Sample records for grandes bagres siluriformes

  1. The feeding habits of gafftopsail catfish Bagre marinus (Ariidae) in Paraiso Coast, Tabasco, Mexico Los hábitos de alimentación del bagre Bagre marinus (Ariidae) en Costa Paraíso, Tabasco, México

    Microsoft Academic Search

    Manuel Mendoza-Carranza

    The gafftopsail catfish (Bagre marinus) is one of the species of most importance to fisheries in the Gulf of Mexico, particularly in the coastal region of Tabasco State, where it is captured abundantly almost all year round in shallow coastal zones. Although, there is neither ecological nor biological information about this species in the coastal zone of Tabasco State. This

  2. A preliminary inventory of the catfishes of the lower Rio Nhamundá, Brazil (Ostariophysi, Siluriformes).

    PubMed

    Collins, Rupert A; Duarte Ribeiro, Emanuell; Nogueira Machado, Valéria; Hrbek, Tomas; Farias, Izeni Pires

    2015-01-01

    The Rio Nhamundá is a poorly-known clearwater river draining the southern Guiana Shield of Brazil. In this study we report the findings of a preliminary ichthyological survey, focusing on catfishes (Siluriformes). We identify a total of 36 species (31 genera, seven families) from the Nhamundá, including 11 species already recorded from the river. Overall, our survey results show that even rapid surveys can provide important information on Amazon fish biodiversity, suggesting potential new species, providing range extensions for nominal species, and additionally highlighting taxa in need of taxonomic revision and genetic study. As well as the traditional forms of data collected on biodiversity surveys (i.e. preserved specimen vouchers), our study also provides "new" types of data in the form of DNA barcodes and images of fishes exhibiting colouration in life, information that will be invaluable in future work addressing difficult groups. O Rio Nhamundá é um rio de água clara, pouco conhecido, que drena parte do Escudo das Guianas em território brasileiro. Nesse estudo, nós reportamos os resultados de um levantamento ictiofaunístico preliminar dessa área, tendo como foco os bagres (Siluriformes). Nós identificamos um total de 36 espécies (31 gêneros, sete famílias) provenientes de nossa coleta, e adicionamos 11 espécies já conhecidas para o rio. De maneira geral, os resultados de nossa pesquisa mostram que mesmo levantamentos rápidos podem gerar informações importantes sobre a biodiversidade de peixes amazônicos, sugerindo potenciais espécies novas, ampliando a área de distribuição de espécies, além de apontar a necessidade de revisões taxonômicas e estudos genéticos para alguns taxa. Para além das formas tradicionais de dados coletados em pesquisas de biodiversidade (i.e. espécimes preservados), nosso estudo fornece "novas" formas de dados, como DNA barcodes e imagens com o padrão de coloração dos espécimes vivos, informações essas que serão de valor inestimável para futuros estudos que abordem grupos taxonômicos difíceis. PMID:25977611

  3. Transformations agraires et nouvelles mobilits autour d'un grand barrage (Bagr, Burkina Faso)*

    E-print Network

    Boyer, Edmond

    recherche (UFR/SH), Université de Ouagadougou, 03 BP 7021 2 Unité de recherche « Nutrition, alimentation et « Nutrition, alimentation et sociétés » (UR 106), Institut d'études pour le développement économique et social the areas covered by the health centres. During the rainy season, the farmers are obliged to settle down

  4. Histología y morfometría de piel del pez Eremophilus mutisii (Trychomecteridae, Siluriformes)

    Microsoft Academic Search

    Rocío Johanna; Bonilla Lizarazo; Marllury Quintero Virguez; Edwin Gómez Ramírez; Daniel Rodríguez; Hernán Hurtado Giraldo

    2008-01-01

    Skin histology and morphometry of the fish Eremophilus mutisii (Trychomecteridae, Siluriformes). The tropical freshwater fish Eremophylus mutisii is endemic to the Cundinamarca highland in Colombia. Skin samples (0.5x0.5 cm2) were taken from 11 specimens at six body parts (mandible, dorsal head, dorsal trunk, caudal trunk, medial trunk and abdominal area), fixed in 4% formaldehyde, dehydrated in 95% ethanol and 99%

  5. First description of B chromosomes in the family Auchenipteridae, Parauchenipterus galeatus (Siluriformes) of the São Francisco River basin (MG, Brazil)

    Microsoft Academic Search

    Roberto Laridondo Lui; Daniel Rodrigues Blanco; Vladimir Pavan Margarido; Orlando Moreira Filho

    2009-01-01

    B chromosomes are considered additional and non-essential; they likely originate from A chromosomes and follow a distinct evolution. In fish, approximately half of the Neotropical species with B chromosomes are Characiformes and 35% are Siluriformes. There has been no report of B chromosomes in Auchenipteridae until this moment. B chromosomes found in a population of Parauchenipterus galeatus from the São

  6. Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: V. Five new species of Thaparocleidus Jain, 1952 (Ancylodiscoididae) from Pangasius Nasutus.

    PubMed

    Pariselle, A; Lim, L H; Lambert, A

    2003-12-01

    The examination of gill parasites from Pangasius nasutus (Bleeker, 1862) (Siluriformes, Pangasiidae) revealed the presence of five new species of Monogenea, all belonging to Thaparocleidus Jain, 1952 (Monogenea, Ancylodiscoididae) as defined by Lim (1996) and Lim et al. (2001): T. serpens n. sp. T. ocrea n. sp., T. megagripus n. sp., T. citreum n. sp. and T. alatus n. sp. PMID:14710628

  7. Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: IX. Two new species of Thaparocleidus Jain, 1952 (Ancylodiscoididae) from Pangasius mahakamensis.

    PubMed

    Pariselle, A; Lim, L H S; Lambert, A

    2005-12-01

    The examination of gill parasites from P. mahakamensis Pouyaud, Gustiano & Teugels, 2002 (Siluriformes, Pangasiidae) in Southeast Asia revealed the presence of three species of Monogenea. One (Thaparocleidus caecus (Mizelle & Kritsky, 1969)) had been previously described. The other two, belonging to Thaparocleidus Jain, 1952 (Monogenea, Ancylodiscoididae) as defined by Lim (1996) and Lim et al. (2001), are considered new species: T. pouyaudi n. sp. and T. teugelsi n. sp. PMID:16402564

  8. Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: VI. Pangasitrema camillae n. g., n. sp. (Monogenea, Ancylodiscoididae), from Pangasius polyuranodon.

    PubMed

    Pariselle, A; Euzet, L; Lambert, A

    2004-06-01

    The examination of gill parasites from Pangasius polyuranodon Bleeker, 1852 (Siluriformes, Pangasiidae) in Indonesia revealed the presence of a new species of Manogenea, belonging to a new genus: Pangasitrema camillae n. g., n. sp. (Ancylodiscoididae). Among Ancylodiscoididae, the genus has several distinguishing features: the reduced size of the haptor, the morphology and size of gripi, the absence of a ventral transversal bar and of a cuneus associated with dorsal gripi. PMID:15224575

  9. Neotropical Siluriformes as a Model for Insights on Determining Biodiversity of Animal Groups

    PubMed Central

    Ota, Renata Rúbia; Message, Hugo José; da Graça, Weferson Júnio; Pavanelli, Carla Simone

    2015-01-01

    We performed an analysis of the descriptions of new species of Neotropical Siluriformes (catfishes) to estimate the number of new species that remain to be described for a complete knowledge on biodiversity of this order, to verify the effectiveness of taxonomic support, and to identify trends and present relevant information for future policies. We conducted a literature review of species descriptions between January 1990 and August 2014. The following metadata were recorded from each article: year of publication, number of species, journal and impact factor, family(s) of the described species, number of authors, age of the authors and coauthors, country of the first author’s institution and ecoregion of the type-locality. From accumulation of descriptions, we built an estimate model for number of species remaining to be described. We found 595 described species in 402 articles. The data demonstrated that there has been an increased understanding of the diversity of Siluriformes over the last 25 years in the Neotropical region, although 35% of the species still remain to be described. The model estimated that with the current trends and incentives, the biodiversity will be known in almost seven decades. We have reinforced the idea that greater joint efforts should be made by society and the scientific community to obtain this knowledge in a shorter period of time through enhanced programs for promoting science, training and the advancement of professionals before undiscovered species become extinct. The model built in this study can be used for similar estimates of other groups of animals. PMID:26168270

  10. GRAND RIVER Winter 2014

    E-print Network

    Thompson, Michael

    GRAND RIVER POST SECONDARY BOARD NEWSLETTER Winter 2014 Issue 55 P.O. Box 339 Ohsweken ON, N0A 1M0-mail: info@grpseo.org Website: www.grpseo.org Grand River Post Secondary Board Members Brenda Davis (Chair TO TOMORROW Onkwehon:we with Grand River Territory lineage are empowered through higher education within

  11. Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: II. Four new species of Thaparocleidus Jain, 1952 (Ancylodiscoidinae) from Pangasius humeralis.

    PubMed

    Pariselle, A; Lim, L H; Lambert, A

    2001-12-01

    The examination of gills from two rare endemic species of Pangasius Valenciennes, 1840 (Siluriformes, Pangasiidae): P. humeralis Roberts, 1989 (five specimens) and P. lithostoma Roberts, 1989 (six specimens) from the Kapuas River (West Kalimantan province, Bomeo Island, Indonesia) revealed the presence of four new species of Monogenea belonging to the genus Thaparocleidus Jain, 1952 (Monogenea, Ancylodiscoidinae) on P. humeralis: T. sinespinae n. sp., T. brevicochleus n. sp., T. kapuasensis n. sp. and T. gustianoi n. sp., and not any on P. lithostoma. PMID:11802268

  12. Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: X. six new species of Thaparocleidus Jain, 1952 (Ancylodiscoididae) from Pangasius micronema.

    PubMed

    Pariselle, A; Lim, L H S; Lambert, A

    2006-12-01

    The examination of gill parasites from Pangasius micronemao Bleeker, 1847 (Siluriformes, Pangasiidae) in Southeast Asia revealed the presence of nine species of Monogenea. Two (Thoparocleidus brevicochleus Pariselle, Lim & Lambert, 2001 and T. sinespinoe Pariselle, Lim & Lambert, 2001) have been previously described. Among the others, six species, belonging to Thaporocleidus Jain, 1952 (Monogenea, Ancylodiscoididae) as defined by Lim (1996) and Lim et al. (2001), are considered new species: T. tacitus n. sp., T. summagracilis n. sp., T. portentosus n. sp., T rukyonii n. sp., T. durandi n. sp., and T. lebrunce n. sp. The remaining species is represented by too few individuals to be conclusively described. PMID:17285848

  13. Rio Grande project partnerships 

    E-print Network

    Supercinski, Danielle

    2008-01-01

    ://www.crwr.utexas.edu/riogrande.shtml Impacts of biological control of giant reed in the Lower Rio Grande Valley Giant reed, Arundo donax, was introduced to the Rio Grande area in the 1800s. It has since absorbed large quantities of water, greatly increases potential for flood damage...

  14. Distribution and habitat suitability index model for the Andean catfish Astroblepus ubidiai (Pisces: Siluriformes) in Ecuador.

    PubMed

    Vélez-Espino, Luis A

    2006-06-01

    In conservation biology there is a basic need to determine habitat suitability and availability. Astroblepus ubidiai (Siluriforms), the only native fish in the highlands of Imbabura province in the Ecuadorian Andes, was abundant in the past in the Imbakucha watershed and adjacent drainages, but currently it is restricted to a few isolated refuges. Conservation actions are needed if this unique fish is to persist. A Habitat Suitability Index (HSI) for the species has been developed in order to aid management decisions. In this HSI model biomass density (B) was selected as a better indicator of habitat quality than either abundance or density. A population well-being index (PI) was constructed with the combination of B and an indicator of fish health (proportion of fish in the population with parasites and deformities). Based in other models of benthic fish the habitat variables current velocity, flow, depth, width, cover, invertebrate composition, vegetation type, terrestrial vegetation, land use, substrate, temperature, pH, TDS, oxygen, altitude, and slope were included in the analysis. An anthropogenic perturbation index (H) and a fragment isolation index (FII) were developed and included as habitat variables as well. The HSI model was applied to refuges and a sample of 15 aquatic bodies without fish populations within the study region. From the sampled sites without A. ubidiai 26.6% presented low quality, and the remaining 73.3% had medium quality according to the HSI estimated. Good quality habitat for dispersal, escape or translocations is rare in the region. The low HSIs estimated in some of the refuges suggests that current populations are not settled in the most favorable habitat but in the habitat least favorable to the agents of decline. PMID:18494328

  15. Comparative anatomy of the cheek muscles within the Centromochlinae subfamily (Ostariophysi, Siluriformes, Auchenipteridae).

    PubMed

    Sarmento-Soares, Luisa Maria; Porto, Marcovan

    2006-02-01

    Glanidium melanopterum Miranda Ribeiro, a typical representative of the subfamily Centromochlinae (Siluriformes: Auchenipteridae), is herein described myologically and compared to other representative species within the group, Glanidium ribeiroi, G. leopardum, Tatia neivai, T. intermedia, T. creutzbergi, Centromochlus heckelii, and C. existimatus. The structure of seven pairs of striated cephalic muscles was compared anatomically: adductor mandibulae, levator arcus palatini, dilatator operculi, adductor arcus palatini, extensor tentaculi, retractor tentaculi, and levator operculi. We observed broad adductor mandibulae muscles in both Glanidium and Tatia, catfishes with depressed heads and smaller eyes. Similarities between muscles were observed: the presence of a large aponeurotic insertion for the levator arcus palatini muscle; an adductor arcus palatini muscle whose origin spread over the orbitosphenoid, pterosphenoid, and parasphenoid; and the extensor tentaculi muscle broadly attached to the autopalatine. There is no retractor tentaculi muscle in either the Glanidium or Tatia species. On the other hand, in Centromochlus, with forms having large eyes and the tallest head, the adductor mandibulae muscles are slim; there is a thin aponeurotic or muscular insertion for the levator arcus palatini muscle; the adductor arcus palatini muscle originates from a single osseous process, forming a keel on the parasphenoid; the extensor tentaculi muscle is loosely attached to the autopalatine, permitting exclusive rotating and sliding movements between this bone and the maxillary. The retractor tentaculi muscle is connected to the maxilla through a single tendon, so that both extensor and retractor tentaculi muscles contribute to a wide array of movements of the maxillary barbels. A discussion on the differences in autopalatine-maxillary movements among the analyzed groups is given. PMID:16284943

  16. New species and geographical records of dactylogyrids (Monogenea) of catfish (Siluriformes) from the Peruvian Amazonia.

    PubMed

    Mendoza-Palmero, Carlos A; Scholz, Tomáš; Mendoza-Franco, Edgar F; Kuchta, Roman

    2012-06-01

    Three new species of gill monogeneans (Dactylogyridae: Ancyrocephalinae) are described from siluriform catfish from Iquitos, Peru: Demidospermus mortenthaleri n. sp. from Brachyplatystoma juruense (Boulenger), Demidospermus brevicirrus n. sp. from Pimelodus sp., and Aphanoblastella aurorae n. sp. from Goeldiella eques (Müller & Troschel). Demidospermus mortenthaleri is characterized by a male copulatory organ (MCO) with a small loop at its middle portion; 2 types of hooks, of which pairs 5 and 6 are longer than the remaining hooks; a proximal subunit round and highly depressed thumb; and a sclerotized vagina with a round pad at the vaginal aperture. Demidospermus brevicirrus is distinguished from other congeners by the presence of a short, straight, and robust MCO and boot-shaped accessory piece with a hooked projection directed posteriorly. Aphanoblastella aurorae is the only species of the genus that possesses an arrow-shaped sclerotized vagina and a medial process on the dorsal bar. Another 6 dactylogyrids described previously are recorded for the first time from the Peruvian Amazonia: Cosmetocleithrum bulbocirrus Kritsky, Thatcher and Boeger, 1986 ; Vancleaveus fungulus Kritsky, Thatcher and Boeger, 1986 ; V. janauacaensis Kritsky, Thatcher and Boeger, 1986 ; V. platyrhynchi Kritsky, Thatcher and Boeger, 1986 ; Unilatus unilatus Mizelle and Kritsky, 1967 ; and U. brittani Mizelle, Kritsky and Crane, 1968 . Based on observations of specimens collected in the Peruvian Amazonia, new morphological data for these species are provided. Comparison of new specimens of U. unilatus and U. brittani with those of Unilatus brevispinus Suriano, 1985 and Unilatus longispinus Suriano, 1985 , both originally described from Brazil, has shown that they are conspecific. Therefore, the latter species were synonymized with U. unilatus and U. brittani , respectively. In addition, 56 undescribed monogeneans found in catfish from the Peruvian Amazonia, some of them probably belonging to new genera, are listed. PMID:22191552

  17. Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: VII. Six new host-specific species of Thaparocleidus Jain, 1952 (Ancylodiscoididae) from Pangasius polyuranodon.

    PubMed

    Pariselle, A; Lim, L H S; Lambert, A

    2004-12-01

    The examination of gill parasites from Pangasius polyuranodon Bleeker, 1852 (Siluriformes, Pangasiidae) revealed the presence of six new host-specific species of Monogenea, all belonging to Thaparocleidus Jain, 1952 (Monogenea, Ancylodiscoididae) as defined by Lim (1996) and Lim et al. (2001): T. caestus n. sp., T. crassipenis n. sp., T. legendrei n. sp., T. levangi n. sp., T. slembroucki n. sp. and T. virgula n. sp. PMID:15638137

  18. Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: VIII. Four new species of Thaparocleidus Jain, 1952 (Ancylodiscoididae) from Pangasius polyuranodon and P. elongatus.

    PubMed

    Pariselle, A; Lim, L H S; Lambert, A

    2005-03-01

    The examination of gill parasites from Pangasius polyuranodon Bleeker, 1852 and P. elongatus Pouyaud, Gustiano & Teugels, 2002 (Siluriformes, Pangasiidae) in Southeast Asia revealed the presence of four new species of Monogenea all belonging to Thaparocleidus Jain, 1952 (Monogenea, Ancylodiscoididae) as defined by Lim (1996) and Lim et al. (2001): T. furcus n. sp., T. infundibulus n. sp., T. sudartoi n. sp. and T. turbinatio n. sp. PMID:15828578

  19. Grand Antiprism and Quaternions

    E-print Network

    Mehmet Koca; Mudhahir Al-Ajmi; Nazife Ozdes Koca

    2009-08-18

    Vertices of the 4-dimensional semi-regular polytope, the \\textit{grand antiprism} and its symmetry group of order 400 are represented in terms of quaternions with unit norm. It follows from the icosian representation of the \\textbf{$E_{8} $} root system which decomposes into two copies of the root system of $H_{4} $. The symmetry of the \\textit{grand antiprism} is a maximal subgroup of the Coxeter group $W(H_{4})$. It is the group $Aut(H_{2} \\oplus H'_{2})$ which is constructed in terms of 20 quaternionic roots of the Coxeter diagram $H_{2} \\oplus H'_{2}$. The root system of $H_{4} $ represented by the binary icosahedral group \\textit{I}of order 120, constitutes the regular 4D polytope 600-cell. When its 20 quaternionic vertices corresponding to the roots of the diagram $H_{2} \\oplus H'_{2}$ are removed from the vertices of the 600-cell the remaining 100 quaternions constitute the vertices of the\\textit{grand antiprism}. We give a detailed analysis of the construction of the cells of the\\textit{grand antiprism} in terms of quaternions. The dual polytope of the \\textit{grand antiprism} has been also constructed.

  20. Grand Canyon Explorer

    NSDL National Science Digital Library

    Maintained by Bob Ribokas, Grand Canyon Explorer is quite extraordinary for a unaffiliated Web site. Updated regularly, it contains everything from stunning photography and geologic descriptions to information about hiking permits and park trials for users planning a trip. A highlight of the site is the guided tour, which provides descriptions and pictures from the park entrance to the Grand Canyon's spectacular formations like Mohave Point on the South Rim. The author has even provided a downloadable version of the Web site for Pocket PC's and PDA's, enabling users to have all the information at their finger tips when visiting the park.

  1. Grand Staircase-Escalante

    USGS Multimedia Gallery

    A view of Grand Staircase-Escalante National Monument from Rainbow Point in Bryce Canyon National Park. Bryce Canyon is a unique sandstone formation in southern Utah. It is home to a large number of hoodoos, which are oddly shaped pillars of rock that formed due to different erosion rates for the d...

  2. Grand Ole Opry House

    USGS Multimedia Gallery

    Rivers in middle Tennessee crested May 2-3,2010, breaking records at many USGS-operated streamgages.The flood peak on the Cumberland River in downtown Nashville ranks as the highest observed during the past 73 years. Flooding on the Cumberland River damaged the Grand Ole Opry House, Bridgestone Aren...

  3. Grand Opening Celebration

    E-print Network

    Leistikow, Bruce N.

    to announce our NEW Clinical Research Center (CCRC) on the UC Davis Medical Center campus! Tour the spaceGrand Opening Celebration The UC Davis Clinical and Translational Science Center (CTSC) is proud and find out how we can help facilitate your clinical research project. June 9, 2014, 4­6 p.m. Cypress

  4. Grand Old Telescopes

    NASA Astrophysics Data System (ADS)

    Benningfield, Damond

    2002-03-01

    The article recounts the history and work of three grand old telescopes: the 200-inch Hale Telescope at Palomar Observatory, the 82-inch Struve Telescope at McDonald Observatory, and the 100-inch Hooker Telescope at Mount Wilson Observatory outside Los Angeles, California. All three telescopes are available for viewing through public galleries or guided tours.

  5. The Grand Canyon

    NSDL National Science Digital Library

    Brieske, Joel A.

    2002-01-01

    The first site from PBS.org, called Lost in the Canyon (1), offers an excellent online learning experience. Visitors learn about John Wesley Powell's expedition down the Colorado River, covered in transcripts from the companion television show and a timeline of Powell's life. Other features include an interactive lesson on running rapids and a look at the unique geologic history of the area. Next, from StudyWorks! Online comes the lesson entitled Sleuthing at the Grand Canyon: Using Rocks to Tell Us About the Past (2). Through basic descriptions, photographs, and illustrations, students learn how rocks form, how scientists use them to find out about past environments, and much more. The third site is provided by the Grand Canyon Monitoring and Research Center called The Grand Canyon Monitoring and Research Center Fiscal Year 2000-2004 Monitoring and Research Strategic Plan (3). Readers will discover the mission of the center, history of monitoring in the area, management strategies, research activities, and much more. Next is a site offered by Richard S. Naylor of Northeastern University's Department of Geology called Unconformities in the Grand Canyon (4). Visitors will find descriptions and photographs of several sites in the Grand Canyon that exhibit geologic unconformities or surfaces that represent a break in the geologic record. The fifth site is maintained by kaibob.org called the Geology of Grand Canyon (5). This site contains basic information on how the canyon was formed, where all the rock came from, why it looks like it does, and when it all happened. From NASA's Visible Earth Web site comes the 3-D View of Grand Canyon (6) page. The canyon can be viewed in a low or high resolution JPEG format, which shows the surrounding area, part of the Colorado river, and the canyon itself in dynamic colors. Part of Northern Arizona University, the seventh site is entitled Canyons, Culture, and Environmental Change: An Introduction to the Land Use History of the Colorado Plateau (7). The site provides an introduction to the environmental history of the Colorado Plateau and summarizes a vast body of research from multiple disciplines in an easily accessible format. The last site from NOAA's Colorado River Basin Forecast Center is the River Forecasts and Data page (8). Provided are data from various sites along the river that offer a wide range of relevant information such as simulated hydrographs.

  6. The Grand Challenge

    NSDL National Science Digital Library

    VU Bioengineering RET Program, School of Engineering,

    This lesson introduces the MRI Safety Grand Challenge question. Students write journal responses to the question and brainstorm what information they need to know in order to answer the question. Their ideas are shared with the class and recorded. Then students watch a video interview with a real-life researcher to gain a professional perspective on MRI safety and brainstorm for more ideas. Through the associated activity, students visualize magnetic fields.

  7. Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: I. Five new species of Thaparocleidus Jain, 1952 (Ancylodiscoidinae) from Pangasius pangasius, P. kinabatanganensis, P. rheophilus and P. nieuwenhuisii.

    PubMed

    Pariselle, A; Lim, L H; Lambert, A

    2001-06-01

    The examination of gill parasites from Pangasius pangasius (Hamilton, 1822); P. kinabatanganensis Roberts & Vidthayanon, 1991; P. rheophilus Pouyaud & Teugels, 2000 and P. nieuwenhuisii (Popta, 1904) (Siluriformes, Pangasiidae) in Southeast Asia revealed the presence of six species of Thaparocleidus Jain, 1952 (Monogenea, Ancylodiscoidinae). One has been previously described from P. pangasius: T. pangasi (Tripathi, 1957). The other five are new species: T. chandpuri n. sp. from P. pangasius; T. bahari n. sp. and T. sabanensis n. sp. from P. kinabatanganensis; T. redebensis n. sp. from P. rheophilus and T. mahakamensis n. sp. from P. nieuwenhuisii. PMID:11474980

  8. Dynamo models of grand minima

    E-print Network

    Choudhuri, Arnab Rai

    2011-01-01

    Since a universally accepted dynamo model of grand minima does not exist at the present time, we concentrate on the physical processes which may be behind the grand minima. After summarizing the relevant observational data, we make the point that, while the usual sources of irregularities of solar cycles may be sufficient to cause a grand minimum, the solar dynamo has to operate somewhat differently from the normal to bring the Sun out of the grand minimum. We then consider three possible sources of irregularities in the solar dynamo: (i) nonlinear effects; (ii) fluctuations in the poloidal field generation process; (iii) fluctuations in the meridional circulation. We conclude that (i) is unlikely to be the cause behind grand minima, but a combination of (ii) and (iii) may cause them. If fluctuations make the poloidal field fall much below the average or make the meridional circulation significantly weaker, then the Sun may be pushed into a grand minimum.

  9. Requiem for the grand round.

    PubMed

    Stanyon, Maham; Khan, Shahid Anis

    2015-02-01

    The time-honoured tradition of Grand Round is firmly rooted in medical education, but has little evidence for its effectiveness or its impact on patient management. A mode of didactic teaching, Grand Round has lost its appeal in modern medical education with dwindling attendance at Grand Rounds worldwide. Once a platform for eminence-based medicine and a cross fertilisation of medical ideas, emphasis on sub-specialisation and clinical governance, combined with rota, trainee engagement and attendance failures has made Grand Round obsolete. To survive, Grand Round must have evidence for its effectiveness in medical education. It must be able to compete with other forms of teaching and adapt by using technology to reach trainees. Engaging the audience and encouraging participation needs to be woven into the fabric of the modern Grand Round, alongside learning clinical skills and developing clinical reasoning. Understanding the needs of today's trainees and their involvement in formulating the Grand Round programme is vital. Attendance at Grand Round is a recognised measure of its success and will be used in its evaluation. Questions still remain regarding the future of Grand Round. Its survival will depend upon its ability to change with time and reclaim its place as a credible tool to promote learning. PMID:25650190

  10. First description of B chromosomes in the family Auchenipteridae, Parauchenipterus galeatus (Siluriformes) of the São Francisco River basin (MG, Brazil).

    PubMed

    Lui, Roberto Laridondo; Blanco, Daniel Rodrigues; Margarido, Vladimir Pavan; Filho, Orlando Moreira

    2009-01-01

    B chromosomes are considered additional and non-essential; they likely originate from A chromosomes and follow a distinct evolution. In fish, approximately half of the Neotropical species with B chromosomes are Characiformes and 35% are Siluriformes. There has been no report of B chromosomes in Auchenipteridae until this moment. B chromosomes found in a population of Parauchenipterus galeatus from the São Francisco River basin in the state of Minas Gerais (Brazil) were small, metacentric, totally heterochromatic and exhibited intra-individual and inter-individual variation. The diploid number was 58 chromosomes (22 metacentric, 16 submetacentric, 12 subtelocentric and 8 acrocentric). The nucleolar organizing regions were simple and the heterochromatin intercalated in the ribosomal sites, characterized by CMA(3) and DAPI fluorochromes, was of a GC-rich constitution. The 5S rDNA genes were located in an intercalary position in only one chromosome pair. An hypothesis about the origin of the B chromosomes in P. galeatus and a review on B chromosomes in catfish are also presented in this study. PMID:19394233

  11. Metazoan parasites of Conorhynchos conirostris (Valenciennes, 1840) an endemic siluriform fish of the São Francisco basin, Brazil.

    PubMed

    Brasil-Sato, Marilia de C; Dos Santos, Michelle D

    2005-01-01

    Specimens of Conorhynchos conirostris (Valenciennes, 1840) (Osteichthyes: Siluriformes) were collected from the upper São Francisco River (18 degrees 12'32''S, 45 degrees 15'41''W) in the municipality of Três Marias, Minas Gerais, Brazil, to investigate their parasitofauna. Of the 24 pirá fish collected, 8 were male (33.3%) and 16 were female (66.7%). Of this total, 12 were parasitized (50%). Nine species of parasites were found: Helobdella sp., Creptotrema creptotrema Travassos, Artigas & Pereira, 1928; Palaeocryptogonimus claviformis Szidat, 1954; metacercariae of Clinostomum sp. and of Austrodiplostomum compactum (Lutz 1928); Procamallanus (Spirocamallanus) sp. (young specimen); larvae of Anisakidae and Rhabdochona sp.; and Neoechinorhynchus sp. (young specimen). Helobdella sp. had the highest prevalence, followed by C. creptotrema (most abundant) and P. claviformis. Creptotrema creptotrema was dominant species in the parasite community of C. conirostris. There was no influence of the host size and sex on the prevalence and abundance of parasites, with P. claviformis being found only in male hosts. With the exception of Procamallanus (Spirocamallanus) sp., this was the first record of these parasites in C. conirostris. PMID:16445873

  12. A new genus and species of proteocephalidean tapeworm (Cestoda) from Pangasius larnaudii (Siluriformes: Pangasiidae) in Southeast Asia.

    PubMed

    Scholz, Tomáš; de Chambrier, Alain

    2012-06-01

    A new proteocephalidean cestode is described from spot pangasius, Pangasius larnaudii (Siluriformes: Pangasiidae), from Tonle Sap Lake in Cambodia and a new genus, Pangasiocestus , is proposed to accommodate it. The genus is placed in the Gangesiinae because its scolex possesses a large rostellum-like apical organ and its genital organs (testes, ovary, vitellarium, and uterus) are situated in the medulla, with some vitelline follicles paramuscular. Pangasiocestus romani n. gen. and n. sp., the type and only species of the new genus, is characterized mainly by its rosette-like scolex composed of 4 lobes bearing a small sucker in their center, and the apical part with a large, discoidal, rostellum-like apical organ devoid of hooks, by weakly developed inner longitudinal musculature formed by very few isolated muscle fibers, uneven size of testes in immature and mature proglottids, with lateral testes smaller and more dense than median ones, by very narrow lateral bands of vitelline follicles, formed usually by single follicles, and by the vagina anterior to the cirrus sac. This is the first proteocephalidean cestode from a pangasiid catfish identified to the species level (proteocephalidean cestodes from 3 Pangasius spp. reported in an unpublished account from Vietnam, misidentified as Proteocephalus osculatus (Goeze, 1782) [?=? Glanitaenia osculata ], are not considered). PMID:22257242

  13. Grand Challenges For Engineering

    NSDL National Science Digital Library

    Where will the next great ideas in engineering come from? What will they be? These are but a few of the excellent and thoughtful questions being asked as part of the Grand Challenges For Engineering initiative. Sponsored by the National Academy of Engineering (NAE), this website is part of their effort to solicit opinions on this material from engineering experts and members of the scientific community. Visitors to the site can learn about members of the initiative's committee and also learn about some of the innovations that the panel is already thinking about, such as the challenges of landing on Mars. In the "Hopes" section, visitors can read several essays, including one from President Jimmy Carter on his own thoughts on future challenges in this area of human endeavor. It is also worth noting that visitors can offer their own opinions on all of the material here, and that comments are moderated along the way.

  14. The Grand Canyon

    NSDL National Science Digital Library

    This lesson plan is part of the DiscoverySchool.com lesson plan library for grades 6-8. It focuses on the ecology of the Grand Canyon area. Students act as scientists investigating the damming of the Colorado River by the Glen Canyon dam and experimental flooding that took place in 1996. They then write a proposal as to whether or not more experimental flooding should be done on the area considering the ecological effects. It includes objectives, materials, procedures, discussion questions, evaluation ideas, extensions, suggested readings, and vocabulary. There are videos available to order which complement this lesson, an audio-enhanced vocabulary list, and links to teaching tools for making custom quizzes, worksheets, puzzles and lesson plans.

  15. Grand challenges of information fusion

    Microsoft Academic Search

    Dale A. Lambert

    2003-01-01

    The paper presents the Future Operations Centre Analysis Laboratory data34sion system, composed of both people and machines, A WDL revision of the JDL model of data fusion is proposed for this data fusion system. This leads to the identification of a number of grand challenges of information fusion. The Future Operations Centre Analysis Laboratory programme approach to these grand challenges

  16. 77 FR 11575 - Notice of Inventory Completion: Grand Rapids Public Museum, Grand Rapids, MI

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-02-27

    ...Inventory Completion: Grand Rapids Public Museum, Grand Rapids, MI AGENCY: National...SUMMARY: The Grand Rapids Public Museum has completed an inventory of human remains...objects may contact the Grand Rapids Public Museum. Repatriation of the human remains...

  17. 78 FR 11678 - Notice of Inventory Completion: Grand Rapids Public Museum, Grand Rapids, MI

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-02-19

    ...Inventory Completion: Grand Rapids Public Museum, Grand Rapids, MI AGENCY: National...SUMMARY: The Grand Rapids Public Museum has completed an inventory of human remains...objects may contact the Grand Rapids Public Museum. Repatriation of the human remains...

  18. Title: Grand River Information Network Data Creator /

    E-print Network

    Title: Grand River Information Network Data Creator / Copyright Owner: Grand River Conservation Authority Publisher: Grand River Conservation Authority Edition: N/A Versions: Previous versions (2004, 2006, Forests, Ecoregions, Forest Management, Railroads, Hydro Lines, Roads, Wetlands, Parks #12;Restrictions

  19. Grand Quantum Gravitation

    NASA Astrophysics Data System (ADS)

    Kotas, Ronald R.

    1997-11-01

    Gravity is not a constant force, but is an averaged electromagnetic type of force. This concept presents that gravity is a quntum, alternating, periodic, electromagnetic type of force which is a property of all matter. Matter is to a degree, part of time, periodic phase synchronous with other matter partially in the orbiting, electron structure and in the nucleus of the atoms, quantumly coupled to the atomic nucleus, and that the greater the amount of matter, the greater degree of quantum, alternating, perioditized, phase synchronization which collects, forms domains, adds, dynamically reacts together to form gravity. This may be viewed as an alternating, electromagnetic TEM or non TEM static type of force, which couples electromagnetically and has domain properties, with different types of mass. The force in space propagates with the speed of light, or greater, and obeys electromagnetic Maxwell Newtonian physical rules. The gravitational force in space is proportional to the amount of matter and inversely proportional to the distance from other matter. Gravity is the property of matter and may be understood by this alternating, synchronous, periodic, dynamic, nuclear domain, angular phase - property of matter - Grand Quantum Gravitation within matter and coupled to other matter according to Newton's laws and their quantum extensions and integrations.

  20. DARPA Grand Challenge 2005

    NSDL National Science Digital Library

    The Defense Advanced Research Projects Agency (DARPA), the central research and development organization for the Department of Defense (DoD), sponsors the annual DARPA Grand Challenge (first reported on in the August 1, 2003, NSDL Scout Report for Math, Engineering, and Technology), which is "a field test intended to accelerate research and development in autonomous ground vehicles that will help save American lives on the battlefield." Individuals and organizations from industry, the R&D community, government, the armed services, academia, students, backyard inventors, and automotive enthusiasts are invited to enter the challenge. The news release posted on this website on June 6, 2005, announces the 40 semifinalists selected to advance to the National Qualification Event, which will be held September 27 through October 6, 2005 in Fontana, Calif. The team that develops an autonomous ground vehicle that is the first to finish the designated route within 10 hours wins $2 million. When the race was first held in 2003, the most successful team managed to cover only 7.4 miles of the desert terrain featuring natural and man-made obstacles. A related website describing the Autonomous Vehicle Practice Facility of the US Department of Defense Joint Robotics Program (JRP) was still under construction at the time of this report.

  1. Grand Canyon Explorer: The Geology of the Grand Canyon

    NSDL National Science Digital Library

    Bob Ribokas

    This site provides an overview of how the Grand Canyon was formed. Concepts discussed include erosion by water, ice and wind, continental drift, and deposition. A photo gallery and stratigraphic figures support the text.

  2. 1996 Grand Canyon Flood Analysis

    NSDL National Science Digital Library

    Mark Manone

    Mark Manone, Northern Arizona University Summary Analyze the effect of a 1996 controlled flood on a sandbar in Grand Canyon. This exercise uses Spatial Analyst and 3D Analyst Context Type and level of course ...

  3. Savings Along the Rio Grande

    E-print Network

    Supercinski, Danielle

    2007-01-01

    years. Texas and New Mexico Agricultural Experiment Station researchers and Cooperative Extension specialists and agents have tackled these issues and their achievements were reported in the Rio Grande Basin Initiative (RGBI) 2006?2007 Progress... the conditions, water losses and potential Story by Danielle Supercinski Savings Along the Rio Grande 2006-2007 RGBI accomplishment report published tx H2O | pg. 23 water savings in irrigation canals. Irrigation districts have saved from 290 to 6,500 acre...

  4. Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: III. Five new species of Thaparocleidus Jain, 1952 (Ancylodiscoididae) from Pangasius bocourti, P. djambal and P. hypophthalmus.

    PubMed

    Pariselle, A; Lim, L H S; Lambert, A

    2002-09-01

    The examination of gill parasites from Pangasius bocourti Sauvage, 1880; P. djambal Bleeker, 1846; P. hypophthalmus (Sauvage, 1878) and P. gigas Chevey, 1930 (Siluriformes, Pangasiidae) revealed the presence of seven species of Monogenea among which five are considered new species. They all belong to Thaparocleidus Jain, 1952 (Ancylodiscoididae) as defined by Lim (1996) and Lim et al. (2001). P. bocourti: T. combesi n. sp., T. komarudini n. sp. and T. vietnamensis n. sp. P. djambal: T. caecus (Mizelle & Kritsky, 1969), T. combesi n. sp., T. euzeti n. sp., T. komarudini n. sp. and T. sadilii n. sp. P. hypophthalmus: T. caecus, T. siamensis (Lim, 1990) and T. vietnamensis n. sp. P. gigas: no Monogenea were found on this host species. PMID:12375363

  5. SU(6) grand unified model

    SciTech Connect

    Dong, J.X.

    1986-03-14

    A model of grand unified theory based on SU(6) gauge group is proposed. It can accommodate two generations of ordinary fermions with V-A weak coupling and two generations of weird fermions with V+A weak coupling. In this model, a new discrete symmetry is introduced that insures existence of fermions with lower masses when SU(6) gauge symmetry is spontaneously broken. Simple Higgs fields with appropriate vacuum expectation values are chosen, so that the masses of weird fermions are heavier than those of ordinary fermions. This model also gives the same value of Weinberg angle, sin sq of Theta/sub w/ = 3/8, as in the usual SU(5) grand unified model at the grand unified scale.

