Paris. What stood out from this meeting was the considerable maturation in the confidence that imidazoline-binding sites are functional receptors. Also, the therapeutic implications have dramatically diversified in the last four years. It is now thought that these receptors play a role in hypertension, pancreatic function, cell proliferation, regulation of body fat, neuroprotection, inflammation and some psychiatric disorders, such as depression. This may partly explain the reluctance to further classify imidazoline subtypes, while the previous I1 and I2 classification is now clearly inadequate to satisfy the four to five subtypes that were described. The format of the meeting was similar to those held previously with 27 invited state of the art presentations divided into seven sessions covering topics from molecular and cellular biology, endogenous ligands, receptor identification and classification through functional studies and pathophysiology and their relevance. Over 40 submitted posters were displayed for the entire meeting and a new addition to the format was an evening set aside for three concurrent poster discussion sessions, which provided each participant with the opportunity to present work to a wider audience. This review will focus on the major developments presented at the symposium following the thematic outline of the program.

  9. Development of the clinic of pulmonology and allergy.

    PubMed

    Dokic, D

    2013-01-01

    University Pulmology and Allergy Clinic was founded in 1975 when the Depertment of Internal Medicine, directed by Prof. Dr. Dimitar Arsov, later member of the Macedonian Academy of Sciencies and Arts, was divided into eight separate and independent clinics. The first head of the Pulmonology and Allergy Clinic was Prof. Dr. Ljubomir Kotevski. He had a very difficult goal: to establish and further develop the newly formed clinic. The Clinic flourished and became one of the leading Clinics in the Clinical Centre during the directorship of Prof. dr. Dejan Dokic.. He completely rebuilt and refurbished the Clinic, which became a modern Clinic providing excellent working conditions for the employees and, most importantly, provided a first class service to the patients. During his mandate he obtained a grant from the Japanese Government worth $1,000,000 which was used to obtain a new, modern and sophisticated medical equipment. Since the establishment of the clinic, many national and international scientific projects were carried out and many scientific papers were published as well as many monographs, and chapters in scientific books. As a result of continuous education, of the total number of 24 doctors there are 16 subspecialists in respiratory medicine and 4 specialists in internal medicine. There are 9 professors in internal medicine at the University of Pulmonology and Allergy Clinic lecturing at the Medical Faculty in Skopje. The University Pulmonology and Allergy Clinic has an international reputation due to many contacts with famous European Institutions. All these international interrelations have resulted in honouring 3 professors: Prof. Dr. Gert Kunkel from Berlin, Germany, Prof. Dr. Robert Loddenkemper from Berlin, Germany and Prof. Dr. Peter Howard from Southampton, UK.

  10. Overview of the Field Phase of the NASA Tropical Cloud Systems and Processes (TCSP)Experiment

    NASA Technical Reports Server (NTRS)

    Hood, Robbie E.; Zipser, Edward; Heymsfield, Gerald M.; Kakar, Ramesh; Halverson Jeffery; Rogers, Robert; Black, Michael

    2006-01-01

    The Tropical Cloud Systems and Processes experiment is sponsored by the National Aeronautics and Space Administration (NASA) to investigate characteristics of tropical cyclone genesis, rapid intensification and rainfall using a three-pronged approach that emphasizes satellite information, suborbital observations and numerical model simulations. Research goals include demonstration and assessment of new technology, improvements to numerical model parameterizations, and advancements in data assimilation techniques. The field phase of the experiment was based in Costa Rica during July 2005. A fully instrumented NASA ER-2 high altitude airplane was deployed with Doppler radar, passive microwave instrumentation, lightning and electric field sensors and an airborne simulator of visible and infrared satellite sensors. Other assets brought to TCSP were a low flying uninhabited aerial vehicle, and a surface-based radiosonde network. In partnership with the Intensity Forecasting Experiment of the National Oceanic and Atmospheric Administration (NOAA) Hurricane Research Division, two NOAA P-3 aircraft instrumented with radar, passive microwave, microphysical, and dropsonde instrumentation were also deployed to Costa Rica. The field phase of TCSP was conducted in Costa Rica to take advantage of the geographically compact tropical cyclone genesis region of the Eastern Pacific Ocean near Central America. However, the unusual 2005 hurricane season provided numerous opportunities to sample tropical cyclone development and intensification in the Caribbean Sea and Gulf of Mexico as well. Development of Hurricane Dennis and Tropical Storm Gert were each investigated over several days in addition to Hurricane Emily as it was close to Saffir-Simpson Category 5 intensity. An overview of the characteristics of these storms along with the pregenesis environment of Tropical Storm Eugene in the Eastern Pacific will be presented.

  11. Comparison of 37 months global net radiation flux derived from PICARD-BOS over the same period observations of CERES and ARGO

    NASA Astrophysics Data System (ADS)

    Zhu, Ping; Wild, Martin

    2016-04-01

    The absolute level of the global net radiation flux (NRF) is fixed at the level of [0.5-1.0] Wm-2 based on the ocean heat content measurements [1]. The space derived global NRF is at the same order of magnitude than the ocean [2]. Considering the atmosphere has a negligible effects on the global NRF determination, the surface global NRF is consistent with the values determined from space [3]. Instead of studying the absolute level of the global NRF, we focus on the interannual variation of global net radiation flux, which were derived from the PICARD-BOS experiment and its comparison with values over the same period but obtained from the NASA-CERES system and inferred from the ocean heat content survey by ARGO network. [1] Allan, Richard P., Chunlei Liu, Norman G. Loeb, Matthew D. Palmer, Malcolm Roberts, Doug Smith, and Pier-Luigi Vidale (2014), Changes in global net radiative imbalance 1985-2012, Geophysical Research Letters, 41 (no.15), 5588-5597. [2] Loeb, Norman G., John M. Lyman, Gregory C. Johnson, Richard P. Allan, David R. Doelling, Takmeng Wong, Brian J. Soden, and Graeme L. Stephens (2012), Observed changes in top-of-the-atmosphere radiation and upper-ocean heating consistent within uncertainty, Nature Geoscience, 5 (no.2), 110-113. [3] Wild, Martin, Doris Folini, Maria Z. Hakuba, Christoph Schar, Sonia I. Seneviratne, Seiji Kato, David Rutan, Christof Ammann, Eric F. Wood, and Gert Konig-Langlo (2015), the energy balance over land and oceans: an assessment based on direct observations and CMIP5 climate models, Climate Dynamics, 44 (no.11-12), 3393-3429.

  12. Bewehrte Betonbauteile unter Betriebsbedingungen: Forschungsbericht

    NASA Astrophysics Data System (ADS)

    Eligehausen, Rolf; Kordina, Karl; Schießl, Peter

    2000-09-01

    Vorwort. Teil I: Rißbreiten (Gert König) 1 Ein mechanisches Modell zur Erhöhung der Vorhersagegenauigkeit über die Rißbreiten unter Betriebsbedingungen (Gert König und Michael Fischer). 1.1 Einleitung und Zielsetzung. 1.2 Versuchsprogramm. 1.3 Meßtechnik. 1.4 Belastung und Versuchsdurchführung. 1.5 Literatur. 2 Rißbreiten und Verformungszunahme vorgespannter Bauteile unter wiederholter Last - und Zwangbeanspruchung (Gert König und Michael Fischer). 2.1 Einleitung und Zielsetzung. 2.2 Versuchsprogramm. 2.3 Auswertung. 2.4 Ausblick. 2.5 Literatur. 3 Rißverhalten von Beton bei plötzlicher Abkühlung (Viktor Mechtcherine und Harald S. Müller). 3.1 Einleitung. 3.2 Experimentelle Untersuchungen. 3.3 Formulierung eines Stoffgesetzes für thermisch beanspruchten Beton. 3.4 Riß entwicklung in einer Betonplatte unter Temperaturschock. 3.5 Zusammenfassung. 3.6 Literatur. 4 Stahlfaserbeton unter Betriebsbedingungen bei Dauerbeanspruchung (Bo Soon Kang, Bernd Schnütgen und Friedhelm Stangenberg). 4.1 Einleitung. 4.2 Wirkung von Stahlfasern im Beton. 4.3 Versuchsprogramm. 4.4 Untersuchungen zum Verbundverhalten. 4.5 Untersuchungen zum Verhalten unter Biegebeanspruchung. 4.6 Theoretische Untersuchungen. 4.7 Literatur. 5 Experimentelle Untersuchungen an Stahlbeton-Zugkörpern unter wiederholter Belastung zur Ermittlung des versteifenden Einflusses der Mitwirkung des Betons zwischen den Rissen (Petra Seibel und Gerhard Mehlhorn). 5.1 Einleitung. 5.2 Ansatz zur Bestimmung der Mitwirkung des Betons zwischen den Rissen nach Eurocode 2, Model Code 90 und Günther. 5.3 Experimentelle Untersuchungen. 5.4 Ergebnisse. 5.5 Zusammenfassung. 5.6 Literatur. 6 Riß- und Verformungsverhalten von vorgefertigten Spannbetonträgern unter Betriebsbedingungen bei besonderer Berücksichtigung des Betonalters (Monika Maske, Heinz Meichsner und Lothar Schubert). 6.1 Einleitung. 6.2 Beschreibung der Fertigteilträger. 6.3 Belastungsversuche. 6.4 Ergebnisse. 6.5 Zusammenfassung. 6

  13. Patterns of sedentary behavior and compliance with public health recommendations in Spanish adolescents: the AFINOS study.

    PubMed

    Martínez Gómez, David; Veiga, Oscar L; Zapatera, Belén; Cabanas-Sánchez, Verónica; Gomez-Martinez, Sonia; Martinez-Hernández, David; Marcos, Ascensión

    2012-12-01

    The aims of the present study were: (i) describe patterns of sedentary behavior in Spanish adolescents; and (ii) determine the proportion of adolescents that do not meet the public health recommendations for sedentary behavior. This study comprised 1,724 Spanish adolescents (882 girls), aged 13 to 16 years. Patterns of sedentary behavior (TV viewing, use of computer games, console games and surfing the Internet) were assessed using the HELENA sedentary behavior questionnaire. The total proportion of adolescents watching TV, using computer and console games, and surfing the internet for more than two hours daily was 24%, 9%, 7%, and 17%, respectively, on weekdays, and 50%, 22%, 16%, and 35%, respectively, on weekends. Over 63% of the adolescents from the study did not meet the recommendation for sedentary behavior (< 2 hours daily screen time) on weekdays and 87% did not comply with this recommendation on weekends. Since sedentary behavior plays a key role in adolescent health, public health interventions in Spain that take these factors into consideration are needed.

  14. Multielement chemical and statistical analyses from a uranium hydrogeochemical and stream-sediment survey in and near the Elkhorn Mountains, Jefferson County, Montana; Part II, Stream sediments

    USGS Publications Warehouse

    Suits, V.J.; Wenrich, K.J.

    1982-01-01

    Fifty-two stream-sediment samples, collected from an area south of Helena, Jefferson County, Montana, were sieved into two size fractions (50 ppm for the fine fraction) were encountered in samples from the Warm Springs Creek drainage area, along Prickly Pear Creek near Welmer and Golconda Creeks and along Muskrat Creek. All groups showed a significant correlation at the 99 percent confidence level (r between 0.73 and 0.77) between U and Th. Uranium was found to correlate significantly only with Th (as mentioned above) and with -Ni in the fine fraction of the volcanics group. U correlates significantly with -Al2O3, Ba, organic C, -K2O, -Sr and Y in both size fractions for the Boulder batholith. Correlations between U and each of several elements differ for the fine and coarse fractions of the Boulder batholith group, suggesting that the U distribution in these stream sediments is in large part controlled by grain size. Correlations were found between U and CaO, Cr, Fe203, -Na2O, Sc, -SiO2, TiO2, Yb and Zr in the coarse fraction but not in the fine fraction. U correlates weakly (to the 90% confidence level, crc<.37) with -Co and -Cu in the fine but not the coarse fraction. These results are compared to a previous study in the northern Absaroka mountains. Correlation coefficients between all other elements determined from these samples are also shown in Tables 12 to 15.

  15. SHRIMP U-Pb geochronology of volcanic rocks, Belt Supergroup, western Montana: Evidence for rapid deposition of sedimentary strata

    USGS Publications Warehouse

    Evans, K.V.; Aleinikoff, J.N.; Obradovich, J.D.; Fanning, C.M.

    2000-01-01

    New sensitive high resolution ion microprobe (SHRIMP) U-Pb zircon analyses from two tuffs and a felsic flow in the middle and upper Belt Supergroup of northwestern Montana significantly refine the age of sedimentation for this very thick (15-20 km) Middle Proterozoic stratigraphic sequence. In ascending stratigraphic order, the results are (1) 1454 ?? 9 Ma for a tuff in the upper part of the Helena Formation at Logan Pass, Glacier National Park; (2) 1443 ?? 7 Ma for a regionally restricted porphyritic rhyolite to quartz latite flow of the Purcell Lava in the Yaak River region; and (3) 1401 ?? 6 Ma for a tuff in the very thin transition zone between the Bonner Quartzite and Libby Formation, west of the town of Libby. Combining these ages with those previously published by other workers for ca. 1470-Ma sills in the lower Belt in Montana and Canada indicates that all but the uppermost Belt strata (about 1700 m) were deposited over a period of about 70 million years, considerably reducing the time span from longstanding estimates ranging from 250 to 600 million years. Calculated sediment accumulation rates between dated samples indicates rapid, but not unreasonable, values for early Belt strata, with decreasing rates through time. These ages also suggest the inadequacy of previously published paleomagnetic data to resolve Belt Supergroup chronology at an appropriate level of accuracy.

  16. A Compilation of Spatial Digital Databases for Selected U.S. Geological Survey Nonfuel Mineral Resource Assessments for Parts of Idaho and Montana

    USGS Publications Warehouse

    Carlson, Mary H.; Zientek, Michael L.; Causey, J. Douglas; Kayser, Helen Z.; Spanski, Gregory T.; Wilson, Anna B.; Van Gosen, Bradley S.; Trautwein, Charles M.

    2007-01-01

    This report compiles selected results from 13 U.S. Geological Survey (USGS) mineral resource assessment studies conducted in Idaho and Montana into consistent spatial databases that can be used in a geographic information system. The 183 spatial databases represent areas of mineral potential delineated in these studies and include attributes on mineral deposit type, level of mineral potential, certainty, and a reference. The assessments were conducted for five 1? x 2? quadrangles (Butte, Challis, Choteau, Dillon, and Wallace), several U.S. Forest Service (USFS) National Forests (including Challis, Custer, Gallatin, Helena, and Payette), and one Bureau of Land Management (BLM) Resource Area (Dillon). The data contained in the spatial databases are based on published information: no new interpretations are made. This digital compilation is part of an ongoing effort to provide mineral resource information formatted for use in spatial analysis. In particular, this is one of several reports prepared to address USFS needs for science information as forest management plans are revised in the Northern Rocky Mountains.

  17. Age, geochemical characteristics and petrogenesis of Cenozoic intraplate alkaline volcanic rocks in the Bafang region, West Cameroon

    NASA Astrophysics Data System (ADS)

    Tchuimegnie Ngongang, Nicaise Blaise; Kamgang, Pierre; Chazot, Gilles; Agranier, Arnaud; Bellon, Hervé; Nonnotte, Philippe

    2015-02-01

    The origin of the volcanism in the Cameroon Volcanic Line and the nature of its mantle sources are still highly controversial. We present major and trace element compositions as well as Sr-Nd-Pb-Hf isotopic results on mafic and intermediate lavas from the Bafang area in the central part of the Cameroon Volcanic Line. The lavas range from basanites and basalts to hawaiites and mugearites with an alkaline affinity and were emplaced between 10 and 6 Ma ago. The evolution from basalts and basanites to more differentiated rocks involved fractionation of olivine, clinopyroxene and Fe-Ti oxides, but the isotopic compositions show that crustal contamination processes affected some magmas during their ascent in the crust. Basalts and basanites originated from a garnet-bearing mantle source and their differences are mostly due to variable degrees of partial melting. The isotopic composition of the uncontaminated samples imply the participation of three distinct mantle components, the depleted MORB mantle (not dominant), an enriched component and a Pb radiogenic component similar to the source of the Mount Cameroon. Combined with previously published isotopic data from the Cameroon Volcanic Line, our new results indicate that the source of the volcanism mostly reside in the lithospheric mantle and is different from what can be expected from the melting of a mantle accreted from or modified during the emplacement of the St. Helena mantle plume.

  18. Conceptual design and infrastructure for the installation of the first AGATA sub-array at LNL

    NASA Astrophysics Data System (ADS)

    Gadea, A.; Farnea, E.; Valiente-Dobón, J. J.; Million, B.; Mengoni, D.; Bazzacco, D.; Recchia, F.; Dewald, A.; Pissulla, Th.; Rother, W.; de Angelis, G.; Austin, A.; Aydin, S.; Badoer, S.; Bellato, M.; Benzoni, G.; Berti, L.; Beunard, R.; Birkenbach, B.; Bissiato, E.; Blasi, N.; Boiano, C.; Bortolato, D.; Bracco, A.; Brambilla, S.; Bruyneel, B.; Calore, E.; Camera, F.; Capsoni, A.; Chavas, J.; Cocconi, P.; Coelli, S.; Colombo, A.; Conventi, D.; Costa, L.; Corradi, L.; Corsi, A.; Cortesi, A.; Crespi, F. C. L.; Dosme, N.; Eberth, J.; Fantinel, S.; Fanin, C.; Fioretto, E.; Fransen, Ch.; Giaz, A.; Gottardo, A.; Grave, X.; Grebosz, J.; Griffiths, R.; Grodner, E.; Gulmini, M.; Habermann, T.; He, C.; Hess, H.; Isocrate, R.; Jolie, J.; Jones, P.; Latina, A.; Legay, E.; Lenzi, S.; Leoni, S.; Lelli, F.; Lersch, D.; Lunardi, S.; Maron, G.; Menegazzo, R.; Michelagnoli, C.; Molini, P.; Montagnoli, G.; Montanari, D.; Möller, O.; Napoli, D. R.; Nicoletto, M.; Nicolini, R.; Ozille, M.; Pascovici, G.; Peghin, R.; Pignanelli, M.; Pucknell, V.; Pullia, A.; Ramina, L.; Rampazzo, G.; Rebeschini, M.; Reiter, P.; Riboldi, S.; Rigato, M.; Rossi Alvarez, C.; Rosso, D.; Salvato, G.; Strachan, J.; Sahin, E.; Scarlassara, F.; Simpson, J.; Stefanini, A. M.; Stezowski, O.; Tomasi, F.; Toniolo, N.; Triossi, A.; Turcato, M.; Ur, C. A.; Vandone, V.; Venturelli, R.; Veronese, F.; Veyssiere, C.; Viscione, E.; Wieland, O.; Wiens, A.; Zocca, F.; Zucchiatti, A.; AGATA Collaboration; PRISMA Collaboration

    2011-10-01

    The first implementation of the AGATA spectrometer consisting of five triple germanium detector clusters has been installed at Laboratori Nazionali di Legnaro, INFN. This setup has two major goals, the first one is to validate the γ-tracking concept and the second is to perform an experimental physics program using the stable beams delivered by the Tandem-PIAVE-ALPI accelerator complex. A large variety of physics topics will be addressed during this campaign, aiming to investigate both neutron and proton-rich nuclei. The setup has been designed to be coupled with the large-acceptance magnetic-spectrometer PRISMA. Therefore, the in-beam prompt γ rays detected with AGATA will be measured in coincidence with the products of multinucleon-transfer and deep-inelastic reactions measured by PRISMA. Moreover, the setup is versatile enough to host ancillary detectors, including the heavy-ion detector DANTE, the γ-ray detector array HELENA, the Cologne plunger for lifetime measurements and the Si-pad telescope TRACE. In this paper the design, characteristics and performance figures of the setup will be described.

  19. Recent developments in the global geomagnetic observatory network

    NASA Astrophysics Data System (ADS)

    Chulliat, A.

    2011-12-01

    Magnetic observatories provide precise and continuous measurements of geomagnetic variations over time scales ranging from one second to more than a century. They have been an essential observational infrastructure for geomagnetic research for about 170 years. A large fraction of magnetic observatories belong to INTERMAGNET (International Real-time Magnetic Observatory Network), a global network founded in the late 1980s which now includes about 115 observatories in 45 countries. INTERMAGNET magnetic observatories comply with strict data quality and timeliness standards and distribute their data through an integrated data information system. Recent years have seen a rapid expansion of the global network: new observatories have been installed in remote locations, such as oceanic islands (St Helena, Easter Island, Tristan da Cunha) or Antarctica (Dome C); ancient observatories have been upgraded to international standards (for example in China and Siberia). This has been prompted by the need to have a more geographically homogeneous network. In parallel, new data products (one second data and quasi-definitive data) are being made available, addressing a wide variety of research needs, and real timeliness is being improved for operational purposes such as space weather monitoring and forecasting. This presentation will provide an overview of these recent developments, focusing on those most relevant to the geomagnetic modeling community, and discuss their expected scientific benefits.

  20. Changes in solar quiet magnetic variations since the Maunder Minimum: A comparison of historical observations and model simulations

    NASA Astrophysics Data System (ADS)

    Cnossen, Ingrid; Matzka, Jürgen

    2016-10-01

    Magnetic measurements going back to the eighteenth century offer a unique opportunity to study multicentennial changes in the upper atmosphere. We analyzed measurements from Rome and Mannheim from May 1782 to May 1783 and measurements from Greenwich, St. Helena, Cape of Good Hope, and Singapore from May 1841 to May 1842. A comparison of the daily magnetic variations in these historical data with modern-day observations from 2010 at nearby stations (where available) showed notable differences in the amplitude and/or phase of the X and Y components. Model simulations indicated that these can be explained at least to some extent by changes in the Earth's main magnetic field. Changes in the main field strength and the northwestward movement of the magnetic equator, in particular in the region of the South Atlantic Anomaly, have caused changes in the positioning, shape, and strength of the equivalent current vortices in the ionosphere that result in the magnetic perturbations on the ground. Differences in solar activity between the historical and modern epochs, which were all near solar minima, were too small to have a notable effect on the ground magnetic perturbations. However, in regions where main magnetic field changes have been relatively small for the last 400 years, e.g., in Singapore, the effects of a long-term increase in solar activity from Maunder Minimum conditions to normal solar minimum conditions (an increase in F10.7 of 35 solar flux units) were comparable to the effects of geomagnetic main field changes.

  1. Channelling the Emperor: what really killed Napoleon?

    PubMed

    Mari, Francesco; Bertol, Elisabetta; Fineschi, Vittorio; Karch, Steven B

    2004-08-01

    Arsenic was present in Napoleon's hair before he arrived on Saint Helena and the findings at necropsy are consistent only with the diagnosis of ulcerating, regionally invasive, gastric carcinoma. The question of whether Napoleon died of, or merely with, arsenic poisoning is illuminated by developments in the treatment of promyelocytic leukaemia. Arsenic trioxide induces remission in many, but treatment can be complicated by QT prolongation, torsades de pointes and sudden death. At clinically relevant concentrations, arsenic blocks both I(Kr) and I(ks) channels and, at the same time, activates I(K-ATP) channels. The balance of these forces is easily disrupted, and QT prolongation is worsened by hypokalaemia. Napoleon was chronically treated with tartar emetic for gastrointestinal symptoms, and the day before he died he was given a huge dose of calomel (mercurous chloride) as a purgative. Both treatments would have caused potassium wastage. In addition, the Emperor was being treated with a decoction containing 'bark'-presumably 'Jesuit's bark'. The quinine in Jesuit's bark is another cause of QT prolongation. It is likely that the immediate cause of the Emperor's death was torsades de pointes, brought on by chronic exposure to arsenic and a medication error.

  2. The medical mystery of Napoleon Bonaparte: an interdisciplinary exposé.

    PubMed

    Lugli, Alessandro; Clemenza, Massimiliano; Corso, Philip E; di Costanzo, Jacques; Dirnhofer, Richard; Fiorini, Ettore; Herborg, Costanza; Hindmarsh, John Thomas; Orvini, Edoardo; Piazzoli, Adalberto; Previtali, Ezio; Santagostino, Angela; Sonnenberg, Amnon; Genta, Robert M

    2011-03-01

    Napoleon Bonaparte (1769 to 1821) is one of the most studied historical figures in European history. Not surprisingly, amongst the many mysteries still surrounding his person is the cause of his death, and particularly the suspicion that he was poisoned, continue to intrigue medical historians. After the defeat of the Napoleonic Army at the battle of Waterloo in 1815, Napoleon was exiled to the small island of Saint Helena in the South Atlantic, where he died 6 years later. Although his personal physician, Dr François Carlo Antommarchi, stated in his autopsy report that stomach cancer was the cause of death, this diagnosis was challenged in 1961 by the finding of an elevated arsenic concentration in one of Napoleon's hair samples. At that time it was suggested that Napoleon had been poisoned by one of his companions in exile who was allegedly supported by the British Government. Since then Napoleon's cause of death continues to be a topic of debate. The aim of this review is to use a multidisciplinary approach to provide a systematic and critical assessment of Napoleon's cause of death.

  3. Activation analyses of authenticated hairs of Napoleon Bonaparte confirm arsenic poisoning.

    PubMed

    Weider, B; Fournier, J H

    1999-12-01

    In 1960, activation analyses at the Harwell Nuclear Research Laboratory of the University of Glascow, London of authenticated hairs of Napoleon Bonaparte taken immediately after his death confirmed Napoleon's chronic arsenic poisoning on the island of St. Helena. Timeline correlation of his clinical symptomatology of the preceding 4 months, as reported in the written diaries of his exiled companions, further supports the effect of fluctuating, elevated toxic levels of arsenic on his health. Independent analyses of authenticated hairs of Napoleon by the Toxicology Crime Laboratory of the United States Federal Bureau of Investigation in 1995 reveals toxic levels of arsenic. The successful assassination of Napoleon included both a cosmetic and lethal phase. The cosmetic phase consisted of arsenic poisoning over time to weaken Napoleon, making the associated debility appear to be a natural illness and thus allay any suspicions prior to instituting the lethal phase. On May 3, 1821, at 5:30 P.M., the lethal phase was carried out. Napoleon was given Calomel (HgCl), a cathartic, and a popular orange-flavored drink called orgeat, which was flavored with the oil of bitter almonds. Together they formed mercury cyanide, which is lethal. Napoleon lost consciousness and died two days later.