  6. Grand Prize and Citation Winners.

    ERIC Educational Resources Information Center

    Learning By Design, 2003

    2003-01-01

    Describes the urban playground redesign and the high school with flexible classroom space that were named Grand Prize Winners of the 2003 "Learning by Design" contest. Also describes the elementary school in an economically depressed area and the renovation of a 1912 high school chosen as Citation Winners. (EV)

  7. Designing a Virtual Grand Tour

    ERIC Educational Resources Information Center

    Hansen, Per Skafte

    2004-01-01

    The Virtual Grand Tour (VGT) is a paradigm for integrating a presentation of an overview of a larger subject with the possibility of launching at any time an exploratory study of a given sub-topic. The name derives from the paradigm's emulation of those 18th-century travels intended to educate (especially) young, affluent British men; today, with…

  8. RESEAUX CAUSAUX PROBABILISTES A GRANDE

    E-print Network

    Paris-Sud XI, Université de

    par l'étude des relations entre les structures cérébrales et les fonctions cognitives qu neurologique des fonctions cognitives est constitué de réseaux à grande échelle d'aires corticales et de fonctionnelle, des données sur l'activité cérébrale pendant l'accomplissement d'une tâche cognitive, visent à

  9. Grand Rounds Department of Neurology

    E-print Network

    Brody, James P.

    Grand Rounds Department of Neurology Neurology Lecture Series Targeting neural plasticity to treat neurological disease Mike Kilgard, PhD Margaret Fonde Jonsson Professor School of Behavioral and Brain Sciences on the latest clin- ical information in neurology. Accreditation Statement: The University of California, Irvine

  10. Grand Rip and Grand Bang/Crunch cosmological singularities

    E-print Network

    L. Fernández-Jambrina

    2015-01-26

    The present accelerated expansion of the universe has enriched the list of possible scenarios for its fate, singular or not. In this paper a unifying framework for analyzing such behaviors is proposed, based on generalized power and asymptotic expansions of the barotropic index $w$, or equivalently of the deceleration parameter $q$, in terms of the time coordinate. Besides well known singular and non-singular future behaviors, other types of strong singularities appear around the phantom divide in flat models, with features similar to those of big rip or big bang/crunch, which we have dubbed grand rip and grand bang/crunch respectively, since energy density and pressure diverge faster than $t^{-2}$ in coordinate time. In addition to this, the scale factor does not admit convergent generalized power series around these singularities with a finite number of terms with negative powers.

  11. Grand rip and grand bang/crunch cosmological singularities

    NASA Astrophysics Data System (ADS)

    Fernández-Jambrina, L.

    2014-09-01

    The present accelerated expansion of the Universe has enriched the list of possible scenarios for its fate, singular or not. In this paper a unifying framework for analyzing such behaviors is proposed, based on generalized power and asymptotic expansions of the barotropic index w, or equivalently of the deceleration parameter q, in terms of the time coordinate. Besides well-known singular and nonsingular future behaviors, other types of strong singularities appear around the phantom divide in flat models, with features similar to those of big rip or big bang/crunch, which we have dubbed "grand rip" and "grand bang/crunch," respectively, since energy density and pressure diverge faster than t-2 in coordinate time. In addition to this, the scale factor does not admit convergent generalized power series around these singularities with a finite number of terms with negative powers.

  12. Grand Canyon: The Hidden Secrets

    NSDL National Science Digital Library

    Summertime means vacations for many people, and for many of these sojourning to the American Southwest, this may mean a trip to the brilliance that is the Grand Canyon in northern Arizona. The people at National Geographic certainly know this area quite well, as they have sponsored a number of research expeditions there over the past century or so. Designed as a way to publicize the film that the organization plays at their canyon visitor center, this site contains a number of helpful features for those persons who may be visiting the canyon. First, visitors will want to look at the interactive map of the South Rim offered here. The map allows visitors to learn about selected features of the area, such as the famous bald eagles, the various outlooks, and the plants indigenous to the region. The site also includes a section for young people, a number of free screensavers and wallpapers, along with a travel guide to visiting the Grand Canyon.

  13. Results from KASCADE-Grande

    NASA Astrophysics Data System (ADS)

    Bertaina, M.; Apel, W. D.; Arteaga-Velázquez, J. C.; Bekk, K.; Blümer, J.; Bozdog, H.; Brancus, I. M.; Buchholz, P.; Cantoni, E.; Chiavassa, A.; Cossavella, F.; Daumiller, K.; de Souza, V.; Di Pierro, F.; Doll, P.; Engel, R.; Engler, J.; Finger, M.; Fuhrmann, D.; Ghia, P. L.; Gils, H. J.; Glasstetter, R.; Grupen, C.; Haungs, A.; Heck, D.; Hörandel, J. R.; Huber, D.; Huege, T.; Isar, P. G.; Kampert, K.-H.; Kang, D.; Klages, H. O.; Link, K.; ?uczak, P.; Ludwig, M.; Mathes, H. J.; Mayer, H. J.; Melissas, M.; Milke, J.; Mitrica, B.; Morello, C.; Navarra, G.; Oehlschläger, J.; Ostapchenko, S.; Over, S.; Palmieri, N.; Petcu, M.; Pierog, T.; Rebel, H.; Roth, M.; Schieler, H.; Schröder, F. G.; Sima, O.; Toma, G.; Trinchero, G. C.; Ulrich, H.; Weindl, A.; Wochele, J.; Wommer, M.; Zabierowski, J.

    2012-11-01

    The KASCADE-Grande experiment, located at Karlsruhe Institute of Technology (Germany) is a multi-component extensive air-shower experiment devoted to the study of cosmic rays and their interactions at primary energies 1014-1018 eV. Main goals of the experiment are the measurement of the all-particle energy spectrum and mass composition in the 1016-1018 eV range by sampling charged (Nch) and muon (N?) components of the air shower. The method to derive the energy spectrum and its uncertainties, as well as the implications of the obtained result, is discussed. An overview of the analyses performed by KASCADE-Grande to derive the mass composition of the measured high-energy comic rays is presented as well.

  14. Winning the DARPA Grand Challenge

    Microsoft Academic Search

    Sebastian Thrun

    2006-01-01

    The DARPA Grand Challenge has been the most significant challenge to the mobile robotics community in more than a decade.\\u000a The challenge was to build an autonomous robot capable of traversing 132 miles of unrehearsed desert terrain in less than\\u000a 10 hours. In 2004, the best robot only made 7.3 miles. In 2005, Stanford won the challenge and the $2M

  15. The KASCADE-Grande experiment

    Microsoft Academic Search

    W. D. Apela; J. C. Arteaga; A. F. Badea; K. Bekk; M. Bertaina; J. Blümer; H. Bozdog; I. M. Brancus; P. Buchholz; E. Cantoni; A. Chiavassa; F. Cossavella; K. Daumiller; V. de Souza; F. Di Pierro; P. Doll; R. Engel; J. Engler; M. Finger; D. Fuhrmann; P. L. Ghia; H. J. Gils; R. Glasstetter; C. Grupen; A. Haungs; D. Heck; J. R. Hörandel; T. Huege; P. G. Isar; K.-H. Kampert; D. Kang; D. Kickelbick; H. O. Klages; K. Link; P. ?uczak; M. Ludwig; H. J. Mathes; H. J. Mayer; M. Melissas; J. Milke; B. Mitrica; C. Morello; G. Navarra; S. Nehls; J. Oehlschläger; S. Ostapchenko; S. Over; N. Palmieri; M. Petcu; T. Pierog; H. Rebel; M. Roth; H. Schieler; F. Schröder; O. Sima; M. Stümpert; G. Toma; G. C. Trinchero; H. Ulrich; A. Weindl; J. Wochele; M. Wommer; J. Zabierowski

    2010-01-01

    KASCADE-Grande is the enlargement of the KASCADE extensive air shower detector, realized to expand the cosmic ray studies from the previous 1014–1017eV primary energy range to 1018eV. This is performed by extending the area covered by the KASCADE electromagnetic array from 200×200 to 700×700m2 by means of 37 scintillator detector stations of 10m2 area each. This new array is named

  16. GRAND DITCH VIEW, FROM FARVIEW CURVE OVERLOOK, VIEWING WEST. DITCH ...

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

    GRAND DITCH VIEW, FROM FARVIEW CURVE OVERLOOK, VIEWING WEST. DITCH IS INDICATED BY HORIZONTAL LINE NEAR TOP OF CLOUD COVERED PEAKS - Grand Ditch, Baker Creek to LaPoudre Pass Creek, Grand Lake, Grand County, CO

  17. 78 FR 11680 - Notice of Intent To Repatriate Cultural Items: Grand Rapids Public Museum, Grand Rapids, MI

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-02-19

    ...Repatriate Cultural Items: Grand Rapids Public Museum, Grand Rapids, MI AGENCY: National...SUMMARY: The Grand Rapids Public Museum, in consultation with the appropriate...items may contact the Grand Rapids Public Museum. DATES: Representatives of any...

  18. Grand Challenges of Enterprise Integration

    SciTech Connect

    Brosey, W.D; Neal, R.E.; Marks, D.

    2001-04-01

    Enterprise Integration connects and combines people, processes, systems, and technologies to ensure that the right people and the right processes have the right information and the right resources at the right time. A consensus roadmap for Technologies for Enterprise Integration was created as part of an industry/government/academia partnership in the Integrated Manufacturing Technology Initiative (IMTI). Two of the grand challenges identified by the roadmapping effort will be addressed here--Customer Responsive Enterprises and Totally Connected Enterprises. Each of these challenges is briefly discussed as to the current state of industry and the future vision as developed in the roadmap.

  19. Macon-Tolar Grande site

    NASA Astrophysics Data System (ADS)

    Recabarren, P.; Muriel, H.; García Lambas, D.; Vrech, R.; Renzi, V.; Stasyszyn, F.

    We show results of the characterization of the Tolar Grande-Macon Range site in the North-West of Argentina. This project is being developed by the IATE Group of Córdoba Observatory in collaboration with ESO in the framework of the E-ELT project. We present and discuss one year of image quality measurements with MASS and DIMM, three years of meteorological data and detailed studies of seismic activity and geo-technical aspects as well as diverse logistic issues. FULL TEXT IN SPANISH

  20. Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: IV. Five new species of Thaparocleidus Jain, 1952 (Ancylodiscoididae) from Pangasius krempfi, P. kunyit, P. mekongensis and P. sabahensis.

    PubMed

    Pariselle, A; Lim, L H S; Lambert, A

    2002-12-01

    The examination of gill parasites from Pangasius krempfi Roberts & Vidthayanon, 1991; P. kunyit Pouyaud et al., 1999; P. mekongensis Gustiano et al., in press and P. sabahensis Gustiano et al., in press (Siluriformes, Pangasiidae) in Southeast Asia revealed the presence of six species of Monogenea, all belonging to the genus Thaparocleidus Jain, 1952 (Monogenea, Ancylodiscoididae) as defined by Lim (1996) and Lim et al. (2001). One has been previously described (T. vietnamensis Pariselle et al., 2002), five are considered as new species: T. humerus n. sp. and T. culter n. sp. on P. kunyit; T. mehurus n. sp. and T. culteroides n. sp. on P. sabahensis; and T. phuongi n. sp. on the four studied host species. The latter one, due to slight morphometric differences linked to geographical origin of hosts, is described as made up of three sub-species: T. phuongi phuongi n. sub-sp., T. phuongi malaysiensis n. sub-sp. and T. phuongi indonesiensis n. sub-sp. PMID:12514945

  1. A large-scale phylogeny of Synodontis (Mochokidae, Siluriformes) reveals the influence of geological events on continental diversity during the Cenozoic.

    PubMed

    Pinton, Aurélie; Agnèse, Jean-François; Paugy, Didier; Otero, Olga

    2013-03-01

    To explain the spatial variability of fish taxa at a large scale, two alternative proposals are usually evoked. In recent years, the debate has centred on the relative roles of present and historical processes in shaping biodiversity patterns. In Africa, attempts to understand the processes that determine the large scale distribution of fishes and exploration of historical contingencies have been under-investigated given that most of the phylogenetic studies focus on the history of the Great Lakes. Here, we explore phylogeographic events in the evolutionary history of Synodontis (Mohokidae, Siluriformes) over Africa during the Cenozoic focusing on the putative role of historical processes. We discuss how known geological events together with hydrographical changes contributed to shape Synodontis biogeographical history. Synodontis was chosen on the basis of its high diversity and distribution in Africa: it consists of approximately 120 species that are widely distributed in all hydrographic basins except the Maghreb and South Africa. We propose the most comprehensive phylogeny of this catfish genus. Our results provide support for the 'hydrogeological' hypothesis, which proposes that palaeohydrological changes linked with the geological context may have been the cause of diversification of freshwater fish deep in the Tertiary. More precisely, the two main geological structures that participated to shape the hydrographical network in Africa, namely the Central African Shear zone and the East African rift system, appear as strong drivers of Synodontis diversification and evolution. PMID:23274216

  2. Perinatal outcome in grand and great-grand multiparity: Effects of parity on obstetric risk factors

    Microsoft Academic Search

    Agota Babinszki; Thomas Kerenyi; Olga Torok; Victor Grazi; Robert H. Lapinski; Richard L. Berkowitz

    1999-01-01

    Objective: We sought to compare obstetric and neonatal complications among great-grand multiparous, grand multiparous, and multiparous women. Study Design: One hundred thirty-three great-grand multiparas, 314 grand multiparas, and 2195 multiparas who were delivered of their infants between 1988 and 1998 were selected for the study. To facilitate comparison, the patients were all >35 years old and had similar socioeconomic characteristics.

  3. Grand unification of neutron stars

    PubMed Central

    Kaspi, Victoria M.

    2010-01-01

    The last decade has shown us that the observational properties of neutron stars are remarkably diverse. From magnetars to rotating radio transients, from radio pulsars to isolated neutron stars, from central compact objects to millisecond pulsars, observational manifestations of neutron stars are surprisingly varied, with most properties totally unpredicted. The challenge is to establish an overarching physical theory of neutron stars and their birth properties that can explain this great diversity. Here I survey the disparate neutron stars classes, describe their properties, and highlight results made possible by the Chandra X-Ray Observatory, in celebration of its 10th anniversary. Finally, I describe the current status of efforts at physical “grand unification” of this wealth of observational phenomena, and comment on possibilities for Chandra’s next decade in this field. PMID:20404205

  4. American Experience: Grand Coulee Dam

    NSDL National Science Digital Library

    2012-04-27

    Among many great national achievements during the Great Depression, the Grand Coulee Dam remains one of the most impressive. This fine website from the American Experience program complements a documentary that was first aired on PBS in 2012. The construction of this dam would, in the worlds of President Franklin Roosevelt, be part of a "planned promised land" that would transform the lives of farm families. The site includes a great interactive timeline, a photo gallery, and a short preview of the entire film. Additionally, the site includes two nice bonus videos, including one that deals with the processes of closing the spillway. The blog on the site includes several interesting posts on the history of the dam. Also, visitors have the opportunity to share their own stories about their own favorite iconic structures in the United States.

  5. Hyacinths Choke the Rio Grande

    NASA Technical Reports Server (NTRS)

    2002-01-01

    These images acquired by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER), flying aboard NASA's Terra satellite, demonstrate the potential of satellite-based remote sensors to monitor infestations of non-native plant species. These images show the vigorous growth of water hyacinths along a stretch of the Rio Grande River in Texas. The infestation had grown so dense in some places it was impeding the flow of water and rendered the river impassible for boats. The hyacinth is an aquatic weed native to South America. The plant is exotic looking and, when it blooms, the hyacinth produces a pretty purple flower, which is why it was introduced into North America. However, it has the capacity to grow and spread at astonishing rates so that in the wild it can completely clog the flow of rivers and waterways in a matter of days or weeks. The top image was acquired on March 30, 2002, and the bottom image on May 9, 2002. In the near-infrared region of the spectrum, photosynthetically-active vegetation is highly reflective. Consequently, vegetation appears bright to the near-infrared sensors aboard ASTER; and water, which absorbs near-infrared radiation, appears dark. In these false-color images produced from the sensor data, healthy vegetation is shown as bright red while water is blue or black. Notice a water hyacinth infestation is already apparent on March 30 near the center of the image. By May 9, the hyacinth population has exploded to cover more than half the river in the scene. Satellite-based remote sensors can enable scientists to monitor large areas of infestation like this one rather quickly and efficiently, which is particularly useful for regions that are difficult to reach from on the ground. (For more details, click to read Showdown in the Rio Grande.) Images courtesy Terrametrics; Data provided by the ASTER Science Team

  6. View of upstream face of the forebay dam of Grand ...

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

    View of upstream face of the forebay dam of Grand Coulee Dam, looking west. Construction of the forebay dam, which replaced the eastern end of the original Grand Coulee Dam, was completed in 1974. - Columbia Basin Project, Grand Coulee Dam & Franklin D. Roosevelt Lake, Across Columbia River, Southeast of Town of Grand Coulee, Grand Coulee, Grant County, WA

  7. Traffic management for Detroit Grand Prix 1988

    SciTech Connect

    Aggarwal, G.C.; Kobran, M.F. (Detroit Dept. of Transportation (US))

    1989-09-01

    This paper highlights the major traffic issues that have been experienced due to Grand Prix races in downtown Detroit and indicates measures that have been taken to deal with these issues. The authors discuss how the specifics of the Detroit Grand Prix are unique but some basic experiences of this event can be applied to other special events.

  8. FOI and Fire at the MGM Grand.

    ERIC Educational Resources Information Center

    Thompson, William N.; Marie, Janice

    The fire at the MGM Grand Hotel in Las Vegas, Nevada, brought to light a lack of compliance with the freedom of information philosophy and its supporting statutes. Freedom of information means circulation of important information. However, at the Grand Hotel, the hotel staff had not been properly trained in disaster procedures, the escape…

  9. Grand Canonical Molecular Dynamics Sharada Boinepalli

    E-print Network

    Attard, Phil

    Grand Canonical Molecular Dynamics Sharada Boinepalli CSSM, University of Adelaide, SA 5005. Phys., 119, 12769­12775 (2003)) A hybrid molecular dynamics-Monte Carlo grand canonical simulation of solids, liquids or gases can be simu- lated at the molecular level in two ways, viz., molecular dynamics

  10. LOWER RIO GRANDE VALLEY TPDES STORMWATER ORGANIZATION

    E-print Network

    BYLAWS OF LOWER RIO GRANDE VALLEY TPDES STORMWATER TASK FORCE of the entity is Lower Rio Grande Valley TPDES Stormwater Task Force (Task Force). The official acronym), to develop and to maintain a website, and to assist the membership in developing stormwater management plans

  11. ACCS AUX ESPACES COMMUNS ET GRANDES STRATGIES

    E-print Network

    Paris-Sud XI, Université de

    #12;ACCÈS AUX ESPACES COMMUNS ET GRANDES STRATÉGIES : VERS UN NOUVEAU JEU MONDIAL par Frédéric Ramel SCIENCES PO, CERI #12;ACCÈS AUX ESPACES COMMUNS ET GRANDES STRATÉGIES: VERS UN NOUVEAU JEU MONDIAL ARABES UNIS 9- ÉTUDIER LE RENSEIGNEMENT : ÉTAT DE L'ART ET PERSPECTIVES DE RECHERCHE 10- ENQUÊTE SUR LES

  12. Mini Grand Challenge Contest for Robot Education

    Microsoft Academic Search

    Robert Avanzato

    The Mini Grand Challenge outdoor robot design contest was developed at the Penn State Abington campus to promote advances in robot education and technology. Partly inspired by the DARPA Grand Challenge, ground robots must navigate unmarked pathways on a suburban college campus and reach waypoint goals. Robots must also interact and entertain spectators during travel along the designated route. The

  13. 33 CFR 117.285 - Grand Canal.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ...Waters 1 2011-07-01 2011-07-01 false Grand Canal. 117.285 Section 117.285 Navigation and Navigable...REGULATIONS Specific Requirements Florida § 117.285 Grand Canal. (a) The draw of the Lansing Island bridge,...

  14. 33 CFR 117.285 - Grand Canal.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ...Waters 1 2013-07-01 2013-07-01 false Grand Canal. 117.285 Section 117.285 Navigation and Navigable...REGULATIONS Specific Requirements Florida § 117.285 Grand Canal. (a) The draw of the Lansing Island bridge,...

  15. 33 CFR 117.285 - Grand Canal.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ...Waters 1 2012-07-01 2012-07-01 false Grand Canal. 117.285 Section 117.285 Navigation and Navigable...REGULATIONS Specific Requirements Florida § 117.285 Grand Canal. (a) The draw of the Lansing Island bridge,...

  16. 33 CFR 117.285 - Grand Canal.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ...Waters 1 2010-07-01 2010-07-01 false Grand Canal. 117.285 Section 117.285 Navigation and Navigable...REGULATIONS Specific Requirements Florida § 117.285 Grand Canal. (a) The draw of the Lansing Island bridge,...

  17. 33 CFR 117.285 - Grand Canal.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ...Waters 1 2014-07-01 2014-07-01 false Grand Canal. 117.285 Section 117.285 Navigation and Navigable...REGULATIONS Specific Requirements Florida § 117.285 Grand Canal. (a) The draw of the Lansing Island bridge,...

  18. Distribution of Rio Grande Cutthroat Trout and its co-occurrence with the Rio Grande Sucker and

    E-print Network

    Distribution of Rio Grande Cutthroat Trout and its co-occurrence with the Rio Grande Sucker and Rio-occurrence with two native Rio Grande sucker and Rio Grande Chub. The Rio Grande sucker IS as endangered by the state of Colorado. The native cutthroat was found to co-occur with the native sucker in Tusas Creek on the Carson

  19. Grand unification through gravitational effects

    SciTech Connect

    Calmet, Xavier [Physics and Astronomy, University of Sussex, Falmer, Brighton, BN1 9QH (United Kingdom); Hsu, Stephen D. H.; Reeb, David [Institute of Theoretical Science, University of Oregon, Eugene, Oregon 97403 (United States)

    2010-02-01

    We systematically study the unification of gauge couplings in the presence of (one or more) effective dimension-5 operators cHG{sub {mu}{nu}G}{sup {mu}{nu}/}4M{sub pl}, induced into the grand unified theory by gravitational interactions at the Planck scale. These operators alter the usual condition for gauge-coupling unification, which can, depending on the Higgs content H and vacuum expectation value, result in unification at scales M{sub X} significantly different than naively expected. We find nonsupersymmetric models of SU(5) and SO(10) unification, with natural Wilson coefficients c, that easily satisfy the constraints from proton decay. Furthermore, gauge-coupling unification at scales as high as the Planck scale seems feasible, possibly hinting at simultaneous unification of gauge and gravitational interactions. In the Appendix we work out the group theoretical aspects of this scenario for SU(5) and SO(10) unified groups in detail; this material is also relevant in the analysis of nonuniversal gaugino masses obtained from supergravity.

  20. Supersymmetry and Supergravity: Phenomenology and Grand Unification

    E-print Network

    R. Arnowitt; Pran Nath

    1993-09-16

    A survey is given of supersymmetry and supergravity and their phenomenology. Some of the topics discussed are the basic ideas of global supersymmetry, the minimal supersymmetric Standard Model (MSSM) and its phenomenology, the basic ideas of local supersymmetry (supergravity), grand unification, supersymmetry breaking in supergravity grand unified models, radiative breaking of $SU(2) \\times U(1)$, proton decay, cosmological constraints, and predictions of supergravity grand unified models. While the number of detailed derivations are necessarily limited, a sufficient number of results are given so that a reader can get a working knowledge of this field.

  1. Supersymmetry and supergravity: Phenomenology and grand unification

    SciTech Connect

    Arnowitt, R. [Texas A& M Univ., College Station, TX (United States)]|[Superconducting Super Collider Lab., Dallas, TX (United States); Nath, P. [Northeastern Univ., Boston, MA (United States). Dept. of Physics

    1993-12-31

    A survey is given of supersymmetry and supergravity and their phenomenology. Some of the topics discussed are the basic ideas of global supersymmetry, the minimal supersymmetric Standard Model (MSSM) and its phenomenology, the basic ideas of local supersymmetry (supergravity), grand unification, supersymmetry breaking in supergravity grand unified models, radiative breaking of SU(2) {times} U(1), proton decay, cosmological constraints, and predictions of supergravity grand unified models. While the number of detailed derivations are necessarily limited, a sufficient number of results are given so that a reader can get a working knowledge of this field.

  2. Department of Neurological Surgery Grand Rounds

    E-print Network

    George, Steven C.

    2107 Statement of Need: Grand rounds in Neurosurgery have been designed to keep neurosurgeons and other of Neurosurgery. 2. Review updated practice guidelines from the various oversite organizations surgical techniques relevant to Neurosurgery. 4. Maintain continuing education for those required

  3. Plio-pleistocene pumice floods in the ancestral Rio Grande, southern Rio Grande rift, USA

    Microsoft Academic Search

    Greg H. Mack; William C. McIntosh; Michael R. Leeder; H. Curtis Monger

    1996-01-01

    At least four times during the late Pliocene and early Pleistocene pyroclastic eruptions in the Jemez volcanic field, northern Rio Grande rift, flooded the ancestral Rio Grande with gravel-sized pumice. Following as much as 400 km of fluvial transport, the pumice was deposited in beds 0.2 to 2.0 m thick in the Camp Rice Formation of the southern Rio Grande

  4. Grand Prix 2010 Fondation de la Maison de la Chimie

    E-print Network

    van Tiggelen, Bart

    Invitation Grand Prix 2010 de la Fondation de la Maison de la Chimie Pour nous rejoindre Fondation Grand Prix de la Fondation de la Maison de la Chimie a attribué le Grand Prix 2010, de manière conjointe'Année Internationale de la Chimie le GRAND PRIX 2010 de la Fondation de la Maison de la Chimie sera remis aux deux

  5. 75 FR 6094 - Modification of Class E Airspace; Grand Junction, CO

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-02-08

    ...Modification of Class E Airspace; Grand Junction, CO AGENCY: Federal Aviation Administration...Grand Junction Regional, Grand Junction, CO, to accommodate the vectoring of Instrument...Grand Junction Regional, Grand Junction, CO to en route airspace, and changes the...

  6. 2010 Panel on the Biomaterials Grand Challenges

    PubMed Central

    Reichert, William “Monty”; Ratner, Buddy D.; Anderson, James; Coury, Art; Hoffman, Allan S.; Laurencin, Cato T.; Tirrell, David

    2014-01-01

    In 2009, the National Academy for Engineering issued the Grand Challenges for Engineering in the 21st Century comprised of 14 technical challenges that must be addressed to build a healthy, profitable, sustainable, and secure global community (http://www.engineeringchallenges.org). Although crucial, none of the NEA Grand Challenges adequately addressed the challenges that face the biomaterials community. In response to the NAE Grand Challenges, Monty Reichert of Duke University organized a panel entitled Grand Challenges in Biomaterials at the at the 2010 Society for Biomaterials Annual Meeting in Seattle. Six members of the National Academies—Buddy Ratner, James Anderson, Allan Hoffman, Art Coury, Cato Laurencin, and David Tirrell—were asked to propose a grand challenge to the audience that, if met, would significantly impact the future of biomaterials and medical devices. Successfully meeting these challenges will speed the 60-plus year transition from commodity, off-the-shelf biomaterials to bioengineered chemistries, and biomaterial devices that will significantly advance our ability to address patient needs and also to create new market opportunities. PMID:21171147

  7. Rio Grande sediment study -- Supply and transport

    SciTech Connect

    Diniz, E. [Resource Technology, Inc., Albuquerque, NM (United States); Eidson, D.; Bourgeois, M. [Army Corps of Engineers, Albuquerque, NM (United States)

    1995-12-31

    The 1992 New Mexico State Legislature directed the Interstate Stream Commission (ISC) to study the feasibility of clearing and deepening the channel of the Rio Grande between Albuquerque and Elephant Butte to improve water conveyance and water conservation. The ISC requested the US Army Corps of Engineers-Albuquerque District (COE) to undertake this study under the Planning Assistance to States Program. The study was divided into two phases. Phase 1 consisted of an analysis of the sediment contribution to the Rio grande from the tributaries and an evaluation of the existing US Geological Survey (USGS) sediment gage data. Phase 2 will be an analysis, through the use of an HEC-6, Scour and Deposition in Rivers and Reservoirs, computer model, to determine the long-term performance of any Rio Grande channel improvements. This narrative presents the Phase 1 methods and results.

  8. Investigative Case - "Rio Grande Wildlife Refuge"

    NSDL National Science Digital Library

    Developed for Lifelines Online by Wayne McMillan of Garden City Community College and Mark A. Storey of Texarkana College. (www.bioquest.org/lifelines (more info) )

    As professional ecologists working for the fish and wildlife service, students must develop a plan to manage a new wildlife refuge along the Rio Grande River. The fish and wildlife service plans to connect forest islands along the river, which will become not only a new refuge but also a "wildlife corridor."

  9. A Grand Unified Theory of Interdisciplinarity

    ERIC Educational Resources Information Center

    Davis, Lennard J.

    2007-01-01

    Aside from the appeal to administrators as a tool to reduce costs by combining less robust departments with heftier relations, interdisciplinarity is a powerful idea because it implies that different branches of knowledge can benefit from talking to one another: a grand, unified theory of knowledge in which each discipline contributes building…

  10. Emergency Medicine Grand Rounds Emergency Medicine Classroom

    E-print Network

    Emergency Medicine Grand Rounds Emergency Medicine Classroom Tuesday, September 3, 2013 8 am ­ 9 am Department Presented by: Azeem Tajani, MD PGY-3, ECU Emergency Medicine Objectives: 1. Discuss the State in the suicidal Patient. Accreditation: The Brody School of Medicine of East Carolina University is accredited

  11. Rio Grande rift: problems and perspectives

    SciTech Connect

    Baldridge, W.S.; Olsen, K.H.; Callender, J.F.

    1984-01-01

    Topics and ideas addressed include: (1) the regional extent of the Rio Grande rift; (2) the structure of the crust and upper mantle; (3) whether the evidence for an axile dike in the lower crust is compelling; (4) the nature of faulting and extension in the crust; and (5) the structural and magmatic development of the rift. 88 references, 5 figures.

  12. Dermatology Grand Rounds "Blistering Diseases: An Overview"

    E-print Network

    de Bakker, Paul

    the pathophysiology of autoimmune blistering diseases 2) To diagnose and distinguish various autoimmune blistering diseases. 3) To recognize the potential morbidity and mortality that patients with autoimmune blisteringDermatology Grand Rounds "Blistering Diseases: An Overview" Kim B. Yancey, M.D. Professor

  13. The Dirac algebra and grand unification

    Microsoft Academic Search

    Peter Rowlands; J. P. Cullerne

    2001-01-01

    A representation of the Dirac algebra, derived from first principles, can be related to the combinations of unit charges which determine particle structures. The algebraic structure derives from a broken symmetry between 4-vectors and quaternions which can be applied to the broken symmetry between the three nongravitational interactions. The significance of this relation for Grand Unification is derived by explicit

  14. Plasma nanoscience: setting directions, tackling grand challenges

    NASA Astrophysics Data System (ADS)

    (Ken Ostrikov, Kostya; Cvelbar, Uros; Murphy, Anthony B.

    2011-05-01

    This review paper presents historical perspectives, recent advances and future directions in the multidisciplinary research field of plasma nanoscience. The current status and future challenges are presented using a three-dimensional framework. The first and the largest dimension covers the most important classes of nanoscale objects (nanostructures, nanofeatures and nanoassemblies/nanoarchitectures) and materials systems, namely carbon nanotubes, nanofibres, graphene, graphene nanoribbons, graphene nanoflakes, nanodiamond and related carbon-based nanostructures; metal, silicon and other inorganic nanoparticles and nanostructures; soft organic nanomaterials; nano-biomaterials; biological objects and nanoscale plasma etching. In the second dimension, we discuss the most common types of plasmas and plasma reactors used in nanoscale plasma synthesis and processing. These include low-temperature non-equilibrium plasmas at low and high pressures, thermal plasmas, high-pressure microplasmas, plasmas in liquids and plasma-liquid interactions, high-energy-density plasmas, and ionized physical vapour deposition as well as some other plasma-enhanced nanofabrication techniques. In the third dimension, we outline some of the 'Grand Science Challenges' and 'Grand Socio-economic Challenges' to which significant contributions from plasma nanoscience-related research can be expected in the near future. The urgent need for a stronger focus on practical, outcome-oriented research to tackle the grand challenges is emphasized and concisely formulated as from controlled complexity to practical simplicity in solving grand challenges.

  15. The Grand Tack model: a critical review

    NASA Astrophysics Data System (ADS)

    Raymond, Sean N.; Morbidelli, Alessandro

    2014-07-01

    The ``Grand Tack'' model proposes that the inner Solar System was sculpted by the giant planets' orbital migration in the gaseous protoplanetary disk. Jupiter first migrated inward then Jupiter and Saturn migrated back outward together. If Jupiter's turnaround or ``tack'' point was at ~ 1.5 AU the inner disk of terrestrial building blocks would have been truncated at ~ 1 AU, naturally producing the terrestrial planets' masses and spacing. During the gas giants' migration the asteroid belt is severely depleted but repopulated by distinct planetesimal reservoirs that can be associated with the present-day S and C types. The giant planets' orbits are consistent with the later evolution of the outer Solar System. Here we confront common criticisms of the Grand Tack model. We show that some uncertainties remain regarding the Tack mechanism itself; the most critical unknown is the timing and rate of gas accretion onto Saturn and Jupiter. Current isotopic and compositional measurements of Solar System bodies - including the D/H ratios of Saturn's satellites - do not refute the model. We discuss how alternate models for the formation of the terrestrial planets each suffer from an internal inconsistency and/or place a strong and very specific requirement on the properties of the protoplanetary disk. We conclude that the Grand Tack model remains viable and consistent with our current understanding of planet formation. Nonetheless, we encourage additional tests of the Grand Tack as well as the construction of alternate models.

  16. Grand Opening Center for Mind and Brain

    E-print Network

    Somers, David

    Grand Opening Center for Mind and Brain University of California, Davis April 21 2004 1:00 pm Art Exhibit "Images of Mind" by Brenda Brinton (Davis) "Mending Densely Before you Depart" by Jan-Ru Wan Francisco Symphony 4:00 pm Tours and Reception Self-guided Tours of Center for Mind and Brain (see reverse

  17. Grand Canyon Monitoring and Research Center

    USGS Publications Warehouse

    Hamill, John F.

    2009-01-01

    The Grand Canyon of the Colorado River, one of the world's most spectacular gorges, is a premier U.S. National Park and a World Heritage Site. The canyon supports a diverse array of distinctive plants and animals and contains cultural resources significant to the region's Native Americans. About 15 miles upstream of Grand Canyon National Park sits Glen Canyon Dam, completed in 1963, which created Lake Powell. The dam provides hydroelectric power for 200 wholesale customers in six western States, but it has also altered the Colorado River's flow, temperature, and sediment-carrying capacity. Over time this has resulted in beach erosion, invasion and expansion of nonnative species, and losses of native fish. Public concern about the effects of Glen Canyon Dam operations prompted the passage of the Grand Canyon Protection Act of 1992, which directs the Secretary of the Interior to operate the dam 'to protect, mitigate adverse impacts to, and improve values for which Grand Canyon National Park and Glen Canyon National Recreation Area were established...' This legislation also required the creation of a long-term monitoring and research program to provide information that could inform decisions related to dam operations and protection of downstream resources.

  18. The Grand Challenges in Socially Assistive Robotics

    Microsoft Academic Search

    Adriana Tapus; Maja J Mataric; Brian Scassellati

    Socially Assistive Robotics focuses on helping hu- man users through social rather than physical interaction (1). This paper describes the broad scope of socially assistive robotics, focusing on a general description of robotic technologies that have been and are currently being developed to assist people with disabilities. The paper then proposes the grand challenges of this field, and a list

  19. Map Your Way to the Grand Canyon

    ERIC Educational Resources Information Center

    Yoder, Holly

    2005-01-01

    In the introductory assignment, each randomly assigned group spends about 10 to 15 minutes at each station. The author incorporates as much sensory stimulation in the activity as possible. At the first station, students view a PowerPoint show from a geology class the author participated in at the Grand Canyon. At station two, students look at a…

  20. Public Health Grand Rounds Date Topic Speaker

    E-print Network

    2013-2014 Public Health Grand Rounds Date Topic Speaker Tuesday Feb 4 th , 2014 8:00-9:00am Public, Associate Professor DFPM/Division of Public Health University of Utah Scott Benson, MD, MPH, PhD Assistant Professor DFPM/Division of Public Health University of Utah Windy Tanner, PhD © DFPM/Division of Public

  1. The Cambrian eustatic signal: Not so grand

    SciTech Connect

    Cowan, C.A.; James, N.P. (Queen's Univ., Kingston, Ontario (Canada))

    1990-05-01

    Efforts to decipher potential high-frequency (fourth- and fifth-order) eustatic signals within third-order grand cycles in Cambrian strata of western Newfoundland have yielded a surprising result: the conspicuous, large-scale stratigraphic rhythms, grand cycles, were not principally a bathymetric phenomenon, grand cycles, i.e., the stratigraphic repetition of tens-of-meters-thick lithosomes, which are alternately carbonate and terrigenous clastic rich, are widely cited as evidence for lower Paleozoic third-order eustatic fluctuations. Evidence from Middle to Upper Cambrian platform strata in western Newfoundland indicates that grand cyclicity in this area was not simply a response to sea level change. Instead, the stratigraphic signal of eustasy is marked by the presence of terrigenous clastics in an otherwise carbonate-prone succession. Detailed facies analysis reveals that both terrigenous and carbonate lithosomes are locally constructed of predictable, meter-scale, coarsening-upward cycles. Lithofacies constituting meter-scale cycles in both lithosomes are bathymetrically indistinguishable with respect to environmental energy, ichnofauna, and exposure index. Meter-scale cycles in either lithosome are typically capped by the same lithology, precluding contemporaneous generation of carbonate vs. terrigenous cycles along some presumed bathymetric gradient. Obvious lithologic differences between carbonate and terrigenous meter-scale cycles obscure their common origin. Terrigenous cycles are best explained by the incursion of siliciclastic fines into a shallow-water carbonate environment irrespective of sea level change.

  2. The Colorado River in the Grand Canyon.

    ERIC Educational Resources Information Center

    Speece, Susan

    1991-01-01

    An assessment of the water quality of the Colorado River in the Grand Canyon was made, using the following parameters: dissolved oxygen, water temperature, hydrogen ion concentration, total dissolved solids, turbidity, and ammonium/nitrogen levels. These parameters were used to provide some clue as to the "wellness" and stability of the aquatic…

  3. Toxic Waste in Grand Banks. Lesson Plan.

    ERIC Educational Resources Information Center

    Litchka, Peter

    "Toxic Waste in Grand Banks" is an assessment task in which students from a high school economics class investigate the issues of economic prosperity, environmental concerns, government intervention in the market economy, and responsible civic participation in solving community problems. Students will demonstrate an ability--both individually and…

  4. LOWER RIO GRANDE VALLEY TEXAS POLLUTANT DISCHARGE

    E-print Network

    LOWER RIO GRANDE VALLEY TEXAS POLLUTANT DISCHARGE ELIMINATION SYSTEM (TPDES) STORM WATER TASK FORCE #12;INTRODUCTIONS · Kim Jones, Ph.D., P.E. Director, South Texas Environmental Institute Chairperson, Environmental Engineering Department Texas A&M University ­ Kingsville · Javier Guerrero, E.I.T., REM, M.S. Task

  5. 32. VIEW OF TERMINUS OF GRAND CANAL, SHOWING TURNOUT GATES, ...

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

    32. VIEW OF TERMINUS OF GRAND CANAL, SHOWING TURNOUT GATES, LOOKING SOUTHWEST. WASTE WATER IS TURNED INTO THE BED OF NEW RIVER. Photographer: Mark Durben, April 1989 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  6. 15. VIEW OF GRAND CANAL, LOOKING WEST TOWARD BROPHY SCHOOL ...

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

    15. VIEW OF GRAND CANAL, LOOKING WEST TOWARD BROPHY SCHOOL AND ST. FRANCIS CHURCH, NEAR CENTRAL AVENUE IN PHOENIX Photographer unknown, 1937 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  7. 25. VIEW OF GRAND CANAL, SHOWING PAPAGO FREEWAY REALIGNMENT, EAST ...

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

    25. VIEW OF GRAND CANAL, SHOWING PAPAGO FREEWAY REALIGNMENT, EAST OF 32ND STREET IN PHOENIX. Photographer: Kevin Kreisel-Coons, May 1990 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  8. 4. VIEW SHOWING CONCRETE ARCH BRIDGE ACROSS GRAND CANAL LOCATION ...

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

    4. VIEW SHOWING CONCRETE ARCH BRIDGE ACROSS GRAND CANAL LOCATION UNKNOWN. NOTE WOODEN FLUME IN FOREGROUND. Photographer: Walter J. Lubken, February 5, 1909 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  9. 26. VIEW OF THE PEDESTRIAN BRIDGE CROSSING GRAND CANAL AT ...

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

    26. VIEW OF THE PEDESTRIAN BRIDGE CROSSING GRAND CANAL AT 30TH STREET IN PHOENIX, LOOKING WEST, Photographer: Mark Durben, April 1989 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  10. 19. VIEW OF GRAND CANAL, SHOWING NEW ALIGNMENT, LOOKING NORTH ...

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

    19. VIEW OF GRAND CANAL, SHOWING NEW ALIGNMENT, LOOKING NORTH TOWARD CROSSCUT HYDRO PLANT ROOF WITH FOUR CUPOLAS VISIBLE. Photographer: Mark Durben, May 1990 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  11. 21. VIEW OF GRAND CANAL, SHOWING OLD ALIGNMENT, LOOKING WEST ...

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

    21. VIEW OF GRAND CANAL, SHOWING OLD ALIGNMENT, LOOKING WEST LOCATION UNKNOWN. THE WIDE DRY BED OF THE SALT RIVER SPANS THE BACKGROUND. Photographer: Mark Durben, April 1989 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  12. 10. Photocopy of architectural blueprint (on file at La Grande ...

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

    10. Photocopy of architectural blueprint (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1958 - Union Ranger District Compound, Office, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  13. 6. Photocopy of pencil drawing (on file at La Grande ...

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

    6. Photocopy of pencil drawing (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1939 CIRCULATION PLAN - Union Ranger District Compound, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  14. 6. Photocopy of architectural blueprint (on file at La Grande ...

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

    6. Photocopy of architectural blueprint (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service RANGERS RESIDENCE - Union Ranger Distric Compound, Rangers Residence, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  15. 11. Photocopy of blueprint (on file at La Grande District ...

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

    11. Photocopy of blueprint (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1939 - Union Ranger District Compound, Guard Residence, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  16. UNIVERSIDADE FEDERAL DO RIO GRANDE DO NORTE TELECOM PARISTECH

    E-print Network

    Paris-Sud XI, Université de

    UNIVERSIDADE FEDERAL DO RIO GRANDE DO NORTE TELECOM PARISTECH METAMATERIAL INSPIRED IMPROVED #12;i UNIVERSIDADE FEDERAL DO RIO GRANDE DO NORTE TELECOM PARISTECH Metamaterial Inspired Improved to the UFRN Graduate Program in Electrical and Computer Engineering (Area: Telecommunications) and Telecom

  17. 19. VIEW OF PEDESTRIAN BRIDGE OVER GRAND CANAL LOCATED SOUTH ...

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

    19. VIEW OF PEDESTRIAN BRIDGE OVER GRAND CANAL LOCATED SOUTH OF SHERMAN CANAL, LOOKING NORTH FROM THE EAST SIDE OF GRAND CANAL - Venice Canals, Community of Venice, Los Angeles, Los Angeles County, CA

  18. 17. Junction of old Crosscut Canal with Grand Canal, view ...

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

    17. Junction of old Crosscut Canal with Grand Canal, view to north; Crosscut enters from upper right, control gates of Grand Canal at left. - Old Crosscut Canal, North Side of Salt River, Phoenix, Maricopa County, AZ

  19. 13. VIEW OF EXISTING GRAND CANAL COURT PEDESTRIAN BRIDGE OVER ...

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

    13. VIEW OF EXISTING GRAND CANAL COURT PEDESTRIAN BRIDGE OVER CARROLL CANAL, LOOKING WEST TOWARD GRAND CANAL FROM NORTH SIDE OF CARROLL CANAL - Venice Canals, Community of Venice, Los Angeles, Los Angeles County, CA

  20. 43. and Design, Grand Canyon National Park, dated August 23, ...

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

    43. and Design, Grand Canyon National Park, dated August 23, 1934, and September 17, 1934 (original located at Federal Records Center, Denver, Colorado, #113/3084-set of 2) SEWAGE PLANT ADDITION. - Water Reclamation Plant, Grand Canyon, Coconino County, AZ

  1. "No. 190. Grand Valley Diversion Dam. Diversion gates, water flowing ...

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

    "No. 190. Grand Valley Diversion Dam. Diversion gates, water flowing into high line. June, 1917. R.B.D." - Grand Valley Diversion Dam, Half a mile north of intersection of I-70 & Colorado State Route 65, Cameo, Mesa County, CO

  2. Cause-specific Mortality of Grand Multiparous Women in Finland

    Microsoft Academic Search

    Marianne Hinkula; Antti Kauppila; Simo Nayha; Eero Pukkala

    2005-01-01

    Knowledge is limited on mortality of grand multiparous women (? 5 deliveries), whose hormonal, metabolic, and social conditions differ from the average. The authors studied overall and cause-specific mortality in 1974-2001 among 87,922 grand multiparous women including 3,678 grand grand multiparous women (? 10 deliveries) in Finland. Standardized mortality ratios were defined as ratios of observed to expected numbers of

  3. TELECOM ParisTech Universidade Federal de Campina Grande

    E-print Network

    Paris-Sud XI, Université de

    TELECOM ParisTech Universidade Federal de Campina Grande Thesis Présentée pour Obtenir le Grande de Docteur de TELECOM ParisTech et de l'Universidade Federal de Campina Grande Spécialité: Informatique et-Pierre Tillich, INRIA (Roquencourt, France) Examinateurs Hugues Randriambololona, TELECOM ParisTech (Paris

  4. 27 CFR 9.87 - Grand River Valley.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ...2012-04-01 2012-04-01 false Grand River Valley. 9.87 Section 9.87 Alcohol...American Viticultural Areas § 9.87 Grand River Valley. (a) Name. The name of the...area described in this section is “Grand River Valley.” (b) Approved map....

  5. 27 CFR 9.87 - Grand River Valley.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ...2013-04-01 2013-04-01 false Grand River Valley. 9.87 Section 9.87 Alcohol...American Viticultural Areas § 9.87 Grand River Valley. (a) Name. The name of the...area described in this section is “Grand River Valley.” (b) Approved map....

  6. 27 CFR 9.87 - Grand River Valley.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ...2011-04-01 2011-04-01 false Grand River Valley. 9.87 Section 9.87 Alcohol...American Viticultural Areas § 9.87 Grand River Valley. (a) Name. The name of the...area described in this section is “Grand River Valley.” (b) Approved map....

  7. 27 CFR 9.87 - Grand River Valley.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ...2014-04-01 2014-04-01 false Grand River Valley. 9.87 Section 9.87 Alcohol...American Viticultural Areas § 9.87 Grand River Valley. (a) Name. The name of the...area described in this section is “Grand River Valley.” (b) Approved map....

  8. THE COUNTY GRAND JURY SYSTEM: A STUDY IN REFORMS

    Microsoft Academic Search

    M. CASH MATHEWS

    1985-01-01

    This study focuses on the role of volunteers in grand jury performance in its civil, rather than criminal function. Information is presented on a county grand jury in California where its mandated responsibilities are to act as a watchdog agency and to investigate county executive departments for purported inefficiency, wrongdoing and corruption. Until 1977, grand jury members in Santa Barbara

  9. Overview of the Grand Junction Office from Bluff east of ...

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

    Overview of the Grand Junction Office from Bluff east of facility. Note Buildings #35. #33 and #31A in lower left of photograph. VIEW WEST - Department of Energy, Grand Junction Office, 2597 B3/4 Road, Grand Junction, Mesa County, CO

  10. Boltzmann bias grand canonical Monte Carlo

    NASA Astrophysics Data System (ADS)

    Garberoglio, G.

    2008-04-01

    We derive an efficient method for the insertion of structured particles in grand canonical Monte Carlo simulations of adsorption in very confining geometries. We extend this method to path integral simulations and use it to calculate the isotherm of adsorption of hydrogen isotopes in narrow carbon nanotubes (two-dimensional confinement) and slit pores (one-dimensional confinement) at the temperatures of 20 and 77 K, discussing its efficiency by comparison to the standard path integral grand canonical Monte Carlo algorithm. We use this algorithm to perform multicomponent simulations in order to calculate the hydrogen isotope selectivity for adsorption in narrow carbon nanotubes and slit pores at finite pressures. The algorithm described here can be applied to the study of adsorption of real oligomers and polymers in narrow pores and channels.

  11. The Dirac algebra and grand unification

    E-print Network

    Rowlands, P; Rowlands, Peter

    2001-01-01

    A representation of the Dirac algebra, derived from first principles, can be related to the combinations of unit charges which determine particle structures. The algebraic structure derives from a broken symmetry between 4-vectors and quaternions which can be applied to the broken symmetry between the three nongravitational interactions. The significance of this relation for Grand Unification is derived by explicit calculation of the running values of the fine structure constants, with suggestions for the calculation of particle masses.

  12. Geology Fieldnotes: Grand Canyon National Park, Arizona

    NSDL National Science Digital Library

    Visitors can access park geology information, photographs, related links, visitor information, multimedia resources, and resources for teaching geology with National Park examples. The park geology section discusses the Grand Canyon's geologic history, structural geology, and features a question-and-answer section about the canyon. The history of the canyon as a park and environmental issues surrounding it are also discussed. A geologic cross section of the canyon showing the various rock layers is included.

  13. Soybean Production in the Rio Grande Valley 

    E-print Network

    Fromme, D. D.; Isakeit, T.; Falconer, L.

    2011-01-01

    Brad Cowen, Texas AgriLife Extension Service Dr. Enrique Perez, Texas AgriLife Extension Service #31;is publication was produced by the Texas Water Resources Institute (TWRI), in collaboration with the Texas AgriLife Extension Service... moisture avail- ability is at a deeper depth. Most people agree that a seed should never be Soybean plants in the Rio Grande Valley Photo credit: Enrique Perez Planting Practices planted deeper than 2 inches in most soils. Adequate soil moisture...

  14. Neutrino mixing in a grand unified theory

    SciTech Connect

    Milton, K.; Tanaka, K.

    1980-01-01

    Neutrino mixing in a grand unified theory in which the neutrino mass matrix is determined by the Gell-Mann-Ramond-Slansky mechanism was investigated. With an arbitrary real right-handed Majorana mass matrix which incorporates three neutrino mass scales, the effects of the up-quark mass matrix are found to be dominant and as a result no significant mixing of ..nu../sub e/ occurs, while ..nu../sub ..mu../ - ..nu../sub ..gamma../ mixing can be substantial.

  15. A grand superspace for unified field theories

    Microsoft Academic Search

    Arthur E. Fischer

    1986-01-01

    Agrand superspace is proposed as the phase space for gauge field theories with a fixed structure groupG over a fixed space-time manifoldM. This superspace incorporatesall principal fiber bundles with these data. This phase space is the space of isomorphism classes ofall connections onall G-principal fiber bundles overM (fixedG andM). The justification for choosing this grand superspace for the phase space

  16. Lithospheric structure of the Rio Grande rift.

    PubMed

    Wilson, David; Aster, Richard; West, Michael; Ni, James; Grand, Steve; Gao, Wei; Baldridge, W Scott; Semken, Steve; Patel, Paresh

    2005-02-24

    A high-resolution, regional passive seismic experiment in the Rio Grande rift region of the southwestern United States has produced new images of upper-mantle velocity structure and crust-mantle topography. Synthesizing these results with geochemical and other geophysical evidence reveals highly symmetric lower-crustal and upper-mantle lithosphere extensional deformation, suggesting a pure-shear rifting mechanism for the Rio Grande rift. Extension in the lower crust is distributed over a region four times the width of the rift's surface expression. Here we propose that the laterally distributed, pure shear extension is a combined effect of low strain rate and a regionally elevated geotherm, possibly abetted by pre-existing lithospheric structures, at the time of rift initiation. Distributed extension in the lower crust and mantle has induced less concentrated vertical mantle upwelling and less vigorous small-scale convection than would have arisen from more localized deformation. This lack of highly focused mantle upwelling may explain a deficit of rift-related volcanics in the Rio Grande rift compared to other major rift systems such as the Kenya rift. PMID:15729338

  17. Hospital grand rounds in family medicine. Content and educational structure.

    PubMed Central

    Lewkonia, R.; Sosnowski, M.; Murray, F.

    1996-01-01

    OBJECTIVE: To investigate hospital grand rounds in family medicine, to examine their content and organization, and to recommend improved educational structures for these ubiquitous continuing medical education events. DATA SELECTION: Retrospective analysis of titles and content of 358 family medicine grand rounds offered in the department of family medicine of a large urban hospital from mid-1983 to the end of 1994. FINDINGS: Only 10% of family medicine grand rounds were presented by family physicians. Most grand rounds were in the form of specialists exhibiting their own interests in a lecture format. Analysis of grand rounds titles showed no consistent pattern of topics but an emphasis on practical aspects of medical care. Patient-based presentations were uncommon, as were grand rounds with more than one speaker. CONCLUSIONS: The content and mix of topics appeared appropriate, but in the absence of a curricular structure, or evaluation of learning gain, it is difficult to assess the value of grand rounds. PMID:9222579

  18. Karst hydrology of Grand Canyon, Arizona, USA

    NASA Astrophysics Data System (ADS)

    Hill, C. A.; Polyak, V. J.

    2010-09-01

    SummaryCaves in Grand Canyon, Arizona, USA fall into two main categories: those formed under unconfined conditions and those formed under confined conditions. This study focuses on the hydrology and paleohydrology of the confined caves in the Redwall-Muav aquifer, where the aquifer is overlain by rocks of the Supai Group and underlain by the Bright Angel Shale. Unconfined caves are discussed only in their relation to confined caves. Discharge for confined groundwater was, as it is today, primarily from the Redwall Limestone where it has been incised by the main canyon or its tributaries and where it has converged along a structural low or fault. Descent of the potentiometric surface (or water table) over time is recorded by one ore episode and six cave episodes: (1) emplacement of Cu-U ore, (2) precipitation of iron oxide in cavities, (3) dissolution of cave passages, (4) precipitation of calcite-spar linings over cave passage walls, (5) precipitation of cave mammillary coatings, (6) minor replacement of cave wall and ceiling limestone by gypsum, and (7) deposition of subaerial speleothems. The mammillary episode records the approximate position of the water table when the incision of the canyon was at that level. Discharge toward spring points has reorganized and adjusted with respect to ongoing canyon and side-canyon incision. The dissolution of Grand Canyon confined caves was the result of the mixing of epigene waters with hypogene waters so that undersaturation with respect to calcite was achieved. The karst hydrology of Grand Canyon may be unique compared to other hypogene cave areas of the world.

  19. Grand rounds for dental students: an exploration.

    PubMed

    Fasbinder, D J; Heys, D R; Holland, G R; Keerthy, Akshay; Murdoch-Kinch, Carol Anne; Inglehart, Marita R

    2015-05-01

    Grand Rounds are widely used in medicine for educating students comprehensively about clinical issues. The aim of this study was to explore the value of Grand Rounds for introducing first- (D1) and second-year (D2) dental students to an interdisciplinary approach to dental care. The objectives were to explore how interested students were in various topics, which topics they would like to see addressed in future sessions, which aspects they liked/disliked, how they evaluated the program components, and how they evaluated the outcomes. Data were collected from D1s at the end of the Year 1 fall term and from D1s and D2s at the beginning and end of the Year 1 winter term and at the end of Year 2. Response rates for most of the groups ranged from 88% to 100%, but response rates for surveys at the end of the study period fell to 40% and 32%. The results showed that the students were most interested in clinical topics that were presented in an interdisciplinary way. Their suggested topics ranged from specialty-specific issues to treatment-related topics such as implants and cosmetic dentistry. The open-ended responses showed that students liked learning differing perspectives on these topics, but disliked the course-related assignments and the preparation work in small groups. The closed-ended responses showed that the students appreciated the in-class presentations by experts and evaluated the course as helpful in informing them about the complexity of issues and the importance of the interplay between basic and clinical sciences. Educating future dentists in a way in which they embrace interdisciplinary approaches is challenging. Using the Grand Rounds concept could be one approach to increasing students' awareness of the importance of interdisciplinary work. PMID:25941144

  20. The Grand Challenge: Simulating Human Vision

    NSDL National Science Digital Library

    2014-09-18

    Students are introduced to the Robotics Peripheral Vision Grand Challenge question. They are asked to write journal responses to the question and brainstorm what information they require to answer the question. Their ideas are shared with the class and recorded. Then, students share their ideas with each other and brainstorm any additional ideas. Next, students draw a basis for the average peripheral vision of humans and then compare that range to the range of two different focal lengths in a camera. Through the associated activity provides, students see the differences between human and computer vision.

  1. Urban Water Conservation along the Rio Grande

    E-print Network

    Silvey, Valeen; Kaiser, Ronald; Lesikar, Bruce; Runyan, Craig

    2004-01-01

    Urban Water Conservation along the Rio Grande THE TEXAS A&M UNIVERSITY SYSTEM NEW MEXICO STATE UNIVERSITY An Inventory of Water Conservation Programs TR 269 SP 201 Valeen Silvy, 1 Ronald Kaiser, 2 Bruce Lesikar 3 and Craig Runyan... may be plentiful in some places and scarce in others. Until we are ready to make wa- ter conservation a pattern of behavior to use less water, our demand will continue to grow as our population grows. Although water conservation is not an answer...

  2. The Grand Canyon: How It Formed

    NSDL National Science Digital Library

    Today, in the deepest part of the Grand Canyon, the Colorado River flows past rocks that are 1.7 billion years old. This video describes how the river cut vertically through layers of pre-existing rock as the plateau beneath it was uplifted by tectonic forces. It also explains that other forces worked to widen the canyon, particluarly the activity of tributary streams and debris flows caused by flash flooding from intense rainfall or rapid snowmelt moving loose rock and boulders down canyon walls and side channels. A background essay and list of discussion questions are also provided.

  3. 77 FR 12108 - Denver & Rio Grande Railway Historical Foundation d/b/a Denver & Rio Grande Railroad, L.L.C...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-02-28

    ...Denver & Rio Grande Railway Historical Foundation d/b/a Denver & Rio Grande Railroad...Denver & Rio Grande Railway Historical Foundation, Inc. (DRGHF) on July 12, 2011...Railway Historical [[Page 12109

  4. The Grand Challenge: Fix the Hip Challenge

    NSDL National Science Digital Library

    VU Bioengineering RET Program,

    This lesson introduces the Bone Module Grand Challenge question. Students are asked to write their initial responses to the question alone. They will then brainstorm ideas with one other student. Finally, the ideas are shared with the class and recorded. It is important for students to gather information to decide whether or not this condition is hereditary. Students then watch two videos about osteoporosis. Grand Challenge Question: When you get home from school, your mother grabs you, and you rush to the hospital. Your grandmother fell and was rushed to the emergency room. The doctor tells your family your grandmother has a fractured hip, and he is referring her to an orthopedic specialist. The orthopedic doctor decides to perform a DEXA scan. The result showed her bone mineral density (BMD) was -3.3. What would be a probable diagnosis to her condition? What are some possible causes of her condition? Should her family be worried that this condition is hereditary, and if so, what are possible prevented measures they could take to prevent this from happening to them? What statistical method did you use to determine if the condition is hereditary?

  5. Aquatic macroinvertebrates of the Grand Calumet River

    USGS Publications Warehouse

    Last, Laurel L.; Whitman, Richard L.

    2000-01-01

    The Grand Calumet River is potential habitat for a rich community of aquatic macroinvertebrates. Historical surveys of these organisms have been limited to post-industrialization of the Calumet Region; but because river habitats and conditions prior to industrialization have been described, past macroinvertebrate composition can be inferred. In the past 20 years, several surveys have been conducted in the Grand Calumet that have focused on a limited area, but when these studies are amassed the information available covers much of the river. In this paper, the aquatic macroinvertebrate communities in the river are described, and options for restoration are discussed. Many of the macroinvertebrates present are indicators of high levels of pollution, but a few pollution-sensitive species have been found. There is evidence, however, that the sediment quality has improved since the 1960's, likely due to pollution controls that have been put into place. Restoration opportunities should consider the macroinvertebrate community and the potential to improve sediment habitat without damaging the community structure.

  6. SUGRA Grand Unification, LHC and Dark Matter

    E-print Network

    Pran Nath

    2012-08-01

    A brief review is given of recent developments related to the Higgs signal and its implications for supersymmetry in the supergravity grand unification framework. The Higgs data indicates that the allowed parameter space largely lies on focal curves and focal surfaces of the Hyperbolic Branch of radiative breaking of the electroweak symmetry where TeV size scalars naturally arise. The high mass of the Higgs leads to a more precise prediction for the allowed range of the spin independent neutralino -proton cross section which is encouraging for the detection of dark matter in future experiments with greater sensitivity. Also discussed is the status of grand unification and a natural solution to breaking the GUT group at one scale and resolving the doublet-triplet problem. It is shown that the cosmic coincidence can be compatible within a supersymmetric framework in a muticomponent dark matter picture with one component charged under $B-L$ while the other component is the conventional supersymmetric dark matter candidate, the neutralino.

  7. Flood Geology and the Grand Canyon: A Critique

    Microsoft Academic Search

    Carol A. Hill; Stephen O. Moshier

    2009-01-01

    Four claims of Flood Geology—as they are related to the Grand Canyon and specifically to the book Grand Canyon: A Different View—are evaluated by directly addressing Young Earth Creationist arguments, by showing rock features that belie these claims, and by presenting the most up-to-date scientific theories on the origin of the Grand Canyon. We conclude that Young Earth Creationism promotes

  8. Quaternion Octonion Reformulation of Grand Unified Theories

    E-print Network

    Pushpa; P. S. Bisht; Tianjun Li; O. P. S. Negi

    2012-02-29

    In this paper, Grand Unified theories are discussed in terms of quaternions and octonions by using the relation between quaternion basis elements with Pauli matrices and Octonions with Gell Mann \\lambda matrices. Connection between the unitary groups of GUTs and the normed division algebra has been established to re-describe the SU(5)gauge group. We have thus described the SU(5)gauge group and its subgroup SU(3)_{C}\\times SU(2)_{L}\\times U(1) by using quaternion and octonion basis elements. As such the connection between U(1) gauge group and complex number, SU(2) gauge group and quaternions and SU(3) and octonions is established. It is concluded that the division algebra approach to the the theory of unification of fundamental interactions as the case of GUTs leads to the consequences towards the new understanding of these theories which incorporate the existence of magnetic monopole and dyon.

  9. Neutrino dark energy in grand unified theories

    NASA Astrophysics Data System (ADS)

    Bhatt, Jitesh R.; Gu, Pei-Hong; Sarkar, Utpal; Singh, Santosh K.

    2009-10-01

    We studied a left-right symmetric model that can accommodate the neutrino dark energy (?DE) proposal. The type-III seesaw mechanism is implemented to give masses to the neutrinos. After explaining the model, we study the consistency of the model by minimizing the scalar potential and obtaining the conditions for the required vacuum expectation values of the different scalar fields. This model is then embedded in an SO(10) grand unified theory and the allowed symmetry breaking scales are determined by the condition of the gauge coupling unification. Although SU(2)R breaking is required to be high, its Abelian subgroup U(1)R is broken in the TeV range, which can then give the required neutrino masses and predicts new gauge bosons that could be detected at LHC. The neutrino masses are studied in detail in this model, which shows that at least 3 singlet fermions are required.

  10. 23. VIEW OF GRAND CANAL, SHOWING NEW ALIGNMENT CANAL ON ...

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

    23. VIEW OF GRAND CANAL, SHOWING NEW ALIGNMENT CANAL ON RIGHT. THIS PHOTO WAS TAKEN FROM APPROXIMATELY THE SAME SPOT AS THE PREVIOUS PHOTOGRAPH (AZ-17-22). Photographer: Kevin Kreisel-Coons, May 1990 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  11. 29. VIEW OF GRAND CANAL, LOOKING WEST TOWARD BROPHY PREP ...

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

    29. VIEW OF GRAND CANAL, LOOKING WEST TOWARD BROPHY PREP AND ST. FRANCIS CHURCH (compare this photograph with AZ-17-15, taken at the same spot in 1937). Photographer: Kevin Kreisel-Coons, May 1990 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  12. 22. VIEW OF GRAND CANAL, SHOWING OLD ALIGNMENT, LOOKING WEST ...

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

    22. VIEW OF GRAND CANAL, SHOWING OLD ALIGNMENT, LOOKING WEST FROM BELOW THE SETTLING BASIN (see HAER Photograph No. AZ-30-17, Crosscut Hydro Plant). Photographer: Mark Durben, April 1989 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  13. 20. VIEW OF GRAND CANAL, SHOWING OLD ALIGNMENT, LOOKING EAST ...

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

    20. VIEW OF GRAND CANAL, SHOWING OLD ALIGNMENT, LOOKING EAST FROM SOUTH BANK NEAR SETTLING BASIN (see HAER Photograph No. AZ-30-17, Crosscut Hydro Plant). THE LARGE FOREGROUND PIPE CARRIED WATER ACROSS THE CANAL FROM THE SETTLING BASIN TO THE CROSSCUT STEAM PLANT. Photographer: Mark Durben, April 1989 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  14. 9. Photocopy of architectural drawing (on file at La Grande ...

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

    9. Photocopy of architectural drawing (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1958 OFFICE ADDITION (REVISED SHEET 2) - Union Ranger District Compound, Office, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  15. 7. Photocopy of architectural drawing (on file at La Grande ...

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

    7. Photocopy of architectural drawing (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1939 RANGERS RESIDENCE, DETAILED PLANTING PLAN - Union Ranger Distric Compound, Rangers Residence, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  16. 6. Photocopy of architectural blueprint (on file at La Grande ...

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

    6. Photocopy of architectural blueprint (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1936 THREE-ROOM OFFICE (SHEET 4) - Union Ranger District Compound, Office, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  17. 7. Photocopy of architectural blueprint (on file at La Grande ...

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

    7. Photocopy of architectural blueprint (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1936 THREE-ROOM OFFICE (SHEET 5) - Union Ranger District Compound, Office, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  18. 7. Photocopy of architectural blueprint (on file at La Grande ...

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

    7. Photocopy of architectural blueprint (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1938 GUARD RESIDENCE (SHEET 2 OF 4) - Union Ranger District Compound, Guard Residence, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  19. 9. Photocopy of architectural blueprint (on file at La Grande ...

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

    9. Photocopy of architectural blueprint (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1938 GUARD RESIDENCE (SHEET 4 OF 4) - Union Ranger District Compound, Guard Residence, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  20. 5. Photocopy of architectural blueprint (on file at La Grande ...

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

    5. Photocopy of architectural blueprint (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1938 WAREHOUSE (SHEET 2 OF 2) - Union Ranger District Compound, Warehouse, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  1. 8. Photocopy of architectural blueprint (on file at La Grande ...

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

    8. Photocopy of architectural blueprint (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1957 OFFICE ADDITION (SHEET 2) - Union Ranger District Compound, Office, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  2. 3. Photocopy of architectural blueprint (on file at La Grande ...

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

    3. Photocopy of architectural blueprint (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1936 RANGERS RESIDENCE, GARAGE - Union Ranger District Compound, Garage-Rangers Residence, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  3. 11. Photocopy of architectural drawing (on file at La Grande ...

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

    11. Photocopy of architectural drawing (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1939 OFFICE, DETAILED PLANTING PLAN - Union Ranger District Compound, Office, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  4. 4. Photocopy of architectural blueprint (on file at La Grande ...

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

    4. Photocopy of architectural blueprint (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1938 WAREHOUSE (SHEET 1 OF 2) - Union Ranger District Compound, Warehouse, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  5. 8. Photocopy of architectural blueprint (on file at La Grande ...

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

    8. Photocopy of architectural blueprint (on file at La Grande District Office, La Grande, Oregon) USDA Forest Service, 1938 GUARD RESIDENCE (SHEET 3 OF 4) - Union Ranger District Compound, Guard Residence, Fronting State Highway 203, at West edge of Union, Union, Union County, OR

  6. CDROM Interstation Pn Study Along the Rio Grande Rift

    Microsoft Academic Search

    Lynda A. Lastowka; Anne F. Sheehan

    Upper mantle velocities in the regions of the Rio Grande rift and the Southern Rockies were investigated using Pn waves from the broadband seismic data obtained from the Continen- tal Dynamics - Rocky Mountain (CDROM) experiment. A velocity of 7.8 +\\/- 0.1 km\\/s on the eastern flank of the Rio Grande rift in New Mexico was measured from epicentral dis-

  7. Le Grand Bec, 3403 m Arte W intgrale et traverse

    E-print Network

    alpinistes expérimentés selon [1]. · Dénivellation : du refuge au sommet : 1000 m env. · Période : après le refuge au sommet : 3 h 40 selon [2] et de 4 h à 5 h selon [1]. du Grand Bec au sommet du Glacier N de la de la Vuzelle existe encore). Accès Refuge du Grand Bec (2405 m), que l'on rejoint en partant de la

  8. "No. 170. Roller crest dam. Grand Valley Project. 1915." Note ...

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

    "No. 170. Roller crest dam. Grand Valley Project. 1915." Note cross-river cableway, and important component of the construction plant - Grand Valley Diversion Dam, Half a mile north of intersection of I-70 & Colorado State Route 65, Cameo, Mesa County, CO

  9. High performance computing 1996: Grand challenges in computer simulation

    Microsoft Academic Search

    Tentner

    1996-01-01

    The 1996 Simulation MultiConference features the fourth High Performance Computing Symposium, with the theme `Grand Challenges in Computer Simulation.` The goal of the Symposium is to encourage innovation in High Performance Computing Technologies and to stimulate the use of these technologies in key areas of Computer Simulation, particularly in the `Grand Challenge` areas defined in the Federal High Performance Computing

  10. Grand canonical potential of a magnetized neutron gas

    E-print Network

    Jacobus P. W. Diener; Frederik G. Scholtz

    2015-07-02

    We compute the effective action for stationary and spatially constant magnetic fields, when coupled anomalously to charge neutral fermions, by integrating out the fermions. From this the grand canonical partition function and potential of the fermions and fields are computed. This also takes care of magnetic field dependent vacuum corrections to the grand canonical potential. Possible applications to neutron stars are indicated.

  11. THE "MUD VOLCANO," A STINKY THERMAL FEATURE ON THE GRAND ...

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

    THE "MUD VOLCANO," A STINKY THERMAL FEATURE ON THE GRAND LOOP ROAD. ACIDIC HOT SPRINGS HAVE REDUCED THE UNDERLYING LAVA TO A FINE CLAY, PRODUCING AN AREA OF BOILING MUD. THE ODOR OF ROTTEN EGGS IS FROM HYDROGEN SULFIDE GAS. - Grand Loop Road, Forming circuit between Mammoth Hot Springs, Norris Junction, Madison Junction, Old Faithful, Mammoth, Park County, WY

  12. IMPLEMENTATION OF AGRICULTURAL SALINITY CONTROL TECHNOLOGY IN GRAND VALLEY

    EPA Science Inventory

    A summary of the results of applied research on salinity control of irrigation return flows in the Grand Valley of Colorado is presented for the period of 1969 to 1976. Salinity and economic impacts are described for the Grand Valley Salinity Control Demonstration Project which c...

  13. SEDIMENT FLUX THROUGH THE RIO GRANDE RIVER: A MONSOONAL EFFECT

    E-print Network

    Seamons, Kent E.

    of Science Summer Rupper Thomas Morris John McBride Department of Geological Sciences Brigham Young the Rio Grande River: A Monsoonal Effect Troy C. Hiatt Department of Geological Sciences Master of Science American Monsoon is suggested as the forcing mechanism of deltaic progradational events of the Rio Grande

  14. 18. VIEW OF GRAND CANAL, SHOWING OLD ALIGNMENT BEFORE 1989 ...

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

    18. VIEW OF GRAND CANAL, SHOWING OLD ALIGNMENT BEFORE 1989 REALIGNMENT, LOOKING NORTH TOWARD RAILROAD CROSSING AND CROSSCUT STEAM PLANT LARGE WHITE BUILDING. THE CROSSCUT HYDRO PLANT IS HIDDEN BY TREES TO RIGHT OF STEAM PLANT. Photographer: Mark Durben, April 1989 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  15. Seasonally Flooded Grasslands -Grand CaymanSeasonally Flooded Grasslands -Grand Cayman 0 1 2 3 4 50.5

    E-print Network

    Exeter, University of

    Seasonally Flooded Grasslands - Grand CaymanSeasonally Flooded Grasslands - Grand Cayman 0 1 2 3 4 Protected Areas Seasonally Flooded Grasslands V.A.1.N.g. #12;Seasonally Flooded Grasslands - Little CaymanSeasonally Flooded Grasslands - Little Cayman 0 0.5 1 1.5 2 2.50.25 Kilometers Cayman Islands National Biodiversity

  16. The Arctic Grand Challenge: Abrupt Climate Change

    NASA Astrophysics Data System (ADS)

    Wilkniss, P. E.

    2003-12-01

    Trouble in polar paradise (Science, 08/30/02), significant changes in the Arctic environment are scientifically documented (R.E. Moritz et al. ibid.). More trouble, lots more, "abrupt climate change," (R. B. Alley, et al. Science 03/28/03). R. Corell, Arctic Climate Impact Assessment team (ACIA), "If you want to see what will happen in the rest of the world 25 years from now just look what's happening in the Arctic," (Arctic Council meeting, Iceland, 08/03). What to do? Make abrupt Arctic climate change a grand challenge for the IPY-4 and beyond! Scientifically:Describe the "state" of the Arctic climate system as succinctly as possible and accept it as the point of departure.Develop a hypothesis and criteria what constitutes "abrupt climate change," in the Arctic that can be tested with observations. Observations: Bring to bear existing observations and coordinate new investments in observations through an IPY-4 scientific management committee. Make the new Barrow, Alaska, Global Climate Change Research Facility a major U.S. contribution and focal point for the IPY-4 in the U.S Arctic. Arctic populations, Native peoples: The people of the North are living already, daily, with wrenching change, encroaching on their habitats and cultures. For them "the earth is faster now," (I. Krupnik and D. Jolly, ARCUS, 2002). From a political, economic, social and entirely realistic perspective, an Arctic grand challenge without the total integration of the Native peoples in this effort cannot succeed. Therefore: Communications must be established, and the respective Native entities must be approached with the determination to create well founded, well functioning, enduring partnerships. In the U.S. Arctic, Barrow with its long history of involvement and active support of science and with the new global climate change research facility should be the focal point of choice Private industry: Resource extraction in the Arctic followed by oil and gas consumption, return the combustion products as greenhouse gases to their regions of origin. Thus multinational company operations are affected by their own activities. There is a strong, convincing case, that these industrial giants must be involved in Arctic partnerships of the grand challenge. A most instructive, very successful example is the collaboration by the chemical companies after the discovery of the polar ozone holes, followed by the replacement of the culprit chlorofluorocarbon compounds. Public relations and involvement/education: The IPY offers a unique opportunity to showcase and drive home, into homes, the seriousness of the issue, Hollywood/Madison Avenue/ NASA style, nothing else will do. Ultimately we need to be mindful that "civilizations are ephemeral compared to species. -What we need is a primer on science, clearly written and unambiguous in its meaning-a primer for anyone interested in the state of the Earth and how to survive and live well on it." (James Lovelock, Science, 08/05/98). - Let's start in the Arctic-NOW.

  17. 75 FR 39445 - Special Local Regulation; Harrison Township Grand Prix, Lake St. Clair, Harrison Township, MI

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-07-09

    ...Local Regulation; Harrison Township Grand Prix, Lake St. Clair, Harrison Township...Clair during the Harrison Township Grand Prix. This special local regulation is necessary...Local Regulation; Harrison Township Grand Prix, Lake St. Clair, Harrison...

  18. 75 FR 21194 - Special Local Regulation; Harrison Township Grand Prix, Lake St. Clair; Harrison Township, MI

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-04-23

    ...Local Regulation; Harrison Township Grand Prix, Lake St. Clair; Harrison Township...Clair during the Harrison Township Grand Prix. This special local regulation is necessary...conjunction with the Harrison Township Grand Prix. The powerboat races will occur...

  19. 78 FR 34568 - Special Local Regulation; Heritage Coast Offshore Grand Prix, Tawas Bay; East Tawas, MI

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-06-10

    ...Regulation; Heritage Coast Offshore Grand Prix, Tawas Bay; East Tawas, MI AGENCY...after the Heritage Coast Offshore Grand Prix boat race. This special local regulation...Regulation; Heritage Coast Offshore Grand Prix, East Tawas, MI. (a) Regulated...

  20. 77 FR 31344 - Grand Valley Irrigation Company; Notice of Application Accepted for Filing and Soliciting...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-05-25

    ...Project No. 14377-000] Grand Valley Irrigation Company; Notice of Application Accepted...2012. d. Applicant: Grand Valley Irrigation District. e. Name of Project: Dividers...would be located on the Grand Valley Irrigation Canal where the Mainline canal...

  1. 76 FR 56966 - Amendment of Class D and Modification of Class E Airspace; Grand Junction, CO

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-09-15

    ...Modification of Class E Airspace; Grand Junction, CO AGENCY: Federal Aviation Administration...modifies Class E airspace at Grand Junction, CO. Additional controlled airspace is necessary...controlled airspace at Grand Junction, CO (76 FR 40293). Interested parties...