  4. Mantle: More HIMU in the future?

    NASA Astrophysics Data System (ADS)

    Vidal, Ph.

    1992-12-01

    High μ (HIMU) islands such as St. Helena in the southern Atlantic Ocean, and Tubuaii and Mangaia in the Australes (Polynesia), are known for having mantle sources relatively enriched in some high field-strength elements (HFSE) such as Nb, and, as deduced from their extremely enriched lead isotopic compositions, long-lived high U/Pb (μ) ratios. A second group of HIMU mantle reservoirs is well identified in the Pacific Ocean, at Ua Pou (Marquesas), Mururoa and Fangataufa (Gambiers), Guadalupe; and in the Atlantic Ocean, in the New England seamounts, Azores, Cape Verde, and Canarias. In contrast to Group I, these exhibit a much less pronounced enrichment in radiogenic lead due to only a recent increase in the μ ratio, whereas HFSE enrichment and lead depletion (as visible from high Ce/Pb ratios) are more pronounced than in Group I. If the HIMU reservoir is related to recycling of subducted lithosphere impoverished by dehydration in some elements enriched in arc magmas, the evolution of the thermal régime in subduction zones makes the HIMU reservoir progressively more abundant with time. During the early to middle Precambrian, a large part of the subducted lithosphere was melted; hence the residue recycled in the mantle was not sufficiently fertile to allow further basaltic melt extraction. In contrast, in modern, cooler subduction zones, dehydration and the subsequent extraction by fluids of mobile elements leaves behind a fertile residue.

  5. Water-level surface in the Chicot equivalent aquifer system in southeastern Louisiana, 2009

    USGS Publications Warehouse

    Tomaszewski, Dan J.

    2011-01-01

    The Chicot equivalent aquifer system is an important source of freshwater in southeastern Louisiana. In 2005, about 47 million gallons per day (Mgal/d) were withdrawn from the Chicot equivalent aquifer system in East Baton Rouge, East Feliciana, Livingston, Tangipahoa, St. Helena, St. Tammany, Washington, and West Feliciana Parishes. Concentrated withdrawals exceeded 5 Mgal/d in Bogalusa, the city of Baton Rouge, and in northwestern East Baton Rouge Parish. In the study area, about 30,000 wells screened in the Chicot equivalent aquifer system were registered with the Louisiana Department of Transportation and Development (LaDOTD). These wells were constructed for public-supply, industry, irrigation, and domestic uses. Most of the wells were registered as domestic-use wells and are small-diameter, low-yielding wells. Total withdrawal from the Chicot equivalent aquifer system for domestic use was estimated to be 12 Mgal/d in 2005. This report documents the 2009 water-level surface of the Chicot equivalent aquifer system in southeastern Louisiana. The report also shows differences in water-level measurements for the years 1991 and 2009 at selected sites. Understanding changes and trends in water levels is important for continued use, planning, and management of groundwater resources. The U.S. Geological Survey, in cooperation with the Louisiana Department of Transportation and Development, conducted this study of the water-level surface of the Chicot equivalent aquifer system as part of an ongoing effort to monitor groundwater levels in aquifers in Louisiana.

  6. Free-living nematode species (Nematoda) dwelling in hydrothermal sites of the North Mid-Atlantic Ridge

    NASA Astrophysics Data System (ADS)

    Tchesunov, Alexei V.

    2015-12-01

    Morphological descriptions of seven free-living nematode species from hydrothermal sites of the Mid-Atlantic Ridge are presented. Four of them are new for science: Paracanthonchus olgae sp. n. (Chromadorida, Cyatholaimidae), Prochromadora helenae sp. n. (Chromadorida, Chromadoridae), Prochaetosoma ventriverruca sp. n. (Desmodorida, Draconematidae) and Leptolaimus hydrothermalis sp. n. (Plectida, Leptolaimidae). Two species have been previously recorded in hydrothermal habitats, and one species is recorded for the first time in such an environment. Oncholaimus scanicus (Enoplida, Oncholaimidae) was formerly known from only the type locality in non-hydrothermal shallow milieu of the Norway Sea. O. scanicus is a very abundant species in Menez Gwen, Lucky Strike and Lost City hydrothermal sites, and population of the last locality differs from other two in some morphometric characteristics. Desmodora marci (Desmodorida, Desmodoridae) was previously known from other remote deep-sea hydrothermal localities in south-western and north-eastern Pacific. Halomonhystera vandoverae (Monhysterida, Monhysteridae) was described and repeatedly found in mass in Snake Pit hydrothermal site. The whole hydrothermal nematode assemblages are featured by low diversity in comparison with either shelf or deep-sea non-hydrothermal communities. The nematode species list of the Atlantic hydrothermal vents consists of representatives of common shallow-water genera; the new species are also related to some shelf species. On the average, the hydrothermal species differ from those of slope and abyssal plains of comparable depths by larger sizes, diversity of buccal structures, presence of food content in the gut and ripe eggs in uteri.

  7. Clinical bioequivalence of a dose of clopidogrel Leti Cravid tablets 75 mg versus clopidogrel Sanofi Plavix tablets 75 mg administered on a daily dose for 7 days on healthy volunteers: a clinical trial.

    PubMed

    Müller, Aixa; Octavio, José; González, María Y; Contreras, Jesús; Méndez, Gisela; Portillo, Milagros; Valero, Zuleima

    2010-01-01

    Patients undergoing percutaneous coronary intervention procedures, as in patients with coronary disease, should receive treatment indefinitely with acetylsalicylic acid and clopidogrel. New brands of clopidogrel have been developed at lower costs, for helping to avoid premature suspension of antiplatelet therapy, as Cravid Leti Laboratories clopidogrel. Its effectiveness and safety must be compared with Plavix international standard. A prospective, comparative, cross-over, and randomized study was conducted in healthy volunteers. Each group received 1 tablet of Clopidogrel Leti or Clopidogrel Sanofi, 75 mg in a single dose daily for 7 days, followed by 7-day washout period before administration of second treatment. Platelet aggregation was measured at the start of each period and at 7 days of treatment through optical aggregometry, using an optical aggregometer 490-2D Chrono-Log, with a self-calibration system working with platelet-rich plasma with readings 0%-100% of light transmission. An important decrease of platelet aggregation was observed in both groups at 7 days of treatment of more than 50%, independent of adenosine diphosphate reactive (Helena and Chrono-Log) used for aggregation (P < 0.05). The relationship between the mean and 90% confidence interval ratio obtained with the 2 different adenosine diphosphate brands were between 80% and 125%, therefore, it can be considered that both brands are bioequivalent and perfectly exchangeable.

  8. Serendipity or prepared mind? Recollections of the KOP translocation (1967) and of one form of Perrault syndrome.

    PubMed

    Opitz, John M

    2014-12-01

    The human X/autosome translocation, designated KOP, was discovered by Dr. Philip D. Pallister in Montana in 1967 in a young man with apparent Klinefelter syndrome. Collaboratively it was possible to elucidate the genetic nature of his unprecedented chromosome rearrangement and its developmental effects in mother and son. In retrospect, these clinical and genetic studies at the height of the somatic cell genetics era (Ruddle, Siniscalco, etc.) presented human genetics with a highly productive opportunity to begin gene mapping of autosomes and the X chromosome. The late Victor McKusick considered the discovery of the KOP translocation, as he determined personally in Montana, one of the major transforming events in human genetics. The Perrault syndrome evaluated in two families in Montana and one in Sicily for familial deafness, primary amenorrhea and neurologic impairment (progressive in some), turned out to be heterogeneous. In the "hands" of Dr. M.-C. King of Seattle four forms of Perrault syndrome have been identified. The autosomal recessive mutation present in the P family studied with Dr. Pallister in Helena, turned out to affect the mitochondrial histidyl tRNA synthetase gene present in prokaryotes, annelids, fungi and mammals, hence, must already have been present in LUCA some 3.8 billion years ago.

  9. The n-3 long-chain PUFAs modulate the impact of the GCKR Pro446Leu polymorphism on triglycerides in adolescents[S

    PubMed Central

    Rousseaux, Julien; Duhamel, Alain; Dumont, Julie; Dallongeville, Jean; Molnar, Denes; Widhalm, Kurt; Manios, Yannis; Sjöström, Michael; Kafatos, Anthony; Breidenassel, Christina; Gonzales-Gross, Marcela; Cuenca-Garcia, Magdalena; Censi, Laura; Ascensión, Marcos; De Henauw, Stefaan; Moreno, Luis A.; Meirhaeghe, Aline; Gottrand, Frédéric

    2015-01-01

    Dietary n-3 long-chain PUFAs (LC-PUFAs) are associated with improvement in the parameters of the metabolic syndrome (MetS). Glucokinase regulatory protein (GCKR) is a key protein regulating intracellular glucose disposal. Our aim was to investigate: i) the relationship between the GCKR rs1260326 (Pro446Leu) polymorphism and parameters of the MetS; and ii) a potential influence of n-3 and n-6 LC-PUFA levels on this relationship in the HELENA study (1,155 European adolescents). Linear regression analyses were performed to study the association between rs1260326 and the outcomes of interest. Interactions between rs1260326 and LC-PUFA levels on outcomes were explored. The T allele of rs1260326 was associated with higher serum TG concentrations compared with the C allele. In contrast to n-6 LC-PUFA levels, a significant interaction (P = 0.01) between rs1260326 and total n-3 LC-PUFA levels on serum TG concentrations was observed. After stratification on the n-3 LC-PUFA median values, the association between rs1260326 and TG concentration was significant only in the group with high n-3 LC-PUFA levels. In conclusion, this is the first evidence that n-3 LC-PUFAs may modulate the impact of the GCKR rs1260326 polymorphism on TG concentrations in adolescents. Several molecular mechanisms, in link with glucose uptake, could explain these findings. PMID:26136510

  10. CIPROFLOXACIN RESISTANCE PATTERN AMONG BACTERIA ISOLATED FROM PATIENTS WITH COMMUNITY-ACQUIRED URINARY TRACT INFECTION

    PubMed Central

    REIS, Ana Carolina Costa; SANTOS, Susana Regia da Silva; de SOUZA, Siane Campos; SALDANHA, Milena Góes; PITANGA, Thassila Nogueira; OLIVEIRA, Ricardo Riccio

    2016-01-01

    SUMMARY Objective: To identify the main bacterial species associated with community-acquired urinary tract infection (UTI) and to assess the pattern of ciprofloxacin susceptibility among bacteria isolated from urine cultures. Methods: We conducted a retrospective study in all the patients with community-acquired UTI seen in Santa Helena Laboratory, Camaçari, Bahia, Brazil during five years (2010-2014). All individuals who had a positive urine culture result were included in this study. Results: A total of 1,641 individuals met the inclusion criteria. Despite the fact that participants were female, we observed a higher rate of resistance to ciprofloxacin in males. The most frequent pathogens identified in urine samples were Escherichia coli, Klebsiella pneumoniae and Staphylococcus saprophyticus. Antimicrobial resistance has been observed mainly for ampicillin, sulfamethoxazole + trimethoprim and ciprofloxacin. Moreover, E. coli has shown the highest rate of ciprofloxacin resistance, reaching 36% of ciprofloxacin resistant strains in 2014. Conclusion: The rate of bacterial resistance to ciprofloxacin observed in the studied population is much higher than expected, prompting the need for rational use of this antibiotic, especially in infections caused by E. coli. Prevention of bacterial resistance can be performed through control measures to limit the spread of resistant microorganisms and a rational use of antimicrobial policy. PMID:27410913

  11. Iron hydroxy carbonate formation in zerovalent iron permeable reactive barriers: Characterization and evaluation of phase stability

    SciTech Connect

    Wilkin, Richard T.; Lee, T.R.

    2010-10-22

    Predicting the long-term potential of permeable reactive barriers for treating contaminated groundwater relies on understanding the endpoints of biogeochemical reactions between influent groundwater and the reactive medium. Iron hydroxy carbonate (chukanovite) is frequently observed as a secondary mineral precipitate in granular iron PRBs. Mineralogical characterization was carried out using X-ray diffraction, scanning electron microscopy, thermogravimetric analysis, and X-ray absorption spectroscopy on materials collected from three field-based PRBs in the US (East Helena, MT; Elizabeth City, NC; Denver Federal Center, CO). These PRBs were installed to treat a range of contaminants, including chlorinated organics, hexavalent chromium, and arsenic. Results obtained indicate that chukanovite is a prevalent secondary precipitate in the PRBs. Laboratory experiments on high-purity chukanovite separates were carried out to constrain the room-temperature solubility for this mineral. An estimated Gibbs energy of formation ({Delta}{sub f}G{sup o}) for chukanovite is - 1174.4 {+-} 6 kJ/mol. A mineral stability diagram is consistent with observations from the field. Water chemistry from the three reactive barriers falls inside the predicted stability field for chukanovite, at inorganic carbon concentrations intermediate to the stability fields of siderite and ferrous hydroxide. These new data will aid in developing better predictive models of mineral accumulation in zerovalent iron PRBs.

  12. Spatial and temporal abundance patterns of oceanic chaetognaths in the western North Atlantic—I. Hydrographic and seasonal abundance patterns

    NASA Astrophysics Data System (ADS)

    Cheney, Jerry

    1985-09-01

    Chaetognath abundance was measured from 38 MOCNESS tows collected in the western North Atlantic from August 1975 to November 1977. Twenty-one species were identified from 18 slope water (SW), 18 northern Sargasso Sea (NSS) and two Gulf Stream (GS) tows. Sagitta elegans, S. hispida and S. megalophthalma were collected in only one or two tows. Eukrohnia bathypelagica, E. fowleri, E. hamata, Sagitta helenae, S. macrocephala, S. maxima and S. tasmanica are significantly more abundant in the SW than in the NSS. Krohnitta subtilis, Pterosagitta draco, Sagitta bipunctata, S. decipiens, S. hexaptera, S. lyra, S. minima, S. planctonis and S. serratodentata are significantly more abundant in the NSS. Krohnitta pacifica and Sagitta enflata show no significant abundance differences between the SW and NSS. Most species show at least an order of magnitude abundance difference between the SW and NSS, with intermediate GS abundances. A simple mixing model and previous reports of chaetognath distributions in the North Atlantic indicate that most species have expatriate populations in either the SW or NSS or in both regions. Increased temperature and food abundance probably limit SW species from the NSS, while decreased temperature and increased predator abundance probably limit NSS species from the SW. Spring abundance peaks were observed for many species in the NSS, but no seasonal peaks were detected for species in the SW. The spring abundance peaks in the NSS are probably due to increased food abundance, although temperature could not be ruled out as an important factor.

  13. Patient can't get ADA relief unless discrimination persists.

    PubMed

    1997-09-05

    Several United States courts have ruled that under Title III of the Americans with Disabilities Act (ADA), HIV-positive patients have no recourse against a physician who has discriminated against them, provided that the patients do not plan to visit the doctor in the future. If the patient states that he or she does not intend to use the physician's or facility's services again, there is no basis for injunctive relief under the ADA. This issue is illustrated by the case of [name removed], an HIV-positive patient residing in Atlanta, GA, who attempted to sue [name removed], a plastic surgeon who refused to perform a cosmetic implant procedure. [Name removed] claimed that the procedure was a direct threat to [name removed]'s health and refused to treat him. When [name removed] vowed that he would never again seek medical care from [name removed] he lost his opportunity to file suit against [name removed] under the ADA. Additionally, [name removed] did not prove that the cosmetic procedure would not pose a direct threat to his own health in the form of a postoperative infection. This position has been accepted by a number of courts, including [name removed] v. St. Helena Hospital (CA).

  14. Measurement of persistent organic pollutants (POPs) in plastic resin pellets from remote islands: toward establishment of background concentrations for International Pellet Watch.

    PubMed

    Heskett, Marvin; Takada, Hideshige; Yamashita, Rei; Yuyama, Masaki; Ito, Maki; Geok, Yeo Bee; Ogata, Yuko; Kwan, Charita; Heckhausen, Angelika; Taylor, Heidi; Powell, Taj; Morishige, Carey; Young, Doug; Patterson, Hugh; Robertson, Bryson; Bailey, Elizabeth; Mermoz, Jorge

    2012-02-01

    Plastic resin pellets collected from remote islands in the Pacific, Atlantic, and Indian Oceans and the Caribbean Sea were analyzed for polychlorinated biphenyls (PCBs), dichloro-diphenyltrichloroethane and its degradation products (DDTs), and hexachlorocyclohexanes (HCHs). Concentrations of PCBs (sum of 13 congeners) in the pellets were 0.1-9.9 ng/g-pellet. These were 1-3 orders of magnitude smaller than those observed in pellets from industrialized coastal shores. Concentrations of DDTs in the pellets were 0.8-4.1 ng/g-pellet. HCH concentrations were 0.6-1.7 ng/g-pellet, except for 19.3 ng/g-pellet on St. Helena, where current use of lindane is likely influence. This study provides background levels of POPs (PCBs<10 ng/g-pellet, DDTs <4 ng/g-pellet, HCHs <2 ng/g-pellet) for International Pellet Watch. Sporadic large concentrations of POPs were found in some pellet samples from remote islands and should be considered in future assessments of pollutants on plastic debris.

  15. Twelve new species and fifty-three new provincial distribution records of Aleocharinae rove beetles of Saskatchewan, Canada (Coleoptera, Staphylinidae).

    PubMed

    Klimaszewski, Jan; Larson, David J; Labrecque, Myriam; Bourdon, Caroline

    2016-01-01

    One hundred twenty species of aleocharine beetles (Staphylinidae) are recognized in the province of Saskatchewan. Sixty-five new provincial records, including twelve new species and one new North American record, are presented. Oligota inflata (Mannerheim), a Palearctic species, is newly recorded for North America. The following twelve species are described as new to science: Acrotona pseudopygmaea Klimaszewski & Larson, sp. n., Agaricomorpha pulchra Klimaszewski & Larson, sp. n. (new genus record for Canadian fauna), Aleochara elisabethae Klimaszewski & Larson, sp. n., Atheta (Dimetrota) larsonae Klimaszewski & Larson, sp. n., Atheta (Microdota) pseudopittionii Klimaszewski & Larson, sp. n., Atheta (Microdota) spermathecorum Klimaszewski & Larson, sp. n., Atheta (sensu lato) richardsoni Klimaszewski & Larson, sp. n., Brachyusa saskatchewanae Klimaszewski & Larson, sp. n., Dochmonota langori Klimaszewski & Larson, sp. n., Dochmonota simulans Klimaszewski & Larson, sp. n., Dochmonota websteri Klimaszewski & Larson, sp. n., and Oxypoda domestica Klimaszewski & Larson, sp. n. Colour images of habitus and black and white images of the median lobe of the aedeagus, spermatheca, and tergite and sternite VIII are presented for all new species, Oligota inflata Mannerheim and Dochmonota rudiventris (Eppelsheim). A new synonymy is established: Tetralina filitarsus Casey, syn. n. = Tetralina helenae Casey, now placed in the genus Brachyusa Mulsant & Rey.

  16. STRIKE SLIP ON REACTIVATED TRIASSIC(? ) BASIN BOUNDARY FAULT ZONES AS SOURCES OF EARTHQUAKES NEAR CHARLESTON, S. C.

    USGS Publications Warehouse

    Behrendt, John C.; Yuan, Annette

    1986-01-01

    Interpretation of several thousand kilometers of multifold seismic reflection data supports the old theory that earthquakes in the Charleston, S. C. area are associated with reactivated Triassic(? ) basin boundary extensional fault zones. The Gants-Cooke fault zone associated with the Jedburg basin in the 1886 meizoseismal area, an unnamed fault along the margin of the Branchville basin in the Bowman earthquake area and the offshore Helena Banks fault zone (no observed seismicity) along the margin of the Kiawah basin show evidence of reactivation of Triassic(? ) normal faults zones in a compressional, probably strike slip sense. The previously reported reverse separation of these faults observed on the seismic profiles in the late Cretaceous-Cenozoic Coastal Plain sediments is possibly produced by oblique slip with the horizontal component possibly 10 to 100 times the vertical. Earthquake recurrence intervals of several thousand years reported in the Charleston area appear consistent with ranges of magnitude of strike slip displacement inferred from the seismic reflection data, and are constrained by aeromagnetic data.

  17. Reestablishment of Notopygos megalops McIntosh, description of N. caribea sp. n. from the Greater Caribbean and barcoding of “amphiamerican” Notopygos species (Annelida, Amphinomidae)

    PubMed Central

    Yáñez-Rivera, Beatriz; Carrera-Parra, Luis Fernando

    2012-01-01

    Abstract The species of the genus Notopygos Grube, 1855 are characterized by an ovate body, a prominent caruncle with three lobes, dendritic branchiae, and double dorsal cirri. Twenty-two species belonging to Notopygos have been described, mostly from the Indo-Pacific region. In America, few species are frequently recorded: Notopygos crinita Grube, 1855 from St. Helena Island (Atlantic) and Notopygos ornata Grube and Ørsted in Grube 1857 from Costa Rica (Pacific). Notopygos crinita is a widely distributed species in the Western Atlantic with additional reports in the Mediterranean Sea (as a questionable alien species) and in the Pacific Ocean. However, only the genus features have been considered, consequently some records could be misidentifications. During a revision of materials from collections and the barcode project, ‘Mexican Barcode of Life, MEXBOL’, we found specimens of Notopygos megalops and an undescribed species from reef zones in the Caribbean; the former had been considered a junior synonym of Notopygos crinita. Herein, Notopygos megalops is reestablished and Notopygos caribea sp. n. is described. A morphological and DNA barcode approach was used to explain the records of Notopygos ornata in the Atlantic and to show the differences with the new species, since both species share features such as complex pigmentation patterns, and circular projections in the median lobe of the caruncle. PMID:23459182

  18. Infrared-induced variation of the magnetic properties of a magnetoplasmonic film with a 3D sub-micron periodic triangular roof-type antireflection structure.

    PubMed

    Tian, Junlong; Zhang, Wang; Huang, Yiqiao; Liu, Qinglei; Wang, Yuhua; Zhang, Zhijian; Zhang, Di

    2015-01-26

    A carbon-matrix nickel composite magnetoplasmonic film with a 3D sub-micron periodic triangular roof-type antireflection structure (SPTAS) was fabricated via a simple and promising method that combines chemosynthesis with biomimetic techniques. The Troides helena (Linnaeus) forewing (T_FW) was chosen as the biomimetic template. The carbon-matrix Ni wing fabricated via electroless Ni deposition for 6 h (CNMF_6h) exhibits enhanced infrared absorption. Over a wavelength range (888-2500 nm), the enhancement of the infrared absorption of CNMF_6h is up to 1.85 times compared with the T_FW. Furthermore, infrared excitation induces a photothermal effect that results in variation in the magnetic properties of the carbon-matrix Ni wing. The magnetic properties were also confirmed using atomic force microscopy (AFM) and magnetic force microscopy (MFM). The good correlation between the AFM and MFM images demonstrates that the surface of the SPTAS of CNMF_6h exhibits strong magnetic properties. The infrared induced photothermal effect that results in magnetic variation is promising for use in the design of novel magnetoplasmonic films with potential applications in infrared information recording and heat-assisted magnetic recording.

  19. Infrared-induced variation of the magnetic properties of a magnetoplasmonic film with a 3D sub-micron periodic triangular roof-type antireflection structure

    NASA Astrophysics Data System (ADS)

    Tian, Junlong; Zhang, Wang; Huang, Yiqiao; Liu, Qinglei; Wang, Yuhua; Zhang, Zhijian; Zhang, Di

    2015-01-01

    A carbon-matrix nickel composite magnetoplasmonic film with a 3D sub-micron periodic triangular roof-type antireflection structure (SPTAS) was fabricated via a simple and promising method that combines chemosynthesis with biomimetic techniques. The Troides helena (Linnaeus) forewing (T_FW) was chosen as the biomimetic template. The carbon-matrix Ni wing fabricated via electroless Ni deposition for 6 h (CNMF_6h) exhibits enhanced infrared absorption. Over a wavelength range (888-2500 nm), the enhancement of the infrared absorption of CNMF_6h is up to 1.85 times compared with the T_FW. Furthermore, infrared excitation induces a photothermal effect that results in variation in the magnetic properties of the carbon-matrix Ni wing. The magnetic properties were also confirmed using atomic force microscopy (AFM) and magnetic force microscopy (MFM). The good correlation between the AFM and MFM images demonstrates that the surface of the SPTAS of CNMF_6h exhibits strong magnetic properties. The infrared induced photothermal effect that results in magnetic variation is promising for use in the design of novel magnetoplasmonic films with potential applications in infrared information recording and heat-assisted magnetic recording.

  20. Ethno-cultural diversity in the experience of widowhood in later life: Chinese widows in Canada.

    PubMed

    Martin-Matthews, Anne; Tong, Catherine E; Rosenthal, Carolyn J; McDonald, Lynn

    2013-12-01

    This paper utilizes Helena Znaniecka Lopata's concept of life frameworks as a lens through which to understand the experience of widowhood amongst elderly Chinese immigrant women living in Toronto, Canada. While Lopata defined life frameworks as including social supports, social relations and social roles, for these widows, personal resources (framed in Chinese cultural context) were also important aspects of life frameworks. In-depth interviews with 20 widows contacted through a Chinese community center were conducted in Mandarin and Cantonese and then transcribed and interpreted through team-based qualitative analyses. These women ranged in age from 69 to 93 years and had been in Canada an average of 17 years, with over half of them widowed following immigration. Our analysis framed the widows' narratives in terms of four types of supports defined by Lopata: social, service, financial and emotional supports. They had fairly extensive social and service supports focused primarily around family and the Chinese community. Although norms of filial piety traditionally dictate sons as primary supports, daughters predominated as providers of supports to these widows. Interpreted from a life course perspective, financial supports were deemed sufficient, despite overall limited financial means. Emotional support was more nuanced and complex for these widows. Loneliness and feelings of social isolation were prevalent. Nevertheless, themes of acceptance and satisfaction dominated our findings, as did reciprocity and exchange. The narrative accounts of these widows depict a complexity of experience rooted in their biographies as Chinese women and as immigrants, rather than primarily in widowhood itself.

  1. A cladistic phylogeny of the family Patellidae (Mollusca: Gastropoda)

    PubMed Central

    Ridgway, S. A.