  2. 76 FR 20654 - Grand River Dam Authority; Notice of Application Accepted for Filing and Soliciting Comments...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-04-13

    ...Project No. 1494-390] Grand River Dam Authority; Notice of Application Accepted...29, 2010. d. Applicant: Grand River Dam Authority. e. Name of Project: Pensacola...easement will be located on Grand River Dam Authority property in Section 2,...

  3. Grand challenge scientific questions in coupled modeling

    NASA Technical Reports Server (NTRS)

    Koch, Steven

    1993-01-01

    Most convective field experiments in the past (e.g., SESAME, CCOPE, CINDE) have attempted to resolve only the immediate scales of moist convection using network arrays that spanned two or three atmospheric scales at most. Furthermore, these scales have been defined more on practical considerations (cost, manpower, etc.) than on a clear understanding of their theoretical significance. Unfortunately, this has precluded a description of the entire life cycle of MCS's and their interaction with larger scale systems, the land surface, and trace species. Fortunately, the following factors now make it possible to attempt to simulate scale contraction processes from the synoptic scale down to the cloud scale, as well as interactions between complex meteorological, land surface, precipitation, chemical, and hydrologic processes with coupled, multiscale models: the availability of new technology to sample meteorological fields at high temporal and spatial resolution over a broad region made possible by the weather observing modernization program; increased computer power and improved numerical approaches to run limited area models with nonhydrostatic precipitation physics so as to explicitly resolve MCS (Mesoscale Convective System) processes; and four dimensional assimilation of non-conventional data to provide dynamically consistent datasets for diagnostic analysis of nonlinear scale-interactive dynamics. Several examples of scale-interactive processes which present grand challenges for coupled, multiscale modeling were presented.

  4. Grand-mother clocks and quiet lasers

    E-print Network

    Jacques Arnaud; Laurent Chusseau; Fabrice Philippe

    2009-01-08

    Galileo noted in the 16th century that the period of oscillation of a pendulum is almost independent of the amplitude. However, such a pendulum is damped by air friction. The latter may be viewed as resulting from air molecules getting in contact with the pendulum. It follows that air friction, not only damps the oscillation, but also introduces randomness. In the so-called ``grand-mother'' clock, discovered by Huygens in the 18th century, damping is compensated for, on the average, by an escapement mechanism driven by a falling weight. The purpose of this paper is to show that such a clock is, in its idealized form, a quiet oscillator. By ``quiet'' we mean that in spite of the randomness introduced by damping, the dissipated power (viewed as the oscillator output) does not fluctuate slowly. Comparison is made with quiet laser oscillators discovered theoretically in 1984. Because the input power does not fluctuate in both the mechanical oscillator and the quiet laser oscillator, the output power does not fluctuate at small Fourier frequencies, irrespectively of the detailed mechanisms involved.

  5. Grand-mother clocks and quiet lasers

    E-print Network

    Arnaud, Jacques; Philippe, Fabrice

    2009-01-01

    Galileo noted in the 16th century that the period of oscillation of a pendulum is almost independent of the amplitude. However, such a pendulum is damped by air friction. The latter may be viewed as resulting from air molecules getting in contact with the pendulum. It follows that air friction, not only damps the oscillation, but also introduces randomness. In the so-called ``grand-mother'' clock, discovered by Huygens in the 18th century, damping is compensated for, on the average, by an escapement mechanism driven by a falling weight. The purpose of this paper is to show that such a clock is, in its idealized form, a quiet oscillator. By ``quiet'' we mean that in spite of the randomness introduced by damping, the dissipated power (viewed as the oscillator output) does not fluctuate slowly. Comparison is made with quiet laser oscillators discovered theoretically in 1984. Because the input power does not fluctuate in both the mechanical oscillator and the quiet laser oscillator, the output power does not fluc...

  6. SU(8) theory of multigenerational grand unification

    NASA Astrophysics Data System (ADS)

    Yun, Suk Koo

    1984-04-01

    As a concrete example of SU(N) theory of grand unification, an SU(8) model which contains three generations of light fermions and three new generations of heavy fermions (one of which lacks a toplike quark) are presented. The model consists of 8¯L, 28?L, and 56L representations of fermions, and it requires 63 gauge bosons with new generation vector bosons and an extra boson Z0' in addition to the ?, W, Z0, X, and Y bosons in the standard SU(5) model. It satisfactorily embeds all features of the SU(5) model extended to three generations of light fermions, and predicts new interactions such as quantum generation dynamics, which changes generation. This interaction can cause various mixing angles among fermions. The complete gauge interactions and the masses of gauge bosons as well as fermions are derived. The masses of neutral vector bosons Z0 and Z0' are predicted to be, by crude estimates, 92.3>=MZ>=91.5 GeV and > 200 GeV, respectively. The mass of Z0 is practically the same as, but slightly less than, that predicted by the standard SU(2)×U(1) model.

  7. Grand unification and intermediate scale supersymmetry

    NASA Astrophysics Data System (ADS)

    Hall, Lawrence J.; Nomura, Yasunori

    2014-02-01

    With minimal field content and for an interesting range of the supersymmetric Higgs mixing parameter, 0.5 ? tan2 ? ? 2, the superpartner mass scale, , is found to be at the intermediate scale, ~ 1010±1 GeV, near where the Standard Model Higgs quartic coupling passes through zero. For any 4d supersymmetric grand unified symmetry spontaneously broken by a vacuum expectation value , if superpotential interactions for ? are forbidden e.g. by R symmetries, the uneaten color octet, ?8, and weak triplet, ?3, have masses of order m. The combination of superpartner and ?8,3 states leads to successful gauge coupling unification, removing the disastrously high proton decay rate of minimal Standard Model unification. Proton decay could be seen in future experiments if ~ 1011 GeV,but not if it is lower. If there heating temperature after inflation, T R , is less than dark matter may be axions. If T R > , thermal LSP dark matter may lead to the environmental selection of a TeV-scale LSP, either wino or Higgsino, which could comprise all or just one component of dark matter. In the Higgsino case, the dark matter is found to behave inelastically in direct detection experiments, and gauge coupling unification occurs accurately without the need of any threshold corrections.

  8. Convective Dynamo Simulation with a Grand Minimum

    NASA Astrophysics Data System (ADS)

    Augustson, Kyle C.; Brun, A. S.; Miesch, Mark; Toomre, Juri

    2015-01-01

    The global-scale dynamo action achieved in a simulation of a Sun-like star rotating at thrice the solar rate is assessed. The 3-D MHD Anelastic Spherical Harmonic (ASH) code, augmented with a viscosity minimization scheme, is employed to capture convection and dynamo processes in this G-type star. The simulation is carried out in a spherical shell that encompasses 3.8 density scale heights of the solar convection zone. It is found that dynamo action with a high degree of time variation occurs, with many periodic polarity reversals occurring roughly every 6.2 years. The magnetic energy also rises and falls with a regular period. The magnetic energy cycles arise from a Lorentz-force feedback on the differential rotation, whereas the processes leading to polarity reversals are more complex, appearing to arise from the interaction of convection with the mean toroidal fields. Moreover, an equatorial migration of toroidal field is found, which is linked to the changing differential rotation, and potentially to a nonlinear dynamo wave. This simulation also enters a grand minimum lasting roughly 20 years, after which the dynamo recovers its regular polarity cycles.

  9. "P8400564 Grand Valley Project view of GV Diversion Dam ...

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

    "P8-400-564 Grand Valley Project - view of GV Diversion Dam on Col. River completed in 1915 by BOR to divert water to irrigate the Grand Valley Project. 7-18-58 by Stan Rasmussen." Note integration of the dam and canal headgate at center left, proximity of the river and railroad tracks at lower left, and gatekeeper's house on lower right - Grand Valley Diversion Dam, Half a mile north of intersection of I-70 & Colorado State Route 65, Cameo, Mesa County, CO

  10. Thermomechanical models of the Rio Grande rift

    SciTech Connect

    Bridwell, R.J.; Anderson, C.A.

    1980-01-01

    Fully two-dimensional, coupled thermochemical solutions of a continental rift and platform are used to model the crust and mantle structure of a hot, buoyant mantle diapir beneath the Rio Grande rift. The thermomechanical model includes both linear and nonlinear laws of the Weertman type relating shear stress and creep strain rate, viscosity which depends on temperature and pressure, and activation energy, temperature-dependent thermal conductivity, temperature-dependent coefficient of thermal expansion, the Boussinesq approximation for thermal bouyancy, material convection using a stress rate that is invariant to rigid rotations, an elastically deformable crust, and a free surface. The model determines the free surface velocities, solid state flow field in the mantle, and viscosity structure of lithosphere and asthenosphere. Regional topography and crustal heat flow are simulated. A suite of symmetric models, assumes continental geotherms on the right and the successively increasing rift geotherms on the left. These models predict an asthenospheric flow field which transfers cold material laterally toward the rift at > 300 km, hot, buoyant material approx. 200 km wide which ascends vertically at rates of 1 km/my between 175 to 325 km, and spreads laterally away from the rift at the base of the lithosphere. Crustal spreading rates are similar to uplift rates. The lithosphere acts as stiff, elastic cap, damping upward motion through decreased velocities of 1 km/10 my and spreading uplift laterally. A parameter study varying material coefficients for the Weertman flow law suggests asthenospheric viscosities of approx. 10/sup 22/ to 10/sup 23/ poise. Similar studies predict crustal viscosities of approx. 10/sup 25/ poise. The buoyant process of mantle flow narrows and concentrates heat transport beneath the rift, increases upward velocity, and broadly arches the lithosphere. 10 figures, 1 table.

  11. Grande Ronde Basin Fish Habitat Enhancement Project : 1998 Annual Report.

    SciTech Connect

    McGowan, Vance R.; Powell, Russ M.

    1999-05-01

    The primary goal of ''The Grande Ronde Basin Fish Habitat Improvement Project'' is to access, create, improve, protect, and restore reparian and instream habitat for anadromous salmonids, thereby maximizing opportunities for natural fish production within the basin.

  12. Habitat Appraisal Guide for Rio Grande Wild Turkey 

    E-print Network

    Cathey, James; Locke, Shawn; Ransom, Dean; DeMaso, Stephen; Schwertner, T. Wayne; Collier, Bret

    2007-09-04

    The Rio Grande wild turkey habitat appraisal guide gives landowners and managers a standardized, systematic way to evaluate current habitat conditions. It can be used to identify limiting factors. It also contains suggestions for improving...

  13. The DARPA grand challenge - development of an autonomous vehicle

    Microsoft Academic Search

    Reinhold Behringer; Sundar Sundareswaran; Brian Gregory; Richard Elsley; Bob Addison; Wayne Guthmiller; Robert Daily; David Bevly

    2004-01-01

    The DARPA Grand Challenge (DGC) was an opportunity to test autonomous vehicles in a competitive situation. In addition to intelligent behaviour, the participating vehicles must also exhibit ruggedness and endurance in order to survive the fast ride over rough terrain (\\

  14. 72. 451 MADISON AVENUE, GRAND STAIR, ZODIAC CLOCK WITH DECORATIVE ...

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

    72. 451 MADISON AVENUE, GRAND STAIR, ZODIAC CLOCK WITH DECORATIVE CARVING BY STANFORD WHITE AND AUGUSTUS SAINT-GAUDENS - Villard Houses, 451-457 Madison Avenue & 24 East Fifty-first Street, New York, New York County, NY

  15. Sandbar on the Colorado River in Grand Canyon

    USGS Multimedia Gallery

    Sandbar on the Colorado River in Grand Canyon deposited by the 2008 controlled flood. The view is looking downstream and the location is approximately 65 miles downstream from Lees Ferry, Arizona.  ...

  16. Sandbar on the Colorado River in Grand Canyon

    USGS Multimedia Gallery

    Sandbar on the Colorado River in Grand Canyon deposited by 2008 controlled flood. The river is flowing from left to right and the location is approximately 64 miles downstream from Lees Ferry, Arizona....

  17. 59. PLANS FOR HEADGATE INSTALLATION IN GRAND CANAL AT WASHINGTON ...

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

    59. PLANS FOR HEADGATE INSTALLATION IN GRAND CANAL AT WASHINGTON STREET Plan Sheet D-13360, Sheet No. 15 of 20 (delineated by D. Hee, May 1957) - Venice Canals, Community of Venice, Los Angeles, Los Angeles County, CA

  18. Nekton community structure of the Rio Grande estuary 

    E-print Network

    Clark, Randall Dean

    1997-01-01

    Spatial and temporal trends in nekton community structure of the Rio Grande estuary were characterized quarterly during May 1989-February 1990. Bag seine, otter trawl, experimental gill net and hydrographic sampling was ...

  19. Cambridge Grand Junction transit implementation : alternatives, scheduling, cost, and performance

    E-print Network

    Iglesias Cuervo, Jesus

    2012-01-01

    The Grand Junction railroad lies at the heart of East Cambridge adjacent to the Kendall Square business district and the Massachusetts Institute of Technology campus. Over the last one hundred years the railroad has gone ...

  20. 47. PLANS FOR EXISTING THREESPAN PEDESTRIAN BRIDGE OVER GRAND CANAL ...

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

    47. PLANS FOR EXISTING THREE-SPAN PEDESTRIAN BRIDGE OVER GRAND CANAL AT 25TH AVENUE Plan Sheet D-5117 (delineated by R. H. Bacon, April 1939) - Venice Canals, Community of Venice, Los Angeles, Los Angeles County, CA

  1. Mémoires partagées distribuées pour systèmes dynamiques à grande échelle

    Microsoft Academic Search

    Vincent Gramoli

    2007-01-01

    La plupart des systèmes distribués modernes sont à la fois à grande échelle et dynamiques. Cet article met en avant le passage des systèmes distribués classiques aux systèmes dynamiques à grande échelle. Bien que la ré- plication d'un objet (i.e., d'une donnée) à plusieurs endroits du réseau tolère les défaillances, cette technique implique un coût considérable à chaque modification de

  2. Stanley: The Robot That Won the DARPA Grand Challenge

    Microsoft Academic Search

    Sebastian Thrun; Mike Montemerlo; Hendrik Dahlkamp; David Stavens; Andrei Aron; James Diebel; Philip Fong; John Gale; Morgan Halpenny; Gabriel Hoffmann; Kenny Lau; Celia Oakley; Mark Palatucci; Vaughan Pratt; Pascal Stang; Sven Strohband; Cedric Dupont; Lars-Erik Jendrossek; Christian Koelen; Charles Markey; Carlo Rummel; Joe van Niekerk; Eric Jensen; Philippe Alessandrini; Gary Bradski; Bob Davies; Scott Ettinger; Adrian Kaehler; Ara Nefian; Pamela Mahoney

    This article describes the robot Stanley, which won the 2005 DARPA Grand Challenge. Stanley was developed for high-speed desert\\u000a driving without human intervention. The robot’s software system relied predominately on state-of-the-art AI technologies,\\u000a such as machine learning and probabilistic reasoning. This article describes the major components of this architecture, and\\u000a discusses the results of the Grand Challenge race.

  3. 8. VIEW SHOWING THE DEMOSSING OF GRAND CANAL LOCATION UNKNOWN. ...

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

    8. VIEW SHOWING THE DEMOSSING OF GRAND CANAL LOCATION UNKNOWN. AT TEAM OF HORSES ON OPPOSITE BANKS OF THE CANAL DRAG A CHAIN BETWEEN THEM ALONG THE BOTTOM OF THE CANAL, WHICH PULLS THE MOSS AND WEEDS LOOSE. THE PLANS THEN FLOAT DOWN THE CANAL AND ARE CAUGHT IN A SCREEN AND REMOVED. Photographer unknown, 1923 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  4. Lake Powell, Colorado River, Utah and Grand Canyon, Arizona

    NASA Technical Reports Server (NTRS)

    1973-01-01

    In this stark desert scene, Lake Powell, the Colorado River and the Grand Canyon (36.5N, 111.5W) provide the only relief and source of water. The creation of Lake Powell by the building of the Glen Canyon High Dam led directly to the establishment of a National Recreation Area surrounding the lakes. To the south, following the course of the Colorado River, the NE corner of Grand Canyon can be seen.

  5. Methods toward improving 'Grande Rio 66' pepper seed germination

    E-print Network

    Rogers, Barbara Anna

    1980-01-01

    METHODS TOWARD IMPROVING 'GRANDE RIO 66' PEPPER SEED GERMINATION A Thesis by BARBARA ANNA ROGERS Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE May... 1980 Major Subject: Horticulture METHODS TONARD IMPROVING 'GRANDE RIO 66' PEPPER SEED GERMINATION A Thesis by BARBARA ANNA ROGERS Approved as to style and content by: Chairman of Committee Head of epartment em er Member May 1980 ABSTRACT...

  6. 3D View of Grand Canyon, Arizona

    NASA Technical Reports Server (NTRS)

    2000-01-01

    The Grand Canyon is one of North America's most spectacular geologic features. Carved primarily by the Colorado River over the past six million years, the canyon sports vertical drops of 5,000 feet and spans a 445-kilometer-long stretch of Arizona desert. The strata along the steep walls of the canyon form a record of geologic time from the Paleozoic Era (250 million years ago) to the Precambrian (1.7 billion years ago).

    The above view was acquired by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument aboard the Terra spacecraft. Visible and near infrared data were combined to form an image that simulates the natural colors of water and vegetation. Rock colors, however, are not accurate. The image data were combined with elevation data to produce this perspective view, with no vertical exaggeration, looking from above the South Rim up Bright Angel Canyon towards the North Rim. The light lines on the plateau at lower right are the roads around the Canyon View Information Plaza. The Bright Angel Trail, which reaches the Colorado in 11.3 kilometers, can be seen dropping into the canyon over Plateau Point at bottom center. The blue and black areas on the North Rim indicate a forest fire that was smoldering as the data were acquired on May 12, 2000.

    Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) is one of five Earth-observing instruments launched December 18, 1999, on NASA's Terra satellite. The instrument was built by Japan's Ministry of International Trade and Industry. A joint U.S./Japan science team is responsible for validation and calibration of the instrument and the data products. Dr. Anne Kahle at NASA's Jet Propulsion Laboratory, Pasadena, Calif., is the U.S. Science team leader; Moshe Pniel of JPL is the project manager. ASTER is the only high resolution imaging sensor on Terra. The primary goal of the ASTER mission is to obtain high-resolution image data in 14 channels over the entire land surface, as well as black and white stereo images. With revisit time of between 4 and 16 days, ASTER will provide the capability for repeat coverage of changing areas on Earth's surface.

    The broad spectral coverage and high spectral resolution of ASTER will provide scientists in numerous disciplines with critical information for surface mapping, and monitoring dynamic conditions and temporal change. Example applications are: monitoring glacial advances and retreats, monitoring potentially active volcanoes, identifying crop stress, determining cloud morphology and physical properties, wetlands Evaluation, thermal pollution monitoring, coral reef degradation, surface temperature mapping of soils and geology, and measuring surface heat balance.

  7. Old Fire/Grand Prix Fire, California

    NASA Technical Reports Server (NTRS)

    2003-01-01

    On November 18, 2003, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA's Terra satellite acquired this image of the Old Fire/Grand Prix fire east of Los Angeles. The image is being processed by NASA's Wildfire Response Team and will be sent to the United States Department of Agriculture's Forest Service Remote Sensing Applications Center (RSAC) which provides interpretation services to Burned Area Emergency Response (BAER) teams to assist in mapping the severity of the burned areas. The image combines data from the visible and infrared wavelength regions to highlight the burned areas.

    With its 14 spectral bands from the visible to the thermal infrared wavelength region, and its high spatial resolution of 15 to 90 meters (about 50 to 300 feet), ASTER images Earth to map and monitor the changing surface of our planet.

    ASTER is one of five Earth-observing instruments launched December 18, 1999, on NASA's Terra satellite. The instrument was built by Japan's Ministry of Economy, Trade and Industry. A joint U.S./Japan science team is responsible for validation and calibration of the instrument and the data products.

    The broad spectral coverage and high spectral resolution of ASTER provides scientists in numerous disciplines with critical information for surface mapping, and monitoring of dynamic conditions and temporal change. Example applications are: monitoring glacial advances and retreats; monitoring potentially active volcanoes; identifying crop stress; determining cloud morphology and physical properties; wetlands evaluation; thermal pollution monitoring; coral reef degradation; surface temperature mapping of soils and geology; and measuring surface heat balance.

    Michael Abrams at NASA's Jet Propulsion Laboratory (JPL), Pasadena, Calif., is the U.S. science team leader; Bjorn Eng of JPL is the project manager. The Terra mission is part of NASA's Earth Science Enterprise, a long- term research effort dedicated to understanding the Earth as an integrated system and applying Earth System Science to improve prediction of climate, weather, and natural hazards using the unique vantage point of space.

    Size: 60 by 45 kilometers ( 37.5 by 28.1 miles) Location: 34.5 degrees North latitude, 117.1 degrees West longitude Orientation: North at top Image Data: ASTER bands 1, 3, and 4 Original Data Resolution: 15 meters (49.2 feet) Date Acquired: November 18, 2003

  8. Fishes Inhabiting the Rio Grande, Texas and Mexico, Between EI Paso and the Pecos Confluencel

    Microsoft Academic Search

    Clark Hubbs; Robert Rush Miller; Edie Marsh; Gary P. Garrett; Gary L. Powell; D. J. MorrisS; Robert W. Zerr

    The fishes of the middle part of the Rio Grande can be divided into three faunal assemblages: The saline Rio Grande fauna (made up of widely distributed and salt tolerant species) upstream from the Conchas confluence; the Rio Conchos-Rio Grande fauna (mostly south Texas and Mexican species) in the Rio Grande between the Conchos and Pecos; the tributary creek fauna

  9. Chemical Contamination of the Lower Rio Grande near Laredo, TX

    NASA Astrophysics Data System (ADS)

    Flores, B.; Ren, J.; Krishnamurthy, S.; Belzer, W.

    2006-12-01

    The Rio Grande River stretches over 2000 miles from the southern Rocky Mountains in Colorado to the tip of Texas where the Rio Grande meets the Gulf of Mexico. It is the natural boundary between U.S. and Mexico from El Paso, TX, to Brownsville, TX. The communities along the border heavily rely upon the Rio Grande as a primary source of water for consumption, agricultural uses, supporting wildlife and recreation. For many years the Rio Grande has been polluted with municipal, industrial, agricultural and farming contaminants from both sides of the border. This pollution has led to the extinction or reduction of certain wildlife species as well as affecting the health of the residences along the border. Even though great strides have been made in monitoring the Rio Grande, there has been a lack of intense monitoring data collection for pollutants such as pesticides. Three sampling sites including Manadas Creek, the Rio Grande River at International Bridge I, and USGS monitoring site 08459200 off of Highway 83 were chosen. The water quality parameters focused include temperature, pH, conductivity, dissolve oxygen (DO), salinity, total dissolved solids, nutrients, metals and pesticides. Preliminary results have shown elevated concentration of total phosphorus and ortho-phosphorus in the Manadas Creek site. Organochlorinated pesticides such as heptachlor and 4, 4 DDE were detected at various concentrations at all sites and endrin aldehyde was found at Manadas Creek site. This research has provided more information on the current chemical contamination level of the Rio Grande in the Laredo area.

  10. The origin of grand minima in the sunspot cycle

    E-print Network

    Choudhuri, Arnab Rai

    2012-01-01

    One of the most striking aspects of the 11-year sunspot cycle is that there have been times in the past when some cycles went missing, a most well-known example of this being the Maunder minimum during 1645-1715. Analyses of cosmogenic isotopes (C14 and Be10) indicated that there were about 27 grand minima in the last 11,000 yr, implying that about 2.7% of the solar cycles had conditions appropriate for forcing the Sun into grand minima. We address the question how grand minima are produced and specifically calculate the frequency of occurrence of grand minima from a theoretical dynamo model. We assume that fluctuations in the poloidal field generation mechanism and the meridional circulation produce irregularities of sunspot cycles. Taking these fluctuations to be Gaussian and estimating the values of important parameters from the data of last 28 solar cycles, we show from our flux transport dynamo model that about 1-4% of the sunspot cycles may have conditions suitable for inducing grand minima.

  11. The Grand Tour via Geodesic Interpolation of 2-frames

    NASA Technical Reports Server (NTRS)

    Asimov, Daniel; Buja, Andreas

    1994-01-01

    Grand tours are a class of methods for visualizing multivariate data, or any finite set of points in n-space. The idea is to create an animation of data projections by moving a 2-dimensional projection plane through n-space. The path of planes used in the animation is chosen so that it becomes dense, that is, it comes arbitrarily close to any plane. One of the original inspirations for the grand tour was the experience of trying to comprehend an abstract sculpture in a museum. One tends to walk around the sculpture, viewing it from many different angles. A useful class of grand tours is based on the idea of continuously interpolating an infinite sequence of randomly chosen planes. Visiting randomly (more precisely: uniformly) distributed planes guarantees denseness of the interpolating path. In computer implementations, 2-dimensional orthogonal projections are specified by two 1-dimensional projections which map to the horizontal and vertical screen dimensions, respectively. Hence, a grand tour is specified by a path of pairs of orthonormal projection vectors. This paper describes an interpolation scheme for smoothly connecting two pairs of orthonormal vectors, and thus for constructing interpolating grand tours. The scheme is optimal in the sense that connecting paths are geodesics in a natural Riemannian geometry.

  12. History and environmental setting of the Grand Calumet River

    USGS Publications Warehouse

    Nevers, Meredith Becker; Whitman, Richard L.; Gerovac, Paul J.

    2002-01-01

    The Grand Calumet River lies in an area of great ecological diversity, a result of the convergence of three biomes during glaciation. Over thousands of years the region and the river have changed ecologically due to ice retreat, lake level declines, settlement and industrialization. Settlement and industrialization have greatly accelerated the rate of change, and the Grand Calumet River and its basin are now subject to the added effects of years of direct pollution. For years, industries directly discharged into the waterway; and those contaminants remain locked in the sediment a century later. In order to preserve the remaining surrounding natural areas and to improve the Grand Calumet River, buried contaminants would have to be dredged from the river. Restoration needs to be implemented as part of the clean-up process, and recontamination should be prevented.

  13. Environmental Audit of the Grand Junction Projects Office

    SciTech Connect

    Not Available

    1991-08-01

    The Grand Junction Projects Office (GJPO) is located in Mesa County, Colorado, immediately south and west of the Grand Junction city limits. The US Atomic Energy Commission (AEC) established the Colorado Raw Materials Office at the present-day Grand Junction Projects Office in 1947, to aid in the development of a viable domestic uranium industry. Activities at the site included sampling uranium concentrate; pilot-plant milling research, including testing and processing of uranium ores; and operation of a uranium mill pilot plant from 1954 to 1958. The last shipment of uranium concentrate was sent from GJPO in January, 1975. Since that time the site has been utilized to support various DOE programs, such as the former National Uranium Resource Evaluation (NURE) Program, the Uranium Mill Tailings Remedial Action Project (UMTRAP), the Surplus Facilities Management Program (SFMP), and the Technical Measurements Center (TMC). All known contamination at GJPO is believed to be the result of the past uranium milling, analyses, and storage activities. Hazards associated with the wastes impounded at GJPO include surface and ground-water contamination and potential radon and gamma-radiation exposure. This report documents the results of the Baseline Environmental Audit conducted at Grand Junction Projects Office (GJPO) located in Grand Junction, Colorado. The Grand Junction Baseline Environmental Audit was conducted from May 28 to June 12, 1991, by the Office of Environmental Audit (EH-24). This Audit evaluated environmental programs and activities at GJPO, as well as GJPO activities at the State-Owned Temporary Repository. 4 figs., 12 tabs.

  14. Grand potential in thermodynamics of solid bodies and surfaces

    NASA Astrophysics Data System (ADS)

    Rusanov, A. I.; Shchekin, A. K.; Tatyanenko, D. V.

    2009-10-01

    Using the chemical potential of a solid in a dissolved state or the corresponding component of the chemical potential tensor at equilibrium with the solution, a new concept of grand thermodynamic potential for solids has been suggested. This allows generalizing the definition of Gibbs' quantity ? (surface work often called the solid-fluid interfacial free energy) at a planar surface as an excess grand thermodynamic potential per unit surface area that (1) does not depend on the dividing surface location and (2) is common for fluids and solids.

  15. The Verifying Compiler, a Grand Challenge for Computing Research

    Microsoft Academic Search

    C. A. R. Hoare

    2005-01-01

    \\u000a I propose a set of criteria which distinguish a grand challenge in science or engineering from the many other kinds of short-term\\u000a or long-term research problems that engage the interest of scientists and engineers.\\u000a \\u000a \\u000a The primary purpose of the formulation and promulgation of a grand challenge is to contribute to the advancement of some branch\\u000a of science or engineering. A

  16. Grand Minima: Is The Sun Going To Sleep?

    NASA Astrophysics Data System (ADS)

    Mcintosh, S. W.; Leamon, R. J.

    2014-12-01

    We explore recent observational work which indicate that the energetics of the sun's outer atmosphere have been on a steady decline for the past decade and perhaps longer. Futher, we show that new investigations into evolution of the Sun's global magnetic activity appear to demonstrate a path through which the Sun can go into, and exit from, a grand activity minimum without great difficulty while retaining an activity cycle - only losing sunspots. Are we at the begining of a new grand(-ish) minimum? Naturally, only time will tell, but the observational evidence hint that one may not be far off to what impact on the Sun-Earth Connection.

  17. Grand Yukawonification : SO(10) grand unified theories with dynamical Yukawa couplings

    E-print Network

    Charanjit S. Aulakh; Charanjit K. Khosa

    2014-08-19

    Renormalizable SO(10) grand unified theories (GUTs), extended by $O(N_g)_F$ family gauge symmetry, generate minimal supersymmetric Standard Model flavour structure dynamically via vacuum expectation values of "Yukawon" Higgs multiplets. For concrete illustration and calculability, we work with the fully realistic minimal supersymmetric GUTs based on the $\\bf{210 \\oplus {\\overline{126}}\\oplus 126} $ GUT Higgs system - which were already parameter counting minimal relative to other realistic models. $SO(10)$ fermion Higgs channels $\\bf{{\\overline{126}},10}$($\\mathbf{120}$) extend to symmetric(antisymmetric) representations of $O(N_g)_F$, while $\\mathbf{210,126}$ are symmetric. $N_g=3$ dynamical Yukawa generation reduces the matter fermion Yukawas from 15 to 3 (21 to 5) without (with) the $\\bf{120}$ Higgs. Yukawon GUTs are thus ultraminimal in parameter counting terms. Consistent symmetry breaking is ensured by a hidden sector Bajc-Melfo(BM) superpotential with a pair of symmetric $O(N_g)$ multiplets $\\phi,S $, of which the latter's singlet part $S_s$ breaks supersymmetry and the traceless part $\\hat S $ furnishes flat directions to cancel the $O(N_g)$ D-term contributions of the visible sector. Novel dark matter candidates linked to flavour symmetry arise from both the BM sector and GUT sector minimal supersymmetric Standard Model singlet pseudo-Goldstones. These relics may be viable light($theory (NMSGUT) even sterile neutrinos can appear in certain branches of the flavour symmetry breaking without the tuning of couplings.

  18. Grands Are Grand: A Cross-Generational Learning Experience at the North Museum of Natural History and Science

    NSDL National Science Digital Library

    Esther D. Wahlberg

    2008-01-01

    Grands Are Grand is a monthly informal science program for children ages 3-5 and their grandparents offered by the North Museum of Natural History and Science in Lancaster, Pennsylvania. The lessons include a wide variety of touchable, visual, and audible materials that present opportunities for active exploration and learning. Children are able to touch live animals, feel their skins and skeletons, and watch how they move. By mixing formal presentation with active engagement, the program focuses on the needs of preschool children.

  19. Managing public order at the Australian motorcycle grand prix

    Microsoft Academic Search

    Arthur Veno; Elizabeth Veno

    1992-01-01

    Analysis of chronic violence occurring between police and spectators at the Australian Motorcycle Grand Prix led to the formulation of hypotheses about the causes of the violence. These hypotheses proposed a relationship between the violence and (a) police tactics, (b) spectator and police frustration, (c) facilities at and organization of the event, and (d) media sensationalism. Working with the Victoria

  20. 43. INTERIOR, FIRST FLOOR, SOUTHWEST CORNER OF GRAND STAIRCASE (STAIRS ...

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

    43. INTERIOR, FIRST FLOOR, SOUTHWEST CORNER OF GRAND STAIRCASE (STAIRS G), SIDE AISLE, WEST WALL, THE NEGRO'S CONTRIBUTION IN THE SOCIAL AND CULTURAL DEVELOPMENT OF AMERICA: THE ARTS MURAL - U.S. Department of the Interior, Eighteenth & C Streets Northwest, Washington, District of Columbia, DC

  1. 44. INTERIOR, FIRST FLOOR, NORTHEAST CORNER OF GRAND STAIRCASE (STAIRS ...

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

    44. INTERIOR, FIRST FLOOR, NORTHEAST CORNER OF GRAND STAIRCASE (STAIRS G), SIDE AISLE, EAST WALL, THE NEGRO'S CONTRIBUTION IN THE SOCIAL AND CULTURAL DEVELOPMENT OF AMERICA: RELIGION MURAL (4' x 5' negative; 8' x 10' print) - U.S. Department of the Interior, Eighteenth & C Streets Northwest, Washington, District of Columbia, DC

  2. WATER COMMODIFICATION IN THE LOWER RIO GRANDE VALLEY, TEXAS

    E-print Network

    Hernandez, Manuel

    2011-05-06

    The lower Rio Grande Valley of Texas is one of the poorest regions with the largest population lacking suitable water supply in the entire United States. The region is characterized by low-income, rural and peri-urban communities called ?colonias...

  3. WATER COMMODIFICATION IN THE LOWER RIO GRANDE VALLEY, TEXAS

    E-print Network

    Garcia, Bianca 1989-

    2011-05-06

    The lower Rio Grande Valley of Texas is one of the poorest regions with the largest population lacking suitable water supply in the entire United States. The region is characterized by low-income, rural and peri-urban communities called colonias...

  4. Managing Cotton Insects in the Lower Rio Grande Valley - 2008 

    E-print Network

    Cattaneo, Manda; Kerns, David L.

    2008-04-17

    . Silverleaf Whitefly Silverleaf whitefly (SLWF), Bemisia argenti- folii, formerly known as sweetpotato whitefly, has been a pest of cotton in the Lower Rio Grande Valley since 1990. Its life cycle begins as a yellow-orange, cigar-shaped egg laid on end...

  5. Cambios Geomorfolgicos en el Ro Grande de Aasco (19302004)

    E-print Network

    Gilbes, Fernando

    sinuosidad, longitud y ancho. Para esto se utilizarán fotos aéreas e imágenes de los sensores onda del meandro (Easterbrook, 1999). · Longitud · Ancho METODOLOGÍA Fotos Aéreas e Imágenes Satelitales Para Comparar los cambios sufridos en el río Grande de Añasco se compilaron una serie de fotos

  6. 45. INTERIOR, FIRST FLOOR, SOUTHEAST CORNER OF GRAND STAIRCASE (STAIRS ...

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

    45. INTERIOR, FIRST FLOOR, SOUTHEAST CORNER OF GRAND STAIRCASE (STAIRS G), SIDE AISLE, EAST WALL, THE NEGRO'S CONTRIBUTION IN THE SOCIAL AND CULTURAL DEVELOPMENT OF AMERICA: EDUCATION MURAL - U.S. Department of the Interior, Eighteenth & C Streets Northwest, Washington, District of Columbia, DC

  7. CDROM interstation Pn study along the Rio Grande rift

    NASA Astrophysics Data System (ADS)

    Lastowka, Lynda A.; Sheehan, Anne F.

    Upper mantle velocities in the regions of the Rio Grande rift and the Southern Rockies were investigated using Pn waves from the broadband seismic data obtained from the Continental Dynamics-Rocky Mountain (CDROM) experiment. A velocity of 7.8+/-0.1 km/s on the eastern flank of the Rio Grande rift in New Mexico was measured from epicentral distance vs. travel time data for ten Pn measurements from a south-western New Mexico earthquake that was in-plane with the southern CDROM line. Thirty-two interstation Pn measurements were made using eight western United States earthquakes. Using these measurements another bulk velocity estimate was made by solving for the best-fit velocity for inter-station distances and travel times; this method also shows that the upper mantle beneath the Rio Grande rift has a slow velocity of 7.8+/- 0.1 km/s. This low velocity is consistent with the high heat flow in the Rio Grande rift area and the evidence of modern rifting. Individual measurements made in the north end of the southern Rocky Mountains are near the global average Pn value of 8.1 km/s.

  8. Alt-Energy Grand Prix Inspires an "I Can" Attitude

    ERIC Educational Resources Information Center

    Tessmer, Al; Trzeciak, Mark

    2010-01-01

    This article describes how a team comprised largely of high school students builds and races an E85-fueled car and takes first place at the Bowling Green (Ohio) State University (BGSU) Grand Prix. Free and open to the public, the event features student drivers and crews, racing go-karts powered by renewable, ethanol-based E85 fuel. The track is a…

  9. EVALUATION OF IRRIGATION METHODS FOR SALINITY CONTROL IN GRAND VALLEY

    EPA Science Inventory

    Irrigation return flows in the Upper Colorado River Basin carry large salt loads as a result of contact with the saline soils and the marine derived geologic substratum. The Grand Valley of western Colorado is a major contributor to the salinity problems of the basin and is, ther...

  10. Male Rio Grande Turkey Survival and Movements in the

    Microsoft Academic Search

    Texas Panhandle

    Wildlife managers depend on accurate information regarding wild turkey (Meleagris gallopavo) survival patterns to properly manage turkey populations. Survival patterns of male Rio Grande wild turkeys (M. g. intermedia) have not been studied intensively. Wildlife managers in the Texas Panhandle, USA, and southwestern Kansas, USA, suspected that turkey populations were declining. From January 2000 through August 2002, we studied survival

  11. Promoting Undergraduate Research at Grand Valley State University

    Microsoft Academic Search

    P. Riemersma; F. A. Mekik

    2003-01-01

    Grand Valley State University (GVSU) is a relatively young, rapidly growing, predominately undergraduate institution of about 20,000 students located in western Michigan in which undergraduate research plays a vital role in the education of our students. Student research is supported and actively promoted by 1) creating university funding opportunities and taking advantage of small outside funding sources 2) building a

  12. A Grand Challenge for Computing Research: a mathematical assistant

    E-print Network

    Walsh, Toby

    A Grand Challenge for Computing Research: a mathematical assistant Toby Walsh 1 Cork Constraint dif­ ferential equations). #12; Is this research? Such an assistant will require research in a wide Computation Centre, University College Cork, Ireland. tw@4c.ucc.ie The mathematical assistant Scientists

  13. BARRIERS TO WATER CONSERVATION IN THE RIO GRANDE BASIN1

    Microsoft Academic Search

    Frank A. Ward; Ari M. Michelsen; Leeann DeMouche

    2007-01-01

    The Rio Grande basin shares problems faced by many arid regions of the world: growing and com- peting demands for water and river flows and uses that are vulnerable to drought and climate change. In recent years legislation, administrative action, and other measures have emerged to encourage private investment in efficient agricultural water use. Nevertheless, several institutional barriers discourage irrigators

  14. Kristina Sorensen Acoustics of a Rotating Grand Piano & the Flute

    E-print Network

    Hart, Gus

    Kristina Sorensen Acoustics of a Rotating Grand Piano & the Flute Kristina Sorensen 1 10 June 2011 will be utilizing an acoustical array of microphones to analyze the three-dimensional sound radiation. Computer Relationships of Sound Propagation in both the Frequency and Time Domains Improve Competence in Acoustical

  15. CURRICULUM VITAE: THEODORE KENNEDY Grand Canyon Monitoring and Research Center

    E-print Network

    Lovich, Jeffrey E.