    1998-01-01

    A phylogenetic hypothesis for the patellid limpets is reconstructed by cladistic analysis of morphological characters from 37 species, representing all but one of the living members of the family. Characters included in the analysis are derived from shell shape and microstructure, headfoot and pallial complex, radula and sperm. The species fall into four clades, providing the basis for a new phylogenetic classification into four monophyletic genera: Helcion (four species; southern Africa), Cymbula (eight species; southern Africa, eastern Atlantic, southern Indian Ocean), Scutellastra (17 species; southern and southwestern Africa, Australia, Indo-West Pacific, Eastern Pacific) and Patella (nine species; northeastern Atlantic and Mediterranean). The analysis suggests sister-group relationships between Helcion and Cymbula, and between Scutellastra and Patella. In combination with present-day patterns of geographical distribution, this phylogenetic hypothesis is used to discuss the historical biogeography of the Patellidae. Scutellastra may have originated in southern Africa and dispersed across the Pacific, or alternatively may be a primitively Tethyan group. Both Helcion and Cymbula appear to have originated in southern Africa, but three Cymbula species have dispersed respectively to northwest Africa, St Helena and the southern Indian Ocean. The patellids of the northeastern Atlantic form a single clade, Patella (including P. pellucida), which may have arrived by northward dispersal of an ancestor from southern Africa, or possibly by vicariance of a widespread ancestral Tethyan distribution. The known fossil record of patellids is too fragmentary to permit choice between these alternatives.

  2. Beneath the Precambrian belt in the deepest well ever drilled in Montana

    SciTech Connect

    Peterson, C.H.; Nims, R.C. )

    1991-06-01

    The Union 1-B30 Federal Canyon Creek well was drilled in the Montana thrust belt approximately 27 mi northwest of Helena to test Mississippian carbonates on a seismic structure in the footwall of the Eldorado thrust. The well penetrated over 12,000 ft of thrusted Precambrian belt metasedimentary rocks before encountering a faulted and fractured footwall section of Cretaceous through Mississippian shales, sandstones, and carbonates. The 17,818-ft test, the deepest well ever drilled in Montana, was plugged and abandoned after recovering fresh water during production tests in the Madison Group. The original structural interpretation of the Canyon Creek prospect, based solely on 24- and 48-fold seismic data, was that of a relatively simple thrust-faulted, double plunging anticline in the footwall of the Eldorado thrust. The 1-B30 well indicated that a more complex duplex structure was present under the Eldorado thrust, and that the madison was deeper than anticipated with a true vertical depth of 16,688 ft.

  3. Gamma spectrometric and magnetic interpretation of Cabaçal copper deposit in Mato Grosso (Brazil): Implications for hydrothermal fluids remobilization

    NASA Astrophysics Data System (ADS)

    Ribeiro, Vanessa Biondo; Mantovani, Marta Silvia Maria

    2016-12-01

    The Cabaçal Au-Zn-Cu Deposit, Mato Grosso, Brazil, was explored between 1987 and 1991, when 869,279 tons of ore rich in Au and Cu have been extracted. The hydrothermal alteration in the Cabaçal mine suggests a volcanogenic genetic model in which hydrothermal centers generated sericitization, chloritization and silicification alterations at different stages. The hydrothermal alteration affects the radioelements in different ways, generating a characteristic gamma spectrometric signature for the affected area. The eTh/K ratio map evidenced that the hydrothermalized area extends beyond south limits of the Cabaçal gabbro dykes formation, which host Cabaçal and Santa Helena mines. Magnetic data over the region show the same behavior for this formation, indicating that the magnetic source extends in subsurface. This behavior was recovered by the 3D model inverted for the region, which recovered a positive apparent magnetic contrast associated with this body, with an increasing deepness to south. It is possible that the south subsurface portion of the magnetic source may contain economic concentrations of Au remobilized by hydrothermal fluids. However, to confirm this hypothesis it is necessary to develop geochemical and borehole analysis of the area.

  4. The nutritional status in adolescent Spanish cyclists.

    PubMed

    Julián-Almárcegui, C; Gómez-Cabello, A; González-Agüero, A; Olmedillas, H; Gómez-Bruton, A; Matute-Llorente, A; Casajús, J A; Vicente-Rodríguez, G

    2013-01-01

    Introducción: La adolescencia es un periodo importante de vulnerabilidad nutricional dados las mayores demandas alimentarias. Objetivo: Describir el estado nutritivo de ciclistas adolescentes y de un grupo de controles con actividad normal. Métodos: Se utilizó la Herramienta de Evaluación Alimentaria HELENA para evaluar la ingesta nutricional de 20 ciclistas adolescentes y 17 controles. Se registraron la ingesta total de energía, el gasto de energía en reposo (GER), el gasto de energía total (GET), los macronutrientes y diversos micronutrientes y se compararon con las guías dietéticas. Resultados: El GER fue menor y el GTE mayor en los ciclistas que en los controles (ambos P < 0,01). Se observaron diferencias significativas en el fósforo y la vitamina B1, siendo mayores en los ciclistas (P < 0,05). La mayor parte de los participantes, tanto ciclistas como controles, no alcanzó los requerimientos en macronutrientes, vitaminas ni minerales. Conclusión: El estado nutritivo de los adolescentes ciclistas y de los controles parece no adecuarse a las recomendaciones de cantidad y calidad. Deberían investigarse las posibles implicaciones de la salud actual y futura, especialmente en los adolescentes atletas.

  5. Constructing inverse V-type TiO2-based photocatalyst via bio-template approach to enhance the photosynthetic water oxidation

    NASA Astrophysics Data System (ADS)

    Jiang, Jinghui; Zhou, Han; Ding, Jian; Zhang, Fan; Fan, Tongxiang; Zhang, Di

    2015-08-01

    Bio-template approach was employed to construct inverse V-type TiO2-based photocatalyst with well distributed AgBr in TiO2 matrix by making dead Troides Helena wings with inverse V-type scales as the template. A cross-linked titanium precursor with homogenous hydrolytic rate, good liquidity, and low viscosity was employed to facilitate a perfect duplication of the template and the dispersion of AgBr based on appropriate pretreatment of the template by alkali and acid. The as-synthesized inverse V-type TiO2/AgBr can be turned into inverse V-type TiO2/Ag0 from AgBr photolysis during photocatalysis to achieve in situ deposition of Ag0 in TiO2 matrix, by this approach, to avoid the deformation of surface microstructure inherited from the template. The result showed that the cooperation of perfect inverse V-type structure and the well distributed TiO2/Ag0 microstructures can efficiently boost the photosynthetic water oxidation compared to non-inverse V-type TiO2/Ag0 and TiO2/Ag0 without using template. The anti-reflection function of inverse V-type structure and the plasmatic effect of Ag0 might be able to account for the enhanced photon capture and efficient photoelectric conversion.

  6. Relationship between spatial distribution of chaetognaths and hydrographic conditions around seamounts and islands of the tropical southwestern Atlantic.

    PubMed

    Souza, Christiane S de; Luz, Joana A G; Mafalda, Paulo O

    2014-09-01

    Relationship between spatial distribution of chaetognaths and hydrographic conditions around seamounts and islands off Northeastern Brazil were analyzed from 133 oceanographic stations during the months of January - April of 1997 and April - July of 1998. Oblique zooplankton tows, using 50 cm diameter Bongo nets with 500µm mesh with a flowmeter to determine the filtered volume, were carried out to a maximum of 200m depth. The Superficial Equatorial Water, which had a salinity > 36 PSU and temperature > 20°C, occupied the top 80 to 200m depth. Below this water mass was the South Atlantic Central Water with salinity ranging from 34.5 to 36 PSU and temperature from 6 to 20°C. The community of chaetognaths showed six species: Pterosagitta draco, Flaccisagitta enflata, Flaccisagitta hexaptera, Pseudosagitta lyra, Serratosagitta serratodentata, and Sagitta helenae. Of these species, F. enflata was the most abundant (32.05% in 1997 and 42.18% in 1998) and the most frequent (87.88% in 1997 and 95% in 1998) during both periods. A mesopelagic specie was identified (P. lyra). This specie was more abundant in 1997 (3.42%), when the upwelling was more intense. P. lyra occurred in 22% of the samples during 1997. The abundance of F. enflata, an epiplanktonic species, increased, associated with greater water-column stability.

  7. Editorial: Process to progress? Investigative trials, mechanism and clinical science.

    PubMed

    Green, Jonathan

    2015-01-01

    In 2002 Helena Kraemer and colleagues published an important article on the analysis of clinical trials in mental health, which advocated a planned focus on mechanisms to investigate the processes behind treatment effects. Kraemer et al. considered not only new approaches to mediation analysis, but also a theoretical approach to factors, both pre-treatment and during treatment, that might moderate this mediation. Trials should not just be about whether a treatment 'worked', but how it worked; with the results informing modification of the intervention for the next trial by discarding aspects that were not effective and reinforcing aspects that were - an iterative procedure towards greater effectiveness. Can we enjoy similar ambitions for complex interventions within mental health? It is not so long ago when the received wisdom within the clinical and much of the research community was that it was simply impossible in practice to mount randomised controlled trials relevant to the kind of psychosocial interventions we use in child and adolescent mental health (CAMHS). How different the situation is now, with burgeoning interest in a systematic evidence base for psychological treatment and the possibilities for unexpected advances (as well as unexpected harms). Nevertheless it is probably still fair to say that the systematic use of process and mechanism study within trials in our field is the exception rather than the rule. What are the possibilities and implications for our field?

  8. Quality-assurance plan for water-resources activities of the U.S. Geological Survey in Montana--1995

    USGS Publications Warehouse

    Moreland, Joe A.

    1995-01-01

    As the Nation's principal earth-science information agency, the U.S. Geological Survey has developed a worldwide reputation for collecting accurate data and producing factual, impartial interpretive reports. To ensure continued confidence in the pro- ducts, the Water Resources Division of the U.S. Geological Survey has implemented a policy that all scientific work will be performed in accordance with a centrally managed quality-assurance program. The formal policy for quality assurance within the Montana District was established and documented in USGS Open-File Report 91-194. This report has been revised to reflect changes in personnel and organi- zational structure that have occurred since 1991. Quality assurance is formalized by describing organization and operational responsibilities, the quality-assurance policy, and the quality- assurance responsibilities for performing District functions. The District conducts its work through offices in Helena, Billings, Kalispell, and Fort Peck. Data-collection programs and interpretive studies are conducted by three operating sections and four support units. Discipline specialists provide technical advice and assistance. Management advisors provide guidance on various personnel issues and support functions.

  9. Quality-assurance plan for water-resources activities of the U. S. Geological Survey in Montana--1991

    USGS Publications Warehouse

    Moreland, Joe A.

    1991-01-01

    As the Nation's principal earth-science information agency, the U.S. Geological Survey has developed a worldwide reputation for collecting accurate data and producing factual, impartial interpretive reports. To ensure continued confidence in the pro- ducts, the Water Resources Division of the U.S. Geological Survey has implemented a policy that all scientific work will be performed in accordance with a centrally managed quality-assurance program. The formal policy for quality assurance within the Montana District was established and documented in USGS Open-File Report 91-194. This report has been revised to reflect changes in personnel and organi- zational structure that have occurred since 1991. Quality assurance is formalized by describing organization and operational responsibilities, the quality-assurance policy, and the quality- assurance responsibilities for performing District functions. The District conducts its work through offices in Helena, Billings, Kalispell, and Fort Peck. Data-collection programs and interpretive studies are conducted by three operating sections and four support units. Discipline specialists provide technical advice and assistance. Management advisors provide guidance on various personnel issues and support functions.

  10. Taxonomic Synopsis of the Ponto-Mediterranean Ants of Temnothorax nylanderi Species-Group

    PubMed Central

    Csősz, Sándor; Heinze, Jürgen; Mikó, István

    2015-01-01

    In the current revisionary work, the Temnothorax nylanderi species-group of myrmicine ants is characterized. Eighteen species belonging to this group in the Ponto-Mediterranean region are described or redefined based on an integrative approach that combines exploratory analyses of morphometric data and of a 658bp fragment of the mitochondrial gene for the cytochrome c oxidase subunit I (CO I). The species group is subdivided into five species complexes: T. angustifrons complex, T. lichtensteini complex, T. nylanderi complex, T. parvulus complex, T. sordidulus complex, and two species, T. angulinodis sp. n. and T. flavicornis (Emery, 1870) form their own lineages. We describe seven new species (T. angulinodis sp. n., T. angustifrons sp. n., T. ariadnae sp. n., T. helenae sp. n., T. lucidus sp. n., T. similis sp. n., T. subtilis sp. n.), raise T. tergestinus (FINZI, 1928) stat.n. to species level, and propose a new junior synonymy for T. saxonicus (SEIFERT, 1995) syn.n. (junior synonym of T. tergestinus). We describe the worker caste and provide high quality images and distributional maps for all eighteen species. Furthermore, we provide a decision tree as an alternative identification key that visually gives an overview of this species-group. We make the first application to Formicidae of the Semantic Phenotype approach that has been used in previous taxonomic revisions. PMID:26536033

  11. Infrared-induced variation of the magnetic properties of a magnetoplasmonic film with a 3D sub-micron periodic triangular roof-type antireflection structure

    PubMed Central

    Tian, Junlong; Zhang, Wang; Huang, Yiqiao; Liu, Qinglei; Wang, Yuhua; Zhang, Zhijian; Zhang, Di

    2015-01-01

    A carbon-matrix nickel composite magnetoplasmonic film with a 3D sub-micron periodic triangular roof-type antireflection structure (SPTAS) was fabricated via a simple and promising method that combines chemosynthesis with biomimetic techniques. The Troides helena (Linnaeus) forewing (T_FW) was chosen as the biomimetic template. The carbon-matrix Ni wing fabricated via electroless Ni deposition for 6 h (CNMF_6h) exhibits enhanced infrared absorption. Over a wavelength range (888–2500 nm), the enhancement of the infrared absorption of CNMF_6h is up to 1.85 times compared with the T_FW. Furthermore, infrared excitation induces a photothermal effect that results in variation in the magnetic properties of the carbon-matrix Ni wing. The magnetic properties were also confirmed using atomic force microscopy (AFM) and magnetic force microscopy (MFM). The good correlation between the AFM and MFM images demonstrates that the surface of the SPTAS of CNMF_6h exhibits strong magnetic properties. The infrared induced photothermal effect that results in magnetic variation is promising for use in the design of novel magnetoplasmonic films with potential applications in infrared information recording and heat-assisted magnetic recording. PMID:25620787

  12. Strategies for obtaining obsidian in pre-European contact era New Zealand.

    PubMed

    McCoy, Mark D; Carpenter, Jonathan

    2014-01-01

    Archaeological evidence of people's choices regarding how they supply themselves with obsidian through direct access and different types of exchanges gives us insight in to mobility, social networks, and property rights in the distant past. Here we use collections of obsidian artefacts that date to a period of endemic warfare among Maori during New Zealand's Late Period (1500-1769 A.D.) to determine what strategies people engaged in to obtain obsidian, namely (1) collecting raw material directly from a natural source, (2) informal trade and exchange, and (3) formal trade and exchange. These deposits represent a good cross-section of Late Period archaeology, including primary working of raw material at a natural source (Helena Bay), undefended sites where people discarded rubbish and worked obsidian (Bream Head), and a heavily fortified site (Mt. Wellington). We find that most of the obsidian described here was likely obtained directly from natural sources, especially those located on off-shore islands within about 60-70 km of sites. A smaller amount comes from blocks of material transported from an off-shore island a greater distance away, called Mayor Island, in a formal trade and exchange network. This study demonstrates the value of conducting tandem lithic technology and geochemical sourcing studies to understand how people create and maintain social networks during periods of warfare.

  13. Compilation of Water-Resources Data for Montana, Water Year 2006

    USGS Publications Warehouse

    Ladd, P. B.; Berkas, W.R.; White, M.K.; Dodge, K.A.; Bailey, F.A.

    2007-01-01

    The U.S. Geological Survey, Montana Water Science Center, in cooperation with other Federal, State, and local agencies, and Tribal governments, collects a large amount of data pertaining to the water resources of Montana each water year. This report is a compilation of Montana site-data sheets for the 2006 water year, which consists of records of stage and discharge of streams; water quality of streams and ground water; stage and contents of lakes and reservoirs; water levels in wells; and precipitation data. Site-data sheets for selected stations in Canada and Wyoming also are included in this report. The data for Montana, along with data from various parts of the Nation, are included in 'Water-Resources Data for the United States, Water Year 2006', which is published as U.S. Geological Survey Water-Data Report WDR-US-2006 and is available at http://pubs.water.usgs.gov/wdr2006. Additional water year 2006 data collected at crest-stage gage and miscellaneous-measurement stations were collected but were not published. These data are stored in files of the U.S. Geological Survey Montana Water Science Center in Helena, Montana, and are available on request.

  14. Prevalence of sedentary behavior and its correlates among primary and secondary school students

    PubMed Central

    Ferreira, Rodrigo Wiltgen; Rombaldi, Airton José; Ricardo, Luiza Isnardi Cardoso; Hallal, Pedro Curi; Azevedo, Mario Renato

    2016-01-01

    Abstract Objective: To determine the students’ exposure to four different sedentary behavior (SB) indicators and their associations with gender, grade, age, economic status and physical activity level. Methods: A cross-sectional study was conducted in 2013. The SB was collected using the HELENA instrument, composed by screen time questions (TV, video games and internet) and sitting activities on school opposite shift. The cut point of ≥2h/day was used to categorize the outcome. The Poisson regression was used for associations between the outcome and the independent variables (95% significance level), controlling for confounding variables and the possible design effect. Results: The sample was composed by 8661 students. The overall prevalence of SB was 69.2% (CI95% 68.1–70.2) on weekdays, and 79.6% (CI95% 78.7–80.5) on weekends. Females were more associated with the outcome, except to electronic games. Advanced grades students were more involved in sitting tasks when compared to the early grades. Older students were more likely to surf on net for ≥2h/day. Higher economic level students were more likely to engage in video games and internet. Active individuals were less likely to engage in SB on weekdays. Conclusions: The prevalence of SB was high, mainly on weekends. The associations with sex, age, grade and physical activity level should be considered into elaboration of more efficient interventions on SB control. PMID:26826878

  15. Twelve new species and fifty-three new provincial distribution records of Aleocharinae rove beetles of Saskatchewan, Canada (Coleoptera, Staphylinidae)

    PubMed Central

    Klimaszewski, Jan; Larson, David J.; Labrecque, Myriam; Bourdon, Caroline

    2016-01-01

    Abstract One hundred twenty species of aleocharine beetles (Staphylinidae) are recognized in the province of Saskatchewan. Sixty-five new provincial records, including twelve new species and one new North American record, are presented. Oligota inflata (Mannerheim), a Palearctic species, is newly recorded for North America. The following twelve species are described as new to science: Acrotona pseudopygmaea Klimaszewski & Larson, sp. n., Agaricomorpha pulchra Klimaszewski & Larson, sp. n. (new genus record for Canadian fauna), Aleochara elisabethae Klimaszewski & Larson, sp. n., Atheta (Dimetrota) larsonae Klimaszewski & Larson, sp. n., Atheta (Microdota) pseudopittionii Klimaszewski & Larson, sp. n., Atheta (Microdota) spermathecorum Klimaszewski & Larson, sp. n., Atheta (sensu lato) richardsoni Klimaszewski & Larson, sp. n., Brachyusa saskatchewanae Klimaszewski & Larson, sp. n., Dochmonota langori Klimaszewski & Larson, sp. n., Dochmonota simulans Klimaszewski & Larson, sp. n., Dochmonota websteri Klimaszewski & Larson, sp. n., and Oxypoda domestica Klimaszewski & Larson, sp. n. Colour images of habitus and black and white images of the median lobe of the aedeagus, spermatheca, and tergite and sternite VIII are presented for all new species, Oligota inflata Mannerheim and Dochmonota rudiventris (Eppelsheim). A new synonymy is established: Tetralina filitarsus Casey, syn. n. = Tetralina helenae Casey, now placed in the genus Brachyusa Mulsant & Rey. PMID:27587977

  16. A new species of Didogobius (Teleostei: Gobiidae) from the Canary Islands.

    PubMed

    Van Tassell, James L; Kramer, Annemarie

    2014-05-01

    Didogobius helenae is described from the Canary Islands. It has a sensory papillae pattern that is consistent with the current diagnosis for Didogobius, but lacks all head canals and pores that are present in other members of the genus. Pores, in general, are replaced by large papillae.  The species is defined by first dorsal fin VI; second dorsal fin I,10; anal fin I,9; pectoral fin 16-17; pelvic fin I,5 and disk shaped; lateral scales 28-30, cycloid at anterior, becoming ctenoid posteriorly; cycloid scales present on belly and posterior breast; predorsal region, cheek, operculum and base of pectoral fin without scales; lower most scale on the caudal fin-base with elongate, thickened ctenii along the upper and lower posterior edges. Color in life consists of four mottled, wide brown-orange bars separated by narrower white bars on the trunk, the cheek whitish with 5 more or less circular blotches of orange, outlined in dark brown and a black spot on ventral operculum. A key to the species is provided. 

  17. Results of reconnaissance for uraniferous coal, lignite, and carbonaceous shale in western Montana

    USGS Publications Warehouse

    Hail, William J.; Gill, James R.

    1952-01-01

    A reconnaissance search for uraniferous lignite and carbonaceous shale was made in western Montana and adjacent parts of Idaho during the summer of 1951. Particular emphasis in the examination was placed on coal and carbonaceous shale associated with volcanic rocks, as volcanic rocks in many area appear to have released uranium to circulating ground water from which it was concentrated in carbonaceous material. Twenty-two area in Montana and one area of Idaho were examine. The coal in five of these area is of Cretaceous age. The coal and carbonaceous shale in the remaining 18 area occur in Tertiary "lake-bed" deposits of Oligocene and younger age. Both the Cretaceous and Tertiary coal and carbonaceous shale are associated with contemporaneous or younger volcanic rocks and pyroclastic sequences. A sample of carbonaceous shale from the Prickly Pear Valley northeast of Helena, Montana, contained 0.013 percent uranium. A sample of carbonaceous shale from the Flint Creek Valley southwest of Drummond, Montana, contained 0.006 percent uranium. All other samples of both Cretaceous and Tertiary coal and carbonaceous shale were essentially non-radioactive. No further work is planned on the Cretaceous and Tertiary coal and carbonaceous shale in western Montana. A few localities in Idaho will be visited in the course of other work.

  18. Predictive modeling of pedestal structure in KSTAR using EPED model

    NASA Astrophysics Data System (ADS)

    Han, Hyunsun; Kwon, Ohjin; Kim, J. Y.

    2013-10-01

    A predictive calculation is given for the structure of edge pedestal in the H-mode plasma of the KSTAR (Korea Superconducting Tokamak Advanced Research) device using the EPED model. Particularly, the dependence of pedestal width and height on various plasma parameters is studied in detail. The two codes, ELITE and HELENA, are utilized for the stability analysis of the peeling-ballooning and kinetic ballooning modes, respectively. Summarizing the main results, the pedestal slope and height have a strong dependence on plasma current, rapidly increasing with it, while the pedestal width is almost independent of it. The plasma density or collisionality gives initially a mild stabilization, increasing the pedestal slope and height, but above some threshold value its effect turns to a destabilization, reducing the pedestal width and height. Among several plasma shape parameters, the triangularity gives the most dominant effect, rapidly increasing the pedestal width and height, while the effect of elongation and squareness appears to be relatively weak. Implication of these edge results, particularly in relation to the global plasma performance, is discussed.

  19. Predictive modeling of pedestal structure in KSTAR using EPED model

    SciTech Connect

    Han, Hyunsun; Kim, J. Y.; Kwon, Ohjin

    2013-10-15

    A predictive calculation is given for the structure of edge pedestal in the H-mode plasma of the KSTAR (Korea Superconducting Tokamak Advanced Research) device using the EPED model. Particularly, the dependence of pedestal width and height on various plasma parameters is studied in detail. The two codes, ELITE and HELENA, are utilized for the stability analysis of the peeling-ballooning and kinetic ballooning modes, respectively. Summarizing the main results, the pedestal slope and height have a strong dependence on plasma current, rapidly increasing with it, while the pedestal width is almost independent of it. The plasma density or collisionality gives initially a mild stabilization, increasing the pedestal slope and height, but above some threshold value its effect turns to a destabilization, reducing the pedestal width and height. Among several plasma shape parameters, the triangularity gives the most dominant effect, rapidly increasing the pedestal width and height, while the effect of elongation and squareness appears to be relatively weak. Implication of these edge results, particularly in relation to the global plasma performance, is discussed.

  20. Tracing recycled volatiles in a heterogeneous mantle with boron isotopes

    NASA Astrophysics Data System (ADS)

    Walowski, Kristina; Kirstein, Linda; de Hoog, Cees-Jan; Elliot, Tim; Savov, Ivan; Devey, Colin

    2016-04-01

    Recycling of oceanic lithosphere drives the chemical evolution of the Earth's mantle supplying both solids and volatiles to the Earth's interior. Yet, how subducted material influences mantle composition remains unclear. A perfect tracer for slab recycling should be only fractionated at the Earth's surface, have a strong influence on mantle compositions but be resistant to perturbations en route back to the surface. Current understanding suggests that boron concentrations linked to B isotope determinations fulfil all these requirements and should be an excellent tracer of heterogeneity in the deep mantle. Here, we present the trace element, volatile and the B isotope composition of basaltic glasses and melt inclusions in olivine from distinct end-member ocean island basalts (OIB) to track the fate of recycled lithosphere and ultimately document how recycling contributes to mantle heterogeneity. The chosen samples represent the different end member OIB compositions and include: EMI (Pitcairn), EMII (MacDonald), HIMU (St. Helena), and FOZO (Cape Verde & Reunion). The data is derived from both submarine and subaerial deposits, with B isotope determination of both basaltic glass and melt inclusions from each locality. Preliminary results suggest OIB have B isotopic compositions that overlap the MORB array (-7.5‰±0.7; Marschall et al., 2015) but extend to both lighter and heavier values. These results suggest that B isotopes will be useful for resolving mantle source heterogeneity at different ocean islands and contribute to our understanding of the volatile budget of the deep mantle.

  1. Stress coupling in the seismic cycle indicated from geodetic measurements

    NASA Astrophysics Data System (ADS)

    Wang, L.; Hainzl, S.; Zoeller, G.; Holschneider, M.

    2012-12-01

    Wang, Sebastian Hainzl, Gert Zöller, Matthias Holschneider, M., 2012. Stress- and aftershock- constrained joint inversions for co- and post- seismic slip applied to the 2004 M6.0 Parkfield earthquake. J. Geophys. Res. doi:10.1029/2011JB009017.

  2. SeaWinds - Oceans, Land, Polar Regions

    NASA Technical Reports Server (NTRS)

    1999-01-01

    The SeaWinds scatterometer on the QuikScat satellite makes global radar measurements -- day and night, in clear sky and through clouds. The radar data over the oceans provide scientists and weather forecasters with information on surface wind speed and direction. Scientists also use the radar measurements directly to learn about changes in vegetation and ice extent over land and polar regions.

    This false-color image is based entirely on SeaWinds measurements obtained over oceans, land, and polar regions. Over the ocean, colors indicate wind speed with orange as the fastest wind speeds and blue as the slowest. White streamlines indicate the wind direction. The ocean winds in this image were measured by SeaWinds on September 20, 1999. The large storm in the Atlantic off the coast of Florida is Hurricane Gert. Tropical storm Harvey is evident as a high wind region in the Gulf of Mexico, while farther west in the Pacific is tropical storm Hilary. An extensive storm is also present in the South Atlantic Ocean near Antarctica.

    The land image was made from four days of SeaWinds data with the aid of a resolution enhancement algorithm developed by Dr. David Long at Brigham Young University. The lightest green areas correspond to the highest radar backscatter. Note the bright Amazon and Congo rainforests compared to the dark Sahara desert. The Amazon River is visible as a dark line running horizontally though the bright South American rain forest. Cities appear as bright spots on the images, especially in the U.S. and Europe.

    The image of Greenland and the north polar ice cap was generated from data acquired by SeaWinds on a single day. In the polar region portion of the image, white corresponds to the largest radar return, while purple is the lowest. The variations in color in Greenland and the polar ice cap reveal information about the ice and snow conditions present.

    NASA's Earth Science Enterprise is a long-term research and technology program designed to

  3. SeaWinds Global Coverage with Detail of Hurricane Floyd

    NASA Technical Reports Server (NTRS)

    1999-01-01

    The distribution of ocean surface winds over the Atlantic Ocean, based on September 1999 data from NASA's SeaWinds instrument on the QuikScat satellite, shows wind direction (white streamlines) at a resolution of 25 kilometers (15.5 miles), superimposed on the color image indicating wind speed.

    Over the ocean, the strong (seen in violet) trade winds blow steadily from the cooler subtropical oceans to warm waters just north of the equator. The air rises over these warm waters and sinks in the subtropics at the horse latitudes. Low wind speeds are indicated in blue. In the mid-latitudes, the high vorticity caused by the rotation of the Earth generates the spirals of weather systems. The North Atlantic is dominated by a high-pressure system, whose anti-cyclonic (clockwise) flow creates strong winds blowing parallel to the coast of Spain and Morocco. This creates strong ocean upwelling and cold temperature. Hurricane Floyd, with its high winds (yellow), is clearly visible west of the Bahamas. Tropical depression Gert is seen as it was forming in the tropical mid-Atlantic (as an anti-clockwise spiral); it later developed into a full-blown hurricane.

    Because the atmosphere is largely transparent to microwaves, SeaWinds is able to cover 93 percent of the global oceans, under both clear and cloudy conditions, in a single day, with the capability of a synoptic view of the ocean. The high resolution of the data also gives detailed description of small and intense weather systems, like Hurricane Floyd. The image in the insert is based on data specially produced at 12.5 kilometers (7.7 miles). In the insert, white arrows of wind vector are imposed on the color image of wind speed. The insert represents a 3-degree area occupied by Hurricane Floyd. After these data were acquired, Hurricane Floyd turned north. Its strength and proximity to the Atlantic coast of the U.S. caused the largest evacuation of citizens in U.S. history. Its landfall on September 16, 1999

  4. Scientific psychology in Brazil in the 20th century: the dialogue with European researchers, a look at Brazilian culture and a successful process of professionalization.

    PubMed

    Campos, Regina Helena de Freitas

    2006-01-01

    The first laboratories of psychology established in Brazil were organized in the early twentieth century by professionals trained in medical schools or in education. These laboratories, linked to mental health hospitals or to normal schools, followed guidelines suggested by Edouard Claparède, from the Laboratory of Psychology of the University of Geneva, and by Alfred Binet, from the Laboratory of Psychology of the University of Paris (Sorbonne). Besides replicating experimental studies done in Europe, their purpose was to study the psychological characteristics of the population attended by the mental health or educational systems. The themes explored by the researchers were the comparison of psychological processes in normal and mentally troubled individuals, or the study of the mental development of school-age children. The meaning of the word "laboratory" became associated with applied psychology, and with the adaptation to the Brazilian population of mental tests elaborated in other countries (mainly in France). Around the 1940s and 1950s, with the establishment of the teaching of psychology in higher learning institutions, research in the area expanded. Two authors are mainly responsible for this expansion: Lourenço Filho (1897-1970), and Helena Antipoff (1892-1974). Their work, still inspired by Claparède and Binet, contributed to the development of important lines of research in psychology in Brazil, with a lasting influence on subsequent generations of psychologists. From the 1960s onwards, with the regulation of the profession of psychologist, formal university programs increased strongly, and, in the 1980s and 1990s, a comprehensive system of graduate programs in psychology was established, contributing to the professionalization of research in the field.

  5. Development of a 14-digit Hydrologic Unit Code Numbering System for South Carolina

    USGS Publications Warehouse

    Bower, David E.; Lowry, Claude; Lowery, Mark A.; Hurley, Noel M.

    1999-01-01

    A Hydrologic Unit Map showing the cataloging units, watersheds, and subwatersheds of South Carolina has been developed by the U.S. Geological Survey in cooperation with the South Carolina Department of Health and Environmental Control, funded through a U.S. Environmental Protection Agency 319 Grant, and the U.S. Department of Agriculture, Natural Resources Conservation Service. These delineations represent 8-, 11-, and 14-digit Hydrologic Unit Codes, respectively. This map presents information on drainage, hydrography, and hydrologic boundaries of the water-resources regions, subregions, accounting units, cataloging units, watersheds, and subwatersheds. The source maps for the basin delineations are 1:24,000-scale 7.5-minute series topographic maps and the base maps shown on figure 1 are from 1:100,000-scale Digital Line Graphs; however, the data are published at a scale of 1:500,000. In addition, an electronic version of the data is provided on a compact disc. Of the 1,022 subwatersheds delineated for this project, 1,004 range in size from 3,000 to 40,000 acres (4.69 to 62.5 square miles). Seventeen subwatersheds are smaller than 3,000 acres and one subwatershed, located on St. Helena Island, is larger than 40,000 acres. This map and its associated codes provide a standardized base for use by water-resource managers and planners in locating, storing, retrieving, and exchanging hydrologic data. In addition, the map can be used for cataloging water-data acquisition activities, geographically organizing hydrologic data, and planning and describing water-use and related land-use activities.

  6. FOREWORD: 18th International School on Condensed Matter Physics

    NASA Astrophysics Data System (ADS)

    Dimova-Malinovska, Doriana; Genova, Julia; Nesheva, Diana; Petrov, Alexander G.; Primatarowa, Marina T.

    2014-12-01

    We are delighted to present the Proceedings of the 18th International School on Condensed Matter Physics: Challenges of Nanoscale Science: Theory, Materials, Applications, organized by the Institute of Solid State Physics of the Bulgarian Academy of Sciences and chaired by Professor Alexander G Petrov. On this occasion the School was held in memory of Professor Nikolay Kirov (1943-2013), former Director of the Institute and Chairman between 1991 and 1998. The 18ISCMP was one of several events dedicated to the 145th anniversary of the Bulgarian Academy of Sciences in 2014, and was held in the welcoming Black Sea resort of St. Constantine and Helena near Varna, at the Hotel and Congress Centre Frederic Joliot-Curie. Participants from 16 countries delivered 32 invited lectures, and 71 contributed posters were presented over three lively and well-attended evening sessions. Manuscripts submitted to the Proceedings were refereed in accordance with the guidelines of the Journal of Physics: Conference Series, and we believe the papers published herein testify to the high technical quality and diversity of contributions. A satellite meeting, Transition Metal Oxide Thin Films - Functional Layers in Smart Windows and Water Splitting Devices: Technology and Optoelectronic Properties was held in parallel with the School (http://www.inera.org, 3-6 Sept 2014). This activity, which took place under the FP7-funded project INERA, offered opportunities for crossdisciplinary discussions and exchange of ideas between both sets of participants. As always, a major factor in the success of the 18ISCMP was the social programme, headed by the organized events (Welcome and Farewell Parties) and enhanced in no small measure by a variety of pleasant local restaurants, bars and beaches. We are most grateful to staff of the Journal of Physics: Conference Series for their continued support for the School, this being the third occasion on which the Proceedings have been published under its

  7. Geologic map of the Sauk River 30- by 60-minute quadrangle, Washington

    USGS Publications Warehouse

    Tabor, R.W.; Booth, D.B.; Vance, J.A.; Ford, A.B.

    2002-01-01

    Summary -- The north-south-trending regionally significant Straight Creek Fault roughly bisects the Sauk River quadrangle and defines the fundamental geologic framework of it. Within the quadrangle, the Fault mostly separates low-grade metamorphic rocks on the west from medium- to high-grade metamorphic rocks of the Cascade metamorphic core. On the west, the Helena-Haystack melange and roughly coincident Darrington-Devils Mountain Fault Zone separate the western and eastern melange belts to the southwest from the Easton Metamorphic Suite, the Bell Pass melange, and rocks of the Chilliwack Group, to the northeast. The tectonic melanges have mostly Mesozoic marine components whereas the Chilliwack is mostly composed of Late Paleozoic arc rocks. Unconformably overlying the melanges and associated rocks are Eocene volcanic and sedimentary rocks, mostly infaulted along the Darrington-Devils Mountain Fault Zone. These younger rocks and a few small Eocene granitic plutons represent an extensional tectonic episode. East of the Straight Creek Fault, medium to high-grade regional metamorphic rocks of the Nason, Chelan Mountains, and Swakane terranes have been intruded by deep seated, Late Cretaceous granodioritic to tonalitic plutons, mostly now orthogneisses. Unmetamorphosed mostly tonalitic intrusions on both sides of the Straight Creek fault range from 35 to 4 million years old and represent the roots of volcanoes of the Cascade Magmatic Arc. Arc volcanic rocks are sparsely preserved east of the Straight Creek fault, but dormant Glacier Peak volcano on the eastern margin of the quadrangle is the youngest member of the Arc. Deposits of the Canadian Ice Sheet are well represented on the west side of the quadrangle, whereas alpine glacial deposits are common to the east. Roughly 5000 years ago lahars from Glacier Peak flowed westward filling major valleys across the quadrangle.

  8. Leptin status in adolescence is associated with academic performance in high school: a cross-sectional study in a Chilean birth cohort

    PubMed Central

    Correa-Burrows, Paulina; Blanco, Estela; Reyes, Marcela; Castillo, Marcela; Peirano, Patricio; Algarín, Cecilia; Lozoff, Betsy; Gahagan, Sheila; Burrows, Raquel

    2016-01-01

    Objective Leptin is a pleiotropic hormone associated with learning and memory via brain receptors. However, elevated plasma leptin levels may impair cognitive and memory functions. Since individual differences in memory performance affect students’ ability to learn, we aimed to study the relation between leptin status in adolescence and school performance. Design and setting We studied 568 adolescents aged 16–17 years from Santiago. A cross-sectional analysis was carried out on a birth cohort conducted in Santiago (Chile). Primary and secondary outcome measures We measured serum leptin concentration using an enzyme-linked immunosorbent assay. Cut-offs from the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) Study for 16-year-olds were used to define abnormally high leptin levels (hyperleptinaemia). Academic performance was measured using high-school grades and grade point average (GPA). Data were collected in 2009–2012; data analysis was performed in 2014. Results 15% of participants had hyperleptinaemia. They had significantly lower school grades and GPA compared with participants with normal leptin levels (eg, GPA mean difference=33.8 points). Leptin levels were negative and significantly correlated with school grades in 9th, 10th and 12th. Similarly, it was negatively correlated with high-school GPA. After controlling for health, sociodemographic and education confounders, the chances of having a performance ≥75th centile in students having hyperleptinaemia were 32% (95% CI 0.19% to 0.89%) that of students having normal serum leptin concentration. Conclusions In high school students, abnormally high levels of leptin were associated with poorer academic performance. These findings support the idea of a relationship between leptin and cognition. Further research is needed on the cognitive effects of leptin in younger populations. PMID:27797980

  9. Influence of in-stream diel concentration cycles of dissolved trace metals on acute toxicity to one-year-old cutthroat trout (Oncorhynchus clarki lewisi).

    PubMed

    Nimick, David A; Harper, David D; Farag, Aïda M; Cleasby, Thomas E; MacConnell, Elizabeth; Skaar, Don

    2007-12-01

    Extrapolating results of laboratory bioassays to streams is difficult, because conditions such as temperature and dissolved metal concentrations can change substantially on diel time scales. Field bioassays conducted for 96 h in two mining-affected streams compared the survival of hatchery-raised, metal-naïve westslope cutthroat trout (Oncorhynchus clarki lewisi) exposed to dissolved (0.1-microm filtration) metal concentrations that either exhibited the diel variation observed in streams or were controlled at a constant value. Cadmium and Zn concentrations in these streams increased each night by as much as 61 and 125%, respectively, and decreased a corresponding amount the next day, whereas Cu did not display a diel concentration cycle. In High Ore Creek (40 km south of Helena, MT, USA), survival (33%) after exposure to natural diel-fluctuating Zn concentrations (range, 214-634 microg/L; mean, 428 microg/L) was significantly (p = 0.008) higher than survival (14%) after exposure to a controlled, constant Zn concentration (422 microg/L). Similarly, in Dry Fork Belt Creek (70 km southeast of Great Falls, MT, USA), survival (75%) after exposure to diel-fluctuating Zn concentrations (range, 266-522 microg/L; mean, 399 microg/L) was significantly (p = 0.022) higher than survival (50%) in the constant-concentration treatment (392 microg/L). Survival likely was greater in these diel treatments, both because the periods of lower metal concentrations provided some relief for the fish and because toxicity during periods of higher metal concentrations was lessened by the simultaneous occurrence each night of lower water temperatures, which reduce the rate of metal uptake. Based on the present study, current water-quality criteria appear to be protective for streams with diel concentration cycles of Zn (and, perhaps, Cd) for the hydrologic conditions tested.

  10. Evaluation of Trazodone and Quetiapine for Insomnia: An Observational Study in Psychiatric Inpatients

    PubMed Central

    Chou, Tony I-Fan; Yu, Junhua; Trinh, Karen; Pal, Jai; Perry, Paul J.

    2013-01-01

    Background: Insomnia is symptomatic of most psychiatric disorders. Non–habit-forming agents such as trazodone and quetiapine are commonly used off-label to treat patients with insomnia. The safety and efficacy of trazodone and quetiapine as medications for treatment of insomnia have never been directly contrasted. The objective of this study was to compare the effectiveness of trazodone to quetiapine among inpatient psychiatric patients by measuring the traditional sleep parameters of total sleep time, number of nighttime awakenings, sleep efficiency, sleep latency, length of hospitalization, and patient-reported side effects. Method: Participants were recruited from St Helena Hospital Center for Behavioral Health, Vallejo, California. Patient inclusion criteria were age 18 to 65 years, admitted between September 2011 and February 2012, and a physician order for trazodone or quetiapine for insomnia. Exclusion criteria included primary insomnia, pregnancy, concomitant order of trazodone and quetiapine, receiving trazodone or quetiapine up to 2 weeks prior to the study, and inability to coherently communicate. Subjective patient interviews and objective nursing sleep log reviews composed the data set. Results: On average, mean total sleep time hours were longer among patients receiving trazodone versus those receiving quetiapine according to patients’ subjective reports (7.80 vs 6.75, respectively, P < .01) and the nursing sleep logs (9.13 vs 8.68, respectively, P = .04). Patients receiving trazodone experienced fewer mean nighttime awakenings versus those receiving quetiapine (0.52 vs 0.75, respectively, P = .04) according to the nursing sleep log report. Patients receiving trazodone reported more side effects of constipation, nausea, and diarrhea than patients receiving quetiapine. Conclusions: With respect to total sleep time and nighttime awakenings, trazodone was a more effective alternative than quetiapine. However, patients receiving trazodone experienced

  11. Assessment of platelet function in healthy sedated cats using three whole blood platelet function tests.

    PubMed

    Ho, Kimberly K; Abrams-Ogg, Anthony C G; Wood, R Darren; O'Sullivan, M Lynne; Kirby, Gordon M; Blois, Shauna L

    2015-05-01

    The objectives of this study were to establish feline references intervals for 3 commercial whole blood platelet function test analyzer systems: Multiplate analyzer (MP; Roche Diagnostics International Ltd., Rotkreuz, Switzerland), Platelet Function Analyzer-100 (PF: Siemens Canada, Mississauga, Ontario, Canada), and Plateletworks Combo-25 kit (PW; Helena Laboratories, Beaumont, TX). Venipuncture was performed on 55 healthy sedated cats, and platelet aggregation in response to adenosine diphosphate (ADP), collagen (COL), and arachidonic acid (AA; MP only) was assessed using citrated blood. For the MP analyzer, median (95% confidence intervals [CIs]) area under curve (Units) for ADP, COL, and AA agonists were 87 (11-176), 81 (32-129), and 91 (59-129), respectively. For the PF analyzer, median (95% CIs) closure time, using COL-ADP cartridges, was 69 (46-89) sec. For the PW assay, median (95% CIs) percent aggregations for ADP and COL agonists were 71 (18-92) and 49 (9-96), respectively, using impedance hematology analyzer platelet counts, and 94 (25-98) and 68 (14-119), respectively, using flow cytometry hematology analyzer platelet counts. There were low correlations between the PF analyzer (COL-ADP cartridge) and MP analyzer (COL agonist; ρ = 0.11), and between the PF analyzer (COL-ADP cartridge) and PW assay (COL agonist using impedance platelet counts; ρ = 0.14). The PW assay percent aggregations using impedance and flow cytometric platelet counts were correlated for both ADP (ρ = 0.64) and COL (ρ = 0.64) agonists. Platelet function testing using these tests are feasible in cats, but 95% CIs are wide, so single results may be difficult to interpret. Platelet counting by impedance or flow cytometry may be used for the PW assay but are not interchangeable.

  12. Defining a Clinically Meaningful Effect for the Design and Interpretation of Randomized Controlled Trials

    PubMed Central

    Kraemer, Helena C.; Epstein, Robert S.; Frank, Ellen; Haynes, Ginger; Laughren, Thomas P.; Mcnulty, James; Reed, Shelby D.; Sanchez, Juan; Leon, Andrew C.

    2013-01-01

    Objective: This article captures the proceedings of a meeting aimed at defining clinically meaningful effects for use in randomized controlled trials for psychopharmacological agents. Design: Experts from a variety of disciplines defined clinically meaningful effects from their perspectives along with viewpoints about how to design and interpret randomized controlled trials. Setting: The article offers relevant, practical, and sometimes anecdotal information about clinically meaningful effects and how to interpret them. Participants: The concept for this session was the work of co-chairs Richard Keefe and the late Andy Leon. Faculty included Richard Keefe, PhD; James McNulty, AbScB; Robert S. Epstein, MD, MS; Shelby D. Reed, PhD; Juan Sanchez, MD; Ginger Haynes, PhD; Andrew C. Leon, PhD; Helena Chmura Kraemer, PhD; Ellen Frank, PhD, and Kenneth L. Davis, MD. Results: The term clinically meaningful effect is an important aspect of designing and interpreting randomized controlled trials but can be particularly difficult in the setting of psychopharmacology where effect size may be modest, particularly over the short term, because of a strong response to placebo. Payers, regulators, patients, and clinicians have different concerns about clinically meaningful effects and may describe these terms differently. The use of moderators in success rate differences may help better delineate clinically meaningful effects. Conclusion: There is no clear consensus on a single definition for clinically meaningful differences in randomized controlled trials, and investigators must be sensitive to specific concerns of stakeholders in psychopharmacology in order to design and execute appropriate clinical trials. PMID:23882433

  13. Diel mercury-concentration variations in streams affected by mining and geothermal discharge

    USGS Publications Warehouse

    Nimick, D.A.; McCleskey, B.R.; Gammons, C.H.; Cleasby, T.E.; Parker, S.R.

    2007-01-01

    Diel variations of concentrations of unfiltered and filtered total Hg and filtered methyl Hg were documented during 24-h sampling episodes in water from Silver Creek, which drains a historical gold-mining district near Helena, Montana, and the Madison River, which drains the geothermal system of Yellowstone National Park. The concentrations of filtered methyl Hg had relatively large diel variations (increases of 68 and 93% from morning minima) in both streams. Unfiltered and filtered (0.1-??m filtration) total Hg in Silver Creek had diel concentration increases of 24% and 7%, respectively. In the Madison River, concentrations of unfiltered and filtered total Hg did not change during the sampling period. The concentration variation of unfiltered total Hg in Silver Creek followed the diel variation in suspended-particle concentration. The concentration variation of filtered total and methyl Hg followed the solar photocycle, with highest concentrations during the early afternoon and evening and lowest concentrations during the morning. None of the diel Hg variations correlated with diel variation in streamflow or major ion concentrations. The diel variation in filtered total Hg could have been produced by adsorption-desorption of Hg2+ or by reduction of Hg(II) to Hg0 and subsequent evasion of Hg0. The diel variation in filtered methyl Hg could have been produced by sunlight- and temperature-dependent methylation. This study is the first to examine diel Hg cycling in streams, and its results reinforce previous conclusions that diel trace-element cycling in streams is widespread but often not recognized and that parts of the biogeochemical Hg cycle respond quickly to the daily photocycle. ?? 2006 Elsevier B.V. All rights reserved.

  14. The population history of endogenous retroviruses in mule deer (Odocoileus heminous)

    USGS Publications Warehouse

    Kamath, Pauline L.; Elleder, Daniel; Bao, Le; Cross, Paul C.; Powell, John H.; Poss, Mary

    2013-01-01

    Mobile elements are powerful agents of genomic evolution and can be exceptionally informative markers for investigating species and population-level evolutionary history. While several studies have utilized retrotransposon-based insertional polymorphisms to resolve phylogenies, few population studies exist outside of humans. Endogenous retroviruses are LTR-retrotransposons derived from retroviruses that have become stably integrated in the host genome during past infections and transmitted vertically to subsequent generations. They offer valuable insight into host-virus co-evolution and a unique perspective on host evolutionary history because they integrate into the genome at a discrete point in time. We examined the evolutionary history of a cervid endogenous gammaretrovirus (CrERVγ) in mule deer (Odocoileus hemionus). We sequenced 14 CrERV proviruses (CrERV-in1 to -in14), and examined the prevalence and distribution of 13 proviruses in 262 deer among 15 populations from Montana, Wyoming, and Utah. CrERV absence in white-tailed deer (O. virginianus), identical 5′ and 3′ long terminal repeat (LTR) sequences, insertional polymorphism, and CrERV divergence time estimates indicated that most endogenization events occurred within the last 200000 years. Population structure inferred from CrERVs (F ST = 0.008) and microsatellites (θ = 0.01) was low, but significant, with Utah, northwestern Montana, and a Helena herd being particularly differentiated. Clustering analyses indicated regional structuring, and non-contiguous clustering could often be explained by known translocations. Cluster ensemble results indicated spatial localization of viruses, specifically in deer from northeastern and western Montana. This study demonstrates the utility of endogenous retroviruses to elucidate and provide novel insight into both ERV evolutionary history and the history of contemporary host populations.

  15. Combining a regeneration-promoting ipt gene and site-specific recombination allows a more efficient apricot transformation and the elimination of marker genes.

    PubMed

    López-Noguera, Sonia; Petri, César; Burgos, Lorenzo

    2009-12-01

    The presence of marker genes conferring antibiotic resistance in transgenic plants represents a serious obstacle for their public acceptance and future commercialization. In addition, their elimination may allow gene stacking by the same selection strategy. In apricot, selection using the selectable marker gene nptII, that confers resistance to aminoglycoside antibiotics, is relatively effective. An attractive alternative is offered by the MAT system (multi-auto-transformation), which combines the ipt gene for positive selection with the recombinase system R/RS for removal of marker genes from transgenic cells after transformation. Transformation with an MAT vector has been attempted in the apricot cultivar 'Helena'. Regeneration from infected leaves with Agrobacterium harboring a plasmid containing the ipt gene was significantly higher than that from non-transformed controls in a non-selective medium. In addition, transformation efficiencies were much higher than those previously reported using antibiotic selection, probably due to the integration of the regeneration-promoting ipt gene. However, the lack of an ipt expression-induced differential phenotype in apricot made difficult in detecting the marker genes excision and plants had to be evaluated at different times. PCR analysis showed that cassette excision start occurring after 6 months approximately and 1 year in culture was necessary for complete elimination of the cassette in all the transgenic lines. Excision was confirmed by Southern blot analysis. We report here for the first time in a temperate fruit tree that the MAT vector system improves regeneration and transformation efficiency and would allow complete elimination of marker genes from transgenic apricot plants by site-specific recombination.

  16. Phylogeography of Ophioblennius: the role of ocean currents and geography in reef fish evolution.

    PubMed

    Muss, A; Robertson, D R; Stepien, C A; Wirtz, P; Bowen, B W

    2001-03-01

    Many tropical reef fishes are divided into Atlantic and East Pacific taxa, placing similar species in two very different biogeographic regimes. The tropical Atlantic is a closed ocean basin with relatively stable currents, whereas the East Pacific is an open basin with unstable oceanic circulation. To assess how evolutionary processes are influenced by these differences in oceanography and geography, we analyze a 630-bp region of mitochondrial cytochrome b from 171 individuals in the blenniid genus Ophioblennius. Our results demonstrate deep genetic structuring in the Atlantic species, O. atlanticus, corresponding to recognized biogeographic provinces, with divergences of d = 5.2-12.7% among the Caribbean, Brazilian, St. Helena/Ascension Island, Gulf of Guinea, and Azores/Cape Verde regions. The Atlantic phylogeny is consistent with Pliocene dispersal from the western to eastern Atlantic, and the depth of these separations (along with prior morphological comparisons) may indicate previously unrecognized species. The eastern Pacific species, O. steindachneri, is characterized by markedly less structure than O. atlanticus, with shallow mitochondrial DNA lineages (dmax = 2.7%) and haplotype frequency shifts between locations in the Sea of Cortez, Pacific Panama, Clipperton Island, and the Galapagos Islands. No concordance between genetic structure and biogeographic provinces was found for O. steincdachneri. We attribute the phylogeographic pattern in O. atlanticus to dispersal during the reorganization of Atlantic circulation patterns that accompanied the shoaling of the Isthmus of Panama. The low degree of structure in the eastern Pacific is probably due to unstable circulation and linkage to the larger Pacific Ocean basin. The contrast in genetic signatures between Atlantic and eastern Pacific blennies demonstrates how differences in geology and oceanography have influenced evolutionary radiations within each region.