    CURRICULUM VITAE: THEODORE KENNEDY Grand Canyon Monitoring and Research Center United States. PUBLICATIONS: Kennedy, T.A., J.C. Finlay, and S.E. Hobbie. Eradication of invasive saltcedar (Tamarix. Kennedy, T.A. and S.E. Hobbie. Salt cedar invasion (Tamarix ramosissima) alters organic matter dynamics

  16. Winning the DARPA Grand Challenge with an AI Robot

    Microsoft Academic Search

    Michael Montemerlo; Sebastian Thrun; Hendrik Dahlkamp; David Stavens; Sven Strohband

    2006-01-01

    This paper describes the software architecture of Stanley, an autonomous land vehicle developed for high-speed desert driving without human intervention. The vehi- cle recently won the DARPA Grand Challenge, a major robotics competition. The article describes the software architecture of the robot, which relied pervasively on state-of-the-art AI technologies, such as machine learn- ing and probabilistic reasoning.

  17. DEPARTMENT OF UROLOGIC SCIENCES GRAND ROUNDS FOR 2014-2015

    E-print Network

    Ollivier-Gooch, Carl

    DEPARTMENT OF UROLOGIC SCIENCES GRAND ROUNDS FOR 2014-2015 UNIVERSITY OF BRITISH COLUMBIA 0700, The Technology, The Adjuncts. Dr. Ryan Flannigan, Resident PGY- 4 17 Dr. Henry Tran, Urology Resident PGY-4 24 Visiting Professor, Dr. Colin Dinney, Professor and Chairman of Department of Urology at MD Anderson Cancer

  18. DEPARTMENT OF UROLOGIC SCIENCES GRAND ROUNDS FOR 2014-2015

    E-print Network

    Michelson, David G.

    DEPARTMENT OF UROLOGIC SCIENCES GRAND ROUNDS FOR 2014-2015 UNIVERSITY OF BRITISH COLUMBIA 0700, The Technology, The Adjuncts. Dr. Ryan Flannigan, Urology Resident PGY-4 17 Cryptorchidism: Mystery of the Missing Nut Dr. Henry Tran, Urology Resident PGY-4 24 High Risk Non Muscle Invasive Bladder Cancer

  19. DEPARTMENT OF UROLOGIC SCIENCES GRAND ROUNDS FOR 2013-2014

    E-print Network

    Michelson, David G.

    DEPARTMENT OF UROLOGIC SCIENCES GRAND ROUNDS FOR 2013-2014 UNIVERSITY OF BRITISH COLUMBIA 0700, During and After Renal Transplantation Dr. Samir Bidnur, Urology Resident PGY-3 October 2 therapy era Dr. Michael Metcalfe, Urology Resident PGY-4 16 Failure to Launch. Impairments of Primary

  20. DEPARTMENT OF UROLOGIC SCIENCES GRAND ROUNDS FOR 2013-2014

    E-print Network

    Michelson, David G.

    DEPARTMENT OF UROLOGIC SCIENCES GRAND ROUNDS FOR 2013-2014 UNIVERSITY OF BRITISH COLUMBIA 0700 Cell Carcinoma Before, During and After Renal Transplantation Dr. Samir Bidnur, Urology Resident PGY-3 in the targeted therapy era Dr. Michael Metcalfe, Urology Resident PGY-4 16 Failure to Launch. Impairments

  1. Measuring Stream Discharge in Grand Teton National Park

    USGS Multimedia Gallery

    USGS hydrologic technician Bob Reaves collects streamflow measurements from the cableway at the USGS streamgage on the Snake River near Moran, WY. Jackson Lake Dam is shown in the background. Location: USGS streamgage station 13011000, Snake River near Moran, WY, Grand Teton National Park. &nb...

  2. Artificial Immune Systems and the Grand Challenge for

    E-print Network

    Stepney, Susan

    Artificial Immune Systems and the Grand Challenge for Non-Classical Computation Susan Stepney, John Ubiquitous Computing Systems 5. Architecture of Brain and Mind 6. Dependable Systems Evolution 7. Journeys, ... · Artificial Immune Systems #12;AIS : selection models · non-classical bio-inspired algorithms ­ how to exploit

  3. Rotational turbidity flows and the 1929 Grand Banks earthquake

    Microsoft Academic Search

    Doron Nof

    1996-01-01

    Turbidity currents resulting from underwater earthquakes that cause slumps and bring mud into suspension are common in the ocean. The 1929 Grand Banks earthquake, which generated a large turbidity current, is a particular interest because, as the current advanced, all the submarine telegraph cables situated downslope were broken in sequence. Since the location and breakage times are known, these successive

  4. Crisscrossing "Grand Canyon": Bridging the Gaps with Computer Conferencing.

    ERIC Educational Resources Information Center

    Minock, Mary; Shor, Francis

    1995-01-01

    Notes that Interdisciplinary Studies Program faculty at Wayne State University devised courses and assignments using computer conferencing to create a collaborative, democratic, and nonauthoritarian learning community. Discusses an assignment based on the film "Grand Canyon" that encouraged students to take on roles of their racial and gender…

  5. Climate Change: A Grand Software Challenge Steve Easterbrook

    E-print Network

    Easterbrook, Steve

    Climate Change: A Grand Software Challenge Steve Easterbrook Department of Computer Science is a critical enabling technology in nearly all as- pects of climate change, from the computational models used]: General 1. INTRODUCTION Climate change is likely to be the defining issue of the 21st century. The science

  6. Grand Strand Geology and its impact on Beach Nourishment

    NSDL National Science Digital Library

    Martin Farley

    Brief analysis of the geologic setting of the Grand Strand (Myrtle Beach, South Carolina, and vicinity) coast and the limited occurrence of sand suitable for beach re-nourishment. Students use a USGS Fact Sheet to examine the beach, near offshore, and edge of Coastal Plain geology.

  7. Grand canonical ensembles in general relativity David Klein1

    E-print Network

    Klein, David

    Grand canonical ensembles in general relativity David Klein1 and Wei-Shih Yang2 We develop studied for more than a decade [1, 2, 3, 4]. Recently, in the context of general relativity, the finite for an observer whose worldline follows a timelike Killing vector, and the container is stationary relative

  8. WATER COMMODIFICATION IN THE LOWER RIO GRANDE VALLEY, TEXAS 

    E-print Network

    Garcia, Bianca 1989-

    2011-05-06

    The lower Rio Grande Valley of Texas is one of the poorest regions with the largest population lacking suitable water supply in the entire United States. The region is characterized by low-income, rural and peri-urban communities called colonias...

  9. WATER COMMODIFICATION IN THE LOWER RIO GRANDE VALLEY, TEXAS 

    E-print Network

    Hernandez, Manuel

    2011-05-06

    The lower Rio Grande Valley of Texas is one of the poorest regions with the largest population lacking suitable water supply in the entire United States. The region is characterized by low-income, rural and peri-urban communities called ?colonias...

  10. rseau national des grandes centrales de technologies LES TECHNIQUES DE

    E-print Network

    van Tiggelen, Bart

    réseau national des grandes centrales de technologies LES TECHNIQUES DE LITHOGRAPHIE ET GRAVURE TECHNIQUES DE LITHOGRAPHIE ET GRAVURE DANS LES CENTRALES RENATECH IEF-MINERVE Helge Haas Institut Néel CNRS GRAVURE DANS LES CENTRALES RENATECH Point de départ: Matériaux (Propriétés physiques) But: --> Dispositif

  11. The verifying compiler: A grand challenge for computing research

    Microsoft Academic Search

    Tony Hoare

    2003-01-01

    This contribution proposes a set of criteria that distinguish a grand challenge in science or engineering from the many other kinds of short-term or long-term research problems that engage the interest of scientists and engineers. As an example drawn from Computer Science, it revives an old challenge: the construction and application of a verifying compiler that guarantees correctness of a

  12. Basement extension and salt mobility, southern Grand Banks, Newfoundland

    SciTech Connect

    Balkwill, H.R.; Legall, F.

    1986-05-01

    The Grand Banks, an especially wide cratonic segment of the North American Atlantic continental shelf, extended vigorously during Late Triassic-Aptian rift-phase episodes, accompanied by syntectonic basin filling and large-scale structural disruption. Thereafter, the rift-disrupted domain underwent drift-phase subsidence and was buried by a seaward-prograding continental terrace wedge, in which progressively feeble extension is evident. Rift-faulted cratonic basement is perceptible on industry-acquired reflection seismic profiles from the southern Grand Banks. The profiles also show that Carboniferous and Lower Jurassic salt were the main levels of supracrustal detachment during Jurassic and Early Cretaceous extension. Large salt-mobilized structures within the rift-phase succession include fault-zone sheaths, elongate pillows, aligned piercement spires, and immense walls. These elements parallel large extension faults in basement and, in many places, are superposed on the faults. In striking contrast, upper Aptian and younger drift-phase strata are regionally subhorizontal, and are broken to middle and late Tertiary stratigraphic levels by only a few small extension faults and aligned diapirs. The authors interpret the structural/stratigraphic relationships in the southern Grand Banks to indicate that episodic Mesozoic and Cenozoic basement extension was the principal dynamic agent in determining the timing of salt structures, their orientations, and styles of disruption on enclosing strata. This genetic association may be applicable to other parts of the Grand Banks tectonic province, and possibly to other extensional cratonic margin basins.

  13. 33 CFR 117.478 - Lower Grand River.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ...478 Lower Grand River. (a) The draw of the LA 75 bridge, mile 38.4...to about June 5 (the school year), the draw need not be opened from 6 a.m. to...Monday through Friday except holidays. The draw shall open on signal at any time for...

  14. 33 CFR 117.478 - Lower Grand River.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ...478 Lower Grand River. (a) The draw of the LA 75 bridge, mile 38.4...to about June 5 (the school year), the draw need not be opened from 6 a.m. to...Monday through Friday except holidays. The draw shall open on signal at any time for...

  15. 33 CFR 117.478 - Lower Grand River.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ...478 Lower Grand River. (a) The draw of the LA 75 bridge, mile 38.4...to about June 5 (the school year), the draw need not be opened from 6 a.m. to...Monday through Friday except holidays. The draw shall open on signal at any time for...

  16. Workshop and conference on Grand Challenges applications and software technology

    SciTech Connect

    Not Available

    1993-12-31

    On May 4--7, 1993, nine federal agencies sponsored a four-day meeting on Grand Challenge applications and software technology. The objective was to bring High-Performance Computing and Communications (HPCC) Grand Challenge applications research groups supported under the federal HPCC program together with HPCC software technologists to: discuss multidisciplinary computational science research issues and approaches, identify major technology challenges facing users and providers, and refine software technology requirements for Grand Challenge applications research. The first day and a half focused on applications. Presentations were given by speakers from universities, national laboratories, and government agencies actively involved in Grand Challenge research. Five areas of research were covered: environmental and earth sciences; computational physics; computational biology, chemistry, and materials sciences; computational fluid and plasma dynamics; and applications of artificial intelligence. The next day and a half was spent in working groups in which the applications researchers were joined by software technologists. Nine breakout sessions took place: I/0, Data, and File Systems; Parallel Programming Paradigms; Performance Characterization and Evaluation of Massively Parallel Processing Applications; Program Development Tools; Building Multidisciplinary Applications; Algorithm and Libraries I; Algorithms and Libraries II; Graphics and Visualization; and National HPCC Infrastructure.

  17. When did the Grand Canyon Begin to Form?

    NSDL National Science Digital Library

    Mary LeFever

    2008-03-14

    This post, originally published in the Connecting News with National Science Education Standards blog, deals with the findings suggesting the Grand Canyon is two to three times older than commonly believed. Ideas for engaging students in a thoughtful discussion about these research findings are provided.

  18. Results from the KASCADE, KASCADE-Grande, and LOPES experiments

    E-print Network

    J. R. Hoerandel

    2005-11-22

    The origin of high-energy cosmic rays in the energy range from 10^14 to 10^18 eV is explored with the KASCADE and KASCADE-Grande experiments. Radio signals from air showers are measured with the LOPES experiment. An overview on results is given.

  19. The Grand Canyon: The Top Two Rock Layers

    NSDL National Science Digital Library

    2006-01-01

    Watch this short video clip to learn more about the rock layers of the Grand Canyon. This video discusses the two sandstone formations that comprise the uppermost part of the canyon. The video also discusses how the two sandstone layers were formed.

  20. UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL INSTITUTO DE INFORMTICA

    E-print Network

    Paris-Sud XI, Université de

    . Jean-Christophe Buisson Directeur de Thèse (INPT) Toulouse, Juin 2010. tel-00620755,version1-8Sep2011'Universidade Federal do Rio Grande do Sul (Brésil), 2010. Directeurs de thèse: Luís Otávio ALVARES et Jean Automatique. 4. Agents Autonomes. 5. Induction de Concepts. 6. Développement Cognitif Artificiel. 7. Piaget. 8

  1. Grand Challenges for Computing Research: SELF-REFLECTIVE MACHINE LEARNING

    E-print Network

    Kazakov, Dimitar

    Grand Challenges for Computing Research: SELF-REFLECTIVE MACHINE LEARNING Dimitar Kazakov CS Dept of oneself the ultimate challenge for the daring intellect. The ability for self-reflection as a general the outputs. These pairs of input-output observations would constitute the data for self-reflective learning

  2. VENICE'S CANAL GRANDE REPRESENTATION WITH INTERACTIVE CARTOGRAPHIC SOFTWARE

    Microsoft Academic Search

    Davide Miniutti; Francesco Guerra; Giovanni Auditore

    The potential offered by computer aided cartography allow us to reuse and reference historical charts. Properly georeferenced, this kind of material offers new, invaluable information. These techniques have been experimented on in the Canal Grande in Venice, one of the most important historical documents with many planimetric and vertical representations. The first step in the work consisted in the photogrammetric

  3. NASA's Asteroid Initiative Asteroid Redirect Mission and Grand Challenge

    E-print Network

    NASA's Asteroid Initiative Asteroid Redirect Mission and Grand Challenge Robert Lightfoot, NASA's Asteroid Initiative · NASA is leveraging relevant portions of science, space technology, and human exploration capabilities toward a first-ever mission to capture and redirect a near Earth asteroid to earth

  4. IRRIGATION PRACTICES AND RETURN FLOW SALINITY IN GRAND VALLEY

    EPA Science Inventory

    This study was undertaken to evaluate the relationships between leachate volume and chemical quality. A numerical model of soil moisture and salt transport was used. Field data were collected on 63 research plots located in the Grand Valley, Colorado. From the calibration of the ...

  5. The Grand Canyon of the Yellowstone Online Tour

    NSDL National Science Digital Library

    Yellowstone National Park

    This Yellowstone National Park website offers an online tour of the Grand Canyon of the Yellowstone. Prominent viewpoints of the canyon are highlighted with photos and information concerning their history. Other stops include information on giant glacial boulders and waterfalls. Similar tours of the Old Faithful area, the Norris Geyser Basin, the Fountain Paint Pots, and the Mammoth Hot Springs are also available online.

  6. A Generally Covariant Wave Equation for Grand Unified Field Theory

    Microsoft Academic Search

    Myron W. Evans

    2003-01-01

    A generally covariant wave equation is derived geometrically for grand unified field theory. The equation states most generally that the covariant d'Alembertian acting on the vielbein vanishes for the four fields which are thought to exist in nature: gravitation, electromagnetism, weak field and strong field. The various known field equations are derived from the wave equation when the vielbein is

  7. RioGrande Wild Turkey Life History and Management Calendar

    E-print Network

    Locke, Shawn; Cathey, James; Collier, Bret; Hardin, Jason

    2008-05-08

    ResearchScientist/DepartmentofWildlifeandFisheriesSciences,allof TheTexasA&MSystem;andTurkeyProgramCoordinator,TexasParksand WildlifeDepartment. Rio Grande Wild Turkey Life History and Management Calendar Shawn Locke, James C. Cathey, Bret Collier and Jason Hardin* SEPT OCT NOV DEC JAN FEB MAR APR MAY JUNE JULY AUG...

  8. Collaborative Care for Children: A Grand Rounds Presentation

    ERIC Educational Resources Information Center

    Foley, Michele; Dunbar, Nancy; Clancy, Jeanne

    2014-01-01

    At the end of the 2011-2012 school year, two collaborative initiatives took place in Springfield, MA, between the public school system and Baystate Medical Center, an affiliate of Tufts University. The success of these initiatives was highlighted during grand rounds that featured academic medical center physicians and nurses as well as public…

  9. Data Mining: Data Analysis on a Grand Scale? Padhraic Smyth

    E-print Network

    Smyth, Padhraic

    Data Mining: Data Analysis on a Grand Scale? Padhraic Smyth Information and Computer Science for Statistical Methods in Medical Research, September 2000 1 #12;Abstract Modern data mininghas evolvedlargelyas aresult ofe orts bycomputer scientists to address the needs of data owners" in extracting useful

  10. Saunders Mac Lane 1909-2005 Meeting a Grand Leader

    E-print Network

    Tholen, Walter

    Saunders Mac Lane 1909-2005 Meeting a Grand Leader Walter Tholen Preamble It was in August of 2000 at the Category Theory meeting in Como, Italy, when I saw Saunders Mac Lane for the last time. The ambulance turned in front of the conference site, the stately Villa Olmo at the lake shore, and Saunders, who had

  11. 44. CROSS SECTION OF GRAND CANAL (not to scale, but ...

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

    44. CROSS SECTION OF GRAND CANAL (not to scale, but representative of all six canals) Plan Sheet D-29976, Venice Canals Rehabilitation, Sheet No. 7 of 26 (delineated by T. Wu and E. Lee, March 1991) - Venice Canals, Community of Venice, Los Angeles, Los Angeles County, CA

  12. 61. PAGE THREE OF PLANS FOR GRAND CANAL AT WASHINGTON ...

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

    61. PAGE THREE OF PLANS FOR GRAND CANAL AT WASHINGTON STREET TIDEGATE SYSTEM REHABILITATION Plan Sheet D-28451, Sheet No. 3 of 3 (delineated by H. V. Nguyen, November 1985) - Venice Canals, Community of Venice, Los Angeles, Los Angeles County, CA

  13. 60. PAGE TWO OF PLANS FOR GRAND CANAL AT WASHINGTON ...

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

    60. PAGE TWO OF PLANS FOR GRAND CANAL AT WASHINGTON STREET TIDEGATE SYSTEM REHABILITATION Plan Sheet D-28451, Sheet No. 2 of 3 (delineated by H. V. Nguyen, November 1985) - Venice Canals, Community of Venice, Los Angeles, Los Angeles County, CA

  14. 'BEST MANAGEMENT PRACTICES' FOR SALINITY CONTROL IN GRAND VALLEY

    EPA Science Inventory

    A nontechnical summary of several research activities in the Grand Valley is given. Analyses of alternative measures of reducing the salt load originating from the Valley as a result of irrigation return flows are presented. These alternatives include conveyance channel linings, ...

  15. Llano Grande Center's Oral History Project Sparks Cultural and Economic Renewal in Texas's Rio Grande Valley. Rural Trust Featured Project.

    ERIC Educational Resources Information Center

    Null, Elizabeth Higgins

    The Llano Grande Center for Research and Development started as an oral history experiment in two of Texas's poorest school districts. Since the 1920s, when this arid region in the southernmost tip of Texas was first transformed into the orchards and farmlands of the "Magic Valley," workers of Mexican descent have worked the land. Over time,…

  16. Pathogens in Rio Grande River Water Few studies have evaluated the microbial quality of the Rio Grande River despite its

    E-print Network

    Grande River irrigation water. Cryptosporidium and Giardia cause diarrheal illness and have been responsible for numerous waterborne and foodborne disease outbreaks. The disease caused by Cryptosporidium (genotyping) is under way to determine the human or animal ori-· gin of the detected Cryptosporidium

  17. 12. CCC RUBBLE PAVING IN GRAND CANAL AT 4E10N NEAR ...

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

    12. CCC RUBBLE PAVING IN GRAND CANAL AT 4E-10N NEAR 83RD AVENUE AND BETHANY HOME ROAD, GLENDALE. Photographer unknown, January 18, 1938 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  18. 78 FR 60994 - Culturally Significant Objects Imported for Exhibition Determinations: “In Grand Style...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-10-02

    ...Exhibition Determinations: ``In Grand Style: Celebrations in Korean Art During the Joseon Dynasty'' SUMMARY: Notice is hereby...included in the exhibition ``In Grand Style: Celebrations in Korean Art during the Joseon Dynasty,'' imported from abroad...

  19. 77 FR 51983 - Availability of Department of Energy EV Everywhere Grand Challenge Initial Framing Document and...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-08-28

    ...Availability of Department of Energy EV Everywhere Grand Challenge Initial Framing Document...SUMMARY: The EV Everywhere Grand Challenge is a U.S. Department...years. President Obama announced the EV Everywhere Challenge on March 7, 2012. The...

  20. 75 FR 10308 - Fire Management Plan, Final Environmental Impact Statement, Record of Decision, Grand Canyon...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-03-05

    ...DEPARTMENT OF THE INTERIOR National Park Service Fire Management Plan, Final Environmental Impact...Environmental Impact Statement for the Fire Management Plan, Grand Canyon National...availability of the Record of Decision for the Fire Management Plan, Grand Canyon...

  1. 75 FR 11938 - Meridian Automotive Systems, Grand Rapids, MI; Notice of Termination of Investigation

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-03-12

    ...Administration [TA-W-70,227] Meridian Automotive Systems, Grand Rapids, MI; Notice...official on behalf of workers of Meridian Automotive Systems, Grand Rapids, Michigan (Meridian Automotive). The petitioning group of...

  2. Efficient Irrigation for Water conservation in the Rio Grande Basin: 2010-2011 Progress and Accomplishments 

    E-print Network

    Kalisek, D.; Harris, B.L.; Runyan, C.; DeMouche, L.

    2011-06-21

    Since 2001, the Efficient Irrigation for Water Conservation in the Rio Grande Basin Federal Initiative— known as the Rio Grande Basin Initiative (RGBI)—has saved more than 5 million acre-feet of water. Researchers, Extension specialists, and county...

  3. A Geomorphological Assessment of Armored Deposits Along the Southern Flanks of Grand Mesa, CO, USA 

    E-print Network

    Brunk, Timothy J.

    2011-08-08

    A series of deposits, located along the southern flanks of Grand Mesa, Colorado, and extending to the south, are problematic, and the processes related to emplacement are not understood. The overall area is dominated by two landform systems, Grand...

  4. 76 FR 42654 - Endangered and Threatened Wildlife and Plants; Petition To List Grand Canyon Cave Pseudoscorpion

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-07-19

    ...ceilings, and floors for animals and invertebrates. He identified 12 invertebrates from the 8 caves. The Grand Canyon cave...unpublished literature on cave-dwelling invertebrates within Grand Canyon National Park, as...

  5. 78 FR 73559 - Moose-Wilson Corridor Comprehensive Management Plan, Environmental Impact Statement, Grand Teton...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-12-06

    ...Park, Wyoming. DATES: The National Park Service will accept comments...MooseWilson, at the Grand Teton National Park Headquarters Building, 1 Teton Park Road, Moose...Superintendent, Grand Teton National Park, P.O. Drawer...

  6. 40 CFR 81.83 - Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ...Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region. 81.83 Section...PURPOSES Designation of Air Quality Control Regions § 81.83 Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region. The...

  7. 40 CFR 81.83 - Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ...Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region. 81.83 Section...PURPOSES Designation of Air Quality Control Regions § 81.83 Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region. The...

  8. 40 CFR 81.83 - Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ...Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region. 81.83 Section...PURPOSES Designation of Air Quality Control Regions § 81.83 Albuquerque-Mid Rio Grande Intrastate Air Quality Control Region. The...

  9. 75 FR 9955 - Entergy Operations, Inc.; Grand Gulf Nuclear Station, Unit 1; Environmental Assessment and...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-03-04

    ...Operations, Inc.; Grand Gulf Nuclear Station, Unit 1; Environmental...Significant Impact The U.S. Nuclear Regulatory Commission (NRC...operation of the Grand Gulf Nuclear Station, Unit 1 (GGNS...No changes to the National Pollution Discharge Elimination...

  10. Grand Challenges Special Solicitation The Office of Research and Sponsored Projects issues this Special Request for Proposals (RFP) related

    E-print Network

    Kreinovich, Vladik

    Challenge (NASA) http://www.nasa.gov/mission_pages/asteroids/initiative/grand_ challenge.html Grand Challenge (DOE) http://www1.eere.energy.gov/vehiclesandfuels/electric_vehicle s/index.html Asteroid Grand

  11. 76 FR 40293 - Proposed Amendment of Class D and Modification of Class E Airspace; Grand Junction, CO

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-07-08

    ...Modification of Class E Airspace; Grand Junction, CO AGENCY: Federal Aviation Administration...Junction Regional Airport, Grand Junction, CO. Additional controlled airspace is necessary...Junction Regional Airport, Grand Junction, CO. Additional controlled airspace...

  12. 77 FR 62442 - Safety Zone; Oregon City Bridge Grand Opening Fireworks Display; Willamette River, Oregon City, OR

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-10-15

    ...Safety Zone; Oregon City Bridge Grand Opening Fireworks Display; Willamette River...enforced during the Oregon City Bridge Grand Opening fireworks display from 7:30 p.m...Safety Zone; Oregon City Bridge Grand Opening Fireworks Display; Willamette...

  13. 77 FR 32993 - Notice of Inventory Completion: U.S. Department of Agriculture, Forest Service, Rio Grande...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-06-04

    ...Inventory Completion: U.S. Department of Agriculture, Forest Service, Rio Grande National...SUMMARY: The U.S. Department of Agriculture, Forest Service, Rio Grande National...Program Manager, U.S. Department of Agriculture, Forest Service, Rio Grande...

  14. Sedimentology and stratigraphy of the Palisades, Lower Comanche, and Arroyo Grande areas of the Colorado River Corridor, Grand Canyon, Arizona

    USGS Publications Warehouse

    Draut, Amy E.; Rubin, David M.; Dierker, Jennifer L.; Fairley, Helen C.; Griffiths, Ronald E.; Hazel, Joseph E., Jr.; Hunter, Ralph E.; Kohl, Keith; Leap, Lisa M.; Nials, Fred L.; Topping, David J.; Yeatts, Michael

    2005-01-01

    This report analyzes various depositional environments in three archaeologically significant areas of the Colorado River corridor in Grand Canyon. Archaeological features are built on and buried by fluvial, aeolian, and locally derived sediment, representing a complex interaction between geologic and cultural history. These analyses provide a basis for determining the potential influence of Glen Canyon Dam operations on selected archaeological sites and thus for guiding dam operations in order to facilitate preservation of cultural resources. This report presents initial results of a joint effort between geologists and archaeologists to evaluate the significance of various depositional processes and environments in the prehistoric formation and modern preservation of archaeological sites along the Colorado River corridor in Grand Canyon National Park. Stratigraphic investigations of the Palisades, Lower Comanche, and Arroyo Grande areas of Grand Canyon yield detailed information regarding the sedimentary history at these locations. Reconstruction of past depositional settings is critical to a thorough understanding of the geomorphic and stratigraphic evolution of these three archaeologically significant areas. This examination of past sedimentary environments allows the relative significance of fluvial, aeolian, debris-fan, and slope-wash sedimentary deposits to be identified at each site. In general the proportion of fluvial sediment (number and thickness of flood deposits) is shown to decrease away from the river, and locally derived sediment becomes more significant. Flood sequences often occur as 'couplets' that contain a fluvial deposit overlain by an interflood unit that reflects reworking of fluvial sediment at the land surface by wind and local runoff. Archaeological features are built on and buried by sediment of various depositional environments, implying a complex interaction between geologic and cultural history. Such field analysis, which combines geological and archaeological information and techniques, can provide a basis for future determination of the effects of Glen Canyon Dam operations on selected areas of the river corridor. This knowledge is essential to the development of preservation strategies for cultural resources in Grand Canyon.

  15. FAST. FRIENDLY. FREE. Due to Grand Prix racing in the downtown area, revised routes and

    E-print Network

    Weber, David J.

    FAST. FRIENDLY. FREE. Due to Grand Prix racing in the downtown area, revised routes and schedules GRAND PRIX September 2 - September 4ORANGE ROUTE Eutaw Street Charles Street Calvert Street Gay Street City Circulator TEMPORARY OPERATING HOURS for The Baltimore Grand Prix Revised hours of operation

  16. 78 FR 28164 - Special Local Regulation; Aguada Offshore Grand Prix, Bahia de Aguadilla; Aguada, PR

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-05-14

    ...Local Regulation; Aguada Offshore Grand Prix, Bahia de Aguadilla; Aguada, PR AGENCY...Puerto Rico during the Aguada Offshore Grand Prix, a high speed boat race. The event is...States during the Aguada Offshore Grand Prix. D. Discussion of Proposed Rule On...

  17. The Construction and Maintenance Plan for a Grand Banks Multi-Purpose Pipeline

    E-print Network

    Bruneau, Steve

    The Construction and Maintenance Plan for a Grand Banks Multi-Purpose Pipeline D.W. (Don) Wilson, Director, North Atlantic Pipeline Partners, L.P. NOIA 2000 Conference June, 2000 #12;Grand Banks Multi-Purpose Pipeline Route January 2000 Grand Banks of Newfoundland Newfoundland Come by Chance St. John's Argentia 50o

  18. Historical Range of Variability for Forest Vegetation of the Grand Mesa National

    E-print Network

    Historical Range of Variability for Forest Vegetation of the Grand Mesa National Forest, Colorado;HISTORICAL RANGE OF VARIABILITY FOR FOREST VEGETATION OF THE GRAND MESA NATIONAL FOREST, COLORADO FINAL and Acknowledgements This assessment of the historic range of variability (HRV) of the forest vegetation of Grand Mesa

  19. 76 FR 53051 - Safety Zone; ISAF Nations Cup Grand Final Fireworks Display, Sheboygan, WI

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-08-25

    ...1625-AA00 Safety Zone; ISAF Nations Cup Grand Final Fireworks Display...Department of Transportation, West Building Ground Floor, Room W12-140...Background and Purpose The ISAF Nations Cup Grand Final fireworks are...T09-0755 Safety Zone; ISAF Nations Cup Grand Final Fireworks...

  20. MERCURY-RELATED RESEARCH/MONITORING ACTIVITIES GRAND BAY NATIONAL ESTUARINE RESEARCH RESERVE, MISSISSIPPI

    E-print Network

    · Ecotoxicology and Risk Assessment of Mercury in the Grand Bay National Estuarine Research Reserve - Jackson Algal Assemblages: Source of Methyl-mercury from the Sediment ­ Dauphin Island Sea Lab (2007-present for Ecological Risk Assessment of the Grand Bay NERR ­ Jackson State University, Grand Bay NERR, Mississippi

  1. Grand Challenges and Opportunities Supply Chain Networks: From Analysis to Design

    E-print Network

    Nagurney, Anna

    Grand Challenges in Supply Chain Networks #12;Examples of Supply Chains food and food products high tech supply chains supply chains in nature. Anna Nagurney Grand Challenges in Supply Chain Networks #12;FoodGrand Challenges and Opportunities in Supply Chain Networks: From Analysis to Design Anna Nagurney

  2. The Grand Challenges for Engineering in the 21st

    NASA Astrophysics Data System (ADS)

    Katsouleas, Thomas

    2014-10-01

    The Grand Challenges for Engineering in the 21st century identified by the NAE re-frame the engineering profession in human facing terms rather than in terms of disciplines or devices. Nevertheless, plasmas will play a major role in solving many of these challenges. The challenges involve making the world more sustainable, more healthful, more secure and more joyful. From the challenge of Provide Clean Water (to nearly a billion people who lack regular access to it), to Provide Energy from Fusion and Engineer the Tools of Scientific Discovery, plasmas will play an essential role. This talk highlights progress on the NAE Grand Challenges and the role that plasmas are playing in addressing them. Particular attention will be given to plasma-based particle accelerators and the question of whether they really offer a path to smaller, cheaper accelerators that could impact human health through cancer therapies or enable new discoveries at the high energy frontier.

  3. Volume terms for charged colloids: a grand-canonical treatment

    E-print Network

    Bas Zoetekouw; Rene van Roij

    2006-02-28

    We present a study of thermodynamic properties of suspensions of charged colloids on the basis of linear Poisson-Boltzmann theory. We calculate the effective Hamiltonian of the colloids by integrating out the ionic degrees of freedom grand-canonically. This procedure not only yields the well-known pairwise screened-Coulomb interaction between the colloids, but also additional volume terms which affect the phase behavior and the thermodynamic properties such as the osmotic pressure. These calculations are greatly facilitated by the grand-canonical character of our treatment of the ions, and allow for relatively fast computations compared to earlier studies in the canonical ensemble. Moreover, the present derivation of the volume terms are relatively simple, make a direct connection with Donnan equilibrium, yield an explicit expression for the effective screening constant, and allow for extensions to include, for instance, nonlinear effects.

  4. Late archaic settlement systems in the northern Rio Grande

    SciTech Connect

    Vierra, Bradley J.

    2003-01-01

    Last year at these meetings I proposed a possible seasonal transhumance pattern for the Late Archaic in the northern Rio Grande region. This pattern involved the movement of groups from the lowland juniper-savanna grasslands in the early summer, to the upland ponderosa pindmixed conifer forests in the mid to late summer, and then back down to the piiion-juniper woodlands during the fall. The Rio Grande Valley was also used for winter habitation sites. Following on this research, I take the next step by studying the inter-assemblage variability represented in a sample of open-air sites located within each of these vegetation communities. The results indicate that there are significant differences in reduction tactics represented between valley habitation vs., upland campsites, and that these site sites are linked together by obsidian procurement patterns.

  5. The Origin of Families and $SO(18)$ Grand Unification

    E-print Network

    BenTov, Yoni

    2015-01-01

    We exploit a recent advance in the study of topological superconductors to propose a solution to the nagging family puzzle of particle physics in the context of SO(18) (or more correctly, Spin(18)) grand unification. We argue that Yukawa couplings of intermediate strength may allow the mirror matter and extra families to decouple at arbitrarily high energies. As was clear from the existing literature, we have to go beyond the Higgs mechanism in order to solve the family puzzle. A pattern of symmetry breaking which results in the SU(5) grand unified theory with horizontal or family symmetry USp(4) = Spin(5) (or more loosely, SO(5)) leaves exactly three light families of matter and seems particularly appealing. We comment briefly on an alternative scheme involving discrete non-abelian family symmetries. In a few lengthy appendices we review some of the pertinent condensed matter theory.

  6. City of Grand Rapids Building Solar Roof Demonstration

    SciTech Connect

    DeClercq, Mark; Martinez, Imelda

    2012-08-31

    Grand Rapids, Michigan is striving to reduce it environmental footprint. The municipal government organization has established environmental sustainability policies with the goal of securing 100% of its energy from renewable sources by 2020. This report describes the process by which the City of Grand Rapids evaluated, selected and installed solar panels on the Water/Environmental Services Building. The solar panels are the first to be placed on a municipal building. Its new power monitoring system provides output data to assess energy efficiency and utilization. It is expected to generate enough clean solar energy to power 25 percent of the building. The benefit to the public includes the economic savings from reduced operational costs for the building; an improved environmentally sustainable area in which to live and work; and increased knowledge about the use of solar energy. It will serve as a model for future energy saving applications.

  7. Grande Ronde Basin Supplementation Program; Lostine River, 2001 Annual Report.

    SciTech Connect

    Onjukka, Sam T. (Oregon Department of Fish and Wildlife, Portland, OR); Harbeck, Jim (Nez Perce Tribe, Department of Fisheries Resource Management, Enterprise, OR)

    2003-03-01

    The Northwest Power Planning Council (NPPC) identified supplementation as a high priority to achieve its goal of increasing runs of anadromous fish in the Columbia Basin. Supplementation activities in the Lostine River and associated monitoring and evaluation conducted by the Nez Perce Tribe relate directly to the needs addressed in the Columbia River Basin Fish and Wildlife Program (NPPC 1994). Measure 7.4L.1 of the Program mandates that appropriate research accompany any proposed supplementation. In addition, measure 7.3B.2 of the Program stresses the need for evaluating supplementation projects to assess their ability to increase production. Finally, Section 7.4D.3 encourages the study of hatchery rearing and release strategies to improve survival and adaptation of cultured fish. In 1997, Oregon Department of Fisheries and Wildlife (ODFW) requested a modification of Permit 1011 to allow the take of adult spring chinook salmon. In 1998, the Nez Perce Tribe also requested a permit specific to activities on Lostine River. The permit was issued in 2000. A special condition in the permits required the development of a long term management plan for the spring chinook salmon of the Grande Ronde Basin. The Nez Perce Tribe, ODFW, and the Confederated Tribes of the Umatilla Indian Reservation (CTUIR) completed a formal long range plan entitled ''Grande Ronde Basin Endemic Spring Chinook Salmon Supplementation Program''. The program proposes to increase the survival of spring chinook salmon in the Grand Ronde Basin through hatchery intervention. Adult salmon from the Lostine River, Catherine Creek, and the Upper Grande Ronde River are used for a conventional supplementation program in the basin. The Nez Perce program currently operates under the ESA Section 10 Permit 1149.

  8. Biomphalaria molluscs (Gastropoda: Planorbidae) in Rio Grande do Sul, Brazil.

    PubMed

    Pepe, Michele Soares; Caldeira, Roberta Lima; Carvalho, Omar dos Santos; Muller, Gertrud; Jannotti-Passos, Liana Konovaloff; Rodrigues, Alice Pozza; Amaral, Hugo Leonardo; Berne, Maria Elisabeth Aires

    2009-08-01

    The present study was aimed at characterising Biomphalaria species using both morphological and molecular (PCR-RFLP) approaches. The specimens were collected in 15 localities in 12 municipalities of the southern region of the state of Rio Grande do Sul, Brazil. The following species were found and identified: Biomphalaria tenagophila guaibensis, Biomphalaria oligoza and Biomphalaria peregrina. Specimens of the latter species were experimentally challenged with the LE Schistosoma mansoni strain, which showed to be refractory to infection. PMID:19820842

  9. Citrus Variety Trends in the Lower Rio Grande Valley. 

    E-print Network

    Alderman, D. C. (DeForest Charles)

    1951-01-01

    thousands of citrus trees and the growers were faced with a tremendous replanting program, which, in turn, had focused interest on varieties. Fruit production figures, yields per acre, and monetary returns per acre for five varieties of grapefruit... Horticulturist Lower Rio Grande Valley Experiment Station, Weslaco, Texas CONSUMERS FOR THE MOST PART are not concerned about the differences among varieties of citrus fruits. The citrus producer, however, is constantly on the lookout for new and better...

  10. Cotton Irrigation in the Lower Rio Grande Valley. 

    E-print Network

    Gerard, C. J. (Cleveland Joseph); Burleson , C. A.; Crowley, W. R.; Namken, L. N.; Bloodworth, M. E.