  17. Australian Assassins, Part I: A review of the Assassin Spiders (Araneae, Archaeidae) of mid-eastern Australia

    PubMed Central

    Rix, Michael G.; Harvey, Mark S.

    2011-01-01

    Abstract The Assassin Spiders of the family Archaeidae are an ancient and iconic lineage of basal araneomorph spiders, characterised by a specialised araneophagic ecology and unique, ‘pelican-like’ cephalic morphology. Found throughout the rainforests, wet sclerophyll forests and mesic heathlands of south-western, south-eastern and north-eastern Australia, the genus Austrarchaea Forster & Platnick, 1984 includes a diverse assemblage of relictual, largely short-range endemic species. With recent dedicated field surveys and significant advances in our understanding of archaeid biology and ecology, numerous new species of assassin spiders have been discovered in the montane sub-tropical and warm-temperate closed forests of mid-eastern Australia, including several rare or enigmatic taxa and species of conservation concern. This fauna is revised and 17 new species are described from south-eastern Queensland and eastern New South Wales: Austrarchaea alani sp. n., Austrarchaea aleenae sp. n., Austrarchaea binfordae sp. n., Austrarchaea christopheri sp. n., Austrarchaea clyneae sp. n., Austrarchaea cunninghami sp. n., Austrarchaea dianneae sp. n., Austrarchaea harmsi sp. n., Austrarchaea helenae sp. n., Austrarchaea judyae sp. n., Austrarchaea mascordi sp. n., Austrarchaea mcguiganae sp. n., Austrarchaea milledgei sp. n., Austrarchaea monteithi sp. n., Austrarchaea platnickorum sp. n., Austrarchaea raveni sp. n. and Austrarchaea smithae sp. n. Adult specimens of the type species, Austrarchaea nodosa (Forster, 1956) are redescribed from the Lamington Plateau, south-eastern Queensland, and distinguished from the sympatric species Austrarchaea dianneae sp. n. A key to species and a molecular phylogenetic analysis of COI and COII mtDNA sequences complement the species-level taxonomy, with maps, habitat photos, natural history information and conservation assessments provided for all species. PMID:21998529

  18. Longer breastfeeding is associated with increased lower body explosive strength during adolescence.

    PubMed

    Artero, Enrique G; Ortega, Francisco B; España-Romero, Vanesa; Labayen, Idoia; Huybrechts, Inge; Papadaki, Angeliki; Rodriguez, Gerardo; Mauro, Beatrice; Widhalm, Kurt; Kersting, Mathilde; Manios, Yannis; Molnar, Denes; Moreno, Luis A; Sjöström, Michael; Gottrand, Frederic; Castillo, Manuel J; De Henauw, Stefaan

    2010-11-01

    Our aim in this study was to examine the association between breastfeeding duration and cardiorespiratory fitness, isometric strength, and explosive strength during adolescence. A total of 2567 adolescents (1426 girls) from the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) cross-sectional study aged 12.5-17.5 y were included. Information about duration of any and exclusive breastfeeding was obtained retrospectively by means of a parental questionnaire. The 20-m shuttle run, handgrip strength, and standing long jump tests were used to assess physical fitness. Significant differences among the categories of breastfeeding duration were tested using ANCOVA after adjusting for a set of potential confounders: gestational and current age, birth weight, sexual maturation, fat mass, fat-free mass, maternal education, parental weight status, country, smoking behavior, and days of vigorous physical activity. Longer breastfeeding (either any or exclusive) was associated with a higher performance in the standing long jump test in both boys and girls (P < 0.001), regardless of fat mass, fat-free mass, and the rest of potential confounders. In adolescents who were breastfed for 3-5 mo or ≥6 mo, the risk of having a standing long jump performance below the 5th percentile was reduced by half compared with those who were never breastfed [odds ratio (OR) = 0.54, 95% CI = 0.30-0.96, P < 0.05; and OR = 0.40, 95% CI = 0.22-0.74, P < 0.01, respectively). These findings suggest a role of breastfeeding in determining lower body explosive strength during adolescence.

  19. Preliminary isostatic gravity map of the Sonoma volcanic field and vicinity, Sonoma and Napa Counties, California

    USGS Publications Warehouse

    Langenheim, V.E.; Roberts, C.W.; McCabe, C.A.; McPhee, D.K.; Tilden, J.E.; Jachens, R.C.

    2006-01-01

    This isostatic residual gravity map is part of a three-dimensional mapping effort focused on the subsurface distribution of rocks of the Sonoma volcanic field in Napa and Sonoma counties, northern California. This map will serve as a basis for modeling the shapes of basins beneath the Santa Rosa Plain and Napa and Sonoma Valleys, and for determining the location and geometry of faults within the area. Local spatial variations in the Earth's gravity field (after accounting for variations caused by elevation, terrain, and deep crustal structure explained below) reflect the distribution of densities in the mid to upper crust. Densities often can be related to rock type, and abrupt spatial changes in density commonly mark lithologic boundaries. High-density basement rocks exposed within the northern San Francisco Bay area include those of the Mesozoic Franciscan Complex and Great Valley Sequence present in the mountainous areas of the quadrangle. Alluvial sediment and Tertiary sedimentary rocks are characterized by low densities. However, with increasing depth of burial and age, the densities of these rocks may become indistinguishable from those of basement rocks. Tertiary volcanic rocks are characterized by a wide range in densities, but, on average, are less dense than the Mesozoic basement rocks. Isostatic residual gravity values within the map area range from about -41 mGal over San Pablo Bay to about 11 mGal near Greeg Mountain 10 km east of St. Helena. Steep linear gravity gradients are coincident with the traces of several Quaternary strike-slip faults, most notably along the West Napa fault bounding the west side of Napa Valley, the projection of the Hayward fault in San Pablo Bay, the Maacama Fault, and the Rodgers Creek fault in the vicinity of Santa Rosa. These gradients result from juxtaposing dense basement rocks against thick Tertiary volcanic and sedimentary rocks.

  20. Understanding the mechanisms of antitropical divergence in the seabird White-faced Storm-petrel (Procellariiformes: Pelagodroma marina) using a multilocus approach.

    PubMed

    Silva, Mónica C; Matias, Rafael; Wanless, Ross M; Ryan, Peter G; Stephenson, Brent M; Bolton, Mark; Ferrand, Nuno; Coelho, M Manuela

    2015-06-01

    Analytical methods that apply coalescent theory to multilocus data have improved inferences of demographic parameters that are critical to understanding population divergence and speciation. In particular, at the early stages of speciation, it is important to implement models that accommodate conflicting gene trees, and benefit from the presence of shared polymorphisms. Here, we employ eleven nuclear loci and the mitochondrial control region to investigate the phylogeography and historical demography of the pelagic seabird White-faced Storm-petrel (Pelagodroma marina) by sampling subspecies across its antitropical distribution. Groups are all highly differentiated: global mitochondrial ΦST = 0.89 (P < 0.01) and global nuclear ΦST varies between 0.22 and 0.83 (all P < 0.01). The complete lineage sorting of the mitochondrial locus between hemispheres is corroborated by approximately half of the nuclear genealogies, suggesting a long-term antitropical divergence in isolation. Coalescent-based estimates of demographic parameters suggest that hemispheric divergence of P. marina occurred approximately 840 000 ya (95% HPD 582 000-1 170 000), in the absence of gene flow, and divergence within the Southern Hemisphere occurred 190 000 ya (95% HPD 96 000-600 000), both probably associated with the profound palaeo-oceanographic changes of the Pleistocene. A fledgling sampled in St Helena (tropical South Atlantic) suggests recent colonization from the Northern Hemisphere. Despite the great potential for long-distance dispersal, P. marina antitropical groups have been evolving as independent, allopatric lineages, and divergence is probably maintained by philopatry coupled with asynchronous reproductive phenology and local adaptation.

  1. Alpheid shrimps (Decapoda: Caridea) of the Trindade & Martin Vaz Archipelago, off Brazil, with new records, description of a new species of Synalpheus and remarks on zoogeographical patterns in the oceanic islands of the tropical southern Atlantic.

    PubMed

    Anker, Arthur; Tavares, Marcos

    2016-07-14

    The present study deals with shrimps of the family Alpheidae collected in the shallow waters around the remote Trindade & Martin Vaz Archipelago, situated 1200 km off the coast of Espírito Santo, Brazil. A few additional samples came from dredges on top of the seamounts of the Vitória-Trindade Seamount Chain. A total of 23 species in eight genera are reported, the vast majority representing new records for the area. One species is described as new, Synalpheus trinitatis sp. nov., based on the type material from Trindade Island. The new species clearly belongs to the Synalpheus brooksi Coutière, 1909 species complex, differing from all its other members by at least two morphological features. Four species represent new records for Brazil and the southwestern Atlantic: Alpheopsis aequalis Coutière, 1897 sensu lato, Alpheopsis chalciope de Man, 1910 sensu lato, Alpheus crockeri (Armstrong, 1941) and Prionalpheus gomezi Martínez-Iglesias & Carvacho, 1991; the two species of Alpheopsis are recorded from the Atlantic Ocean for the first time. The colour pattern of the recently described Alpheus rudolphi Almeida & Anker, 2011, a species endemic to Brazil, is shown for the first time and compared to the colour patterns of the four closely related species of the A. armatus Rathbun, 1901 complex from the Caribbean-Florida region. A brief zoogeographical analysis of the alpheid fauna of the oceanic islands of the tropical southern Atlantic (Trindade & Martin Vaz, Fernando de Noronha, Atol das Rocas, São Pedro & São Paulo, Ascension, Saint Helena, Cape Verde, São Tomé & Príncipe) is also provided.

  2. The population history of endogenous retroviruses in mule deer (Odocoileus hemionus).

    PubMed

    Kamath, Pauline L; Elleder, Daniel; Bao, Le; Cross, Paul C; Powell, John H; Poss, Mary

    2014-01-01

    Mobile elements are powerful agents of genomic evolution and can be exceptionally informative markers for investigating species and population-level evolutionary history. While several studies have utilized retrotransposon-based insertional polymorphisms to resolve phylogenies, few population studies exist outside of humans. Endogenous retroviruses are LTR-retrotransposons derived from retroviruses that have become stably integrated in the host genome during past infections and transmitted vertically to subsequent generations. They offer valuable insight into host-virus co-evolution and a unique perspective on host evolutionary history because they integrate into the genome at a discrete point in time. We examined the evolutionary history of a cervid endogenous gammaretrovirus (CrERVγ) in mule deer (Odocoileus hemionus). We sequenced 14 CrERV proviruses (CrERV-in1 to -in14), and examined the prevalence and distribution of 13 proviruses in 262 deer among 15 populations from Montana, Wyoming, and Utah. CrERV absence in white-tailed deer (O. virginianus), identical 5' and 3' long terminal repeat (LTR) sequences, insertional polymorphism, and CrERV divergence time estimates indicated that most endogenization events occurred within the last 200000 years. Population structure inferred from CrERVs (F ST = 0.008) and microsatellites (θ = 0.01) was low, but significant, with Utah, northwestern Montana, and a Helena herd being particularly differentiated. Clustering analyses indicated regional structuring, and non-contiguous clustering could often be explained by known translocations. Cluster ensemble results indicated spatial localization of viruses, specifically in deer from northeastern and western Montana. This study demonstrates the utility of endogenous retroviruses to elucidate and provide novel insight into both ERV evolutionary history and the history of contemporary host populations.

  3. Influence of in-stream diel concentration cycles of dissolved trace metals on acute toxicity to one-year-old cutthroat trout (Oncorhynchus clarki lewisi)

    USGS Publications Warehouse

    Nimick, D.A.; Harper, D.D.; Farag, A.M.; Cleasby, T.E.; MacConnell, Elizabeth; Skaar, D.

    2007-01-01

    Extrapolating results of laboratory bioassays to streams is difficult, because conditions such as temperature and dissolved metal concentrations can change substantially on diel time scales. Field bioassays conducted for 96 h in two mining-affected streams compared the survival of hatchery-raised, metal-nai??ve westslope cutthroat trout (Oncorhynchus clarki lewisi) exposed to dissolved (0.1-??m filtration) metal concentrations that either exhibited the diel variation observed in streams or were controlled at a constant value. Cadmium and Zn concentrations in these streams increased each night by as much as 61 and 125%, respectively, and decreased a corresponding amount the next day, whereas Cu did not display a diel concentration cycle. In High Ore Creek (40 km south of Helena, MT, USA), survival (33%) after exposure to natural diel-fluctuating Zn concentrations (range, 214-634 ??g/L; mean, 428 ??g/L) was significantly (p = 0.008) higher than survival (14%) after exposure to a controlled, constant Zn concentration (422 ??g/L). Similarly, in Dry Fork Belt Creek (70 km southeast of Great Falls, MT, USA), survival (75%) after exposure to diel-fluctuating Zn concentrations (range, 266-522 ??g/L; mean, 399 ??g/L) was significantly (p = 0.022) higher than survival (50%) in the constant-concentration treatment (392 ??g/L). Survival likely was greater in these diel treatments, both because the periods of lower metal concentrations provided some relief for the fish and because toxicity during periods of higher metal concentrations was lessened by the simultaneous occurrence each night of lower water temperatures, which reduce the rate of metal uptake. Based on the present study, current water-quality criteria appear to be protective for streams with diel concentration cycles of Zn (and, perhaps, Cd) for the hydrologie conditions tested. ?? 2007 SETAC.

  4. Sources, transport and deposition of terrestrial organic material: A case study from southwestern Africa

    NASA Astrophysics Data System (ADS)

    Herrmann, Nicole; Boom, Arnoud; Carr, Andrew S.; Chase, Brian M.; Granger, Robyn; Hahn, Annette; Zabel, Matthias; Schefuß, Enno

    2016-10-01

    Southwestern Africa's coastal marine mudbelt, a prominent Holocene sediment package, provides a valuable archive for reconstructing terrestrial palaeoclimates on the adjacent continent. While the origin of terrestrial inorganic material has been intensively studied, the sources of terrigenous organic material deposited in the mudbelt are yet unclear. In this study, plant wax derived n-alkanes and their compound-specific δ13C in soils, flood deposits and suspension loads from regional fluvial systems and marine sediments are analysed to characterize the origin of terrestrial organic material in the southwest African mudbelt. Soils from different biomes in the catchments of the Orange River and small west coast rivers show on average distinct n-alkane distributions and compound-specific δ13C values reflecting biome-specific vegetation types, most notably the winter rainfall associated Fynbos Biome of the southwestern Cape. In the fluvial sediment samples from the Orange River, changes in the n-alkane distributions and compound-specific δ13C compositions reveal an overprint by local vegetation along the river's course. The smaller west coast rivers show distinct signals, reflecting their small catchment areas and particular vegetation communities. Marine surface sediments spanning a transect from the northern mudbelt (29°S) to St. Helena Bay (33°S) reveal subtle, but spatially coherent, changes in n-alkane distributions and compound-specific δ13C, indicating the influence of Orange River sediments in the northern mudbelt, the increasing importance of terrigenous input from the adjacent western coastal biomes in the central mudbelt, and contributions from the Fynbos Biome to the southern mudbelt. These findings indicate the different sources of terrestrial organic material deposited in the mudbelt, and highlight the potential the mudbelt has to preserve evidence of environmental change from the adjacent continent.

  5. Trace sulfate in mid-Proterozoic carbonates and the sulfur isotope record of biospheric evolution

    NASA Astrophysics Data System (ADS)

    Gellatly, Anne M.; Lyons, Timothy W.

    2005-08-01

    Concentrations of oceanic and atmospheric oxygen have varied over geologic time as a function of sulfur and carbon cycling at or near the Earth's surface. This balance is expressed in the sulfur isotope composition of seawater sulfate. Given the near absence of gypsum in pre-Phanerozoic sediments, trace amounts of carbonate-associated sulfate (CAS) within limestones or dolostones provide the best available constraints on the isotopic composition of sulfate in Precambrian seawater. Although absolute CAS concentrations, which range from those below detection to ˜120 ppm sulfate in this study, may be compromised by diagenesis, the sulfur isotope compositions can be buffered sufficiently to retain primary values. Stratigraphically controlled δ 34S measurements for CAS from three mid-Proterozoic carbonate successions (˜1.2 Ga Mescal Limestone, Apache Group, Arizona, USA; ˜1.45-1.47 Ga Helena and Newland formations, Belt Supergroup, Montana, USA; and ˜1.65 Ga Paradise Creek Formation, McNamara Group, NW Queensland, Australia) show large isotopic variability (+9.1‰ to +18.9‰, -1.1‰ to +27.3‰, and +14.1‰ to +37.3‰, respectively) over stratigraphic intervals of ˜50 to 450 m. This rapid variability, ranging from scattered to highly systematic, and overall low CAS abundances can be linked to sulfate concentrations in the mid-Proterozoic ocean that were substantially lower than those of the Phanerozoic but higher than values inferred for the Archean. Results from the Belt Supergroup specifically corroborate previous arguments for seawater contributions to the basin. Limited sulfate availability that tracks the oxygenation history of the early atmosphere is also consistent with the possibility of extensive deep-ocean sulfate reduction, the scarcity of bedded gypsum, and the stratigraphic δ 34S trends and 34S enrichments commonly observed for iron sulfides of mid-Proterozoic age.

  6. On Further Defining the Low Cloud Response over the Southeast Atlantic to its Large-Scale Environment

    NASA Astrophysics Data System (ADS)

    Zuidema, Paquita; Adebiyi, Adeyemi

    2016-04-01

    The southeast Atlantic is home to one of the largest stratocumulus decks on the planet. It is also unique in that it is overlain by shortwave-absorbing aerosols during the months when the cloud deck is most pronounced. The dominant cloud-aerosol interaction has been held to be a strengthening of the cloud deck in response to the stabilization of the lower troposphere by the absorbing aerosols. In this presentation we better define the large-scale meteorology supporting this dominant aerosol-cloud interaction. From radiosondes from St. Helena Island (15S, 5W) combined with satellite datasets, we find that stratocumulus cloud tops are lower when biomass-burning aerosols are present overhead, supporting stronger coupling to the surface. The aerosol layers are also more moist, enriching the possible low cloud responses. Simultaneously, the large-scale vertical velocity is reduced. While this may reflect the influence of the shortwave-absorbing aerosols in part, ERA-Interim reanalysis also reveals vertical ascent associated with the free-tropospheric zonal winds at 10S that are instrumental for the offshore aerosol transport. HYSPLIT forward trajectories from MODIS-detected fire sources further confirm the importance of a narrow latitudinal range centered on 10S for the offshore transport. These free-tropospheric zonal winds occur at the northern edge of a land-based anticyclonic circulation, and a stronger anticyclone with stronger zonal winds at 10S encourages more recirculation of the biomass burning aerosol back to land, further helping to distribute the aerosol. The reanalysis also shows enhanced warm temperature advection off of the continent at 800 hPa strengthens the cloud-top inversion, more so when the land-based anticyclone is stronger. Thus, strong atmosphere-land coupling works in concert with the fire emissions to exert pronounced constraints on the response of the offshore stratocumulus deck.

  7. Combining shipboard in situ data with satellite data to estimate daily primary production in a coastal upwelling system: A data mining approach

    NASA Astrophysics Data System (ADS)

    Williamson, Robert I.; Field, John G.; Shillington, Frank A.; Jarre, Astrid; Potgieter, Anet

    2015-11-01

    This study classifies coastal time-series data according to subsurface phytoplankton vertical distributions to be able to capture the variability of primary production at fine spatial and temporal scales. Our method uses algorithms developed to extract patterns in large datasets of time-sequential data. We use short time-series of QuikSCAT surface winds, MODIS sea surface temperature and surface chlorophyll a associated with each in situ chlorophyll a profile, as well as the season and bottom depth of the in situ station to discover patterns that can be used to classify new data into 12 profile classes. We first fill in missing MODIS data using a conditional random field model so that cloudy days are not excluded. The most likely profile is then predicted using all the available data. We apply our method to the St Helena Bay area, a region within the productive Benguela Current upwelling system. A profile is predicted for each day and each pixel of 4 km resolution satellite image for 16 consecutive months. Each profile is used in a broad-band photosynthesis model to produce a daily three-dimensional estimate of gross primary production. An average production rate of 3.2 g C m-2 day-1 was obtained for the area, which shows very good agreement with other estimates from the region. The results show persistent high productivity near the surface throughout the year with the exception of the winter months. Deeper in the water column productivity is more seasonal. The 16 month time-series highlights the interannual, seasonal and daily variability of the system. By linking physical processes to the distribution of phytoplankton at appropriate spatio-temporal scales, we can now more rigorously investigate bottom-up driven impacts on ecosystems characterised by short-term variability.

  8. Dual-wavelength recording, a simple algorithm to eliminate interferences due to UV-absorbing substances in capillary electrophoresis.

    PubMed

    Seaux, Liesbeth; Van Houcke, Sofie; Dumoulin, Els; Fiers, Tom; Lecocq, Elke; Delanghe, Joris R

    2014-08-01

    Analytical interferences have been described due to the presence of various exogenous UV-absorbing substances in serum. Iodine-based X-ray contrast agents and various antibiotics have been reported to interfere with interpretation of serum protein pherograms, resulting in false diagnosis of paraproteinemia. In the present study, we have explored the possibility of measuring UV absorbance at two distinct wavelengths (210 and 246 nm) to distinguish between true and false paraproteins on a Helena V8 clinical electrophoresis instrument. This study demonstrates that most substances potentially interfering with serum protein electrophoresis show UV-absorption spectra that are distinct from those of serum proteins. Scanning at 246 nm allows detection of all described interfering agents. Comparing pherograms recorded at both wavelengths (210 and 246 nm) enables to distinguish paraproteins from UV-absorbing substances. In case of a true paraprotein, the peak with an electrophoretic mobility in the gamma-region decreases, whereas the X-ray contrast media and antibiotics show an increased absorption when compared to the basic setting (210 nm). The finding of iodine-containing contrast media interfering with serum protein electrophoresis is not uncommon. In a clinical series, interference induced by contrast media was reported in 54 cases (of 13 237 analyses), corresponding with a prevalence of 0.4%. In the same series, 1631 true paraproteins (12.3%) were detected. Implementation of the proposed algorithm may significantly improve the interpretation of routine electrophoresis results. However, attention should still be paid to possible interference due to presence of atypical proteins fractions (e.g., tumor markers, C3).

  9. Serum protein electrophoresis under effective control of HIV-1 disease progression

    PubMed Central

    Adedeji, Adebayo Lawrence; Adenikinju, Rufus Omotayo; Ajele, Joshua Olufemi; Olawoye, Theophilus Ladapo

    2014-01-01

    In this report, we compared the serum protein electrophoresis (SPE) patterns in a subset of HIV-1-infected subjects who did not progress to AIDS without antiretroviral treatment with those in whose control of disease progression was achieved by highly active antiretroviral therapy (HAART). SPE and immunofixation electrophoresis were performed on Helena Electrophoresis System according to manufacturer’s instructions. The percentage of SPE abnormalities, resembling chronic inflammation, was significantly higher in HIV-1-infected subject without HAART compared with those under HAART (p = 0.001). The majority of individuals under HAART showed evidence of oligoclonal bands on the γ-band against a polyclonal background compared with those without HAART but ß-γ-band bridging was more evident. Immunofixation pattern was consistent with oligoclonal hypergammaglobulinaemia of IgG kappa type, which was found to be more intense in group without HAART. HIV clinical status did not show appreciable effect on the SPE pattern in subjects without HAART. However, under effective HAART, subjects with better CD4 T-cell count were associated with higher γ-globulin band. In group without HAART, acute infection was found to be associated the higher γ-globulin fraction compared with chronic infection. The opposite was the case under effective HAART. HIV infected subjects that did not progress to AIDS were associated with markedly abnormal SPE pattern. Overall results reflect the host ability compensate defective cellular immunity in HIV-1 infection with humoral immune responses. These findings underscore the usefulness of SPE monitoring HIV disease management and identifying individuals that may not progress to full-blown AIDS in the absence of treatment. PMID:26417299

  10. Ocean Basalt Simulator version 1 (OBS1): Trace element mass balance in adiabatic melting of a pyroxenite-bearing peridotite

    NASA Astrophysics Data System (ADS)

    Kimura, J. I.; Kawabata, H.

    2014-12-01

    We present a new numerical mass balance model for estimating the source conditions of a primary ocean basalt from adiabatic melting of a pyroxenite-bearing peridotite. The Ocean Basalt Simulator version 1 (OBS1) uses a thermodynamic model of adiabatic melting of a pyroxenite-bearing peridotite with experimentally parameterized liquidus-solidus and melting intervals and thermodynamically/experimentally parameterized source mineralogy of pyroxenite and peridotite. OBS1 uses a sequence of adiabatic melting with pyroxenite melting, melt metasomatism in the host peridotite, and melting of the metasomatized peridotite. OBS1 explores (1) the fractions of peridotite and pyroxenite, (2) mantle potential temperature Tp, (3) depth of termination of melting Pmt, (4) degree of melting F, and (5) residual mode Xa of the sources. The model also examines the mass balance of 26 incompatible trace elements in the sources and in the generated basalt. OBS1 can also calculate Sr-Nd-Hf-Pb isotope compositions in the sources and in the melt. OBS1 is coded in an Excel spreadsheet and runs with VBA macros. Using OBS1, we examine the source conditions of the mid oceanic ridge basalts (MORBs), plume-influenced ocean ridge basalts in Galápagos, Loihi-Loa-Koolau basalts in the Hawaiian hotspot, high-mu (HIMU) basalt from the St. Helena hotspot, and Shatsky Rise and Jurassic Mikabu oceanic plateau basalts and picrites. OBS1 is a unique model that provides an opportunity to examine the source mantle conditions using incompatible trace elements and relevant isotopes, which are key factors in global mantle recycling.