    1964-01-01

    Cotton Irrigation' In the Lower Rio Grande Valley TEXAS A&M UNIVERSITY ^ Texas Agricultural Experiment Station R. E. Patterson, Director, College Station, Texas I cooperation with the U. 5. Department of Agriculture ' Summary Irrigation... on the Willacy loam I occurred at lower soil depths because some root develop 1 ment was found to occur at 3 to 5 feet. Because of restricted root growth on Harlingen clay, cotton grown on this and similar soils must be irrigated more frequently than cotton...

  11. 6-arm blue grand design of NGC 309

    NASA Astrophysics Data System (ADS)

    Chernin, A. D.

    The geometry and physics of the spiral structure of the giant Hubble type Sc galaxy NGC 309 is studied. A schematic of two patterns with three arms in each is suggested for the blue spiral. The red and blue patterns form together a grand design with two- fold symmetry. A possible gas-dynamics explanation of the phenomenon is suggested which shows how the two-arm red spiral may induce the formation of the six-arm coherent blue spiral.

  12. Grand Canyon Exercise: Geological Time, History, and Sedimentary Environments.

    NSDL National Science Digital Library

    Dexter Perkins

    1998-01-01

    This site presents a take-home web-based project for introductory geology students. The exercise has the students interpreting the sedimentary geology (lithology and fossils) of the Grand Canyon to create a geological history for the region. It is an open-ended exercise with no absolutely correct answer; it involves students acting as scientists - that is, the way real scientists think and combine information to come up with explanations.

  13. Biology of the Rio Grande border region : a bibliography

    USGS Publications Warehouse

    Johnson, Lynne E.; Jacobs, Linda J.; Papoulias, Diana

    1997-01-01

    This bibliography includes 1,913 references to the literature of the Rio Grande (Rio Bravo del Norte). The specific geographic area covered extends 100 km on either side of the river from Elephant Butte Dam in New Mexico to the Gulf of Mexico. The bibliography focuses on the biological literature, divided into major subject areas, and also includes supporting literature from the physical and environmental sciences.

  14. Science Sampler: Map your way to the Grand Canyon

    NSDL National Science Digital Library

    Holly Yoder

    2005-10-01

    How do urban eighth graders from the flatlands of Indiana capture the poetry and grandeur of the Grand Canyon without ever leaving the classroom? By talking and touching and seeing and smelling and listening and...writing. Enhance your eighth-grade geology unit by implementing this inquiry-based activity that stimulates the senses and uses writing as a means of assessment and as a creative outlet into your science curriculum.

  15. Phase structure of black branes in grand canonical ensemble

    Microsoft Academic Search

    J. X. Lu; Shibaji Roy; Zhiguang Xiao

    2011-01-01

    This is a companion paper of our previous work [1] where we studied the thermodynamics and phase structure of asymptotically flat black p-branes in a cavity in arbitrary dimensions D in a canonical ensemble. In this work we study the thermodynamics and phase structure of the same in a grand canonical ensemble.\\u000a Since the boundary data in two cases are

  16. Backcountry water quality in Grand Teton National Park

    USGS Publications Warehouse

    Tippets, N.; O'Ney, S.; Farag, A.M.

    2001-01-01

    Over the past several decades, visitor use of the backcountry areas of Grand Teton National Park (Wyoming) has dramatically increased. The water quality of clear, sparkling mountain streams and lakes is being impacted by concentrated recreational use where, because of the potential for future wilderness designation, no restroom facilities are available. Park officials are concerned about the impacts that these activities have on water quality, and that the consumption of untreated water from these areas may pose a hazard to human health.

  17. Differential compaction mechanism for earth fissures near Casa Grande, Arizona.

    USGS Publications Warehouse

    Jachens, R.C.; Holzer, T.L.

    1982-01-01

    Precise gravity measurements indicate that earth fissures or tension cracks caused by ground-water withdrawal within a 10km2 area SE of Casa Grande are associated with relief on the buried interface between the alluvial aquifer and underlying bedrock. These relations suggest that the fissures are forming in response to localized differential compaction caused by localized variations of aquifer-system thickness. -from Authors

  18. Grand Unified Theories and the origin of the baryon asymmetry

    Microsoft Academic Search

    E. W. Kolb; M. S. Turner

    1983-01-01

    In this article we review the great progress made over the past few years in relating the baryon asymmetry to reactions predicted by GUTs to have taken place about 10⁻³⁴s after the bang. Since no one complete and unified model has emerged as the Grand Unified Theory, it is not possible to make an exact prediction for the magnitude and\\/or

  19. Seismic Evidence for an Active Southern Rio Grande Rift

    NASA Astrophysics Data System (ADS)

    Thompson, L. E.; Velasco, A. A.

    2010-12-01

    Competing models exist to explain what caused the Earth’s crust to spread apart 29 million years ago to create a region known today as the Rio Grande Rift (RGR). The RGR extends from central Colorado through New Mexico to northern Mexico, near El Paso. A growing body of evidence shows that geologic activity still occurs in the RGR, with a continuation of faulting, seismicity and a small widening rate. We map of the seismic velocity structure and crustal thickness using data from the Rio Grande Rift Seismic TRAnsect (RISTRA) experiment and the EarthScope Transportable Array (USArray) dataset. In addition to the data we collected from the RISTRA experiment and USArray dataset, we also acquired receiver functions from the EarthScope Automatic Receiver Survey (EARS) website (http://www.earthscope.org/data) and waveform data from the Incorporated Research Institutes for Seismology (IRIS) Data Management Center (DMC). In particular, we requested seismograms from the IRIS DMC database where we acquired teleseismic events from Jan 2000 to Dec 2009. This includes 7,259 seismic events with a minimum magnitude of 5.5 and 106,389 continuous waveforms. This data was preprocessed (merged, rotated) using a program called Standing Order of Data (SOD). We computed receiver functions and receiver function stacks for all data in the Southern Rio Grande Rift (SRGR). We map the crustal thickness, seismic velocity, and mantle structure to better determine the nature of tectonic activity that is presently taking place and further investigate the regional extension of the Southern Rio Grande Rift (SRGR). Here we present results of the crustal and velocity structure using the kriging interpolation scheme and interpret our results in relation to southern RGR deformation and extension.

  20. Harmonic superposition method for grand-canonical ensembles

    NASA Astrophysics Data System (ADS)

    Calvo, F.; Wales, D. J.

    2015-03-01

    The harmonic superposition method provides a unified framework to the equilibrium and relaxation kinetics on complex potential energy landscapes. Here we extend it to grand-canonical statistical ensembles governed by chemical potentials or chemical potential differences, by sampling energy minima corresponding to the various relevant sizes or compositions. The method is applied and validated against conventional Monte Carlo simulations for the problems of chemical equilibrium in nanoalloys and hydrogen absorption in bulk and nanoscale palladium.

  1. Tomato Varieties and Fertilizers for the Lower Rio Grand Valley.

    E-print Network

    Friend, W. H. (William Heartsill)

    1931-01-01

    LTBRARY. A M COLLEGE. CBWPUS. TEXAS AGRICULTURAL EXPERIMENT STATION A. B. CONNER, DIRECTOR College Station, Brazos County, Texas BULLETIN NO. 438 NOVEMBER, 1931 DIVISION OF HORTICULTURE B ' , %> I . Tomato Varieties and Fertilizers far..., 1931. **In roopc.ration with U. S. Drpartmcnt of Agriculture. Tomato production is one of the leading truck-gardening enterprises in the Lower Rio Grande VaIley. The annual pro- duction of tomatoes has increased from 946 cars in 1926-27 to 2...

  2. Field Studies of Geothermal Reservoirs Rio Grande Rift, New Mexico

    SciTech Connect

    James C Witcher

    2002-07-30

    The Rio Grande rift provides an excellent field laboratory to study the nature of geothermal systems in an extensional environment. Much of the geologic complexity that is found in the Basin and Range is absent because the rift is located on cratonic crust with a thin and well-characterized Phanerozoic stratigraphy and tectonic history. On the other hand, the Neogene thermo-tectonic history of the rift has many parallels with the Basin and Range to the west. The geology of the southern Rio Grande rift is among the best characterized of any rift system in the world. Also, most geologic maps for the region are rather unique in that detailed analyses of Quaternary stratigraphic and surficial unit are added in concert with the details of bedrock geology. Pleistocene to Holocene entrenchment of the Rio Grande and tributaries unroofs the alteration signatures and permeability attributes of paleo outflow plumes and upflow zones, associated with present-day, but hidden or ''blind,'' hydrothermal systems at Rincon and San Diego Mountain.

  3. Electrical resistance sensors record spring flow timing, Grand Canyon, Arizona.

    PubMed

    Adams, Eric A; Monroe, Stephen A; Springer, Abraham E; Blasch, Kyle W; Bills, Donald J

    2006-01-01

    Springs along the south rim of the Grand Canyon, Arizona, are important ecological and cultural resources in Grand Canyon National Park and are discharge points for regional and local aquifers of the Coconino Plateau. This study evaluated the applicability of electrical resistance (ER) sensors for measuring diffuse, low-stage (<1.0 cm) intermittent and ephemeral flow in the steep, rocky spring-fed tributaries of the south rim. ER sensors were used to conduct a baseline survey of spring flow timing at eight sites in three spring-fed tributaries in Grand Canyon. Sensors were attached to a nearly vertical rock wall at a spring outlet and were installed in alluvial and bedrock channels. Spring flow timing data inferred by the ER sensors were consistent with observations during site visits, with flow events recorded with collocated streamflow gauging stations and with local precipitation gauges. ER sensors were able to distinguish the presence of flow along nearly vertical rock surfaces with flow depths between 0.3 and 1.0 cm. Laboratory experiments confirmed the ability of the sensors to monitor the timing of diffuse flow on impervious surfaces. A comparison of flow patterns along the stream reaches and at springs identified the timing and location of perennial and intermittent flow, and periods of increased evapotranspiration. PMID:16961484

  4. Seurat and the Making of La Grande Jatte

    NSDL National Science Digital Library

    Although it seems a touch odd that a museum of the caliber of Art Institute of Chicago has mounted an exhibition based on a single painting, Georges Seurat's A Sunday on La Grande Jatte (1884) is, as stated at the web site, "one of the most beloved, famous, and frequently reproduced paintings in the world ... the painting is an icon and a destination in itself for visitors." To elucidate La Grande Jatte, the show brings together about 130 works of art by Seurat, fellow pointillist painters Paul Signac and Lucien Pissarro, as well as Claude Monet, Pierre Auguste Renoir, and Camille Pissarro. Exhibition themes include Seurat's early years and his color theories, based on optical mixing of colors, and enhancing color intensity by placing dots of contrasting or opposite colors (e.g. red & green) next to each other. There are also sections on Bathing Place, Asnières, a painting that Seurat completed just prior to La Grande Jatte, and Claude Monet's Impressionist paintings of the same landscape. The web site provides enough information to both whet the appetite of those who are willing to travel to Chicago and stand in line for tickets, and to satisfy those who do not wish to make the trip.

  5. Deciphering Solar Magnetic Activity: On Grand Minima in Solar Activity

    E-print Network

    McIntosh, Scott W

    2015-01-01

    The Sun provides the energy necessary to sustain our existence. While the Sun provides for us, it is also capable of taking away. The weather and climatic scales of solar evolution and the Sun-Earth connection are not well understood. There has been tremendous progress in the century since the discovery of solar magnetism - magnetism that ultimately drives the electromagnetic, particulate and eruptive forcing of our planetary system. There is contemporary evidence of a decrease in solar magnetism, perhaps even indicators of a significant downward trend, over recent decades. Are we entering a minimum in solar activity that is deeper and longer than a typical solar minimum, a "grand minimum"? How could we tell if we are? What is a grand minimum and how does the Sun recover? These are very pertinent questions for modern civilization. In this paper we present a hypothetical demonstration of entry and exit from grand minimum conditions based on a recent analysis of solar features over the past 20 years and their p...

  6. Grand unification, axion, and inflation in Intermediate Scale Supersymmetry

    NASA Astrophysics Data System (ADS)

    Hall, Lawrence J.; Nomura, Yasunori; Shirai, Satoshi

    2014-06-01

    A class of supersymmetric grand unified theories is introduced that has a single scale below the cutoff, that of the supersymmetry breaking masses . For a wide range of the dimensionless parameters, agreement with the observed mass of the Higgs boson determines ~ 109-1013 GeV, yielding Intermediate Scale Supersymmetry. We show that within this framework it is possible for seesaw neutrino masses, axions, and inflation to be described by the scale m, offering the possibility of a unified origin of disparate phenomena. Neutrino masses allowing for thermal leptogenesis can be obtained, and the axion decay constant lies naturally in the range f a ~ 109-1011 GeV, consistent with a recent observational suggestion of high scale inflation. A minimal SU(5) model is presented that illustrates these features. In this model, the only states at the grand unified scale are those of the heavy gauge supermultiplet. The grand unified partners of the Higgs doublets have a mass of order m, leading to the dominant proton decay mode p ? K +, which may be probed in upcoming experiments. Dark matter may be winos, with mass environmentally selected to the TeV scale, and/or axions. Gauge coupling unification is found to be successful, especially if the wino is at the TeV scale.

  7. Grand Canyon, Colorado as seen from STS-62

    NASA Technical Reports Server (NTRS)

    1994-01-01

    In this view, the Colorado River can be seen flowing southwest from top left to bottom center-right. The dark wider sections of the river are the water surface of Lake Powell (center, and top left), 110 miles long in a straight line. Grand Canyon National Monument lies lower right, centered on the Grand Canyon of the Colorado River, a 10 mile-wide gash carved more than 5,000 feet deep by the Colorado. The Canyon has cut into the Kaibab Plateau, an uplifted area visible here as a forested area with snow on the highest northern parts. The surrounding parts of the Colorado Plateau are sparsely occupied by brush vegetation and appear yellow-brown. The dark area top right is the wooded country of Black Mesa in Navajoland, divided from Lake Powell by the San Juan River. Four Corners is just outside the pictures (top) where the states of Arizona, Utah, Colorado and New Mexico meet. The Henry Mountains appear top left. Apart from Grand Canyon National Monument, several other famous national mo

  8. Integrating electrodermal biofeedback into pharmacologic treatment of grand mal seizures

    PubMed Central

    Scrimali, Tullio; Tomasello, Damiana; Sciuto, Massimo

    2015-01-01

    Electrodermal activity (EDA) and electrodermal biofeedback, when integrated with pharmacologic treatments, indicate promising methods for the treatment of grand mal seizures. They can be used to monitor patient arousal and help patients learn new strategies to better cope with stress and anxiety. Our proposed method can possibly reduce the number of crises for patients who are dependent on pharmacologic therapy and can improve their quality of life. This article describes the scientific background of electrodermal monitoring and electrodermal biofeedback for patients affected by grand mal seizures. In this study, we have reported a clinical case study. The patient was treated for 2 years with electrodermal biofeedback to augment pharmacologic treatments. The trial has been designed in accordance with “n = 1 case study research”. Our results have shown that our methods could achieve a significant reduction in grand mal seizures and sympathetic arousal when applied. The patient under consideration was also relaxed and exhibited greater competency to cope with stress. Additionally, the patient’s sense of mastery and self-efficacy was enhanced. PMID:26029078

  9. 7056 Federal Register / Vol. 79, No. 25 / Thursday, February 6, 2014 / Rules and Regulations geographic coordinates of the Grand

    E-print Network

    as the NOTAM information inadvertently copied in error for Grand Forks AFB. In addition, reference to the Grand, and Grand Forks AFB, ND, and the Class E airspace area extending upward from 700 feet above the surface of the regulatory text, remove `lat. 47°550 N.,' and insert `lat. 47°5650 N.' AGL ND D Grand Forks AFB, ND

  10. Grande Ronde Model Watershed Program FY 1998 Habitat Projects.

    SciTech Connect

    Grande Ronde Model Watershed Staff

    1999-08-01

    The Grande Ronde Model Watershed Program (GRMWP) is the primary entity coordinating habitat restoration on both private and public lands within the Grande Ronde Basin. The Grande Ronde Basin covers approximately 5,300 square miles, containing more than 2600 miles of fish bearing streams, in the Blue Mountains of northeast Oregon. Snake River spring chinook salmon, summer steelhead and bull trout, which are listed under the Endangered Species Act, are present in the basin. The GRMWP began coordinating restoration projects in 1994. Approximately 215 projects have been implemented through the GRMWP program as of 1998. Nine of these projects were funded in part through the Bonneville Power Administration's 1998 Columbia Basin Fish and Wildlife Program. These nine projects used a variety of methods to enhance and restore watershed conditions. In-stream work to improve fish habitat included construction of hard structures (eg. vortex rock weirs), placement of large woody material and whole trees, gravel bar treatments, and improvements to off-channel rearing habitat; 55 miles of stream were treated. Fish passage was improved at three locations by replacing or removing culverts that blocked fish. Stream riparian conditions were enhanced with exclosure fencing, vegetation planting and thinning, noxious weed control, and floodplain enhancements; 10 miles of stream were directly benefited with these riparian improvements. Four spring developments were constructed to enhance riparian and stream conditions by providing off stream livestock water sources. Nine spring developments and 1 reservoir were improved with fencing and/or piping to troughs to reduce sediment runoff and restore riparian habitat. Roads were closed or obliterated (8.5 miles) and road drainage was improved (3.4 miles) to reduce sediment delivery to streams. These nine projects cost approximately 1.3 million dollars to implement and monitor. BPA provided 41% of the funding, the remainder was cost shared by county, state, and federal agencies, private landowners, Indian tribes and natural resource interest groups.

  11. Grande Ronde Basin Fish Habitat Enhancement Project : 2000 Annual Report.

    SciTech Connect

    McGowan, Vance R.; Powell, Russ M.; Stennfeld, Scott P.

    2001-04-01

    On July 1, 1984 the Bonneville Power Administration and the Oregon Department of Fish and Wildlife entered into an agreement to initiate fish habitat enhancement work in the Joseph Creek subbasin of the Grande Ronde River Basin in northeast Oregon. In July of 1985 the Upper and Middle Grande Ronde River, and Catherine Creek subbasins were included in the intergovernmental contract, and on March 1, 1996 the Wallowa River subbasin was added. The primary goal of ''The Grande Ronde Basin Fish Habitat Enhancement Project'' is to access, create, improve, protect, and restore riparian and instream habitat for anadromous salmonids, thereby maximizing opportunities for natural fish production within the basin. This project provided for implementation of Program Measure 703 (C)(1), Action Item 4.2 of the Northwest Power Planning Council's Columbia River Basin Fish and Wildlife Program (NPPC, 1987), and continues to be implemented as offsite mitigation for mainstem fishery losses caused by the Columbia River hydro-electric system. All work conducted by the Oregon Department of Fish and Wildlife is on private lands and therefore requires that considerable time be spent developing rapport with landowners to gain acceptance of, and continued cooperation with this program throughout 10-15 year lease periods. This project calls for passive regeneration of habitat, using riparian enclosure fencing as the primary method to restore degraded streams to a normative condition. Active remediation techniques using plantings, off-site water developments, site-specific instream structures, or whole channel alterations are also utilized where applicable. Individual projects contribute to and complement ecosystem and basin-wide watershed restoration efforts that are underway by state, federal, and tribal agencies, and local watershed councils. Work undertaken during 2000 included: (1) Implementing 2 new projects in the Grande Ronde drainage, and retrofitting one old project that will protect an additional 1.3 miles of stream and 298.3 acres of habitat; (2) Conducting instream work activities in 3 streams to enhance habitat and/or restore natural channel dimensions, patterns or profiles; (3) Improving fish passage in Bear Creek to restore tributary and mainstem access; (4) Planting and seeding 6.7 stream miles with 7,100 plants and 365 lbs. of seed; (5) Establishing 18 new photopoints and retaking 229 existing photopoint pictures; (6) Monitoring stream temperatures at 12 locations on 6 streams; (7) completing riparian fence, water gap and other maintenance on 98.7 miles of project fences. Since initiation of the project in 1984 over 62 miles of anadromous fish bearing streams and 1,910 acres of habitat have been protected, enhanced and maintained.

  12. Grand challenges in bioengineered nanorobotics for cancer therapy.

    PubMed

    Lenaghan, Scott C; Wang, Yongzhong; Xi, Ning; Fukuda, Toshio; Tarn, Tzyhjong; Hamel, William R; Zhang, Mingjun

    2013-03-01

    One of the grand challenges currently facing engineering, life sciences, and medicine is the development of fully functional nanorobots capable of sensing, decision making, and actuation. These nanorobots may aid in cancer therapy, site-specific drug delivery, circulating diagnostics, advanced surgery, and tissue repair. In this paper, we will discuss, from a bioinspired perspective, the challenges currently facing nanorobotics, including core design, propulsion and power generation, sensing, actuation, control, decision making, and system integration. Using strategies inspired from microorganisms, we will discuss a potential bioengineered nanorobot for cancer therapy. PMID:23380844

  13. Grand-Canonical simulation of 4D simplicial quantum gravity

    E-print Network

    S. Horata; H. S. Egawa; T. Yukawa

    2002-09-01

    A thorough numerical examination for the field theory of 4D quantum gravity (QG) with a special emphasis on the conformal mode dependence has been studied. More clearly than before, we obtain the string susceptibility exponent of the partition function by using the Grand-Canonical Monte-Carlo method. Taking thorough care of the update method, the simulation is made for 4D Euclidean simplicial manifold coupled to $N_X$ scalar fields and $N_A$ U(1) gauge fields. The numerical results suggest that 4D simplicial quantum gravity (SQG) can be reached to the continuum theory of 4D QG. We discuss the significant property of 4D SQG.

  14. Grand-canonical simulation of two-dimensional simplicial gravity

    E-print Network

    S. Oda; N. Tsuda; T. Yukawa

    1997-09-21

    The string susceptibility exponents of dynamically triangulated 2-dimensional surfaces with various topologies, such as a sphere, torus and double-torus, were calculated by the grand-canonical Monte Carlo method. These simulations were made for surfaces coupled to $d$-Ising spins ($d$=0,1,2,3,5). In each simulation the area of surface was constrained to within 1000 to 3000 of triangles, while maintaining the detailed-balance condition. The numerical results show excellent agreement with theoretical predictions as long as $d \\leq 2$.

  15. Sugarcane Trials in the Lower Rio Grande Valley of Texas.

    E-print Network

    Cowley, W. R.; Smith, B. A.

    1969-01-01

    the his- torical concept of the adaptation of sugarcane to the environmental conditions of the Lower Rio Grande Valley of Texas. The potentials for yields of cane and sugar indi- cated by these studies compare most favorably with those reported from....2 pounds with acre yields of 6,460 and 4,098 pounds. Fanguy (19), reporting on the results of sugarcane variety outfield experiments in Louisiana in 1967, indicated top yields from combined locations in the range of 33 tons per acre and sugar yields...

  16. Ordering Geologic Events and Interpreting Geologic History: The Grand Canyon

    NSDL National Science Digital Library

    Jennifer Wenner

    This activity is designed to help students recognize the connections among things like rock identification and map reading with the "story" that these things can tell us in terms of geologic history. Students have already learned about using observation to identify rocks and the principles of interpreting geologic cross-sections. The activity gives students practice in rock ID, topo map reading, geologic map reading and the aspects of geologic time. Students work with rock samples and a geologic map of the Grand Canyon to interpret a history for the area.

  17. Sweet Corn Tests in the Lower Rio Grande Valley.

    E-print Network

    Pickett, B. S. (Barzalli Stewart)

    1947-01-01

    supply, * an important factor in corn earworm control. Jour. of Anr. Res. 68:73-77. 1944. 3. Dicke, F. F.. and M. T. Jenkins: Susceptibility of certain strains of field cc in hybrid combinations to damage by corn ear worms. U.S.D.A. Tech. Bul. 898...B. S. PICKETT Formerly Horticulturist, Substation No. 15 Weslaco, Texas R. D. LEWIS, Directw College Station, Texas RPO GRANDE VALLEY GIBB GILCHRIST, President , ,/ ,' VBS1-847-3M-L180 -, -- i [Blank Page in Original Bulletin] Maximum...

  18. EE Times: Preparing for the Next 'DARPA Grand Challenge'

    NSDL National Science Digital Library

    This article from EE Times tracks the status of Team Overbot, "a group of enthusiasts, engineers, and partners" who are building an autonomous robot vehicle for the October 8, 2005 DARPA (Defense Advanced Research Projects Agency) Grand Challenge. The annual Challenge, sponsored by DARPA, requires designers to develop an autonomous robot vehicle that can successfully make a trek through all kinds of terrain covering about 150 miles. The prize of $2 million has proven difficult to win, with none of the vehicles finishing last year's course. The article describes the contest and this team's design methodology.

  19. Gravitational Collapse and Radiation of Grand Unified Theory

    E-print Network

    Yi-Fang Chang

    2007-10-02

    The infinite gravitational collapse of any supermassive stars should pass through an energy scale of the grand unified theory (GUT). After nucleon-decays, the supermassive star will convert nearly all its mass into energy, and produce the radiation of GUT. It may probably explain some ultrahigh energy puzzles in astrophysics, for example, quasars and gamma-ray bursts (GRB), etc. This is similar with a process of the Big Bang Universe with a time-reversal evolution in much smaller space scale and mass scale. In this process the star seems be a true white hole.

  20. Radiation effects on science instruments in Grand Tour type missions

    NASA Technical Reports Server (NTRS)

    Parker, R. H.

    1972-01-01

    The extent of the radiation effects problem is delineated, along with the status of protective designs for 15 representative science instruments. Designs for protecting science instruments from radiation damage is discussed for the various instruments to be employed in the Grand Tour type missions. A literature search effort was undertaken to collect science instrument components damage/interference effects data on the various sensitive components such as Si detectors, vidicon tubes, etc. A small experimental effort is underway to provide verification of the radiation effects predictions.

  1. Focal plane polarimeter for the grand raiden at RCNP

    NASA Astrophysics Data System (ADS)

    Yosoi, M.; Akimune, H.; Daito, I.; Fujiwara, M.; Hirata, S.; Inomata, T.; Kamigaito, O.; Kawabata, M.; Noro, T.; Sakemi, Y.; Takahashi, T.; Tamii, A.; Toyama, S.; Yamagoshi, A.; Yoshimura, M.; Sakaguchi, H.

    1995-09-01

    A large focal-plane polarimeter which uses inclusive scattering from carbon has been installed for the high resolution spectrometer `Grand Raiden' at RCNP. A fast second-level trigger system can reject events with small scattering angles. A special dipole magnet is added to the final stage of the spectrometer in order to rotate the spin direction. High resolution measurements of all spin observables for proton scattering are now able to be made with high efficiency over a broad energy range. The present system has been checked by the measurement of spin rotation parameters in proton elastic scattering at 300 MeV.

  2. Early Agriculture in the Eastern Grand Canyon of Arizona, USA

    USGS Publications Warehouse

    Davis, S.W.; Davis, M.E.; Lucchitta, I.; Finkel, R.; Caffee, M.

    2000-01-01

    Abandoned fields in Colorado River alluvium in the eastern Grand Canyon show signs of primitive agriculture. Presence of maize pollen in association with buried soils near Comanche Creek suggests that farming began prior to 3130 yr B.P. Cotton pollen, identified in buried soils near Nankoweap Creek, dates to 1310 yr B.P., approximately 500 years earlier than previously reported anywhere on the Colorado Plateau. Farming spanned three millennia in this reach of the canyon. Entrenchment, starting approximately 700 yr B.P., making water diversion to fields infeasible, was likely responsible for field abandonment. ?? 2000 John Wiley & Sons, Inc.

  3. Supersymmetric Grand Unified Models without Adjoint Higgs Fields

    E-print Network

    Chih-Lung Chou

    1999-06-23

    We discuss two classes of supersymmetric grand unified theories based on extended gauge groups $SO(10) \\times SO(10)$ and $SO(10)\\times SO(10)\\times SO(10)$. Effective adjoint fields of each gauge group SO(10) are argued to be formed from combining two Higgs fields in fundamental representation of the extended gauge groups, one obtaining its VEV along the diagonal $SO(10)_D$ direction and the other acquiring its VEV along the diagonal $SU(5)_D\\times U(1)_D$ or its subgroup direction. Thus experimentally acceptable fermion mass matrices, such as Georgi-Jarlskog ansatz, with successful GUT mass relations can be constructed in these theories.

  4. Seismic investigation of the southern Rio Grande Rift

    NASA Astrophysics Data System (ADS)

    Thompson, Lennox E.

    Competing models exist to explain what caused the Earth's crust to spread apart 29 million years ago to create a region known today as the Rio Grande Rift (RGR). The RGR extends from central Colorado through New Mexico to northern Mexico, near El Paso. The RGR has different geologic features that distinguish it from most other valleys (e.g., the RGR was not cut by a river nor does a river branch upstream). A growing body of evidence shows that geologic activity still occurs in the RGR, with a continuation of faulting, seismicity and widening at a small rate of about 0.3 mm/yr (Woodward , 1977). We map of the seismic velocity structure and crustal thickness using data from the Rio Grande Rift Seismic TRAnsect (RISTRA) experiment and the EarthScope Transportable Array (USArray) dataset. In addition to the data we collected from the RISTRA experiment and USArray dataset, we also acquired receiver functions from the EarthScope Automatic Receiver Survey (EARS) website (http://www.earthscope.org/data) and waveform data from the Incorporated Research Institutes for Seismology (IRIS) Data Management Center (DMC). We requested seismograms from the IRIS DMC database where we acquired teleseismic events from Jan 2000 to Dec 2009. This includes 7,259 seismic events with a minimum magnitude of 5.5 and 106,389 continuous waveforms. This data was preprocessed (merged, rotated) using a program called Standing Order of Data (SOD). The RISTRA experiment and the USArray were designed to image crust and mantle structures by computing receiver functions for all data in the Southern Rio Grande Rift (SRGR). We map the crustal thickness, seismic velocity, and mantle structure for the sole purpose to better determine the nature of tectonic activity that is presently taking place and further investigate the regional extension of the Southern Rio Grande Rift (SRGR). Here we present preliminary results of the crustal and velocity structure using the kriging interpolation scheme seem stable and we are now able to clearly observe certain patterns we can use to interpret the southern RGR deformation and extension.

  5. Grand canonical Monte Carlo simulations of water in protein environments

    NASA Astrophysics Data System (ADS)

    Woo, Hyung-June; Dinner, Aaron R.; Roux, Benoît

    2004-10-01

    The grand canonical simulation algorithm is considered as a general methodology to sample the configuration of water molecules confined within protein environments. First, the probability distribution of the number of water molecules and their configuration in a region of interest for biochemical simulations, such as the active site of a protein, is derived by considering a finite subvolume in open equilibrium with a large system serving as a bulk reservoir. It is shown that the influence of the bulk reservoir can be represented as a many-body potential of mean force acting on the atoms located inside the subvolume. The grand canonical Monte Carlo (GCMC) algorithm, augmented by a number of technical advances to increase the acceptance of insertion attempts, is implemented, and tested for simple systems. In particular, the method is illustrated in the case of a pure water box with periodic boundary conditions. In addition, finite spherical systems of pure water and containing a dialanine peptide, are simulated with GCMC while the influence of the surrounding infinite bulk is incorporated using the generalized solvent boundary potential [W. Im, S. Bernèche, and B. Roux, J. Chem. Phys. 114, 2924 (2001)]. As a last illustration of water confined in the interior of a protein, the hydration of the central cavity of the KcsA potassium channel is simulated.

  6. The Oro Grande, New Mexico, chondrite and its lithic inclusion.

    NASA Technical Reports Server (NTRS)

    Fodor, R. V.; Keil, K.; Jarosewich, E.

    1972-01-01

    The Oro Grande, New Mexico, U.S.A., chondrite was found in 1971. Electron microprobe analyses and microscopic examination show the following mineralogy: olivine (Fa 19.3 mole %), orthopyroxene (Fs 16.2 mole %), diopside, feldspar (An 13.6 mole %), chlorapatite, whitlockite, kamacite, taenite, troilite, chromite, and an iron-bearing terrestrial weathering product. A bulk chemical analysis of the meteorite shows the following results (weight %): Fe 0.84, Ni 1.46, Co 0.07, FeS 3.62, SiO2 34.18, TiO2 0.14, Al2O3 1.83, Cr2O3 0.55, Fe2O3 21.25, FeO 9.13, MnO 0.31, MgO 21.52, CaO 1.72, Na2O 0.70, K2O 0.08, P2O5 0.25, H2O(+) 2.14, H2O(-) 0.40, C 0.22, sum 100.41. On the basis of composition and texture the Oro Grande meteorite is classified as an H5 chondrite.

  7. Geomorphology of plutonium in the Northern Rio Grande

    SciTech Connect

    Graf, W.L. [Arizona Univ., Tempe, AZ (United States). Dept., of Geography

    1993-03-01

    Nearly all of the plutonium in the natural environment of the Northern Rio Grande is associated with soils and sediment, and river processes account for most of the mobility of these materials. A composite regional budget for plutonium based on multi-decadal averages for sediment and plutonium movement shows that 90 percent of the plutonium moving into the system is from atmospheric fallout. The remaining 10 percent is from releases at Los Alamos. Annual variation in plutonium flux and storage exceeds 100 percent. The contribution to the plutonium budget from Los Alamos is associated with relatively coarse sediment which often behaves as bedload in the Rio Grande. Infusion of these materials into the main stream were largest in 1951, 1952, 1957, and 1968. Because of the schedule of delivery of plutonium to Los Alamos for experimentation and weapons manufacturing, the latter two years are probably the most important. Although the Los Alamos contribution to the entire plutonium budget was relatively small, in these four critical years it constituted 71--86 percent of the plutonium in bedload immediately downstream from Otowi.

  8. Predictive Temperature Equations for Three Sites at the Grand Canyon

    NASA Astrophysics Data System (ADS)

    McLaughlin, Katrina Marie Neitzel

    Climate data collected at a number of automated weather stations were used to create a series of predictive equations spanning from December 2009 to May 2010 in order to better predict the temperatures along hiking trails within the Grand Canyon. The central focus of this project is how atmospheric variables interact and can be combined to predict the weather in the Grand Canyon at the Indian Gardens, Phantom Ranch, and Bright Angel sites. Through the use of statistical analysis software and data regression, predictive equations were determined. The predictive equations are simple or multivariable best fits that reflect the curvilinear nature of the data. With data analysis software curves resulting from the predictive equations were plotted along with the observed data. Each equation's reduced chi2 was determined to aid the visual examination of the predictive equations' ability to reproduce the observed data. From this information an equation or pair of equations was determined to be the best of the predictive equations. Although a best predictive equation for each month and season was determined for each site, future work may refine equations to result in a more accurate predictive equation.

  9. Evolution of Irrigation Districts and Operating Institutions: Texas, Lower Rio Grande Valley 

    E-print Network

    Fernandez, Linda; Robinson, John R.C.; Lacewell, Ronald D.; Rister, M. Edward; Ellis, John R.; Sturdivant, Allen W.; Stubbs, Megan J.

    2003-01-01

    /development of policies, and future management of limited water resources. A review of selected Rio Grande Basin irrigation districts and associated operating principles will follow in subsequent reports....

  10. Hazards Management in Grand County, Colorado-Fire Fuels Characterization

    USGS Publications Warehouse

    Cole, Christopher; Lile, Elizabeth; Briggs, Jennifer

    2009-01-01

    The USGS Fire Science Initiative is designed to identify potential wildfire risks and related hazards and to mitigate their effects on people, property, and natural resources. The USGS Rocky Mountain Geographic Science Center (RMGSC) plays an integral role in the fire science demonstration project targeting Grand County, Colo., which uses remote sensing imagery, other geospatial data, and advanced classification techniques to produce inventories and assessments of the current state of the ecosystem. The data gathered - extent of tree mortality and insect infestation, changes in fire fuels, susceptibility to post-fire effects, distribution of wildland-urban interface areas, etc. - will give much needed information to decisionmakers on the Federal, State, and local levels.

  11. Camphor: an herbal medicine causing grand mal seizures.

    PubMed

    MacKinney, Theodore G; Soti, Kamal Raj; Shrestha, Poojan; Basnyat, Buddha

    2015-01-01

    Camphor is usually used in the USA to repel insects, but it is widely used in other countries as an herb. We report the case of a 52-year-old previously healthy Nepali man who ingested approximately 10?g of pure camphor with therapeutic intention. He developed grand mal seizures, and was evaluated in an emergency room. He failed to recall the camphor ingestion initially, and was treated with phenytoin for new-onset idiopathic seizures. Examining physicians only later found out about his camphor ingestion. Finding the cause of new-onset seizures is often challenging for emergency room physicians, internists and neurologists. In addition to other well-reported causes of secondary seizures, herbal medications and supplements must also be explored. PMID:26065546

  12. Controlled Flooding of the Colorado River in the Grand Canyon

    NSDL National Science Digital Library

    1997-01-01

    The controlled flood of the Colorado River in the Grand Canyon can be monitored in real time on the U.S. Geological Survey's (USGS) Web site. Starting on March 26 and continuing for seven days, the Bureau of Reclamation (BOR) is releasing approximately 45,000 cubic feet of water per second from Glen Canyon Dam. Line graphs of provisional stream flow data at 15 sites in Arizona are being made available in real time on the Internet via satellite telemetry technology. "This controlled flood will provide an excellent opportunity to demonstrate the usefulness of the real-time network during flooding conditions." Historical stream flow data is also available, as are calculated hydrographs, channel sand data, and detailed fact sheets on the rationale of the study and data collection methods. http://wwwdaztcn.wr.usgs.gov/flood.html

  13. Salto Grande. [1890-MW project on Vruguay River

    SciTech Connect

    de Hoyos, R.J.

    1980-09-01

    A joint hydroelectric project, the Salto Grande Dam on the Uruguay River, serves six million people in Argentina and Uruguay. The construction day was continuous from April 1974 until the first turbine began on schedule in July 1979. Although planning began in 1890 by individual visionaries who saw the river's potential, serious efforts did not get underway for another 50 years. The project became a technical training school and has built up a recognized management team in the process. Financing became available only after the 1973 oil embargo. The benefits of regional cooperation to develop a common resource enables the two countries to provide water resources, electric power, navigable streams for commerce and recreation, a common highway, and an interconnecting railroad. The cooperative infrastructure established to meet the needs of project personnel has improved living conditions for the area. (DCK)

  14. A groundwater convection model for Rio Grande rift geothermal resources

    NASA Technical Reports Server (NTRS)

    Morgan, P.; Harder, V.; Daggett, P. H.; Swanberg, C. A.

    1981-01-01

    It has been proposed that forced convection, driven by normal groundwater flow through the interconnected basins of the Rio Grande rift is the primary source mechanism for the numerous geothermal anomalies along the rift. A test of this concept using an analytical model indicates that significant forced convection must occur in the basins even if permeabilities are as low as 50-200 millidarcies at a depth of 2 km. Where groundwater flow is constricted at the discharge areas of the basins forced convection can locally increase the gradient to a level where free convection also occurs, generating surface heat flow anomalies 5-15 times background. A compilation of groundwater data for the rift basins shows a strong correlation between constrictions in groundwater flow and hot springs and geothermal anomalies, giving strong circumstantial support to the convection model.