  11. Control of New Kinetic Barriers & Design of Nanorods

    SciTech Connect

    Hanchen Huang

    2012-05-29

    The accomplishments of this project include three elements. The first element directly relates to the focus of this project. Specifically, we have determined the three-dimensional Ehrlich-Schwoebel barriers, with and without surfactants, and two manuscripts in preparation; references refer to the list of journal publications. Further, we have discovered a characteristic length scale - the dimension of atomic islands bounded by multiple-layer surface steps. This discovery has made it possible to understand scientifically why nanorods synthesis is possible at all, will enable science-based design of nanorods, and may impact energy technology through nanomaterials design and synthesis. The second element relates to an exploration - synthesis of nanowires. This exploration is made possible through additional support of a Small Grant Exploratory Research from NSF. Through a combination of atomistic simulations, theories, and experiments, the PI and colleagues have made two contributions to the field. Specifically, they have revealed the physical reason why periodic twins develop during growth of SiC nanowires. Further, they have discovered that SiC nanowire films have an order-of-magnitude higher friction that their macroscopic counterpart, something that has never been reported before. The third elements relates to knowledge dissemination. The PI has co-edited (with Helena van Swygenhoven of PSI) an issue of MRS Bulletin, with the theme of Atomistic Simulations of Mechanics of Nanostructures, co-authored a review article in JOM, and authored a review paper in connection with a Banff workshop series co-sponsored by Canada, US, and Mexico.

  12. Modeling the primary and secondary productions of the southern Benguela upwelling system: A comparative study through two biogeochemical models

    NASA Astrophysics Data System (ADS)

    Koné, V.; Machu, E.; Penven, P.; Andersen, V.; GarçOn, V.; FréOn, P.; Demarcq, H.

    2005-12-01

    in the N2P2Z2D2 model is quite distinct, which allows, from the Agulhas Bank to St. Helena Bay, a food continuum for fish larvae. This was not achieved with the simpler NPZD model, emphasizing the importance of representing the appropriate level of complexity to characterize food availability for higher trophic levels.

  13. Lucinid bivalves of Guadeloupe: diversity and systematics in the context of the tropical Western Atlantic (Mollusca: Bivalvia: Lucinidae).

    PubMed

    Taylor, Ohn D; Glover, Emily A

    2016-11-23

    widespread throught the whole region but others have more restricted ranges. Notable are species pairs, for example of Ctena, Lucina, Lucinisca and Parvilucina that are either largely Caribbean or Gulf of Mexico/Floridian in distribution. Although extralimital, two problematic species from the mid-south Atlantic island of St Helena are refigured and placed in Cavilinga.

  14. Kootenai River Focus Watershed Coordination, 2004-2005 Annual Report.

    SciTech Connect

    Kootenai River Network,

    2005-07-01

    . (4) Use GIS mapping to prioritize US and BC projects and prioritize education and outreach efforts. The KRN established Kootenay River Network-BC as a registered Society and are pursuing charitable status for this sister organization. Having an organization in both the US and Canada will allow the KRN to apply for and to manage funds as well as to coordinate education and outreach workshops, seminars and tours with greater ease. The recent accomplishments by the Joseph Creek Community Action Team in Cranbrook demonstrate the significant trans-boundary abilities of the KRN. On May 26, 2005, KRN received a prestigious Watershed Stewardship award from the Montana Watershed Coordination Council, which represents over 80 watershed groups in the State of Montana. The award was presented by Governor Brian Schweitzer in the rotunda of the State Capital building in Helena Montana.

  15. Geochemical stages at Jasper Seamount and the origin of intraplate volcanoes

    NASA Astrophysics Data System (ADS)

    Konter, J. G.; Staudigel, H.; Blichert-Toft, J.; Hanan, B. B.; Polvé, M.; Davies, G. R.; Shimizu, N.; Schiffman, P.

    2009-02-01

    Ocean intraplate volcanoes (OIVs) are formed in a sequence of stages, from large to small, that involve a systematic progression in mantle melting in terms of volumes and melt fractions with concomitant distinct mantle source signatures. The Hawaiian volcanoes are the best-known example of this type of evolution, even though they are extraordinarily large. We explore the Pb-Sr-Nd-Hf isotopic evolution of much smaller OIVs in the Fieberling-Guadalupe Seamount Trail (FGST) and small, near-ridge generated seamounts in the same region. In particular, we investigate whether we can extend the Hawaiian models to Jasper Seamount in the FGST, which displays three distinct volcanic stages. Each stage has characteristic variations in Pb-Sr-Nd-Hf isotopic composition and trace element enrichment that are remarkably similar to the systematics observed in Hawaii: (1) The most voluminous, basal "shield building" stage, the Flank Transitional Series (FTS), displays slightly isotopically enriched compositions compared to the common component C and the least enriched trace elements (143Nd/144Nd: 0.512866-0.512909, 206Pb/204Pb: 18.904-19.054; La/Sm: 3.71-4.82). (2) The younger and substantially less voluminous Flank Alkalic Series (FAS) is comparatively depleted in Sr, Nd, and Hf isotope compositions plotting on the side of C, near the least extreme values for the Austral Islands and St. Helena. Trace elements are highly enriched (143Nd/144Nd: 0.512912-0.512948, 206Pb/204Pb: 19.959-20.185; La/Sm: 9.24). (3) The Summit Alkalic Series (SAS) displays the most depleted Sr, Nd, and Hf isotope ratios and is very close in isotopic composition to the nearby near-ridge seamounts but with highly enriched trace elements (143Nd/144Nd: 0.512999-0.513050, 206Pb/204Pb: 19.080-19.237; La/Sm: 5.73-8.61). These data fit well with proposed multicomponent melting models for Hawaii, where source lithology controls melt productivity. We examine the effect of melting a source with dry peridotite, wet

  16. The tectonic evolution of Cenozoic extensional basins, northeast Brazil: Geochronological constraints from continental basalt 40Ar/39Ar ages

    NASA Astrophysics Data System (ADS)

    de Souza, Zorano Sérgio; Vasconcelos, Paulo Marcos; Knesel, Kurt Michael; da Silveira Dias, Luiz Gustavo; Roesner, Eduardo Henrique; Cordeiro de Farias, Paulo Roberto; de Morais Neto, João Marinho

    2013-12-01

    The Boa Vista and Cubati Basins, Paraíba, Brazil, are NW-SE extension-related intracratonic basins that resulted from tectonic stresses after the opening of the South Atlantic. These basins contain lacustrine fossiliferous sediments, bentonite beds, and basalt flows that preserve Cenozoic continental records. 40Ar/39Ar ages for six whole-rocks from two distinct basaltic flows underlying the sediments in the Boa Vista basin are 27.3 ± 0.8 and 25.4 ± 1.3 Ma, while three grains from a basaltic flow overlying the sediments yield 22.0 ± 0.2 Ma. The sediments at the nearby Cubati Basin are overlain by a basalt flow with ages of ˜25.4 Ma. Three whole-rocks from an NE-SW-trending trachytic dyke cross cutting the sediments at the Boa Vista Basin yield 40Ar/39Ar ages of ˜12.45 ± 0.06, 12.59 ± 0.07, and 12.58 ± 0.07 Ma. Three whole-rocks from a nearby volcanic plug (Chupador) yield an age of 23.4 ± 0.1 Ma. The geochronological results combined with stratigraphic correlations between the two basins allow bracketing the age of the main sedimentary and bentonic units within the Boa Vista and Cubati Basins between 25.5 ± 1.3 and 24.9 ± 0.1 Ma. The ages, combined with field observations reveal that the formation of the Boa Vista and Cubati basins is associated with mantle-derived magmas channelled through reactivated Precambrian shear zones. Our geochronological results suggest that a temporal link with the Fernando de Noronha and Saint Helena hot spots can be excluded as possible sources of the Boa Vista and Cubati magmas. Rather, the extensional tectonics in the 30-20 Ma interval, long after Gondwana break-up, may be associated with the re-activation of continental-scale shear zones that channelled small batches of mantle-derived magmas.

  17. Finite frequency tomography shows a variety of plumes

    NASA Astrophysics Data System (ADS)

    Nolet, G.; Montelli, R.; Masters, G.; Dahlen, F. A.; Hung, S.

    2003-04-01

    The new technique of finite-frequency tomography (see abstract by Montelli et al., this meeting) is very powerful in imaging objects of small dimension in the lower mantle. The first global images of P velocity anomalies obtained by using this technique to invert a small but very accurate data set of long period P arrivals bottoming in the lower mantle show 18 low velocity anomalies in excess of -0.5%, all but two of which are associated with a known hotspot at the surface, and they serve as an unprecented glimpse into the deep mechanisms that give rise to hotspots. The following synopsis is given under the caveat that we have not yet incorporated high frequency waves into the interpretation, nor completed a full resolution analysis at the time of writing of this abstract (both will be presented at the meeting). We observe six or seven hotspots fed by a plume extending to the core-mantle boundary: Cap Verde, Easter Island, Hawaii, Kerguelen, St Helena, Tahiti, and perhaps also Azores. Several hotspots, among which are Bouvet, Bowie, and Mount Erebus, seem to originate at mid-mantle depth, while others (Afar, Ascension, Galapagos, Iceland, la Reunion and others) seem to be mostly confined to the upper mantle. Many renowned hotspots (such as Eifel, Samoa and Yellowstone) have only very weak low velocity anomalies at depth and may be the result of superficial processes confined to the top of the upper mantle. We confirm the existence of the two superplumes which both have Δ V_P < -0.5% extending as high as 2000 km depth. It is clear that no one plume/hotspot model can explain the variety in deep expressions of hotspots in the mantle. If midmantle plume origins represent originally deep plumes in their end stage, while the two unidentified anomalies are either beginning new plumes (Greenland) or plumes cut off in their initial ascent (W. Pacific), the large number of plumes caught in this phase would point to lengthy rise times of the order of tens of millions of

  18. Absolute plate motion of Africa around Hawaii-Emperor bend time

    NASA Astrophysics Data System (ADS)

    Maher, S. M.; Wessel, P.; Müller, R. D.; Williams, S. E.; Harada, Y.

    2015-06-01

    Numerous regional plate reorganizations and the coeval ages of the Hawaiian Emperor bend (HEB) and Louisville bend of 50-47 Ma have been interpreted as a possible global tectonic plate reorganization at ˜chron 21 (47.9 Ma). Yet for a truly global event we would expect a contemporaneous change in Africa absolute plate motion (APM) reflected by physical evidence distributed on the Africa Plate. This evidence has been postulated to take the form of the Réunion-Mascarene bend which exhibits many HEB-like features, such as a large angular change close to ˜chron 21. However, the Réunion hotspot trail has recently been interpreted as a sequence of continental fragments with incidental hotspot volcanism. Here we show that the alternative Réunion-Mascarene Plateau trail can also satisfy the age progressions and geometry of other hotspot trails on the Africa Plate. The implied motion, suggesting a pivoting of Africa from 67 to 50 Ma, could explain the apparent bifurcation of the Tristan hotspot chain, the age reversals seen along the Walvis Ridge, the sharp curve of the Canary trail, and the diffuse nature of the St. Helena chain. To test this hypothesis further we made a new Africa APM model that extends back to ˜80 Ma using a modified version of the Hybrid Polygonal Finite Rotation Method. This method uses seamount chains and their associated hotspots as geometric constraints for the model, and seamount age dates to determine APM through time. While this model successfully explains many of the volcanic features, it implies an unrealistically fast global lithospheric net rotation, as well as improbable APM trajectories for many other plates, including the Americas, Eurasia and Australia. We contrast this speculative model with a more conventional model in which the Mascarene Plateau is excluded in favour of the Chagos-Laccadive Ridge rotated into the Africa reference frame. This second model implies more realistic net lithospheric rotation and far-field APMs, but

  19. A New Absolute Plate Motion Model for Africa

    NASA Astrophysics Data System (ADS)

    Maher, S. M.; Wessel, P.; Müller, D.; Harada, Y.

    2013-12-01

    The India-Eurasia collision, a change in relative plate motion between Australia and Antarctica, and the coeval ages of the Hawaiian Emperor Bend (HEB) and Louisville Bend of ~Chron 22-21 all provide convincing evidence of a global tectonic plate reorganization at ~50 Ma. Yet if it were a truly global event, then there should be a contemporaneous change in Africa absolute plate motion (APM) reflected by physical evidence somewhere on the Africa plate. This evidence might be visible in the Reunion-Mascarene bend, which exhibits many HEB-like features such as a large angular change close to ~50 Ma. Recently, the Reunion hotpot trail has been interpreted as a continental feature with incidental hotspot volcanism. Here we propose the alternative hypothesis that the northern portion of the chain between Saya de Malha and the Seychelles (Mascarene Plateau) formed as the Reunion hotspot was situated on the Carlsberg Ridge, contemporaneously forming the Chagos-Laccadive Ridge on the India plate. We have created a 4-stage model that explores how a simple APM model fitting the Mascarene Plateau can also satisfy the age progressions and geometry of other hotspot trails on the Africa plate. This type of model could explain the apparent bifurcation of the Tristan hotspot chain, the age reversals seen along the Walvis Ridge and the diffuse nature of the St. Helena chain. To test this hypothesis we have made a new African APM model that goes back to ~80 Ma using a modified version of the Hybrid Polygonal Finite Rotation Method. This method uses seamount chains and their associated hotspots as geometric constraints for the model, and seamount age dates to determine its motion through time. The positions of the hotspots can be moved to get the best fit for the model and to explore the possibility that the ~50 Ma bend in the Reunion-Mascarene chain reflects Africa plate motion. We will examine how well this model can predict the key features reflecting Africa plate motion and

  20. Mantle Sulfur Cycle: A Case for Non-Steady State ?

    NASA Astrophysics Data System (ADS)

    Cartigny, Pierre; Labidi, Jabrane

    2016-04-01

    Data published over the last 5 years show that the early inference that mantle is isotopically homogeneous is no more valid. Instead, new generation data on lavas range over a significant 34S/32S variability of up to 5‰ with δ 34S values often correlated to Sr- and Nd-isotope compositions. This new set of data also reveals the Earth's mantle to have a sub-chondritic 34S/32S ratio, by about ˜ 1‰. We will present at the conference our published and unpublished data on samples characterizing the different mantle components (i.e. EM1, EM2, HIMU and LOMU). All illustrate 34S-enrichments compared to MORB with Δ 33S and Δ 36S values indistinguishable from CDT or chondrites at the 0.03‰ level. These data are consistent with the recycling of subducted components carrying sulfur with Δ 33S and Δ 36S-values close to zero. Archean rocks commonly display Δ 33S and Δ 36S values deviating from zero by 1 to 10 ‰. The lack of variations for Δ 33S and Δ 36S values in present day lava argue against the sampling of any subducted protolith of Archean age in their mantle source. Instead, our data are consistent with the occurrence of Proterozoic subducted sulfur in the source of the EM1, EM2, LOMU and HIMU endmember at the St-Helena island. This is in agreement with the age of those components early derived through the use of the Pb isotope systematic. Currently, the negative δ 34S-values of the depleted mantle seem to be associated with mostly positive values of enriched components. This would be inconsistent with the concept a steady state of sulfur. Assuming that the overall observations of recycled sulfur are not biased, the origin of such a non-steady state remains unclear. It could be related to the relatively compatible behavior of sulfur during partial melting, as the residue of present-day melting can be shown to always contain significant amounts of sulfide (50{%} of what is observed in a fertile source). This typical behavior likely prevents an efficient

  1. Patterns of diversity of the Rissoidae (Mollusca: Gastropoda) in the Atlantic and the Mediterranean region.

    PubMed

    Ávila, Sérgio P; Goud, Jeroen; de Frias Martins, António M

    2012-01-01

    The geographical distribution of the Rissoidae in the Atlantic Ocean and Mediterranean Sea was compiled and is up-to-date until July 2011. All species were classified according to their mode of larval development (planktotrophic and nonplanktotrophic), and bathymetrical zonation (shallow species--those living between the intertidal and 50 m depth, and deep species--those usually living below 50 m depth). 542 species of Rissoidae are presently reported to the Atlantic Ocean and the Mediterranean Sea, belonging to 33 genera. The Mediterranean Sea is the most diverse site, followed by Canary Islands, Caribbean, Portugal, and Cape Verde. The Mediterranean and Cape Verde Islands are the sites with higher numbers of endemic species, with predominance of Alvania spp. in the first site, and of Alvania and Schwartziella at Cape Verde. In spite of the large number of rissoids at Madeira archipelago, a large number of species are shared with Canaries, Selvagens, and the Azores, thus only about 8% are endemic to the Madeira archipelago. Most of the 542-rissoid species that live in the Atlantic and in the Mediterranean are shallow species (323), 110 are considered as deep species, and 23 species are reported in both shallow and deep waters. There is a predominance of nonplanktotrophs in islands, seamounts, and at high and medium latitudes. This pattern is particularly evident in the genera Crisilla, Manzonia, Onoba, Porosalvania, Schwartziella, and Setia. Planktotrophic species are more abundant in the eastern Atlantic and in the Mediterranean Sea. The results of the analysis of the probable directions of faunal flows support the patterns found by both the Parsimony Analysis of Endemicity and the geographical distribution. Four main source areas for rissoids emerge: Mediterranean, Caribbean, Canaries/Madeira archipelagos, and the Cape Verde archipelago. We must stress the high percentage of endemics that occurs in the isolated islands of Saint Helena, Tristan da Cunha, Cape

  2. Multielement chemical and statistical analyses from a uranium hydrogeochemical and stream-sediment survey in and near the Elkhorn Mountains, Jefferson County, Montana; Part I, Surface water

    USGS Publications Warehouse

    Suits, V.J.; Wenrich, K.J.

    1982-01-01

    Fifty-two surface-water samples, collected from an area south of Helena, Jefferson County, were analyzed for 51 chemical species. Of these variables, 35 showed detectable variation over the area, and 29 were utilized in a correlation analysis. Two populations are distinguished in the collected samples and are especially evident in the plot of Ca versus U. Samples separated on the basis of U versus Ca proved to represent drainage areas of two differing lithologies. One group was from waters that drain the Boulder batholith, the other from those that drain the Elkhorn Mountains volcanic rocks. These two groups of samples, in general, proved to have parallel but different linear trends between U and other elements. Therefore, the two groups of samples were treated separately in the statistical analyses. Over the area that drains the Boulder batholith, U concentrations in water ranged from 0.37 to 13.0 ?g/l , with a mean of 1.9 ?g/l. The samples from streams draining volcanic areas ranged from 0.04 to 1.5 ?g/l, with a mean of 0.42 ?g/l. The highest U values (12 and 13 ?g/l) occur along Badger Creek, Rawhide Creek, Little Buffalo Gulch, and an unnamed tributary to Clancy Creek. Conductivity, hardness, Ba, Ca, CI, K, Mg, Na and Sr are significantly correlated with U at or better than the 95 percent confidence limit in both populations. For water draining the Boulder batholith, uranium correlates significantly with akalinity, pH, bicarbonate, Li, Mo, NO2+NO3, P04, SiO2, SO4, F, and inorganic carbon. These correlations are similar to those found in a previous study of water samples in north-central New Mexico (Wenrich-Verbeek, 1977b). Uranium in water from the volcanic terrane does not show correlations with any of the above constituents, but does correlate well with V. This relationship with V is absent within the Boulder batholith samples.

  3. The automation of routine light transmission platelet aggregation

    PubMed Central

    Lawrie, A S; Kobayashi, K; Lane, P J; Mackie, I J; Machin, S J

    2014-01-01

    Introduction The investigation of platelet function by aggregometry requires specialist equipment and is labour intensive. We have developed an automated platelet aggregation method on a routine coagulation analyser. Methods We used a CS-2000i (Sysmex) with prototype software to perform aggregation in platelet-rich plasma (PRP), using the following agonists: ADP (0.5–10 μm), epinephrine (0.5–10 μm), collagen (0.5–10 mg/μL), ristocetin (0.75–1.25 mg/mL) and arachidonic acid (0.12–1.0 mm). Platelet agonists were from Hyphen Biomed, and an AggRAM aggregometer (Helena Biosciences) was used as the reference instrument. Results CS-2000i reaction cuvette stirrer speed was found to influence reaction sensitivity and was optimized to 800 rpm. There were no clinically significant changes in aggregation response when the PRP platelet count was 150–480 x 109/L, but below this there were changes in the maximum amplitude (MA) and slope (rate). Dose response with each of the agonists was comparable between CS-2000i and an AggRAM aggregometer and normal subjects receiving antiplatelet drugs. Aggregation imprecision was similar on both the CS-2000i and AggRAM systems, with a cv for 2–5 μm ADP MA and slope varying between 3–12%. Conclusion Our preliminary studies indicated that optimal sensitivity using the CS-2000i was obtained with a reaction cuvette stirrer speed of 800 rpm and a PRP platelet count of 200–300 x 109/L; aggregation with a PRP count <100 x 109/L showed poor sensitivity. Imprecision and detection of antiplatelet drug effects was similar between the CS-2000i and AggRAM. These data demonstrate that CS-2000i is comparable to a stand-alone aggregometer, although CS-2000i has the advantages of walk-away technology and also required a smaller sample volume than the AggRAM (44% less). PMID:24237750

  4. Montana Valley and Foothill Prairies Ecoregion: Chapter 6 in Status and trends of land change in the Western United States--1973 to 2000

    USGS Publications Warehouse

    Taylor, Janis L.

    2012-01-01

    The Montana Valley and Foothill Prairies Ecoregion comprises numerous intermountain valleys and low-elevation foothill prairies spread across the western half of Montana, on both sides of the Continental Divide (Omernik, 1987; U.S. Environmental Protection Agency, 1997). The ecoregion, which covers approximately 64,658 km2 (24,965 mi2), includes the Flathead Valley and the valleys surrounding Helena, Missoula, Bozeman, Billings, Anaconda, Dillon, and Lewistown (fig. 1). These valleys are generally characterized by shortgrass prairie vegetation and are flanked by forested mountains (Woods and others, 1999); thus, the valleys’ biotas with regards to fish and insects are comparable. In many cases, the valleys are conduits for some of the largest rivers in the state, including Clark Fork and the Missouri, Jefferson, Madison, Flathead, Yellowstone, Gallatin, Smith, Big Hole, Bitterroot, and Blackfoot Rivers (fig. 2). The Montana Valley and Foothill Prairies Ecoregion also includes the “Rocky Mountain front,” an area of prairies along the eastern slope of the northern Rocky Mountains. Principal land uses within the ecoregion include farming, grazing, and mining. The valleys serve as major transportation and utility corridors and also contain the majority of Montana’s human population. The Montana Valley and Foothill Prairies Ecoregion extends into 17 mostly rural counties throughout western Montana. Only three of the counties—Carbon, Yellowstone, and Missoula—are part of a metropolitan statistical area with contiguous built-up areas tied to an employment center. Nearly two-thirds of Montana residents live in nonmetropolitan counties (Albrecht, 2008). Ten of the counties within the ecoregion had population growth rates greater than national averages (9–13 percent) between 1970 and 2000 (table 1). Ravalli and Gallatin Counties had the highest growth rates. Population growth was largely due to amenity-related inmigration and an economy dependent on tourism

  5. Patterns of Diversity of the Rissoidae (Mollusca: Gastropoda) in the Atlantic and the Mediterranean Region

    PubMed Central

    Ávila, Sérgio P.; Goud, Jeroen; de Frias Martins, António M.

    2012-01-01

    The geographical distribution of the Rissoidae in the Atlantic Ocean and Mediterranean Sea was compiled and is up-to-date until July 2011. All species were classified according to their mode of larval development (planktotrophic and nonplanktotrophic), and bathymetrical zonation (shallow species—those living between the intertidal and 50 m depth, and deep species—those usually living below 50 m depth). 542 species of Rissoidae are presently reported to the Atlantic Ocean and the Mediterranean Sea, belonging to 33 genera. The Mediterranean Sea is the most diverse site, followed by Canary Islands, Caribbean, Portugal, and Cape Verde. The Mediterranean and Cape Verde Islands are the sites with higher numbers of endemic species, with predominance of Alvania spp. in the first site, and of Alvania and Schwartziella at Cape Verde. In spite of the large number of rissoids at Madeira archipelago, a large number of species are shared with Canaries, Selvagens, and the Azores, thus only about 8% are endemic to the Madeira archipelago. Most of the 542-rissoid species that live in the Atlantic and in the Mediterranean are shallow species (323), 110 are considered as deep species, and 23 species are reported in both shallow and deep waters. There is a predominance of nonplanktotrophs in islands, seamounts, and at high and medium latitudes. This pattern is particularly evident in the genera Crisilla, Manzonia, Onoba, Porosalvania, Schwartziella, and Setia. Planktotrophic species are more abundant in the eastern Atlantic and in the Mediterranean Sea. The results of the analysis of the probable directions of faunal flows support the patterns found by both the Parsimony Analysis of Endemicity and the geographical distribution. Four main source areas for rissoids emerge: Mediterranean, Caribbean, Canaries/Madeira archipelagos, and the Cape Verde archipelago. We must stress the high percentage of endemics that occurs in the isolated islands of Saint Helena, Tristan da Cunha

  6. The Western Edge of Cratonic North America and Topography of the Northern U.S. Rocky Mountains

    NASA Astrophysics Data System (ADS)

    Foster, D. A.; Russo, R. M.; van der Lee, S.; Mueller, P. A.

    2009-12-01

    We used seismic structure of the upper mantle determined via waveform inversions of surface and regional shear waves (Beadle and van der Lee, 2007) to examine the 3-D geometry of the base of North American lithosphere at the junction between thick, stable cratonic eastern North America and the thinner, recently tectonized western part of the continent. This boundary has been affected by long-term subduction beneath North America. Variability in convergence rates and directions, and especially in slab dip, have been postulated as important controls on the configuration of the transition from thick to thin lithosphere, and on the distribution and degree of crustal deformation and volcanism in the western U.S. We show that the lithospheric thickness transition at depths of 70-130 km - defined as contours of zero shear velocity anomaly - correlates strongly with the high topography of Laramide uplifts in the northern Rockies, which lie west of this seismically defined craton edge. The transition from thick to thin lithosphere also includes an embayment symmetrically centered on the Yellowstone hotspot, offset cratonward from the surface position of the hotspot by ca. 140-180 km at depths of 130-150 km. We interpret this structure as a reduction of cratonic seismic velocities reflecting the thermal halo around the hotspot, and perhaps associated with the separation of the lower lithosphere. The steep velocity gradient (boundary) east of the hotspot occurs along the Big Horn Mountains, and distributed mountain ranges of southwestern Montana. The steep transition between thin and thick lithosphere turns sharply west along the northern margin of the Helena thrust salient-Lewis and Clark fault zone, where it may reflect the edge of the Archean Medicine Hat Block and/or the northern termination of the influence shallow Farallon slab subduction the during Laramide time. Laramide-style basement uplifts are absent north of this zone and the eastern front ranges of the Rockies

  7. The relationship between beverage intake and weight status in children: the Cuenca study.

    PubMed

    Milla Tobarra, Marta; Martínez-Vizcaíno, Vicente; Lahoz García, Noelia; García-Prieto, Jorge Cañete; Arias-Palencia, Natalia María; Garcia-Hermoso, Antonio

    2014-10-01

    Introducción: El consumo de bebidas está cobrando mayor importancia en las investigaciones actuales en relación a una posible asociación con la epidemia de obesidad infantil. La influencia de la actividad física en este consumo de fluidos ha sido escasamente estudiada y la resistencia cardiorespiratoria (RCR) puede resultar un marcador fiable para su valoración. Nuestro estudio analiza la ingesta de fluidos y su relación con el estatus ponderal ajustado por RCR en niños de 9-11 años. Métodos: Estudio transversal en el que participaron 373 niños de 9-11 años de colegios de la provincia de Cuenca (España). Para obtener la ingesta de bebidas, se realizó la media de dos recordatorios de 24 horas obtenidos mediante el programa YANA-C, validado para el estudio HELENA. La condición física cardiorrespiratoria fue evaluada a través del test de 20 metros ida y vuelta. Resultados: La ingesta media de líquidos fue de 1483,39 ml/día, y la energía proveniente de fluidos supone un 16% del aporte energético diario. Las bebidas suponen el 40% del aporte de azúcares ingeridos en la dieta. Las bebidas más consumidas en niños son los zumos naturales y las bebidas lácteas. Las niñas delgadas consumen más leches enteras y bebidas refrescantes “light” que sus homólogas con peso normal y sobrepeso-obesidad. Conclusiones: Los niños con exceso de peso consumen menos zumos naturales y bebidas lácteas, y las niñas consumen menos leches enteras y bebidas refrescantes “light” que sus compañeras en normopeso. Es de gran importancia revisar los hábitos de hidratación de los escolares para establecer conclusiones fiables sobre cuál es la mejor forma de hidratarse en diferentes situaciones para evitar ganancias ponderales.

  8. Walking to Olympus: An EVA Chronology

    NASA Technical Reports Server (NTRS)

    Portree, David S. F.; Trevino, Robert C.

    1997-01-01

    display the large num- ber of flights in which EVA played a role. This approach also makes apparent significant EVA gaps, for example, the U.S. gap between 1985 and 1991 following the Challenger accident. This NASA History Monograph is an edited extract from an extensive EVA Chronology and Reference Book being produced by the EVA Project Office, NASA Johnson Space Center, Houston, Texas. The larger work will be published as part of the NASA Formal Series in 1998. The authors gratefully acknowledge the assistance rendered by Max Ary, Ashot Bakunts, Gert-Jan Bartelds, Frank Cepollina, Andrew Chaikin, Phillip Clark, Richard Fullerton, Steven Glenn, Linda Godwin, Jennifer Green, Greg Harris, Clifford Hess, Jeffrey Hoffman, David Homan, Steven Hopkins, Nicholas Johnson, Eric Jones, Neville Kidger, Joseph Kosmo, Alexei Lebedev, Mark Lee, James LeBlanc, Dmitri Leshchenskii, Jerry Linenger, Igor Lissov, James McBarron, Clay McCullough, Joseph McMann, Story Musgrave, Dennis Newkirk, James Oberg, Joel Powell, Lee Saegesser, Andy Salmon, Glen Swanson, Joseph Tatarewicz, Kathy Thornton, Chris Vandenberg, Charles Vick, Bert Vis, David Woods, Mike Wright, John Young, and Keith Zimmerman. Special thanks to Laurie Buchanan, John Charles, Janet Kovacevich, Joseph Loftus, Sue McDonald, Martha Munies, Colleen Rapp, and Jerry Ross. Any errors remain the responsibility of the authors.

  9. Remote Sensing Assessment of Soil Moisture, Soil Mineralogy and other Environmental Factors Influencing Mosquito-borne Infection Risks in the Lower Rio Grande Valley, U.S. - Mexico Border (Invited)

    NASA Astrophysics Data System (ADS)

    Hubbard, B. E.; Folger, H. W.; Page, W. R.

    2010-12-01

    A dengue fever outbreak occurred near Matamoros, Mexico along the Lower Rio Grande Valley during the summer of 2005 following heavy rainfall from Tropical Storm Gert and Hurricane Emily. This outbreak exemplifies the need for monitoring soil moisture and mapping soil permeability factors affecting the breeding and distribution of mosquito species capable of spreading disease. For example, the Rio Grande delta of South Texas and North Tamaulipas Mexico is inhabited by over 50 native and invasive species of mosquitoes capable of hosting Malaria, West Nile Virus and other types of human and livestock infecting Encephalitis. They range in ecological habitats from coastal salt marshes to freshwater riparian wetlands, tree holes and/or urban containers, flooded agricultural fields, and the many irrigation canals and ditches present throughout our study area. For this study, water-saturated and flooded soils were mapped using a “soil moisture availability” index (Mo) based on normalized difference vegetation index (NDVI) images and surface radiant and/or kinetic temperature images derived from multi-temporal Landsat-7 ETM+ and ASTER imagery. In particular, the Landsat-7 imagery covers ten cloud-free or minimal cloud cover acquisition dates during drought and wet periods of 2002, prior to the scan-line corrector failure in 2003. This includes one date (August 18, 2002) of co-orbital swath coverage between Landsat and ASTER, acquired after the land fall and dissipation of Tropical Storm Bertha (August 09, 2002). ASTER image dates used include those before and after the land fall of Hurricane Emily on July 20, 2005. The resulting maps show the distribution of relatively permeable (i.e. sandier) and impermeable soil types, the latter of which are dominated by clay-rich soils deposited in remnant interdistributary channels as channel-fill, and overbank flood deposits along the modern Rio Grande delta and portions of the (remapped) Pleistocene Beaumont coastal deltaic plain

  10. The Messinian Salinity Crisis: what can we expect from drilling the perched basins from the Balearic Promontory?

    NASA Astrophysics Data System (ADS)

    Johanna, Lofi; Angelo, Camerlenghi; Agnès, Maillard; Diana, Ochoa

    2015-04-01

    place in the Mediterranean area potentially bearing some records of the MSC event that have been accumulated and preserved at various water depths in which post/Messinian tectonic deformation is low. A complete shallow-to-deep transect of sites across these stepped basins, provides a unique opportunity to quantify the amplitude of the Messinian draw-down and to test the hypotheses of a stratified water column and of a diachronous/synchronous onset and end of the salinity crisis. In order to address these persistent open questions, we propose to drill, core and log a shallow-to-deep transect on the Balearic Promontory as part of a daughter proposal (DREAM proposal) of a Multi-phase IODP Drilling Project entitled "Uncovering A Salt Giant" (857-MDP, coord. A. Camerlenghi). The DREAM Team: A. Giovanni, H. Christian, G. deLangeGert, R. Flecker, D. Garcia-Castellanos, Z. Gvirtzman, W. Krijgsman, S. Lugli, MakowskyItzik, M. Vinicio, T. McGenity, G. Panieri, M. Rabineau, M. Roveri, F.J. Sierro, N. Waldman.

  11. Geomorphological development of Eastern Mongolian plain, Mongolia

    NASA Astrophysics Data System (ADS)

    khukhuudei, Ulambadrakh; otgonbayar, Orolzodmaa

    2016-04-01

    Several summaries and investigations of the geomorphological description and feature for Eastern Mongolian plain (EMP), the one of the largest geomorphological district, fully covering east side of Mongolia (Murzayev, 1949; Vlodavets, 1950, 1955; Marinov, Khasin, 1954; Marinov, 1966; Nikolayeva, 1971; Selivanov, 1972; Chichagov, 1974, 1976; Grigorov, 1975; Korjuyev, 1982; Syirnev, 1982, 1984) had been publishing continuously. But literature for geomorphology of EMP have been not appeared during over the past 20 years. However, we re-combine the geomorphological development of EMP, according to the results of many publications for surrounding regions of Russia and China and unpublished maps. Main morphology of EMP has the plain, containing with aeolian, fluvial and lacustrine landforms. Plain morphology defined that denudation plains to North Kherlen, South Kherlen, Baruun Urt, Uulbayan, Delgerekh and other which developed on the Paleozoic rocks, layered plain to Choibalsan, Tamsag, Ongon, Gert, Sumiin nuur and Torey- on the Late Cretaceous and Neogene sediments and accumulation plain with alluvial and lacustrine origin such as Menen, Buir nuur, Tamsagbulag, Khalzan and other. These plains of EMP related with tectonics and structure of region and inherited the development of the Mesozoic, particularly Late Mesozoic structure. Large basins of EMP are Tamsag, Choibalsan and Torey and other small basins - from 7-10 km to 25-30 km width and rather a several 10 km extend, cutting a basement. The origin of plain morphology for EMP is interpreted as two main stages of the geomorphological development model, based on geology. In first stage or Late Jurassic (?) - Lower Cretaceous period, there was developed rift basin, then, in second stage or since Late Cretaceous period, plain morphology originated from the intermountain basin that dominated by exogenic process and kept in current EMP area. Data relevant to the development history of EMP are following. 1. Rift volcanism

  12. PREFACE: John Desmond Bernal: Science and Society

    NASA Astrophysics Data System (ADS)

    Casey, Vincent

    2007-02-01

    This meeting, held in the Limerick Institute of Technology, on Thursday 1 June 2006, was organised by the Munster Group of the Institute of Physics in Ireland to commemorate the life and work of John Desmond Bernal. Bernal, was born in Nenagh in 1901. Alan Mackay, who worked with Bernal at Birkbeck College coins the word 'Polytropic' to describe Bernal. He was active and hugely influential in a wide range of areas such as science, politics and society, and was instrumental in the creation of whole new areas of intellectual endeavour such as the 'science of science', molecular biology, and operations research. Andrew Brown's analogy for Bernal's mind is that 'it was like a diamond—beautifully structured, multifaceted and dazzling to behold'. In relation to Bernal, Helena Sheehan states that: 'His legacy is complex. All the more so because he was marxist in philosophy, communist in politics, polyamorous in sexuality.'. Like religion, these are areas that conventional scientists tend to shy away from or at the very least consign to very separate and often neglected 'compartments'. According to Sheehan, 'Bernal came to marxism seriously and intelligently. He found in its philosophical framework a structure in which he could live, think, create, pursue science, act politically and develop further. It opened him radically to the world, rather than closing him down or constricting him, as critics imply.'. And his contributions to science and to society are significant and enduring. Just two areas of 'his science' were addressed in some detail at this meeting. Martin Caffrey treats the area of structural biology in the context of modern developments but focusing on Bernal's role in its evolution. John Finney gives an account of Bernal's 'two bouts of activity' on the structure of water and as Bernal's last PhD student he gives unique insights on how Bernal worked and why he 'did science'. Bernal writes in response to a well wisher on his 70th birthday: 'I am sure that

  13. Aeromagnetic map of parts of Marquette, Dickinson, Baraga, Alger, and Schoolcraft Counties, Michigan, and its geologic interpretation

    USGS Publications Warehouse

    Case, J.E.; Gair, J.E.

    1965-01-01

    datum.Magnetic properties of rocks were measured by W. E. Huff.At the time the earlier aeromagnetic survey was flown, the only base maps available were planimetric maps such as the Helena NW quadrangle and county road maps. Small errors, therefore, may exist in the location of flight lines and specific aeromagnetic a nomalies.The major magnetic anomalies and broad areas that have characteristic magnetic patterns are correlated herein with geology as determined from published reports and from mapping done since 1957 by the U. S. Geological Survey in the eastern part of the Marquette iron range. The geology north of the Marquette iron range and west of the line between R. 25 W. and R. 26 W. is based mainly on a compilation made by Robert Reed of the Geological Survey Division of the Michigan Department of Conservation from data in the files of the State Survey. In addition some aeromagnetic features have been checked by ground magnetometer in selected localities and correlated directly with the rock types. A few oriented samples have been collected for measurement of the magnetic properties of the major rock units, but many hundreds or thousands of samples would be required to obtain a full range of values of the magnetic susceptibility and remanent magnetization of the rocks over such a large area.Although the geology of much of the area is still imperfectly known, the available aeromagnetic data together with the best obtainable geologic data are presented at this time, rather than awaiting the eventual extension or completion of the present mapping program, because the combined data provide much information on the extent and location of magnetic iron-formation and other major rock units where concealed beneath glacial, vegetative, and alluvial cover.

  14. Anomalous opening of the Equatorial Atlantic due to an equatorial mantle thermal minimum

    NASA Astrophysics Data System (ADS)

    Bonatti, Enrico

    1996-09-01

    The geology of the Equatorial Atlantic is dominated by a broad east-west megashear belt where a cluster of large fracture zones offsets anomalously deep segments of the Mid-Atlantic Ridge (MAR). The origin and evolution of this megashear region may lie ultimately in an equatorial mantle thermal minimum. The notion of a mantle thermal minimum in the Equatorial Atlantic is supported by an equatorial minimum of zero-age topography, a maximum in mantle shear waves seismic velocity and a minimum in the degree of melting, indicated by the chemistry of MAR basalts and peridotites. This thermal minimum has probably been a stable feature since before the Cretaceous separation of Africa from South America; it caused a pre-opening equatorial continental lithosphere thicker and colder than normal. The Cretaceous Benue Trough in western Africa and the Amazon depression in South America are interpreted as morphostructural depressions created or rejuvenated by strike-slip, transpressional and transtensional tectonics ducing extension of the cold/thick equatorial lithosphere. The oceanic rift propagating northward from the South Atlantic impinged against the equatorial thicker, colder and, therefore, stronger than normal continental, lithosphere that consequently acted as a 'locked zone'. This, and a low magmatic budget due to the cold upper mantle, caused a lower than normal rate of propagation of the oceanic rift into the equatorial belt, with diffuse deformation during mostly amagmatic extension. The thick/cold lithosphere prevented major Cretaceous igneous activity from the St. Helena plume. Eventually initial 'weak' isolated nuclei oceanic lithosphere were emplaced, separated by E-W continent/continent transforms. Opening occurred largely by strike-slip motion along these initial transforms. The consequences were that the Equatorial Atlantic opened prevalently along an E-W direction, in contrast to the N-S opening of the North and South Atlantic, and that sheared continental

  15. Geometries of hyperextended continental crust in northeastern continental brazilian margin: insights from potential field and seismic interpretation

    NASA Astrophysics Data System (ADS)

    Magalhães, José; Barbosa, José; Ribeiro, Vanessa; Oliveira, Jefferson; Filho, Osvaldo; Buarque, Bruno

    2016-04-01

    The study region encompasses a set of three basins located at Northeast Brazilian continental margin: Pernambuco (south sector), Paraíba and Natal platform (north sector). These basins were formed during the last stage of separation between South America and African plates during Cretaceous. The continental breakup in these regions occurred probably during the Middle-Upper Albian (~102 m.y). The adjacent basement rocks belong to Borborema Province (BP), which was formed due a complex superposition between Pre-Cambrian orogenic cycles. The structural framework of BP is dominated by large shear zones that divided this province in three main tectonic domains: South, Central and North. The Pernambuco Basin is located in the South Domain and the Paraíba and Natal platform basins are related to the Central Domain. The tectonic and magmatic evolution of the Pernambuco Basin was influenced by oblique rifting (~ 35° to rift axis) and a thermal anomaly probably caused by the Santa Helena hotspot. The north sector represents a continental shelf characterized by basement high with a narrow platform and an abrupt shelf break on transition to the abyssal plain. The continental platform break of this sector was parallel to the rift axis. In this way, we present a regional structural interpretation of these sectors of Brazilian rifted margin based on interpretation and 2D forward modeling of potential field and 2D seismic data. The magnetic maps (Reduction to magnetic pole and Analytic signal) revealed the influence of an alternating pattern of large narrow magnetic and non-magnetic lineaments, oriented NE-SW, E-W and NW-SE. In the Pernambuco Basin these lineaments (NE-SW and E-W) are related to shear zones in the hyperextended basement which is interpreted as a continuation of the granitic-gneissic and metasedimentary rocks of the South Domain of BP. The Paraíba and Natal platform basins show a slight change in the orientation of structures trending E-W (shear zones in

  16. Geochemistry of Mine Waste and Mill Tailings, Meadow Deposits, Streambed Sediment, and General Hydrology and Water Quality for the Frohner Meadows Area, Upper Lump Gulch, Jefferson County, Montana

    USGS Publications Warehouse

    Klein, Terry L.; Cannon, Michael R.; Fey, David L.

    2004-01-01

    Frohner Meadows, an area of low-topographic gradient subalpine ponds and wetlands in glaciated terrane near the headwaters of Lump Gulch (a tributary of Prickly Pear Creek), is located about 15 miles west of the town of Clancy, Montana, in the Helena National Forest. Mining and ore treatment of lead-zinc-silver veins in granitic rocks of the Boulder batholith over the last 120 years from two sites (Frohner mine and the Nellie Grant mine) has resulted in accumulations of mine waste and mill tailings that have been distributed downslope and downstream by anthropogenic and natural processes. This report presents the results of an investigation of the geochemistry of the wetlands, streams, and unconsolidated-sediment deposits and the hydrology, hydrogeology, and water quality of the area affected by these sources of ore-related metals. Ground water sampled from most shallow wells in the meadow system contained high concentrations of arsenic, exceeding the Montana numeric water-quality standard for human health. Transport of cadmium and zinc in ground water is indicated at one site near Nellie Grant Creek based on water-quality data from one well near the creek. Mill tailings deposited in upper Frohner Meadow contribute large arsenic loads to Frohner Meadows Creek; Nellie Grant Creek contributes large arsenic, cadmium, and zinc loads to upper Frohner Meadows. Concentrations of total-recoverable cadmium, copper, lead, and zinc in most surface-water sites downstream from the Nellie Grant mine area exceeded Montana aquatic-life standards. Nearly all samples of surface water and ground water had neutral to slightly alkaline pH values. Concentrations of arsenic, cadmium, lead, and zinc in streambed sediment in the entire meadow below the mine waste and mill tailings accumulations are highly enriched relative to regional watershed-background concentrations and exceed consensus-based, probable-effects concentrations for streambed sediment at most sites. Cadmium, copper, and

  17. The Rondonian-San Ignacio Province in the SW Amazonian Craton: An overview

    NASA Astrophysics Data System (ADS)

    Bettencourt, Jorge Silva; Leite, Washington Barbosa; Ruiz, Amarildo Salina; Matos, Ramiro; Payolla, Bruno Leonelo; Tosdal, Richard M.

    2010-01-01

    The Rondonian-San Ignacio Province (1.56-1.30 Ga) is a composite orogen created through successive accretion of arcs, ocean basin closure and final oblique microcontinent-continent collision. The effects of the collision are well preserved mostly in the Paraguá Terrane (Bolivia and Mato Grosso regions) and in the Alto Guaporé Belt and the Rio Negro-Juruena Province (Rondônia region), considering that the province was affected by later collision-related deformation and metamorphism during the Sunsás Orogeny (1.25-1.00 Ga). The Rondonian-San Ignacio Province comprises: (1) the Jauru Terrane (1.78-1.42 Ga) that hosts Paleoproterozoic basement (1.78-1.72 Ga), and the Cachoeirinha (1.56-1.52 Ga) and the Santa Helena (1.48-1.42 Ga) accretionary orogens, both developed in an Andean-type magmatic arc; (2) the Paraguá Terrane (1.74-1.32 Ga) that hosts pre-San Ignacio units (>1640 Ma: Chiquitania Gneiss Complex, San Ignacio Schist Group and Lomas Manechis Granulitic Complex) and the Pensamiento Granitoid Complex (1.37-1.34 Ga) developed in an Andean-type magmatic arc; (3) the Rio Alegre Terrane (1.51-1.38 Ga) that includes units generated in a mid-ocean ridge and an intra-oceanic magmatic arc environments; and (4) the Alto Guaporé Belt (<1.42-1.34 Ga) that hosts units developed in passive marginal basin and intra-oceanic arc settings. The collisional stage (1.34-1.32 Ga) is characterized by deformation, high-grade metamorphism, and partial melting during the metamorphic peak, which affected primarily the Chiquitania Gneiss Complex and Lomas Manechis Granulitic Complex in the Paraguá Terrane, and the Colorado Complex and the Nova Mamoré Metamorphic Suite in the Alto Guaporé Belt. The Paraguá Block is here considered as a crustal fragment probably displaced from its Rio Negro-Juruena crustal counterpart between 1.50 and 1.40 Ga. This period is characterized by extensive A-type and intra-plate granite magmatism represented by the Rio Crespo Intrusive Suite (ca. 1

  18. The warm chain.

    PubMed

    Bowers, J Z

    1985-01-01

    from Acapulco on February 8, 1805 with 26 Mexican boys who were to be used for arm-to-arm vaccination. On May 16 Balmis proposed the establishment of a central board of vaccination in Manila for the production, conservation, and distribution of lymph. He also opened a centre to which all residents of the city could come to be inoculated. The calves of the native water buffalo, "caraboa," were used to produce the vaccine, which was shipped to the provinces in glycerine protected by glass slides sealed in paraffin in capillary tubes or in small bottles. A singular set of barriers faced the early physician-vaccinators in China. The British established a vaccination center in Canton on December 2, 1805 with lymph from Balmis's expedition. On the voyage back to Spain, Balmis introduced vaccination on Saint Helena. Through the zeal of 2 physician-entrepreneurs, Jean De Carro and Francisco Xavier Balmis, 1 decade after its discovery, vaccination had girdled the world on Asian and New World voyages from Europe.

  19. Importance of nitrification for nitrogen cycling in the Southern Benguela Upwelling system.

    NASA Astrophysics Data System (ADS)

    Philibert, Raissa; Clark, Darren; Bellerby, Richard; Waldron, Howard

    2014-05-01

    Nitrification is the oxidation of ammonium to nitrate through biological processes. It is a a two step process where ammonium is converted to nitrite and then oxidised to nitrate. Nitrification in the euphotic zone has, in the past, been considered negligible. Recent studies have found that quantifying this process correctly is important when linking export to nitrate uptake by phytoplankton. However there are very few studies showing nitrate uptake and nitrification rate together in surface waters. This study presents the first such data for the Benguela upwelling system, which is one of the most productive marine ecosystems. This paper presents a comparison of nitrogen uptake and regeneration rates from St-Helena Bay, located in the Southern Benguela upwelling system, during three studies in November 2011, March 2012 and March 2013. During each survey, samples were collected within 5 metres of the surface at a single station for three consecutive days. Two of the experiments investigated both night time as well as day time rates. The samples were enriched with 15-N tracers and incubated in-situ for 6, 12 or 24 hours to estimate ammonium and nitrite oxidation and nitrate and ammonium uptake rates. Nitrate uptake, ρNO3 , ranged from 7 to 753 nmolL-1 h-1 during the day. At night, the minimum ρNO3 was 5 nmolL-1 h-1 and the maximum 23 nmolL-1 h-1 . Ammonium uptake, ρNH4 , ranged 7 to 440 nmolL-1 h-1 . Ammonium oxidation rates were between 0.20 ±0.54 and 17.8 ±0.4 nmolL-1 h-1 and nitrite oxidation rates between 18.6±9.7 to 88.20±17.78 nmolL-1 h-1. Depending on the timing of sampling within an upwelling cycle, the proportion of nitrate used by phytoplankton from the regenerated pool rather than a 'new' ( i.e upwelled) source varied. Equating nitrate uptake to carbon export traditionally relies on the assumption that all nitrate present in the surface is 'new' and originates from below the euphotic zone. In this study, the nitrite oxidation (nitrate regeneration

  20. Formation of the Oceanic Lithosphere from the Upper Asthenosphere

    NASA Astrophysics Data System (ADS)

    Presnall, D. C.; Gudfinnsson, G. H.

    2007-12-01

    In a global examination of the chemistry of MORBs, we find that Na8-Fe8-axial depth data do not support large variations in the temperature and pressure of MORB extraction from the mantle. Instead, the complete absence of high-pressure (> ~1.5 GPa) olivine-controlled crystallization of MORBs combined with solidus phase relations in the CaO-MgO-Al2O3-SiO2-Na2O-FeO system indicate that the inverse and positive Na8-Fe8 variations are produced from a heterogeneous source by melt extraction over a very narrow range of P and T (~1.2-1.5 GPa and 1250-1280°C) at the plagioclase-spinel lherzolite transition. This is inconsistent with the existence of hot mantle plumes (Easter, Galapagos, Iceland, Azores, St. Helena, Tristan, Afar) on or close to ridges. However, it is consistent with the very flat 410 km discontinuity beneath the East Pacific Rise, which does not permit the existence of even a single hot plume (Easter) beneath the ridge (Melbourne and Helmberger, 2002, JGR, 107, doi:10.1029/2001B000332). The global absence of MORBs with a high-pressure major-element signature implies that the isolation of the East Pacific Rise from the deeper mantle applies to all ridges. A new model is developed (Presnall and Gudfinnsson, in press, Origin of the Oceanic Lithosphere, J. Petrol.) that explains the formation of new seismic lithosphere (~70 km thickness) by lateral and upward migration of the slightly melted upper part (~70-140 km depth) of the low-velocity zone toward the ridge. Although decompression melting occurs over a large pressure range, melt extraction is constrained to the very narrow P-T range given above by the maximum T in the mantle at which CO2 vapor can be extracted. This condition occurs at a pressure just below that of the abrupt 280°C temperature decrease of the carbonated lherzolite solidus at the base of the seismic lithosphere. The constant association of strombolian and effusive eruptions at ridges (Clague, 2007, Geophys. Res. Abstr., 9, EUG, 02096

  1. Probabilistic description of ice-supersaturated layers in low resolution profiles of relative humidity N. C. Dickson, K. Gierens, H. L. Rogers, R. L. Jones

    NASA Astrophysics Data System (ADS)

    Dickson, N.