  15. Higher order proton lifetime estimates in grand unified theories

    E-print Network

    Helena Kolešová

    2015-06-07

    Since the main experimentally testable prediction of grand unified theories is the instability of the proton, precise determination of the proton lifetime for each particular model is desirable. Unfortunately, the corresponding computation usually involves theoretical uncertainties coming e.g. from ignorance of the mass spectrum or from the Planck-suppressed higher-dimensional operators, which may result in errors in the proton lifetime estimates stretching up to several orders of magnitude. On the other hand, we present a model based on SO(10) gauge group which is subsequently broken by a scalar adjoint representation, where the leading Planck-suppressed operator is absent, hence the two-loop precision may be achieved.

  16. Ethiopia's Grand Renaissance Dam: Implications for Downstream Riparian Countries

    NASA Astrophysics Data System (ADS)

    Zhang, Y.; Block, P. J.; Hammond, M.; King, A.

    2013-12-01

    Ethiopia has begun seriously developing their significant hydropower potential by launching construction of the Grand Ethiopian Renaissance Dam (GERD) on the Blue Nile River to facilitate local and regional growth. Although this has required substantial planning on Ethiopia's part, no policy dictating the reservoir filling rate strategy has been publicly issued. This filling stage will have clear implications on downstream flows in Sudan and Egypt, complicated by evaporative losses, climate variability, and climate change. In this study, various filling policies and future climate states are simultaneously explored to infer potential streamflow reductions at Lake Nasser, providing regional decision-makers with a set of plausible, justifiable, and comparable outcomes. Schematic of the model framework Box plots of 2017-2032 percent change in annual average streamflow at Lake Nasser for each filling policy constructed from the 100 time-series and weighted precipitation changes. All values are relative to the no dam policy and no changes to future precipitation.

  17. A Leptophobic Z' And Dark Matter From Grand Unification

    SciTech Connect

    Buckley, Matthew R. [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Hooper, Dan [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Rosner, Jonathan L. [Univ. of Chicago, Chicago, IL (United States)

    2011-09-01

    We explore the phenomenology of Grand Unified Models based on the E_6 group, focusing on the Z' with suppressed couplings to leptons that can appear in such models. We find that this Z' can accommodate the W+dijets anomaly reported by the CDF collaboration. Furthermore, a viable dark matter candidate in the form of a right-handed sneutrino is also present within the fundamental 27-dimensional representation of E_6. Through its sizable couplings to the Z', the dark matter is predicted to possess an elastic scattering cross section with neutrons which can generate the signals reported by the CoGeNT and DAMA/LIBRA collaborations. To avoid being overproduced in the early universe, the dark matter must annihilate to leptons through the exchange of charged or neutral fermions which appear in the 27 of E_6, providing an excellent fit to the gamma ray spectrum observed from the Galactic Center by the Fermi Gamma Ray Space Telescope.

  18. Discrimination of supersymmetric grand unified models in gaugino mediation

    SciTech Connect

    Okada, Nobuchika [Department of Physics and Astronomy, University of Alabama, Tuscaloosa, Alabama 35487 (United States); Hieu Minh Tran [Hanoi University of Science and Technology, 1 Dai Co Viet Road, Hanoi (Viet Nam); Hanoi University of Science - VNU, 334 Nguyen Trai Road, Hanoi (Viet Nam)

    2011-03-01

    We consider supersymmetric grand unified theory (GUT) with the gaugino mediated supersymmetry breaking and investigate a possibility to discriminate different GUT models in terms of predicted sparticle mass spectra. Taking two example GUT models, the minimal SU(5) and simple SO(10) models, and imposing a variety of theoretical and experimental constraints, we calculate sparticle masses. Fixing parameters of each model so as to result in the same mass of neutralino as the lightest supersymmetric particle (LSP), giving the observed dark matter relic density, we find sizable mass differences in the left-handed slepton and right-handed down-type squark sectors in two models, which can be a probe to discriminate the GUT models realized at the GUT scale far beyond the reach of collider experiments.

  19. Arsenic in the Middle Rio Grande: Occurrence and regulatory standards

    SciTech Connect

    Flanigan, K.G. [Balleau Groundwater, Inc., Albuquerque, NM (United States)

    1995-12-31

    Arsenic is present throughout the environment, occurring both naturally and as a result of human activity. Natural sources of arsenic include arsenic gases and compounds formed as a result of volcanic and geothermal activity and weathering of minerals and ores containing arsenic. Major sources of human-related release include smelting of ores and use of arsenic containing pesticides. Additional sources from commercial and industrial processes include use of arsenic-containing wood preservatives and paints and pigments. Arsenic occurs in the Middle Rio Grande Basin in central New Mexico both naturally and as a result of human activity. The paper describes the occurrence of arsenic in surface water and stream sediments, groundwater and subsequent discharge via wastewater effluent, and biota. Water standards are also discussed.

  20. Web-based Interactive Landform Simulation Model - Grand Canyon

    NASA Astrophysics Data System (ADS)

    Luo, W.; Pelletier, J. D.; Duffin, K.; Ormand, C. J.; Hung, W.; Iverson, E. A.; Shernoff, D.; Zhai, X.; Chowdary, A.

    2013-12-01

    Earth science educators need interactive tools to engage and enable students to better understand how Earth systems work over geologic time scales. The evolution of landforms is ripe for interactive, inquiry-based learning exercises because landforms exist all around us. The Web-based Interactive Landform Simulation Model - Grand Canyon (WILSIM-GC, http://serc.carleton.edu/landform/) is a continuation and upgrade of the simple cellular automata (CA) rule-based model (WILSIM-CA, http://www.niu.edu/landform/) that can be accessed from anywhere with an Internet connection. Major improvements in WILSIM-GC include adopting a physically based model and the latest Java technology. The physically based model is incorporated to illustrate the fluvial processes involved in land-sculpting pertaining to the development and evolution of one of the most famous landforms on Earth: the Grand Canyon. It is hoped that this focus on a famous and specific landscape will attract greater student interest and provide opportunities for students to learn not only how different processes interact to form the landform we observe today, but also how models and data are used together to enhance our understanding of the processes involved. The latest development in Java technology (such as Java OpenGL for access to ubiquitous fast graphics hardware, Trusted Applet for file input and output, and multithreaded ability to take advantage of modern multi-core CPUs) are incorporated into building WILSIM-GC and active, standards-aligned curricula materials guided by educational psychology theory on science learning will be developed to accompany the model. This project is funded NSF-TUES program.

  1. Supergravity Grand Unification, Proton Decay and Cosmological Constraints

    E-print Network

    R. Arnowitt; Pran Nath

    1993-06-25

    Properties and experimental predictions of a broad class of supergravity grand unified models possessing an $SU(5)$-type proton decay and $R$ parity are described. Models of this type can be described in terms of four parameters at the Gut scale in addition to those of the Standard Model i.e. $m_o$ (universal scalar mass), $m_{1/2}$ (universal gaugino mass), $A_o$ (cubic soft breaking parameter) and $\\tan\\beta=/$. Thus the 32 SUSY masses can be expressed in terms of $m_o, m_{1/2}, A_o \\tan\\beta$ and the as yet unknown t-quark mass $m_t$. Gut thresholds are examined and a simple model leads to grand unification consistent with $p$-decay data when $0.1140$) or $m_{\\tilde{W}_1} \\simeq(1/3)m_{\\tilde{g}}$ (for $\\mu>m_{\\tilde{Z}_1}$. Future proton decay experiments combined with LEP2 lead to further predictions, e.g. for the entire parameter space either proton decay should be seen at these or the$\\tilde{W}_1$ seen at LEP2. Relic density constraints on the $\\tilde{Z}_1$ further constrain the parameter space e.g. so that $m_t<165$~GeV, $m_h<105$~GeV, $m_{\\tilde{W}_1} <100$~GeV and $m_{\\tilde{Z}_1}<50$~GeV when $M_{H_3}/M_G < 6$. (Invited talk at Les Rencontres de Physique de la Vallee D'Aoste}

  2. Stratigraphy of the Grande Savane Ignimbrite Sequence, Dominica, Lesser Antilles

    NASA Astrophysics Data System (ADS)

    Schneider, S.; Smith, A. L.; Deuerling, K.; Killingsworth, N.; Daly, G.

    2007-12-01

    The island of Dominica, located in the central part of the Lesser Antilles island arc has eight potentially active volcanoes. One of these, Morne Diablotins, is a composite stratovolcano with several superimposed stratigraphic sequences ranging in age from Pliocene (4-2 Ma) to "Younger" Pleistocene (<1.8 Ma). The most recent major eruptive activity from this volcano was a series of Plinian eruptions that produced ignimbrites that gave dates of >22,000 and >40,000 years B.P. The ignimbrite sequences form four flow fans that reached both the east and west coasts of the island. One of these flow fans, the Grande Savane, on the west coast of the island, also extends off-shore for a distance of at least 14 km as a distinctive submarine fan. Stratigraphical studies of the on- shore deposits that make up this fan indicate an older sequence of block and ash flow deposits, within which occurs a distinctive vulcanian fall deposit. These are overlain, with no evidence of an intervening paleosol, by a sequence of ignimbrites containing welded horizons (ranging in thickness from around 4 m to 16m). The lack of fall deposits beneath the ignimbrites suggest they may have been formed by instantaneous continuous collapse of the eruption column. This whole succession is overlain by a series of planar and dune bedded pumiceous surge deposits with interbedded pumiceous lapilli fall and ash fall deposits, that extend laterally outside of the main area of ignimbrite deposition. Beds within this upper sequence often contain accretionary lapilli and gas cavities suggesting magma-water interaction. The youngest deposits from Morne Diablotins appear to be valley- fill deposits of both ignimbrite and block and ash flow. A comparison of the of the Grande Savane pyroclastic sequence with the Pointe Ronde (west coast) and Londonderry (east coast) pyroclastic flow fans will provide information on the eruptive history of this major Plinian episode.

  3. Magnetotelluric pilot study in the Rio Grande Rift, southwest USA

    NASA Astrophysics Data System (ADS)

    Feucht, D. W.; Bedrosian, P. A.; Sheehan, A. F.

    2012-12-01

    A magnetotelluric (MT) pilot study consisting of approximately 25 stations distributed in and around the Rio Grande Rift of the southwest United States was carried out in the summer of 2012. Both broadband (100 Hz to 1000 s) and long-period (up to 10 000 s) MT data were collected across two profiles that run perpendicular to the rift axis near Denver, Colorado and Taos, New Mexico, respectively. Time-domain EM data was also collected at each site to account for galvanic distortion in the near-surface. The tectonic forces and rheologic properties behind the initiation and propagation of the rift are poorly understood. Surface mapping of volcanism, normal faulting and sedimentary basins reveals a narrow band of crustal deformation confined to a region in close proximity to the rift axis while geophysical results suggest that deformation is distributed across a much broader and deeper region of the lithosphere. In particular, seismic tomography shows low seismic wave speeds into the lower crust and upper mantle. The magnetotelluric technique is a well-proven passive electromagnetic method that allows for the detection of apparent resistivity at a wide range of depth scales. Complimenting the seismic results with MT data will provide important new information on the geologic and geophysical properties that control the rifting process in this low-strain rate environment. Properties to which the MT method is particular sensitive include temperature, fluid content, and mineral alteration. Preliminary results from this most recent survey are encouraging, showing good data quality up to 10 000 s. In an important precursor to full 2D modeling, the magnetotelluric phase tensor has been used to assess the dimensionality of the electrical resistivity structure at depth. This pilot study provides proof of concept for a much larger magnetotelluric experiment planned to take place in the Rio Grande Rift in 2013.

  4. VERS UNE ALERTE TSUNAMI PLUS RAPIDE GRACE A UN NOUVEL OUTIL DE CARACTERISATION DES GRANDS SEISMES

    E-print Network

    Duputel, Zacharie

    VERS UNE ALERTE TSUNAMI PLUS RAPIDE GRACE A UN NOUVEL OUTIL DE CARACTERISATION DES GRANDS SEISMES propageant beaucoup plus rapidement qu'un tsunami en pleine mer, elles apportent une information cruciale sur du grand séisme de Sumatra-Andaman en 2004 (magnitude 9.2, plus de 227 000 morts d'après l

  5. A Parallel Java Grande Benchmark Suite L. A. Smith and J. M. Bull

    E-print Network

    Bull, Mark

    A Parallel Java Grande Benchmark Suite L. A. Smith and J. M. Bull EPCC, The King's Buildings Republic. email: xobdrzal@fi.muni.cz Abstract Increasing interest is being shown in the use of Java for large scale or Grande applications. This new use of Java places specific demands on the Java execution

  6. Supporting ethnographic studies of ubiquitous computing in the medical grand round experience

    Microsoft Academic Search

    Renato Bulcão Neto; Ajith K. Sankarankutty; Alessandra A. Macedo; Paulo Azevedo-marques; Lauro Wichert-ana; José Antonio Camacho Guerrero

    2008-01-01

    Ethnography is a research method to understand how people carry out their tasks in real-world experiences. Medical grand rounds are quotidian, formal meeting experiences where physicians discuss clinical problems of patients. This paper presents an ethnographic study of medical grand rounds that has driven the design and development of a ubiquitous computing prototype to address the lack of a proper

  7. 28. VIEW OF GRAND CANAL AT 24TH STREET, LOOKING WEST ...

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

    28. VIEW OF GRAND CANAL AT 24TH STREET, LOOKING WEST (compare this photograph with AZ-17-14, taken at the same spot in 1919) Photographer: Mark Durben, April 1989 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  8. GESTION DURABLE DES RISQUES D'AFFAISSEMENT MINIER : CHOIX DE STRATEGIES -CAS DE MOYEUVRE-GRANDE.

    E-print Network

    Boyer, Edmond

    -GRANDE CASE Abla M. EDJOSSAN-SOSSOU1 ; Marwan AL HEIB2 ; Olivier DECK1 ; Thierry VERDEL1 1 Université de Lorraine, LAEGO, EA 1145, Nancy, F­54042, France 2 INERIS, Nancy, F-54042, France R�SUM� -- L-Grande case study through a cost-benefit analysis. 1. Introduction En raison de son passé minier, la Lorraine

  9. 78 FR 26807 - Vista Grande Drainage Basin Improvement Project, Fort Funston, Golden Gate National Recreation...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-05-08

    ...storm-related flooding in the Vista Grande Watershed Drainage Basin and the effects of coastal...2013. Background: The Vista Grande watershed area is located in the City of Daly City...northwestern San Mateo County. This watershed is approximately 2.5 square miles...

  10. The Creative Financing of an Unprofitable Enterprise: The Grand Trunk Railway of Canada, 1853-1881

    Microsoft Academic Search

    Ann M. Carlos; Frank D. Lewis

    1995-01-01

    The Grand Trunk was the largest of Canada?s early railways, a technological achievement, but a financial failure. By studying its financial records, we explore how the Company, through debt reorganizations, stayed afloat despite being close to bankruptcy during much of its first 30 years. We also analyze Grand Trunk securities with the help of an options pricing model, concluding that

  11. Residues of Toxaphene in Insectivorous Birds ( Petrochelidon spp.) From the Rio Grande, Texas

    Microsoft Academic Search

    K. A. Maruya; K. L. Smalling; M. A. Mora

    2005-01-01

    Although it has been documented that wildlife in the Rio Grande Valley (RGV) contain increased concentrations of organochlorine (OC) contaminants, particularly DDE, little has been published on residues of toxaphene throughout this major North American watershed. In this study, 28 liver composites from adult swallows (Petrochelidon spp.) collected along the Rio Grande from 1999 through 2000 were analyzed for toxaphene

  12. Notice of Release of Zapata Germplasm Rio Grande Clammyweed Selected Class of Natural Germplasm

    Microsoft Academic Search

    Paula D Maywald; Shelly D Maher; Juan Garza; John Lloyd-Reilley; Forrest S Smith; Andrew W. Scott; Keith A Pawelek

    2010-01-01

    : A selected germplasm of Rio Grande clammyweed (Polanisia dodecandra (L.) DC. ssp. riograndensis Iltis [Capparaceae]) has been released for rangeland restoration and wildlife habitat enhancement plantings in south Texas. Zapata Germplasm Rio Grande clammyweed is a warm-season annual forb originating from seed collected from native plants in Dimmitt and Zapata counties of south Texas. Collections were selected based on

  13. AMES LABORATORY Hydrogen Storage Grand Challenge Pre-Solicitation Meeting, June 19, 20031

    E-print Network

    for technology transfer #12;AMES LABORATORY Hydrogen Storage Grand Challenge Pre-Solicitation Meeting, June 19 State) Involvement of good undergraduate and graduate students Easy access to experts in engineeringAMES LABORATORY Hydrogen Storage Grand Challenge Pre-Solicitation Meeting, June 19, 20031 Metal

  14. Efficient Irrigation for Water Conservation in the Rio Grande Basin: 2010/2011 Progress and Accomplishments 

    E-print Network

    Kalisek, D.; Harris, B. L.; Runyan, C.; DeMouche, L.

    2011-01-01

    Since 2001, the Efficient Irrigation for Water Conservation in the Rio Grande Basin Federal Initiative-known as the Rio Grande Basin Initiative (RGBI)-has saved more than 5 million acre-feet of water. Researchers, Extension specialists, and county...

  15. PROGRAMA DE PS-GRADUAO EM MICROELETRNICA UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL

    E-print Network

    dos Santos, C.A.

    PROGRAMA DE PÓS-GRADUAÇÃO EM MICROELETRÔNICA PGMICRO UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL Grande do Sul, reuniu-se a Comissão de Pós-Graduação em Microeletrônica (PGMICRO), com a presença dosº semestre de 2005. A Comissão aprovou o seguinte calendário: a) matrícula dos alunos em 08 e 09 de

  16. PROGRAMA DE PS-GRADUAO EM MICROELETRNICA UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL

    E-print Network

    dos Santos, C.A.

    PROGRAMA DE PÓS-GRADUAÇÃO EM MICROELETRÔNICA PGMICRO UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL INTERNO DO PROGRAMA DE PÓS-GRADUAÇÃO EM MICROELETRÔNICA UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL - UFRGS I - DOS OBJETIVOS Art. l - O Programa de Pós-Graduação em Microeletrônica (PGMICRO) da Universidade

  17. PROGRAMA DE PS-GRADUAO EM MICROELETRNICA UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL

    E-print Network

    dos Santos, C.A.

    PROGRAMA DE PÓS-GRADUAÇÃO EM MICROELETRÔNICA PGMICRO UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL Federal do Rio Grande do Sul, a Comissão de Pós-Graduação em Microeletrônica, com a presença dos Felipe da Silva Guedes e do Coordenador em MICROELETRÔNICA Prof. Sergio Bampi, que deliberou sobre

  18. PROGRAMA DE PS-GRADUAO EM MICROELETRNICA UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL

    E-print Network

    dos Santos, C.A.

    PROGRAMA DE PÓS-GRADUAÇÃO EM MICROELETRÔNICA PGMICRO UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL - RS - CEP 91501-970 E-mail: Pgmicro@if.ufrgs.br Fone/3316-7198 REUNIÃO DA COMISSÃO DE PÓS-GRADUAÇÃO EM Universidade Federal do Rio Grande do Sul, a Comissão Coordenadora do Programa de Pós-Graduação em

  19. 30. VIEW SHOWING AUTOMATIC DEMOSSING RACK, GRAND CANAL AT 99TH ...

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

    30. VIEW SHOWING AUTOMATIC DEMOSSING RACK, GRAND CANAL AT 99TH AVENUE, LOOKING WEST. THIS MACHINE SCOOPS UP FLOATING WEEDS AND OTHER DEBRIS AND CONVEYS IT TO A TRASH DUMPSTER. Photographer: Mark Durben, April 1989 - Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ

  20. Optimization-Based Navigation for the DARPA Grand Challenge Dmitriy Kogan and Richard M. Murray

    E-print Network

    Murray, Richard M.

    Optimization-Based Navigation for the DARPA Grand Challenge Dmitriy Kogan and Richard M. Murray fields of interest to autonomous robotics, DARPA, the research arm of the Department of Defense of the United States, sponsored the DARPA Grand Challenge (DGC), an off-road race for autonomous, land

  1. Efficient Irrigation for Water Conservation in the Rio Grande Basin: 2010/2011 Progress and Accomplishments

    E-print Network

    Kalisek, D.; Harris, B. L.; Runyan, C.; DeMouche, L.

    Since 2001, the Efficient Irrigation for Water Conservation in the Rio Grande Basin Federal Initiative-known as the Rio Grande Basin Initiative (RGBI)-has saved more than 5 million acre-feet of water. Researchers, Extension specialists, and county...

  2. Rio Grande, San Luis Hills, and Blanca Peak in San Luis Basin

    USGS Multimedia Gallery

    Photo captures the Rio Grande, volcanic San Luis Hills, and Blanca Peak massif in the San Luis Basin, part of the Rio Grande rift.  The basin - currently being studied by the USGS - is of interest for groundwater, petroleum, and mineral resources. ...

  3. Seismic velocity structure of the rifted margin of the eastern Grand Banks of Newfoundland, Canada

    E-print Network

    Shillington, Donna J.

    ocean bottom seismometers (OBSs). At the landward side, we imaged a crustal thickness of 27 kmSeismic velocity structure of the rifted margin of the eastern Grand Banks of Newfoundland, Canada seismic velocity profile of the crust of the eastern margin of the Grand Banks of Newfoundland, Canada

  4. 33 CFR 208.25 - Pensacola Dam and Reservoir, Grand (Neosho) River, Okla.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ...2013-07-01 2013-07-01 false Pensacola Dam and Reservoir, Grand (Neosho) River...CONTROL REGULATIONS § 208.25 Pensacola Dam and Reservoir, Grand (Neosho) River...charged with the operation of the Pensacola Dam, referred to in this section as the...

  5. Peak discharge of a Pleistocene lava-dam outburst flood in Grand Canyon, Arizona, USA

    E-print Network

    Peak discharge of a Pleistocene lava-dam outburst flood in Grand Canyon, Arizona, USA Cassandra R Received 6 May 2005 Availble online 7 February 2006 Abstract The failure of a lava dam 165,000 yr ago produced the largest known flood on the Colorado River in Grand Canyon. The Hyaloclastite Dam was up to 366

  6. 33 CFR 208.25 - Pensacola Dam and Reservoir, Grand (Neosho) River, Okla.

    Code of Federal Regulations, 2010 CFR

    2010-07-01

    ...2010-07-01 2010-07-01 false Pensacola Dam and Reservoir, Grand (Neosho) River...CONTROL REGULATIONS § 208.25 Pensacola Dam and Reservoir, Grand (Neosho) River...charged with the operation of the Pensacola Dam, referred to in this section as the...

  7. 33 CFR 208.25 - Pensacola Dam and Reservoir, Grand (Neosho) River, Okla.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ...2012-07-01 2012-07-01 false Pensacola Dam and Reservoir, Grand (Neosho) River...CONTROL REGULATIONS § 208.25 Pensacola Dam and Reservoir, Grand (Neosho) River...charged with the operation of the Pensacola Dam, referred to in this section as the...

  8. 33 CFR 208.25 - Pensacola Dam and Reservoir, Grand (Neosho) River, Okla.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ...2014-07-01 2014-07-01 false Pensacola Dam and Reservoir, Grand (Neosho) River...CONTROL REGULATIONS § 208.25 Pensacola Dam and Reservoir, Grand (Neosho) River...charged with the operation of the Pensacola Dam, referred to in this section as the...

  9. 33 CFR 208.25 - Pensacola Dam and Reservoir, Grand (Neosho) River, Okla.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ...2011-07-01 2011-07-01 false Pensacola Dam and Reservoir, Grand (Neosho) River...CONTROL REGULATIONS § 208.25 Pensacola Dam and Reservoir, Grand (Neosho) River...charged with the operation of the Pensacola Dam, referred to in this section as the...

  10. Organisation territoriale et socio-conomique au Nolithique final dans la rgion du Grand-Pressigny

    E-print Network

    Paris-Sud XI, Université de

    -Pressigny Raw material characterisation and sources of Final Neolithic ceramic Abstract In and around Le Grand Neolithic sites of Le Petit-Paulmy and Bergeresse (Abilly). Analyses showed that the sediments used were-economic organisation of local Neolithic communi- ties. Keywords Late Neolithic, Final Neolithic, Le Grand

  11. Simulation of three-dimensional circulation and hydrography over the Grand Banks of Newfoundland

    E-print Network

    deYoung, Brad

    Simulation of three-dimensional circulation and hydrography over the Grand Banks of Newfoundland b Department of Physics and Physical Oceanography, Memorial University of Newfoundland, St. John Temperature Salinity Tides Numerical modeling Grand Banks of Newfoundland a b s t r a c t There are few ocean

  12. Communiqu de presse -Mars 2013 Prolongation de l'exposition Dinosaure, la vie en grand

    E-print Network

    Communiqué de presse - Mars 2013 Prolongation de l'exposition « Dinosaure, la vie en grand » jusqu'au 24 juin 2013 En raison de son vif succès auprès du public, l'exposition « Dinosaure, la vie en grand dinosaures : les sauropodes, des herbivores géants, pouvant peser 90 tonnes, et qui ont vécu pendant environ

  13. Influence of the Pacific Decadal Oscillation on hydrochemistry of the Rio Grande, USA, and Mexico

    Microsoft Academic Search

    Fasong Yuan; Seiichi Miyamoto

    2004-01-01

    The hydrochemistry has been examined using the major element composition of river water at 12 gauging stations along the Rio Grande. As the Rio Grande Basin consists of two watersheds that have different hydrologic and climatic regimes, two chloride concentration records from the El Paso and Falcon Dam gauging stations have been extracted to reflect long-term variability in river chemistry

  14. INDUCTION AND DEVELOPMENT OF GRAND FIR (ABIES GRANDIS LINDL.) CALLUS IN TISSUE CULTURES

    Microsoft Academic Search

    Katarzyna Nawrot-Chorabik

    2007-01-01

    The research is a methodological analysis of the first stage of micro-propagation of grand fir (Abies grandis Lindl.), which is included in the group of coniferous tree species introduced in Poland and characterised by a fast growth rate. The experiments were conducted on four types of grand fir explants (mature seeds, mega-gametophytes, mature zygotic embryos, buds collected in springtime from

  15. CLNS 96/1412 ThreeFamily SO(10) Grand Unification in String Theory

    E-print Network

    CLNS 96/1412 Three­Family SO(10) Grand Unification in String Theory Zurab Kakushadze \\Lambda and S­handed families in the four­dimensional heterotic string theory is presented. The model has one SO(10) adjoint be solved by considering grand unification in string theory. As we shall see, after imposing some rather

  16. Grande Ronde Endemic Spring Chinook Salmon Supplementation Program : Facility Operation and Maintenance Facilities, Annual Report 2003

    Microsoft Academic Search

    Michael L. McLean; Ryan Seeger; Laurie Hewitt

    2004-01-01

    Anadromous salmonid stocks have declined in both the Grande Ronde River Basin (Lower Snake River Compensation Plan (LSRCP) Status Review Symposium 1998) and in the entire Snake River Basin (Nehlsen et al. 1991), many to the point of extinction. The Grande Ronde River Basin historically supported large populations of fall and spring chinook (Oncorhynchus tshawytscha), sockeye (O. nerka), and coho

  17. O VAREJO DE PRODUTOS COLONIAIS NA REGIÃO CENTRAL DO RIO GRANDE DO SUL

    Microsoft Academic Search

    Alexandre Da Silva; Rodrigo Da Silva Lisboa; Renato Santos De Souza; Alessandro Porporatti Arbage

    2008-01-01

    O presente trabalho teve como objetivo caracterizar o varejo de produtos coloniais na região central do Rio Grande do Sul face à importância desse setor e seus efeitos sobre as cadeias produtivas da região, em especial sobre o produtor rural. Metodologicamente, a pesquisa compõe-se de um survey (levantamento), realizado em 11 municípios da região central do Rio Grande do Sul.

  18. Estimation de canal et suppression d'interference pour les recepteurs OFDM `a grande mobilite

    E-print Network

    Paris-Sud XI, Université de

    Estimation de canal et suppression d'interf´erence pour les r´ecepteurs OFDM `a grande mobilit canal et ´egalisation pour un r´ecepteur OFDM `a grande mo- bilit´e. A chaque it´eration, l d'interf´erence sont reconstruits et soustraits. L'erreur d'estimation de canal en fonction de l

  19. Flow, Salts, and Trace Elements in the Rio Grande: A Review 

    E-print Network

    Miyamoto, S.; Fenn, L. B.; Swietlik, D.

    1995-01-01

    , respectively, for 7.8 and 6.1 percent of the total inflow into the Rio Grande. The highest salinity of the Rio Grande occurs in the section from Fort Quitman to Presidio (2000 to 5000 mg L-1) and at the Pecos River (2000 to 4000 mg L-1). Salinity of the Rio...

  20. Avaliao dos desastres naturais ocorridos no Rio Grande do Sul de 2007 a 2011 Janete T. REIS1

    E-print Network

    of this research is to evaluate the occurrence of natural disasters in the State of Rio Grande do Sul during slope. Keywords: Natural disasters, Geographic Information System, Civil Protection of Rio Grande do Sul

  1. 77 FR 2563 - Public Land Order No. 7787; Withdrawal of Public and National Forest System Lands in the Grand...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-01-18

    ...Forest System Lands in the Grand Canyon Watershed; Arizona AGENCY: Bureau of Land Management...in order to protect the Grand Canyon Watershed from adverse effects of locatable mineral...in order to protect the Grand Canyon Watershed from adverse effects of locatable...

  2. Team CIMAR's NaviGATOR: An Unmanned Ground Vehicle for Application to the 2005 DARPA Grand Challenge

    E-print Network

    Florida, University of

    Team CIMAR's NaviGATOR: An Unmanned Ground Vehicle for Application to the 2005 DARPA Grand DARPA Grand Challenge event. After a brief description of the event, the architecture, based on version. Keywords: DARPA Grand Challenge, autonomous navigation, path planning, sensor fusion, world modeling

  3. 76 FR 4649 - Grand River Dam Authority; Notice of Intent To File License Application, Filing of Pre...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-01-26

    ...Project No. 2524-018] Grand River Dam Authority; Notice of Intent To File License...2010. d. Submitted By: Grand River Dam Authority. e. Name of Project: Salina...Superintendent of Hydro Operations, Grand River Dam Authority, P.O. Box 70, Langley,...

  4. 78 FR 48044 - Safety Zone; San Diego International Airport Terminal Two West Grand Opening Fireworks; San Diego...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-08-07

    ...Zone; San Diego International Airport Terminal Two West Grand Opening Fireworks; San...the Grand Opening of Lindbergh Airport Terminal Two West on August 8, 2013. This temporary...for the San Diego International Airport Terminal Two grand opening. This safety...

  5. Populating a Control Point Database: A cooperative effort between the USGS, Grand Canyon Monitoring and Research Center and the Grand Canyon Youth Organization

    NASA Astrophysics Data System (ADS)

    Brown, K. M.; Fritzinger, C.; Wharton, E.

    2004-12-01

    The Grand Canyon Monitoring and Research Center measures the effects of Glen Canyon Dam operations on the resources along the Colorado River from Glen Canyon Dam to Lake Mead in support of the Grand Canyon Adaptive Management Program. Control points are integral for geo-referencing the myriad of data collected in the Grand Canyon including aerial photography, topographic and bathymetric data used for classification and change-detection analysis of physical, biologic and cultural resources. The survey department has compiled a list of 870 control points installed by various organizations needing to establish a consistent reference for data collected at field sites along the 240 mile stretch of Colorado River in the Grand Canyon. This list is the foundation for the Control Point Database established primarily for researchers, to locate control points and independently geo-reference collected field data. The database has the potential to be a valuable mapping tool for assisting researchers to easily locate a control point and reduce the occurrance of unknowingly installing new control points within close proximity of an existing control point. The database is missing photographs and accurate site description information. Current site descriptions do not accurately define the location of the point but refer to the project that used the point, or some other interesting fact associated with the point. The Grand Canyon Monitoring and Research Center (GCMRC) resolved this problem by turning the data collection effort into an educational exercise for the participants of the Grand Canyon Youth organization. Grand Canyon Youth is a non-profit organization providing experiential education for middle and high school aged youth. GCMRC and the Grand Canyon Youth formed a partnership where GCMRC provided the logistical support, equipment, and training to conduct the field work, and the Grand Canyon Youth provided the time and personnel to complete the field work. Two data collection efforts were conducted during the 2004 summer allowing 40 youth the opportunity to contribute valuable information to the Control Point Database. This information included: verification of point existence, photographs, accurate site descriptions concisely describing the location of the point, how to reach the point, the specific point location and detailed bearings to visible and obvious land marks. The youth learned to locate themselves and find the points using 1:1000 airphotos, write detailed site descriptions, take bearings with a compass, measure vertical and horizontal distances, and use a digital camera. The youth found information for 252 control points (29% of the total points).

  6. Domain walls and fermion scattering in Grand Unified models

    E-print Network

    D. A. Steer; T. Vachaspati

    2006-02-13

    Motivated by Grand Unification, we study the properties of domain walls formed in a model with $SU(5)\\times Z_2$ symmetry which is spontaneously broken to $SU(3) \\times SU(2) \\times U(1)/Z_6$, and subsequently to $SU(3) \\times U(1)/Z_3$. Even after the first stage of symmetry breaking, the SU(3) symmetry is broken to $SU(2)\\times U(1)/Z_2$ on the domain wall. In a certain range of parameters, flux tubes carrying color- and hyper-charge live on the domain wall and appear as ``boojums'' when viewed from one side of the domain wall. Magnetic monopoles are also formed in the symmetry breaking and those carrying color and hyper-charge can be repelled from the wall due to the Meissner effect, or else their magnetic flux can penetrate the domain wall in quantized units. After the second stage of symmetry breaking, fermions can transmute when they scatter with the domain wall, providing a simpler version of fermion-monopole scattering: for example, neutrinos can scatter into d-quarks, leaving behind electric charge and color which is carried by gauge field excitations living on the domain wall.

  7. Grand Army of the Republic Civil War Portraits

    NSDL National Science Digital Library

    Shortly after the conclusion of the Civil War, Union veterans formed the Grand Army of the Republic, or the G.A.R. Through the Reconstruction era and the Gilded Age, the G.A.R. was a powerful organization that lobbied the federal government for federal and state Soldiers Homes for invalids, advocated for the creation of Memorial Day, and also provided support for soldier reunions. This digital collection created by the University of Washington Libraries peers into the faces of some of these veterans by offering up this photograph album originally created by the Stevens Post #1 of the G.A.R., based in Seattle. The album contains over 100 portraits, and visitors can browse through them at their leisure. Visitors can zoom in and out on each photograph and they can also use a number of other tools to get the best view of each photograph for their own purposes. Also, while many of the photographs have complete provenance information, some do not, and visitors are welcome to write in with any insights they might have.

  8. A Grand (Ensemble) Design For Ice Sheet Projections

    NASA Astrophysics Data System (ADS)

    Edwards, Tamsin

    2015-04-01

    For projections of the probability of sea level rise from the ice sheets to be considered robust, they ought to be founded in both glaciological theory (represented by dynamical ice sheet models) and statistical inference (formal uncertainty quantification, UQ). No such studies yet exist for either the Greenland or Antarctic ice sheet. Ice sheet projections are therefore at risk of being physically implausible, difficult to interpret, or both. But ice sheet models have many advantages over climate models for UQ. They are computationally cheaper, simpler to understand, have fewer input parameters and output variables, and it is often straightforward to switch between different model structures. Just as importantly, the ice sheet modelling community is not yet constrained methodologically or culturally by the legacy - and pitfalls - of the CMIP multi-model "ensemble of opportunity". These advantages present us with a golden opportunity for policy relevant sea level projections: we can design a "grand ensemble" that quantifies multiple modelling uncertainties in a statistically rigorous and efficient way. Such an ensemble would systematically sample model parameters and structures, initial and boundary conditions, in the most informative way (given available computational resources), and would also allow statistical inference i.e. probabilistic estimates. I will present a design that draws on useful UQ techniques that have recently applied in ice sheet modelling (and others that have not). Such a design has the potential not only to generate more robust and meaningful sea level projections but also to provide thorough sensitivity analyses for prioritising model development and observational campaigns.

  9. The Grand Canyon midair collision. A stimulus for change.

    PubMed

    Murphy, G K

    1990-06-01

    Commercial aviation in the United States developed rapidly from a nucleus of pilots who returned from World War I, barnstormed and flew primitive airmail routes, and were hired by the new commerical airlines of the 1930s. The death of U.S. Senator Bronson Cutting in a 1935 crash was an important stimulus to improved governmental regulation of civil aviation. The air traffic control system, primitive until and throughout World War II, was soon proven to be inadequate for postwar demands. The midair collision of two large airliners over the Grand Canyon in June 1956 that killed the 128 persons on board was itself a strong stimulus for serious efforts, particularly in improving air traffic control systems. This and many other difficult problems in aviation safety have been addressed in the subsequent 33 years, some with success, although it has not always been immediate, and with major accidents still occurring. Commercial air travel is safe and widely accepted, however, and there is promise for additional important advances here. PMID:2343835

  10. Probing Supergravity Grand Unification in the Brookhaven g-2 Experiment

    E-print Network

    U. Chattopadhyay; Pran Nath

    1995-07-24

    A quantitative analysis of $\\amu\\equiv{1\\over 2}(g-2)_\\mu$ within the framework of Supergravity Grand Unification and radiative breaking of the electro-weak symmetry is given. It is found that $a_{\\mu}^{SUSY}$ is dominated by the chiral interference term from the light chargino exchange, and that this term carries a signature which correlates strongly with the sign of $\\mu$. Thus as a rule $a_{\\mu}^{SUSY}>0$ for $\\mu>0$ and $a_{\\mu}^{SUSY}<0$ for $\\mu<0$ with very few exceptions when tan$\\beta\\sim 1$. At the quantitative level it is shown that if the E821 BNL experiment can reach the expected sensitivity of $4\\times 10^{-10}$ and there is a reduction in the hadronic error by a factor of four or more, then the experiment will explore a majority of the parameter space in $ m_0-m_{\\tilde g}$ plane in the region $m_0\\lsim 400$ GeV, $m_{\\tilde g}\\lsim 700$ GeV for $\\tanbeta \\gsim 10$ assuming the experiment will not discard the Standard Model result within its $2\\sigma$ uncertainty limit. For smaller $\\tanbeta$, the SUSY reach of E821 will still be considerable. Further, if no effect within $2 \\sigma$ limit of the Standard Model value is seen, then large $\\tanbeta$ scenarios will be severely constrained within the current naturalness criterion, ie., $m_0, m_{\\tilde g}\\lsim 1$ TeV.

  11. Hydrologic Variability in Rio Grande Riparian Ecosystems, New Mexico, USA

    NASA Astrophysics Data System (ADS)

    Thibault, J. R.; Cleverly, J. R.; Dahm, C. N.