    2009-12-01

    The global observation, assimilation and prediction in numerical models of ice super-saturated (ISS) regions (ISSR) are crucial if the climate impact of aircraft condensations trails (contrails) is to be fully understood, and if, for example, contrail formation is to be avoided through aircraft operational measures. A robust assessment of the global distribution of ISSR will further this debate, and ISS event occurrence, frequency and spatial scales have recently attracted significant attention. The mean horizontal size of ISSR is 150 km (±250km) although 12-14% of ISS events occur on horizontal scales of less than 5km. The average vertical thickness of ISS layers is 600-800m (±575m) but layers ranging from 25m to 3000m have been observed, with up to one third of ISS layers thought to be less than 100m deep. Given their small scales compared to typical atmospheric model grid sizes, statistical representations of the spatial scales of ISSR are required, in both horizontal and vertical dimensions, if global occurrence of ISSR is to be adequately represented in climate models. This paper uses radiosonde launches made by the UK Meteorological Office, from the British Isles, Gibraltar, St. Helena and the Falkland Islands between January 2002 and December 2006, to investigate the probabilistic occurrence of ISSR. Specifically each radiosonde profile is divided into 50 and 100 hPa pressure layers, to emulate the coarse vertical resolution of some atmospheric models. Then the high resolution observations contained within each thick pressure layer are used to calculate an average relative humidity and an ISS fraction for each individual thick pressure layer. These relative humidity pressure layer descriptions are then linked through a probability function to produce an s-shaped curve describing the ISS fraction in any average relative humidity pressure layer. An empirical investigation has shown that this one curve is statistically valid for mid-latitude locations

  2. Mixed carbonate-siliciclastic sedimentation in forebulge grabens: An example from the Ediacaran Bambuí Group, São Francisco Basin, Brazil

    NASA Astrophysics Data System (ADS)

    Reis, Humberto L. S.; Suss, João F.

    2016-06-01

    Mixed carbonate-siliciclastic successions have been described in multiple Phanerozoic sedimentary settings recording the dynamic interplay of tectonics, eustasy, climate, in situ carbonate production, and variations in siliciclastic sediment supply. The Ediacaran Bambuí 1st-order sequence (i.e., Bambuí Group) covers most of the intracratonic São Francisco basin (southeast Brazil) and encompasses thick packages of carbonate and fine- to coarse-grained siliciclastic strata. Recording a marine foreland basin stage that developed in the São Francisco plate during the Neoproterozoic-early Paleozoic West Gondwana assembly, the Ediacaran deposits unconformably overlie Archean-Paleoproterozoic metamorphic assemblages of the Sete Lagoas basement high and fill a series of kilometer-long grabens in the southern São Francisco basin. Seismic data reveal that these troughs developed through the extensional reactivation of ancient basement structures along with the tectonically driven forebulge uplift of the Sete Lagoas high, in the early evolutionary stages of the Bambuí basin cycle. Based on the detailed description of continuous drill cores of a well recently drilled during hydrocarbon exploration campaigns, we recognized two transgressive-regressive 2nd-order sequences preserved within one of the focused grabens: (i) Sequence 1 includes the glaciogenic deposits of the basal Carrancas Formation that grade upward into the carbonate ramp successions of the Sete Lagoas Formation; (ii) Sequence 2 contains the siliciclastic-dominated and deep water to deltaic strata of the Serra de Santa Helena Formation and passes upward into peritidal carbonates of the Lagoa do Jacaré Formation. These sedimentary successions encompass suites of retrogradational, aggradational, and progradational lower-rank cycles and are bounded by erosional surfaces. Regional seismic interpretation, well data, and the available literature indicate that most of these deposits and their correlatives are

  3. A regional assessment of potential environmental hazards to and limitations on petroleum development of the Southeastern United States Atlantic continental shelf, slope, and rise, offshore North Carolina

    USGS Publications Warehouse

    Popenoe, Peter; Coward, E.L.; Cashman, K.V.

    1982-01-01

    More than 11,000 km of high-resolution seismic-reflection data, 325 km of mid-range sidescan-sonar data, and 500 km of long-range sidescan-sonar data were examined and used to construct an environmental geology map of the Continental Shelf, Slope, and Rise for the area of the U.S. Atlantic margin between lats. 32?N. and 37?N. Hardgrounds and two faults described in previous literature also are shown on the map. On the Continental Shelf, at least two faults, the Helena Banks fault and the White Oak lineament, appear to be tectonic in origin. However, a lack of historical seismicity associated with these faults indicates that they are probably not active at the present time. Hardgrounds are widely scattered but are most abundant in Onslow Bay. Although paleostream channels are common nearshore, they do not appear to be common on the central and outer shelf except off Albemarle Sound where extensive Pleistocene, Pliocene, and late Miocene channels extend across the shelf. Mobile bottom sediments are confined mainly to the shoals off Cape Romain, Cape Fear, Cape Lookout, and Cape Hatteras. Elsewhere the sand cover is thin, and older more indurated rocks are present in subcrop. No slope-instability features were noted on the Florida-Hatteras slope off North Carolina. The lack of features indicates that this slope is relatively stable. Evidence for scour by strong currents is ubiquitous on the northern Blake Plateau although deep-water reefs are sparse. The outer edge of the plateau is dominated by a major growth fault and numerous splay and antithetic faults. These faults are the product of salt tectonism in the Carolina trough and thus are not associated with seismicity. Displacements observed near the sea floor and breached diapirs offshore indicate that the main fault is still moving. Associated with the faults are collapse features that are interpreted to be caused by karst solution and cavernous porosity in Eocene and Oligocene limestones at depth. Major slumps

  4. The influence of melt flux and crustal processing on Re-Os isotope systematics of ocean island basalts: Constraints from Galápagos

    NASA Astrophysics Data System (ADS)

    Gibson, S. A.; Dale, C. W.; Geist, D. J.; Day, J. A.; Brügmann, G.; Harpp, K. S.

    2016-09-01

    greater, accounting for co-variations in Os and 187Os/188Os. The Os concentration threshold below which the 187Os/188Os of Galápagos basalts are contaminated (100 pg g-1) is higher than the canonical value (<50 pg g-1) assumed for many other global OIBs (e.g. for Iceland, Grande Comore and Hawaii). This most likely reflects the low overall melt flux to the crust from the Galápagos plume, which has only a moderate excess temperature and buoyancy flux. Our findings have implications for the interpretation of 187Os/188Os ratios in other ocean island settings, especially those where large variations in 187Os/188Os have been linked to heterogeneity in mantle lithology or sulfide populations: the effect of crustal contamination on 187Os/188Os may be greater than previously recognised, particularly for basalts associated with weak, low melt flux mantle plumes, such as Tristan, Bouvet, Crozet and St Helena.

  5. Preliminary Geologic Map of the White Sulphur Springs 30' x 60' Quadrangle, Montana

    USGS Publications Warehouse

    Reynolds, Mitchell W.; Brandt, Theodore R.

    2006-01-01

    The geologic map of the White Sulphur Springs quadrangle, scale 1:100,000, was made as part of the Montana Investigations Project to provide new information on the stratigraphy, structure, and geologic history of the geologically complex area in west-central Montana. The quadrangle encompasses about 4,235 km2 (1,635 mi2), across part of the Smith River basin, the west end of the Little Belt Mountains, the Castle Mountains, and the upper parts of the basins of the North Forks of the Smith and Musselshell Rivers and the Judith River. Geologically the quadrangle extends across the eastern part of the Helena structural salient in the Rocky Mountain thrust belt, a segment of the Lewis and Clark tectonic zone, west end of the ancestral central Montana uplift, and the southwest edge of the Judith basin. Rocks and sediments in the White Sulphur Springs quadrangle are assigned to 88 map units on the basis of rock or sediment type and age. The oldest rock exposed is Neoarchean diorite that is infolded with Paleoproterozoic metamorphic rocks including gneiss, diorite, granite, amphibolite, schist, and mixed metamorphic rock types. A thick succession of the Mesoproterozoic Belt Supergroup unconformably overlies the metamorphic rocks and, in turn, is overlain unconformably by Phanerozoic sedimentary and volcanic rocks. Across most of the quadrangle, the pre-Tertiary stratigraphic succession is intruded by Eocene dikes, sills, and plutons. The central part of the Little Belt Mountains is generally underlain by laccoliths and sheet-like bodies of quartz monzonite or dacite. Oligocene andesitic basalt flows in the western and southern part of the quadrangle document both the configuration of the late Eocene erosional surfaces and the extent of extensional faulting younger than early Oligocene in the area. Pliocene, Miocene, and Oligocene strata, mapped as 11 units, consist generally of interbedded sand, gravel, and tuffaceous sedimentary rock. Quaternary and Quaternary

  6. Veins in the northern part of the Boulder batholith, Montana

    USGS Publications Warehouse

    Pinckney, D.M.

    1965-01-01

    About 20 miles north of Butte and extending nearly to Helena, is an area of 350 square miles containing hundreds of veins and altered zones. The bedrock of the area is 1) late Cretaceous volcanic rocks, forerunners of the Boulder batholith, 2) the Boulder batholith of late Cretaceous to early Tertiary age and 3) two groups of Tertiary volcanic rocks lying on the eroded batholith. The veins are post-batholith and pre-Tertiary in age. The veins are largely either quartz-sulfide veins of mesothermal type or chalcedony veins of epithermal type. The relations of these two types of veins have been the subject of conflicting ideas for 60 years. Three workers have proposed three different genetic classifications. This report shows that the quartz veins and the chalcedony veins are closely related parts of a strongly zoned hypogene vein system. Strong zonal patterns were established using the grain size of quartz (or pyrite vs. carbonate in one district) as well as features of the altered rocks. The scale of the zoning ranges from single veins through groups of veins or mining districts to the entire mineralized area. Single veins are zoned around a core of coarse-grained quartz; the quartz outward from the core becoming progressively finer-grained. The cores are zoned around eight major centers and several lesser ones. The centers and their nearby related veins are assigned to central, intermediate, and peripheral zones. Nearly all of the veins around the edge of the mineralized area are chalcedony. Envelopes of altered rocks consist of seven major bands representing three major groups of constituents, aluminum silicates, iron-bearing minerals, and silica. Plagioclase altered successively to montomorillite, kaolinite, and sericite; potassium feldspar altered to sericite (aluminum silicate group). Biotite released iron which formed successively, iron oxides, iron-bearing carbonate, and pyrite (iron-bearing minerals). Excess silica formed silicified bands. Constituents for

  7. EDITORIAL: Focus on Quantum Dissipation in Unconventional Environments FOCUS ON QUANTUM DISSIPATION IN UNCONVENTIONAL ENVIRONMENTS

    NASA Astrophysics Data System (ADS)

    Grifoni, Milena; Paladino, Elisabetta

    2008-11-01

    'unconventional' questions were still open on the standard harmonic oscillator and spin baths. This includes both fundamental issues, such as the possibility of estimating the specific heat for a free particle in the presence of dissipation, and the development of methods suitable to dealing with long range correlations at zero temperature and with quantum chaotic environments. We believe that the present focus issue on Quantum Dissipation in Unconventional Environments, although certainly not exhaustive, provides an important open-access resource that presents the latest state of the art of research in this field along its different lines. Focus on Quantum Dissipation in Unconventional Environments Contents Dephasing by electron-electron interactions in a ballistic Mach-Zehnder interferometer Clemens Neuenhahn and Florian Marquardt Quantum frustration of dissipation by a spin bath D D Bhaktavatsala Rao, Heiner Kohler and Fernando Sols A random matrix theory of decoherence T Gorin, C Pineda, H Kohler and T H Seligman Dissipative dynamics of a biased qubit coupled to a harmonic oscillator: analytical results beyond the rotating wave approximation Johannes Hausinger and Milena Grifoni Dissipative dynamics of a two-level system resonantly coupled to a harmonic mode Frederico Brito and Amir O Caldeira Spin correlations in spin blockade Rafael Sánchez, Sigmund Kohler and Gloria Platero Landau-Zener tunnelling in dissipative circuit QED David Zueco, Peter Hänggi and Sigmund Kohler Quantum oscillations in the spin-boson model: reduced visibility from non-Markovian effects and initial entanglement F K Wilhelm Dynamics of dissipative coupled spins: decoherence, relaxation and effects of a spin-boson bath P Nägele, G Campagnano and U Weiss Spin chain model for correlated quantum channels Davide Rossini, Vittorio Giovannetti and Simone Montangero Finite quantum dissipation: the challenge of obtaining specific heat Peter Hänggi, Gert-Ludwig Ingold and Peter Talkner Dynamics of large

  8. Messinian Salinity Crisis - DREAM (Deep-sea Record of Mediterranean Messinian events) drilling projects

    NASA Astrophysics Data System (ADS)

    Lofi, Johanna; Camerlenghi, Angelo

    2014-05-01

    objectives related to the MSC. Among these proposals, one will be fully dedicated to the MSC event. Improved quality of seismic data has allowed important advances in the recognition and understanding of MSC seismic markers (surfaces and depositional units) and lithological and stratigraphical calibrations are now critical. Therefore, the drilling strategy must include multiple sites covering representative locations of both Western and Eastern Mediterranean basins. A series of critical drilling targets were thus identified as follows: - A first set of drilling targets, dedicated to shallow water (< 2500 m water depth) MSC markers, includes the Messinian clastic wedges, the erosion surfaces and the MSC deposits (including thin salt bodies) trapped in small topographic lows observed at various water depths between the shoreline and the abyssal plain. Up to 10 sites, presented in this work, could be drilled with the riserless R/V Joides Resolution, provided the safety conditions are met; - Another critical drilling target is the full recovering of undeformed MSC sequence (including the Tortonian-Messinian and the Messinian-Zanclean boundaries) in the deep water (>2500m) of both the eastern and western Mediterranean basins. This will be possible thanks to R/V Chikyu riser drilling vessel and will be the scope of a second MSC IODP proposal. DREAM Team: A. Giovanni galod@locean-ipsl.upmc.fr, H. Christian huebscher@zmaw.de, G. deLangeGert gdelange@geo.uu.nl, R. Flecker r.flecker@bristol.ac.uk, D. Garcia-Castellanos danielgc@ictja.csic.es, C. Gorini gorini@upmc.fr, Z. Gvirtzman zohar@gsi.gov.il, W. Krijgsman krijgsma@geo.uu.nl, S. Lugli lugli@unimore.it, I. Makowsky yizhaq@univ.haifa.ac.il, M. Vinicio vinicio.manzi@unipr.it, T. McGenity tjmcgen@essex.ac.uk, G. Panieri giuliana.panieri@uit.no, M. Rabineau rabineau@univ-brest.fr, M. Roveri marco.roveri@unipr.it, F.J. Sierro sierro@usal.es, N. Waldman nwaldmann@univ.haifa.ac.il

  9. Coming Home at Paranal

    NASA Astrophysics Data System (ADS)

    2002-02-01

    of the Corridors . PR Photo 05m/02 : A Bedroom . PR Photo 05n/02 : The main facade in evening light . PR Photo 05o/02 : View from the Observing Platform towards the Residencia in evening light. The Paranal Residencia ESO PR Photo 05a/02 ESO PR Photo 05a/02 [Preview - JPEG: 611 x 400 pix - 73k] [Normal - JPEG: 1222 x 800 pix - 936k] [HiRes - JPEG: 3000 x 1964 pix - 4.6M] ESO PR Photo 05b/02 ESO PR Photo 05b/02 [Preview - JPEG: 619 x 400 pix - 92k] [Normal - JPEG: 1238 x 800 pix - 944k] [HiRes - JPEG: 3000 x 1938 pix - 3.1M] Caption : PR Photo 05a/02 shows an aerial view of the Paranal Observatory. Below the observing platform at the top of the mountain - at a distance of about 3 km - is the Base Camp with the technical area (to the right of the road) and the new Residencia building (left of the road). To the extreme left is a temporary container camp of the construction company. PR Photo 05b/02 shows the Base Camp in more detail. In the course of 2002, many of the containers on the right side will be removed. The square building in the foreground to the left of the entrance gate is the future "Visitors' Centre".- A dummy 8.2-m concrete mirror is also placed here. These photos were made by ESO engineer Gert Hüdepohl during the final construction phase in late 2001. Ever since the construction of the ESO Very Large Telescope (VLT) at Paranal began in 1991, staff and visitors have resided in cramped containers in the "Base Camp". This is one of driest and most inhospitable areas in the Chilean Atacama Desert and eleven years is a long time to wait. However, there was never any doubt that the construction of the telescope itself must have absolute priority. Nevertheless, with the major technical installations in place, the time had come to develop a more comfortable and permanent base of living at Paranal, outside the telescope area. A unique architectural concept The concept for the Paranal Residencia emerged from a widely noted international architectural competition

  10. Geology and ground water in Napa and Sonoma Valleys, Napa and Sonoma Counties, California

    USGS Publications Warehouse

    Kunkel, Fred; Upson, Joseph Edwin

    1960-01-01

    COIM3ists of interbedded deposits of unconsolidated gravel. sand, silt. and. locally, peat. These deposits underlie the flood plains and channels of the Napa River. Sonoma Creek, and their tributaries, low alluvial fans or plains graded to these streams. and the tidal marshlands. The older alluvium of Napa and Sonoma Valleys is composed of lenticular deposits of unconsolidated and poorly sorted clay, silt. sand. and gravel. Where exposed, claypan or hardpan soil is characteristically developed at the surface. The Huichica formation is composed of deformed continental beds consisting mostly of yellow silt with some interbedded lenses of silt and gravel, and silt and boulders. At the base are beds of redeposited volcanic material, silt, clay, and lenses of coarse gravel and boulders. The Glen Ellen fcrmation consists of alluvial clay, silt, sand, and gravel in clearly stratified but generally lenticular beds. The Sonoma volcanics constitute a thick and highly variate series of continental volcanic rocks, including andesite, basalt, and minor rhyolite flows and interbedded coarse- to fine-grained pyroclastic tuff and breccia, redeposited tuff and pumice, and diatomaceous mud, silt, and sand. A prominent body of rhyolite flows and tuff with some obsidian and perlitic glass, called the St. Helena rhyolite member, occurs in the upper part. Estimated ground-water pumpage for all uses in the year 1949-50 was about 5,600 acre-feet in Napa Valley and about 2,400 acre-feet in Sonoma Valley. Of this quantity the amounts pumped for irrigation were about 2,900 and 1,900 acre-feet, respectively. Water levels in wells in the central parts of the valleys range from a few feet above the land surface to about 50 feet below, with an average of about 25 feet. The quality of the water in most wells is satisfactory for domestic use and irrigation. Locally at the southern end of the valley some contamination of the native waters is caused by the movement of salty wate

  11. The impact of meteorology on smoke and low-level clouds over the southeast Atlantic

    NASA Astrophysics Data System (ADS)

    Adebiyi, Adeyemi A.

    the mid-tropospheric easterly-transporting system on both the elevated smoke and the low-level cloud environments; and the synoptic-scale sensitivity of the low-level clouds to a range of interacting meteorological conditions, with and without the presence of the elevated smoke. First, the analysis of the radiosondes at St. Helena Island, a small island located approximately 1800 km offshore of continental Africa (15.9°S, 5.6°W), shows the presence of mid-tropospheric moisture within the smoke layer, and above the low-level clouds. The smoke layer has previously been associated with hot and dry layer, perhaps in analogy to the Saharan air layer. The mid-tropospheric moisture over the south-east Atlantic has not been previously documented, and it occurs more than 70% of the time between September and October. During the same months, as the aerosol loading increases, the amount of the mid-tropospheric moisture also increases. The result of the radiative transfer calculations shows that the mid-tropospheric moisture-induced longwave cooling accounts for about 30% of the aerosol-induced shortwave warming, within the smoke layer. At the cloud top, increased mid-tropospheric moisture could increase cloud-top heights by enhancing the downwelling longwave radiation at the cloud top, and potentially reducing the turbulent mixing within the boundary layer, which may ultimately reduce the cloud fraction. This process essentially opposes the cloud-thickening semi-direct aerosol effect due to the elevated smoke alone.? By isolating the independent effects of selected above-cloud and surface-based meteorological influences during July-October period, it is shown that increases in lower tropospheric stability (LTS, defined as theta800 hPa - theta1000 hPa), cold surface advection and warm 800 hPa horizontal temperature advection, all lead to increases in marine low-level cloudiness over the southeast Atlantic. In addition, the mid-tropospheric moisture is shown to independently

  12. Obituary: David Q. Wark, 1918-2002

    NASA Astrophysics Data System (ADS)

    McMillin, Larry Max

    2003-12-01

    Administration (NOAA) in 1970. But retirement did not stop his work or his contributions to science. In his last 3 years, Dr. Wark took a part-time post-retirement position at NOAA/NESDIS where he continued to work in the field he pioneered and to which he dedicated his life. One could not ta1k to Dr. Wark for long without learning of his keen interest in sailing. He was especia1ly proud of his 4-year adventure in which took periodic time from work to sail around the world (from 1982--1986) on his 38' cutter the Capella. During this time he (and a crew of 2) spent almost an entire year on the open seas, beginning the trip at Solomons, Maryland, and including stops in Ft. Lauderdale, Cancun, Panama, Galapagos Islands, French Polynesia, Cooke Islands, Niue, Tonga, Fiji, Vanuatu, Australia, Christmas Islands, Mauritius, Reunion, South Africa, St Helena, Brazil, the Virgin Islands and back home again along the North Carolina coast. His meteorological interest showed in the detailed series of bucket temperatures he took on this trip. On his return he obtained the corresponding satellite measurements and made comparisons between his temperatures and the surface temperatures measured by the satellite. He often made comments about how rare a cloud-free sky was, at least in the vicinity of oceans. A few years later he circumnavigated the eastern half of the United States via rivers, inter-coastal waterways, and canals, a trip of approximately 2000 miles. This voyage ended in 1990, when he was 72 years of age. Some of the segments of this voyage he sailed single-handedly, a remarkable achievement. This biography would not be complete without mentioning the famous cigars. Dr. Wark acquired a reputation among his colleagues for hardly ever being seen without a well-chewed cigar, damp on one end, lit on the other, in his hand. When computers were in their infancy, discs were not as well sealed as they are today, and the one in Dr. Wark's office seemed to experience an inordinate frequency of

  13. EDITORIAL: Colloidal suspensions Colloidal suspensions

    NASA Astrophysics Data System (ADS)

    Petukhov, Andrei; Kegel, Willem; van Duijneveldt, Jeroen

    2011-05-01

    fluid-fluid interface [2]. Together with Remco Tuinier, Henk has recently completed a book in this area which is to appear later this year. A major theme in Henk's research is that of phase transitions in lyotropic liquid crystals. Henk, together with Daan Frenkel and Alain Stroobants, realized in the 1980s that a smectic phase in dispersions of rod-like particles can be stable without the presence of attractive interactions, similar to nematic ordering as predicted earlier by Onsager [3]. Together with Gert-Jan Vroege he wrote a seminal review in this area [4]. Henk once said that 'one can only truly develop one colloidal model system in one's career' and in his case this must be that of gibbsite platelets. Initially Henk's group pursued another polymorph of aluminium hydroxide, boehmite, which forms rod-like particles [5], which already displayed nematic liquid crystal phases. The real breakthrough came when the same precursors treated the produced gibbsite platelets slightly differently. These reliably form a discotic nematic phase [6] and, despite the polydispersity in their diameter, a columnar phase [7]. A theme encompassing a wide range of soft matter systems is that of colloidal dynamics and phase transition kinetics. Many colloidal systems have a tendency to get stuck in metastable states, such as gels or glasses. This is a nuisance if one wishes to study phase transitions, but it is of great practical significance. Such issues feature in many of Henk's publications, and with Valerie Anderson he wrote a highly cited review in this area [8]. Henk Lekkerkerker has also invested significant effort into the promotion of synchrotron radiation studies of colloidal suspensions. He was one of the great supporters of the Dutch-Belgian beamline 'DUBBLE' project at the ESRF [9]. He attended one of the very first experiments in Grenoble in 1999, which led to a Nature publication [7]. He was strongly involved in many other experiments which followed and also has been a

  14. SINFONI Opens with Upbeat Chords

    NASA Astrophysics Data System (ADS)

    2004-08-01

    the development of SINFONI for nearly 7 years. Some of the members of the Commissioning Teams are depicted in PR Photos 24g/04 and 24h/04; in addition to the SPIFFI team members present on the second photo, Walter Bornemann, Reinhard Genzel, Hans Gemperlein, Stefan Huber have also been working on the reintegration/commissioning in Paranal. Notes [1] This press release is issued in coordination between ESO, the Max-Planck-Institute for Extraterrestrial Physics (MPE) in Garching, Germany, and the Nederlandse Onderzoekschool Voor Astronomie in Leiden, The Netherlands. A German version is available at http://www.mpg.de/bilderBerichteDokumente/dokumentation/pressemitteilungen/2004/pressemitteilung20040824/index.html and a Dutch version at http://www.astronomy.nl/inhoud/pers/persberichten/30_08_04.html. [2] The SINFONI team consists of Roberto Abuter, Andrew Baker, Walter Bornemann, Ric Davies, Frank Eisenhauer (SPIFFI Principal Investigator), Hans Gemperlein, Reinhard Genzel (MPE Director), Andrea Gilbert, Armin Goldbrunner, Matthew Horrobin, Stefan Huber, Christof Iserlohe, Matthew Lehnert, Werner Lieb, Dieter Lutz, Nicole Nesvadba, Claudia Röhrle, Jürgen Schreiber, Linda Tacconi, Matthias Tecza, Niranjan Thatte, Harald Weisz (Max-Planck-Institut für Extraterrestrische Physik, Garching, Germany), Anthony Brown, Paul van der Werf (NOVA, Leiden, The Netherlands), Eddy Elswijk, Johan Pragt, Jan Kragt, Gabby Kroes, Ton Schoenmaker, Rik ter Horst (ASTRON, Dwingeloo, The Netherlands), Henri Bonnet (SINFONI Project Manager), Roberto Castillo, Ralf Conzelmann, Romuald Damster, Bernard Delabre, Christophe Dupuy, Robert Donaldson, Christophe Dumas, Enrico Fedrigo, Gert Finger, Gordon Gillet, Norbert Hubin (Head of Adaptive Optics Dept.), Andreas Kaufer, Franz Koch, Johann Kolb, Andrea Modigliani, Guy Monnet (Head of Telescope Systems Division), Chris Lidman, Jochen Liske, Jean Louis Lizon, Markus Kissler-Patig (SINFONI Instrument Scientist), Jerome Paufique, Juha Reunanen