    2005-12-01

    Water consumption by invasive vegetation and restoration of native riparian ecosystems are receiving considerable attention along the Rio Grande corridor in central New Mexico, USA. Since 2000, we have measured evapotranspiration (ET) to estimate water use at several sites composed of native and exotic vegetation. We have also monitored water table (WT) depths and flood events to help determine restoration capability. Drought conditions and below normal runoff have prevailed during this time. Annual growing season rates of ET varied from 70 to 134 cm. ET was greatest in a native cottonwood forest with a dense, exotic understory, lowest in a less dense stand of exotic saltcedar mixed with native saltgrasses, and intermediate at a dense, monospecific saltcedar stand. In 2004, after exotics had been removed from the cottonwood site, ET declined 8% from the previous three year mean, while rising 3% to 6% at the other, untreated sites. WT hydrographs ranged from relatively shallow (<1.5 m) and uniform to relatively deep (>2.5 m) and highly variable. As the drought continued, the WT at the dense saltcedar site dropped below 3 m during much of the growing season. This site was also the only location that received flooding, although it was inundated very little from 2000 to 2003. Given the physical alterations and climatic variability inherent to this riverine system, long term data from different locations targeted for restoration help capture the range of hydrological conditions and provide valuable information for water resource management and restoration planning.

  12. Hydrological and Meteorological Disturbances in Rio Grande Riparian Ecosystems

    NASA Astrophysics Data System (ADS)

    Thibault, J. R.; Cleverly, J. R.; Dahm, C.

    2012-12-01

    Invasive species and ecohydrological disturbances are imperiling native riparian ecosystems. Adaptable, resilient exotic competitors including tamarisk have colonized many waterways in the western US. Alteration of the natural flow regime due to water diversions is expected to be exacerbated by climate change in this region, confounding restoration efforts. Climate change may also increase the likelihood of other disturbances, including extreme weather events (drought, floods, temperatures). We investigate how hydrological and meteorological variability impact water use by tamarisk communities that have overtaken native riparian vegetation. We have collected more than a decade of complete growing season eddy covariance evapotranspiration (ET) and water table (WT) elevation data at two sites along the Rio Grande corridor of central New Mexico, USA. Conditions have ranged from extreme drought to exceedingly wet years with extensive overbank flooding, and from record setting warm to cold temperatures. Severe to extreme droughts persisted throughout 2002 and 2003. Abundant snowpacks and wetter conditions led to extensive flooding early in the 2005 and 2008 growing seasons. Along with a return to intense drought conditions, extreme temperatures struck New Mexico in 2011. A deep freeze in early February followed by an extraordinarily late, extended hard freeze at the onset of the growing season was then succeeded by the warmest summer in the state's 117 year record. We present how water use by the replacement communities responds to droughts, flooding, and extreme temperatures, all of which are expected to increase in frequency, and speculate how these disturbances will affect native riparian ecosystems.

  13. Modeling Fecal Coliform Contamination in the Rio Grande

    NASA Astrophysics Data System (ADS)

    Laware, Paul; Rifai, Hanadi S.

    2006-04-01

    This study examines sources of fecal coliform in Segment 2302 of the Rio Grande, located south of the International Falcon Reservoir in southern Texas. The watershed is unique because the contributing drainage areas lie in Texas and Mexico. Additionally, the watershed is mostly rural, with populated communities known as "colonias." The colonias lack sewered systems and discharge sanitary water directly to the ground surface, thus posing an increased health hazard from coliform bacteria. Monitoring data confirm that Segment 2302 is not safe for contact recreation due to elevated fecal coliform levels. The goal of the study was to simulate the observed exceedences in Segment 2302 and evaluate potential strategies for their elimination. Fecal coliform contributions from ranching and colonia discharges were modeled using the Hydrologic Simulation Program-Fortran (HSPF). Model results indicated that the regulatory 30-day geometric mean fecal coliform concentration of 200 colony forming units (cfu) per 100 milliliters is exceeded approximately three times per year for a total of 30 days. Ongoing initiatives to improve wastewater facilities will reduce this to approximately once per year for 14 days. Best management practices will be necessary to reduce cattle access to streams and eliminate all exceedences. The developed model was limited by the relatively sparse flow and fecal coliform data.

  14. Regional atmospheric circulation shifts induced by a grand solar minimum

    NASA Astrophysics Data System (ADS)

    Martin-Puertas, Celia; Matthes, Katja; Brauer, Achim; Muscheler, Raimund; Hansen, Felicitas; Petrick, Christof; Aldahan, Ala; Possnert, Göran; van Geel, Bas

    2012-06-01

    Large changes in solar ultraviolet radiation can indirectly affect climate by inducing atmospheric changes. Specifically, it has been suggested that centennial-scale climate variability during the Holocene epoch was controlled by the Sun. However, the amplitude of solar forcing is small when compared with the climatic effects and, without reliable data sets, it is unclear which feedback mechanisms could have amplified the forcing. Here we analyse annually laminated sediments of Lake Meerfelder Maar, Germany, to derive variations in wind strength and the rate of 10Be accumulation, a proxy for solar activity, from 3,300 to 2,000 years before present. We find a sharp increase in windiness and cosmogenic 10Be deposition 2,759 +/- 39 varve years before present and a reduction in both entities 199 +/- 9 annual layers later. We infer that the atmospheric circulation reacted abruptly and in phase with the solar minimum. A shift in atmospheric circulation in response to changes in solar activity is broadly consistent with atmospheric circulation patterns in long-term climate model simulations, and in reanalysis data that assimilate observations from recent solar minima into a climate model. We conclude that changes in atmospheric circulation amplified the solar signal and caused abrupt climate change about 2,800 years ago, coincident with a grand solar minimum.

  15. Bajc-Melfo vacua enable Yukawon ultraminimal grand unified theories

    NASA Astrophysics Data System (ADS)

    Aulakh, Charanjit S.

    2015-03-01

    Bajc-Melfo (BM ) two-field (S ,? ) superpotentials define metastable F-term supersymmetry-breaking vacua suitable as hidden sectors for calculable and realistic family and grand unification models. The undetermined vacuum expectation value (VEV) ?Ss? of the Polonyi field that breaks supersymmetry can be fixed either by coupling to N =1 supergravity or by radiative corrections. BM hidden sectors extend to symmetric multiplets (S ,? )ab of a gauged O (Ng) family symmetry, broken at the GUT scale, so that the O (Ng) charged component VEVs ?S^ a b? are also undetermined before accounting for the O (Ng) D-terms, which fix them by cancellation against D-term contributions from the visible sector. This facilitates Yukawon ultraminimal GUTs (YUMGUTs) proposed in [C. S. Aulakh and C. K. Khosa, Phys. Rev. D 90, 045008 (2014)] by relieving the visible sector from the need to give null D-terms for the family symmetry O (Ng). We analyze symmetry breaking and spectra of the hidden-sector fields in the supergravity resolved case when Ng=1 ,2 ,3 . Besides the Polonyi field Ss, most of the superfields S^a b remain light, with fermions getting masses only from loop corrections. Such modes may yield novel dark matter lighter than 100 GeV. Possible Polonyi and moduli problems associated with the fields Sa b call for detailed investigation of loop effects due to the Yukawa and gauge interactions in the hidden sector and of postinflationary field relaxation dynamics.

  16. Lepton Number Violation in Supersymmetric Grand Unified Theories

    E-print Network

    J. L. Chkareuli; C. D. Froggatt

    2000-04-10

    We argue that the nature of the global conservation laws in Supersymmetric Grand Unified Theories is determined by the basic vacuum configuration in the model rather than its Lagrangian. It is shown that the suppression of baryon number violation in a general (R-parity violating) superpotential can naturally appear in some extended SU(N) SUSY GUTs which, among other degenerate symmetry-breaking vacua, have a missing VEV vacuum configuration giving a solution to the doublet-triplet splitting problem. We construct SU(7) and SU(8) GUTs where the effective lepton number violating couplings immediately evolve, while the baryon number non-conserving ones are safely projected out as the GUT symmetry breaks down to that of the MSSM. However at the next stage, when SUSY breaks, the radiative corrections shift the missing VEV components to some nonzero values of order M_{SUSY}, thereby inducing the ordinary Higgs doublet mass, on the one hand, and tiny baryon number violation, on the other. So, a missing VEV solution to the gauge hierarchy problem leads at the same time to a similar hierarchy of baryon vs lepton number violation.

  17. Grand-Canonical Quantized Liquid Density-Functional Theory in a Car-Parrinello Implementation

    E-print Network

    Walther, Christian F J; Heine, Thomas

    2013-01-01

    Quantized Liquid Density-Functional Theory [Phys. Rev. E 2009, 80, 031603], a method developed to assess the adsorption of gas molecules in porous nanomaterials, is reformulated within the grand canonical ensemble. With the grand potential it is possible to compare directly external and internal thermodynamic quantities. In our new implementation, the grand potential is minimized utilizing the Car-Parrinello approach and gives, in particular for low temperature simulations, a significant computational advantage over the original canonical approaches. The method is validated against original QLDFT, and applied to model potentials and graphite slit pores.

  18. Grand challenge problems in environmental modeling and remediation: Groundwater contaminant transport. Final project report 1998

    SciTech Connect

    NONE

    1998-04-01

    The over-reaching goal of the Groundwater Grand Challenge component of the Partnership in Computational Science (PICS) was to develop and establish the massively parallel approach for the description of groundwater flow and transport and to address the problem of uncertainties in the data and its interpretation. This necessitated the development of innovative algorithms and the implementation of massively parallel computational tools to provide a suite of simulators for groundwater flow and transport in heterogeneous media. This report summarizes the activities and deliverables of the Groundwater Grand Challenge project funded through the High Performance Computing grand challenge program of the Department of Energy from 1995 through 1997.

  19. Rockmagnetism and inorganic geochemistry of Grand Lake sediment, NE Russia

    NASA Astrophysics Data System (ADS)

    Minyuk, P. S.; Borkhodoev, V. Y.; Subbotnikova, T. V.

    2013-12-01

    Grand Lake, located in Magadan region (51 53'E, 60 44'N), belongs to the group of Elikchan Lakes. Maximum depth of the lake is 23.2 m. 12 cores from deep and shallow parts of the lake were taken using a Livingston corer. Sediment records from Grand Lake provide a continuous archive of climate change during marine isotopic stages (MIS) 4-1. Magnetic susceptibility (MS), saturation magnetization, saturation remanence, coercive force, remanence coercivity, temperature dependence of the induced magnetization and susceptibility of sediment and magnetic extracts were analyzed. Scanning electron microscopy (SEM) with energy dispersive X-ray spectroscopy (EDX) was used to diagnose Fe-bearing minerals. MS from cores was used for correlation between the core sections. Analysis of the complex data indicate that there are four main lithologic units of sediment. Unit 1 (MIS 1), depth 0-320 cm. Upper subunit (0-150 cm) shows negative or very low MS. Sediment has high content of organic matter and SiO2 (up to 92%) because of biogenic component. The Lower subunit (depth 150-320 cm) consists of laminated organic silt. The MS of this subunit ranges from 0 to 295 (95), 10-6 SI. The sediment shows high content of Fe2O3, P2O5, MnO indicating a redox boundary. Unit 2 (MIS 2), depth 320-627 cm. Sediment is composed of laminated silt and formed during anoxic conditions. Dark thin layers are enriched with P2O5 and MnO. The unit is characterized by low MS = 57-500 (170), 10-6, SI. Vivianite and Fe-sulfides including pyrite and greigite are found in this unit. Greigite occurs in diatom valves and as fine grained aggregates and has specific thermomagnetic curves. Unit 3 (MIS 3), depth 627-965 cm. Sediment consist of homogenous silt and that accumulated during oxic conditions. Unit has highest MS in the core section: 87-1300 (480), 10-6 SI and is enriched with CaO, Na2O, K2O, SiO2. Unite 4 (MIS 4), depth-965-1015 cm includes sand, dense silt and shows high variations of MS values. According to SEM, EDX, TMA results the detrital magnetic minerals are pseudo-single-domain magnetite, titanomagnetite and titanomaghemite. Most titanomagnetites contain impurities of Al, Si and Mn. Chromium-magnetites and Ilmenite are found also. Down-core variations in magnetic and geochemical properties closely follow climatic and environmental changes established by other proxy methods including pollen and diatom data. Sediments of the warm stages (MIS 3, partly MIS 1) display a higher concentration of magnetic minerals, low values of chemical alteration index, weathering index and plagioclase index of alteration in contrast to sediments of MIS 2.

  20. A GRAND DESIGN FOR GALAXY CLUSTERS: CONNECTIONS AND PREDICTIONS

    SciTech Connect

    Cavaliere, A.; Lapi, A. [Dipartimento di Fisica, Universita degli Studi di Roma 'Tor Vergata', Via della Ricerca Scientifica 1, I-00133 Roma (Italy); Fusco-Femiano, R. [INAF-IASF, Via Fosso del Cavaliere, I-00133 Roma (Italy)

    2011-11-20

    We analyze with our entropy-based Supermodel a library of 12 galaxy clusters featuring extended X-ray observations of their intracluster plasma (ICP). The few intrinsic parameters of the model-basically, the central level and the outer slope of the entropy profile-enable us to uniformly derive not only robust snapshots of the ICP thermal state, but also the 'concentration' parameter marking the age of the host dark matter (DM) halo. We test these profiles for consistency with numerical simulations and observations. We find the central and the outer entropy correlate, so that these clusters split into two main classes defined on the basis of low (LE) or high entropy (HE) conditions prevailing throughout the ICP. We also find inverse correlations between the central/outer entropy and the halo concentration. We interpret these in terms of mapping the ICP progress on timescales around 5 Gyr toward higher concentrations, under the drive of the DM halo development. The progress proceeds from HE clusters to LE clusters, toward states of deeper entropy erosion by radiative cooling in the inner regions and of decreasing outer entropy production as the accretion peters out. We propose these radial and time features constitute a cluster Grand Design that we use here to derive a number of predictions. For HE clusters we predict sustained outer temperature profiles. For LEs we expect the outer entropy ramp to bend over; hence the temperature declines before steepening at low z; this feature goes together with an increasing turbulent support, a condition that can be directly probed with the Sunyaev-Zel'dovich effect. We finally discuss the looming out of two intermediate subsets: a wiggled HE-tilde at low z that features central temperature profiles retaining imprints of entropy discharged by active galactic nuclei or deep mergers and high-z LEs where the cosmogony/cosmology had little time to enforce a sharp outer entropy bending.

  1. Restoration potential of Rio Grande riparian ecosystems amid hydroclimatic challenges

    NASA Astrophysics Data System (ADS)

    Thibault, J. R.; Dahm, C.; Cleverly, J. R.

    2013-12-01

    Hydrological processes drive the ecological functioning and sustainability of cottonwood-dominated riparian ecosystems in the arid southwestern USA. Snowmelt runoff elevates water tables (WTs) and inundates floodplains, which with favorable timing, magnitude, and duration promote cottonwood germination. Once established, these phreatophytes rely on shallow water tables. In New Mexico's middle Rio Grande (MRG) corridor, native cottonwood riparian communities are threatened by diminished flooding and deepening WTs due to river management, competitive invasive vegetation, and a persistent drought. Since 2000 we have monitored WTs and evapotranspiration (via eddy covariance flux towers) at several locations along the MRG. Conditions have ranged from extreme drought to exceedingly wet years with extensive overbank flooding. We assess the threats to and the restoration of these diverse ecosystems. Despite 2 wet years, drought has defined conditions during the first 13 years of our research (2000 - 2012). Severe to extreme drought has characterized about 40% of snowmelt periods critical to cottonwood germination and nearly half of the complete growing seasons. River flows have averaged 75% of normal and < 50% in many years. Peak snowmelt runoff during 2000 - 2012 was 36% lower and occurred 10 days earlier than the long-term mean. Our flood-prone site has been significantly inundated (> 50% of the snowmelt period) only twice, in the two wet years. The hydroclimatic regime of this region is expected to see an increase drought frequency. Thus, it is imperative to optimize restoration strategies. Suitable sites have diminished greatly as the once meandering, more freely flowing MRG has been constrained and depleted. Invasive vegetation less susceptible to the altered hydrologic regime further impact the MRG. Our long-term monitoring at various sites over a range of hydroclimatic extremes reveals attributes that can be evaluated for restoration potential. These include likelihood of flooding, timing of peak WT elevations, rate of water table decline following peaks, WT depths and variability during snowmelt and the overall growing season, and the relationship between WTs and the health of the riparian community.

  2. Grand Challenge Competition to Predict In Vivo Knee Loads

    PubMed Central

    Fregly, Benjamin J.; Besier, Thor F.; Lloyd, David G.; Delp, Scott L.; Banks, Scott A.; Pandy, Marcus G.; D’Lima, Darryl D.

    2013-01-01

    Impairment of the human neuromusculoskeletal system can lead to significant mobility limitations and decreased quality of life. Computational models that accurately represent the musculoskeletal systems of individual patients could be used to explore different treatment options and ultimately to optimize clinical outcome. The most significant barrier to model-based treatment design is validation of model-based estimates of in vivo contact and muscle forces. This paper introduces an annual “Grand Challenge Competition to Predict In Vivo Knee Loads” based on a series of comprehensive publicly available in vivo data sets for evaluating musculoskeletal model predictions of contact and muscle forces in the knee. The data sets come from patients implanted with force-measuring tibial prostheses. Following a historical review of musculoskeletal modeling methods used for estimating knee muscle and contact forces, we describe the first two data sets used for the first two competitions and summarize four subsequent data sets to be used for future competitions. These data sets include tibial contact force, video motion, ground reaction, muscle EMG, muscle strength, static and dynamic imaging, and implant geometry data. Competition participants create musculoskeletal models to predict tibial contact forces without having access to the corresponding in vivo measurements, which are not released until after each year’s competition submissions. These blinded predictions provide an unbiased evaluation of the capabilities and limitations of musculoskeletal modeling methods. The paper concludes with a discussion of how these unique data sets can be used by the musculoskeletal modeling research community to improve the estimation of in vivo muscle and contact forces and ultimately to help make musculoskeletal models clinically useful. PMID:22161745

  3. Decontamination of nuclear systems at the Grand Gulf Nuclear Station

    SciTech Connect

    Weed, R.D. [R.D. Weed Consulting Engineers, Walnut Creek, CA (United States); Baker, K.R.

    1996-12-31

    Early in 1994 Management at the Grand Gulf Nuclear Station realized that a potential decontamination of several reactor systems was needed to maintain the commitments to the {open_quotes}As Low As Reasonably Achievable{close_quotes} (ALARA) program. There was a substantial amount of planned outage work required to repair and replace some internals in loop isolation valves and there were inspections and other outage work that needed to be accomplished as it had been postponed from previous outages because of the radiation exposure levels in and around the system equipment. Management scheduled for the procurement specification to be revised to incorporate additional boundary areas which had not been previously considered. The schedule included the period for gathering bids, awarding a contract, and reviewing the contractor`s procedures and reports and granting approval for the decontamination to proceed during the upcoming outage. In addition to the reviews required by the engineering group for overall control of the process, the plant system engineers had to prepare procedures at the system level to provide for a smooth operation to be made during the decontamination of the systems. The system engineers were required to make certain that the decontamination fluids would be contained within the systems being decontaminated and that they would not cross contaminate any other system not being decontaminated. Since these nuclear stations do not have the provisions for decontaminating these systems with using additional equipment, the equipment required is furnished by the contractor as skid mounted packaged units which can be moved into the area, set up near the system being decontaminated, and after the decontamination is completed, the skid mounted packages are removed as part of the contract. Figure 1 shows a typical setup in block diagram required to perform a reactor system decontamination. 1 fig.

  4. Lunar and terrestrial planet formation in the Grand Tack scenario

    NASA Astrophysics Data System (ADS)

    Jacobson, S. A.; Morbidelli, A.

    2014-09-01

    We present conclusions from a large number of N-body simulations of the giant impact phase of terrestrial planet formation. We focus on new results obtained from the recently proposed Grand Tack model, which couples the gas-driven migration of giant planets to the accretion of the terrestrial planets. The giant impact phase follows the oligarchic growth phase, which builds a bi-modal mass distribution within the disc of embryos and planetesimals. By varying the ratio of the total mass in the embryo population to the total mass in the planetesimal population and the mass of the individual embryos, we explore how different disc conditions control the final planets. The total mass ratio of embryos to planetesimals controls the timing of the last giant (Moon forming) impact and its violence. The initial embryo mass sets the size of the lunar impactor and the growth rate of Mars. After comparing our simulated outcomes with the actual orbits of the terrestrial planets (angular momentum deficit, mass concentration) and taking into account independent geochemical constraints on the mass accreted by the Earth after the Moon forming event and on the timescale for the growth of Mars, we conclude that the protoplanetary disc at the beginning of the giant impact phase must have had most of its mass in Mars-sized embryos and only a small fraction of the total disc mass in the planetesimal population. From this, we infer that the Moon forming event occurred between ˜60 and ˜130 My after the formation of the first solids, and was caused most likely by an object with a mass similar to that of Mars.

  5. Wil Wheaton and the Grand Entrance - Duration: 4 minutes, 7 seconds.

    NASA Video Gallery

    As NASA prepares for Curiosity rover landing on Mars, Wil Wheaton shares this thrilling story of NASA's hardest planetary science mission to date. The video titled, "Grand Entrance," guides viewers...

  6. Influences of vegetation characteristics and invertebrate abundance of Rio Grande wild turkey populations, Edwards Plateau, Texas 

    E-print Network

    Randel, Charles Jack

    2005-02-17

    Since 1970, Rio Grande wild turkey (Meleagris gallapavo intermedia) numbers in the southern region of the Edwards Plateau of Texas have been declining. Nest-site characteristics and invertebrate abundance were hypothesized as limiting wild turkey...

  7. Reproductive ecology of Rio Grande wild turkey in the Edwards Plateau of Texas 

    E-print Network

    Melton, Kyle Brady

    2009-05-15

    The abundance of Rio Grande wild turkeys (Meleagris gallopavo intermedia) in the southeastern Edwards Plateau of Texas has declined since the late 1970s. Because knowledge of reproductive rates is important to understanding the dynamics of a...

  8. A simulation model of Rio Grande wild turkey dynamics in the Edwards Plateau of Texas 

    E-print Network

    Schwertner, Thomas Wayne

    2006-08-16

    I investigated the effect of precipitation and predator abundance on Rio Grande wild turkey (Meleagris gallopavo; RGWT) in Texas. My results suggested that RGWT production was strongly correlated with cumulative winter precipitation over the range...

  9. Nesting ecology of Rio Grande wild turkeys in the Edwards Plateau of Texas 

    E-print Network

    Dreibelbis, Justin Zachary

    2009-05-15

    Rio Grande wild turkey (Meleagris gallopavo intermedia) numbers in the southeastern region of the Edwards Plateau (EP) have shown a significant decline since the 1970s; however, the remainder of the EP had stable populations during this period...

  10. The systemic and ideological sources of grand strategic doctrine : American foreign policy in the twentieth century

    E-print Network

    Green, Brendan Rittenhouse

    2011-01-01

    What explains the puzzling variation in America's foreign policy posture? This study proposes and tests a theory of American grand strategy that places an emphasis on two key variables: the ideological content of American ...

  11. US SPACE CAMP CALIFORNIA - DAY CAMP GRAND OPENING WITH KEVIN JONES (WHISMAN SCHOOL) AND LUCRETIA

    NASA Technical Reports Server (NTRS)

    1996-01-01

    US SPACE CAMP CALIFORNIA - DAY CAMP GRAND OPENING WITH KEVIN JONES (WHISMAN SCHOOL) AND LUCRETIA SUTHERLIN (MCNAIR SCHOOL). AMES SPONSORED STUDENTS AND RACHAEL QUIRING (STAFF) - AUTOGRAPH SIGNING BY Astronaut Wally Schirra

  12. Le poids des liens proches : tude de la dynamique d'un grand rseau social

    E-print Network

    'organisation de l'information au commerce en ligne, en passant par la publications de photographies ou des ser communication) a aussi permi l'essor de l'étude des dynamiques des grands réseaux. Cette étude peut avoir des

  13. Texas Legislative and Irrigation Districts of the Rio Grande River Basin: A Map Series

    E-print Network

    Leigh, Eric; Fipps, G.

    The title of this map series is Texas Legislative and Irrigation Districts of the Rio Grande River Basin. The series consists of nine (9) maps showing the boundaries of legislative districts and 32 water districts that deliver irrigation water...

  14. Workshop on The Rio Grande Rift: Crustal Modeling and Applications of Remote Sensing

    NASA Technical Reports Server (NTRS)

    Blanchard, D. P. (editor)

    1980-01-01

    The elements of a program that could address significant earth science problems by combining remote sensing and traditional geological, geophysical, and geochemical approaches were addressed. Specific areas and tasks related to the Rio Grande Rift are discussed.

  15. A Grand Canonical Monte Carlo–Brownian Dynamics Algorithm for Simulating Ion Channels

    E-print Network

    Im, Wonpil; Seefeld, Stefan; Roux, Benoî t

    2000-08-01

    A computational algorithm based on Grand Canonical Monte Carlo (GCMC) and Brownian Dynamics (BD) is described to simulate the movement of ions in membrane channels. The proposed algorithm, GCMC/BD, allows the simulation of ion channels with a...

  16. 75 FR 7625 - Endangered and Threatened Wildlife and Plants; Rio Grande Silvery Minnow (Hybognathus amarus...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-02-22

    ...the decline of the Rio Grande silvery minnow is attributed primarily to destruction and modification of its habitat due to dewatering and diversion of water, water impoundment, and modification of the river (channelization). Competition and...

  17. Views from the River Front: Rio Grande Decision Makers Rank Water Conservation Strategies

    E-print Network

    Silvy, Valeen; Lesikar, Bruce J.

    2005-10-18

    This publication details the results of a survey of elected city officials and water managers in the Rio Grande River Basin of Texas and New Mexico. The participants ranked water conservation strategies for their communities....

  18. Economic Essays on Water Resources Management of the Texas Lower Rio Grande Valley 

    E-print Network

    Leidner, Andrew

    2012-07-16

    The study area for this dissertation is the Texas Lower Rio Grande Valley (Valley). The overarching theme is water and includes regional water management, water management institutions, and water supply decision-making as ...

  19. 78 FR 75579 - License Renewal Application for Grand Gulf Nuclear Station, Unit 1

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-12-12

    ...50-416; NRC-2011-0262] License Renewal Application for Grand Gulf Nuclear Station...Environmental Impact Statement (GEIS) for License Renewal of Nuclear Plants, NUREG-1437, regarding the renewal of operating license NPF-29 for an...

  20. Select Economic Implications for the Biological Control of Arundo donax along the Rio Grande 

    E-print Network

    Seawright, Emily Kaye

    2010-10-12

    . With concern of increased water demands in the Texas Lower Rio Grande Valley region, the United States Department of Agriculture-Agricultural Research Service (USDA)ARS) is investigating four herbivorous insects as potential biological control agents for Arundo...

  1. Une grande fte se prpare en Midi-Pyrnes WWW.ASTRONOMIE2009-MIP.FR

    E-print Network

    Dintrans, Boris

    prestigieux site d'observation du Pic du Midi, ses nombreux clubs d'astronomes amateurs et ses organismes de professionnels et amateurs. Pour le grand Sud-ouest (Aquitaine, Limousin, Midi-Pyrénées et Poitou-Charentes) la

  2. Impossible or Merely Difficult? Two Grand Challenges from a Biologist’s Perspective

    PubMed Central

    2013-01-01

    Here I propose two grand challenges for medicinal chemists: the deorphanization of orphan GPCRs via in silico methods and the design of multitarget drugs with enhanced safety and efficacy over current medications. PMID:23544175

  3. SEASONAL VARIATION IN THE BIOGEOCHEMICAL CYCLING OF SESTON IN GRAND TRAVERSE BAY, LAKE MICHIGAN. (R825151)

    EPA Science Inventory

    This study describes the biogeochemical cycling of seston in Grand Traverse Bay, Lake Michigan. Seston was characterized by carbon and nitrogen elemental and isotopic abundances. Fluorescence, temperature, light transmittance, and concentrations of dissolved inorganic nitrogen we...

  4. 78 FR 33016 - Proposed Amendment of Class D Airspace; Grand Forks AFB, ND

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-06-03

    ...Grand Forks, ND. Changes to the airspace description are necessary due to changes in air traffic control tower operating hours. The FAA is taking this action to enhance the safety and management of Instrument Flight Rules (IFR)...

  5. Self-consistent thermodynamics for the Tsallis statistics in the grand canonical ensemble: Nonrelativistic hadron gas

    E-print Network

    Parvan, A S

    2015-01-01

    In the present paper, the Tsallis statistics in the grand canonical ensemble was reconsidered in a general form. The thermodynamic properties of the nonrelativistic ideal gas of hadrons in the grand canonical ensemble was studied numerically and analytically in a finite volume and the thermodynamic limit. It was proved that the Tsallis statistics in the grand canonical ensemble satisfies the requirements of the equilibrium thermodynamics in the thermodynamic limit if the thermodynamic potential is a homogeneous function of the first order with respect to the extensive variables of state of the system and the entropic variable $z=1/(q-1)$ is an extensive variable of state. The equivalence of canonical, microcanonical and grand canonical ensembles for the nonrelativistic ideal gas of hadrons was demonstrated.

  6. Views from the River Front: Rio Grande Decision Makers Rank Water Conservation Strategies 

    E-print Network

    Silvy, Valeen; Lesikar, Bruce J.

    2005-10-18

    This publication details the results of a survey of elected city officials and water managers in the Rio Grande River Basin of Texas and New Mexico. The participants ranked water conservation strategies for their communities....

  7. 78 FR 74005 - Amendment of Class D and Class E Airspace; Grand Forks, ND

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-12-10

    ...International Airport and Grand Forks Air Force Base (AFB). This action does not...FURTHER INFORMATION CONTACT: Scott Enander, Central Service Center...routine matter that only affects air traffic procedures and air navigation, it is certified...

  8. 78 FR 48292 - Amendment of Class D Airspace; Grand Forks AFB, ND

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-08-08

    ...airspace at Grand Forks Air Force Base (AFB), ND. Changes to...necessary due to changes in air traffic control tower operating...FURTHER INFORMATION CONTACT: Scott Enander, Central Service...matter that only affects air traffic procedures and...

  9. [Epidemiology of leishmaniasis in Algeria. 7. Visceral leishmaniasis in the Grande Kabylie focus].

    PubMed

    Dedet, J P; Addadi, K; Lannuzel, B

    1977-01-01

    The authors present the results of a survey on visceral leishmaniasis in the Grande Kabylie region (Algeria). With a 2.6 human cases per 100,000 annual prevalence, and a 11.4 per cent incidence of canine leishmaniasis, the Grande Kabylie appears to be the most important focus of visceral leishmaniasis in North Africa. The endemicity ecological factors are discussed and a control program is proposed. PMID:580909

  10. Population structure and genetic management of Rio Grande cutthroat trout ( Oncorhynchus clarkii virginalis )

    Microsoft Academic Search

    V. L. Pritchard; J. L. Metcalf; K. Jones; A. P. Martin; D. E. Cowley

    2009-01-01

    The Rio Grande cutthroat trout, Oncorhynchus clarkii virginalis, has declined precipitously over the past century, and currently exhibits a highly fragmented distribution within the Canadian,\\u000a Pecos and Rio Grande river systems of the western United States. The relationships between populations in the three river\\u000a drainages, and between O. c. virginalis and the closely related taxa O. c. pleuriticus and O.

  11. Les grands réseaux publics français de transport et de communication dans une perspective européenne

    Microsoft Academic Search

    Nicolas Curien; Stéphane Jacobzone

    1993-01-01

    [fre] Les grands réseaux publics français de transport et de communication dans une perspective européenne . L'environnement économique des grands réseaux publics français de transport et de communication se transforme avec le Marché unique. L'impulsion concurrentielle est donnée par la Commission, qui s'inspire partiellement des déréglementations menées aux États-Unis. Elle vise à restreindre les espaces réservés aux monopoles et fait

  12. Efficient Irrigation for Water conservation in the Rio Grande Basin: 2010-2011 Progress and Accomplishments

    E-print Network

    Kalisek, D.; Harris, B.L.; Runyan, C.; DeMouche, L.

    2011-06-21

    COLLEGE OF AGRICULTURE AND LIFE SCIENCES TR-400 2011 Efficient Irrigation for Water Conservation in the Rio Grande Basin 2010/2011 Progress and Accomplishments By Danielle Kalisek, B.L. Harris, Texas Water... IRRIGATION FOR WATER CONSERVATION IN THE RIO GRANDE BASIN 2010/2011 PROGRESS AND ACCOMPLISHMENTS Texas AgriLife Research and the Texas AgriLife Extension Service New Mexico Agricultural Experiment Station and New Mexico Cooperative Extension Service...

  13. INGENIERIA DE TRAFICO EN LINEA EN REDES MPLS APLICANDO LA TEORIA DE GRANDES DESVIACIONES

    E-print Network

    INGENIER´IA DE TR´AFICO EN L´INEA EN REDES MPLS APLICANDO LA TEOR´IA DE GRANDES DESVIACIONES Por aceptaci´on de la tesis titulada "Ingenier´ia de Tr´afico en l´inea en redes MPLS aplicando la teor´ia de´afico en l´inea en redes MPLS aplicando la teor´ia de Grandes Desviaciones Departmento: Telecomunicaciones

  14. The influence of prey distribution on the foraging strategy of the lizard Oligosoma grande (Reptilia: Scincidae)

    Microsoft Academic Search

    Douglas A. Eifler; Maria A. Eifler

    1999-01-01

    The grand skink, Oligosoma grande, is a diurnal rock-dwelling lizard from the tussock grasslands of Central Otago, New Zealand, whose diet includes a variety\\u000a of arthropods and fruit. We conducted a field experiment to examine the influence of prey distribution on foraging behavior\\u000a and spacing patterns. On sites where prey distribution was unaltered (control sites), males and females differed in

  15. International cooperation between the United States and Mexico: addressing water quality of the Lower Rio Grande 

    E-print Network

    Crouch, Kellie Gene

    1997-01-01

    (Head of Dep tment) August 1 997 Major Subject: Geography ABSTRACT International Cooperation between the United States and Mexico: Addressing Water Quality of the Lower Rio Grande. (August 1997) Kellie Gene Crouch, B. S. , Southwest Texas State... between humans and their surrounding environment 12 Segments of the Lower Rio Grande Basin in Texas. . . . 36 Fecal coliform levels above and below Laredo, Texas/Nuevo Laredo, Tamaulipas. . . . 39 7 Distribution of Hepatitis-A for Texas counties...

  16. A Geomorphological Assessment of Armored Deposits Along the Southern Flanks of Grand Mesa, CO, USA

    E-print Network

    Brunk, Timothy J.

    2011-08-08

    A GEOMORPHOLOGICAL ASSESSMENT OF ARMORED DEPOSITS ALONG THE SOUTHERN FLANKS OF GRAND MESA, CO, USA A Thesis by TIMOTHY JAMES BRUNK Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment... of the requirements for the degree of MASTER OF SCIENCE May 2010 Major Subject: Geology A GEOMORPHOLOGICAL ASSESSMENT OF ARMORED DEPOSITS ALONG THE SOUTHERN FLANKS OF GRAND MESA, CO, USA A Thesis by TIMOTHY JAMES BRUNK Submitted...

  17. Colloque "Satellites grand champ : ", Clermont-Ferrand, 21-22 janvier 2010 1 Comparaison des donnes des satellites grand champ pour le suivi des

    E-print Network

    Paris-Sud XI, Université de

    végétation en Afrique de l´Ouest Bernard Lacaze Pôle de Recherche sur l´Organisation et la Diffusion de l hectométriques (TERRA-MODIS, ENVISAT-MERIS. La haute répétivité des observations des satellites grand champ/continental 8 km 15 jours 1981 VITO SPOT-VEGETATION global/continental 1 km 10 jours 1998 NASA-GSFC TERRA-MODIS

  18. RACIONALIDADE AMBIENTAL POR PARTE DE PRODUTORES RURAIS SITUADOS NA REGIÃO DA NASCENTE DO RIO GRANDE Environmental racionality by the rural producers in the headwaters of the Rio Grande

    Microsoft Academic Search

    Anna Carolina; Salgado Jardim; Robson Amâncio; Marcos Affonso; Ortiz Gomes

    RESUMO Os objetivos deste artigo são identificar e caracterizar a racionalidade ambiental dos agricultores, por meio da visão de mundo, das percepções, dos conhecimentos e das práticas socioambientais em duas comunidades rurais situadas nas proximidades da nascente do Rio Grande, no município de Bocaina de Minas, MG. Especificamente, buscou-se caracterizar o significado e a importância que os recursos naturais têm

  19. On the Grand Challenges in Physical Petrology: the Multiphase Crossroads

    NASA Astrophysics Data System (ADS)

    Bergantz, G. W.

    2014-12-01

    Rapid progress in experimental, micro-analytical and textural analysis at the crystal scale has produced an unprecedented record of magmatic processes. However an obstacle to further progress is the lack of understanding of how mass, energy and momentum flux associated with crystal-rich, open-system events produces identifiable outcomes. Hence developing a physically-based understanding of magmatic systems linking micro-scale petrological observations with a physical template operating at the macro-scale presents a so-called "Grand Challenge." The essence of this challenge is that magmatic systems have characteristic length and feedback scales between those accessible by classical continuum and discrete methods. It has become increasingly obvious that the old-school continuum methods have limited resolution and power of explanation for multiphase (real) magma dynamics. This is, in part, because in crystal-rich systems the deformation is non-affine, and so the concept of constitutive behavior is less applicable and likely not even relevant, especially if one is interested in the emergent character of micro-scale processes. One expression of this is the cottage industry of proposing viscosity laws for magmas, which serves as "blunt force" de facto corrections for what is intrinsically multiphase behavior. Even in more fluid-rich systems many of these laws are not suitable for use in the very transport theories they aim to support. The alternative approach is the discrete method, where multiphase interactions are explicitly resolved. This is a daunting prospect given the numbers of crystals in magmas. But perhaps all crystals don't need to be modeled. I will demonstrate how discrete methods can recover critical state behavior, resolve crystal migration, the onset of visco-elastic behavior such as melt-present shear bands which sets the large-scale mixing volumes, some of the general morpho-dynamics that underlies purported rheological models, and transient controls on the emergence and dissipation of distinct thermodynamic states. As simulations with 106 - 107 crystals are now possible both the local, micro-scale crystal processes as well as the larger scale processes controlled by particle-particle-fluid interactions, can be simultaneously resolved.

  20. U and Sr Isotope Tracers of Agricultural Salinity Sources to the Lower Rio Grande River

    NASA Astrophysics Data System (ADS)

    Nyachoti, S. K.; Ma, L.; Szynkiewicz, A.; Jin, L.; McIntosh, J. C.

    2014-12-01

    Elevated salinity of the lower Rio Grande River deteriorates water quality and limits domestic and agricultural water use. Both natural and anthropogenic processes contribute salts in the Rio Grande. Previous studies have focused on natural salt contributions with less emphasis on anthropogenic sources of salinity in the Rio Grande. Using (234U/238U) activity ratios (UAR), 87Sr/86Sr isotope ratios, and major element concentrations, we aim to trace and quantify the salt loads in the Lower Rio Grande watershed which is greatly impacted by agricultural activities. Between 2009 and 2010, we sampled the Rio Grande stretch and irrigation return flows between the Elephant Butte Reservoir, New Mexico and El Paso, Texas. Furthermore, we monitored in monthly intervals the temporal changes of chemical and isotopic compositions of the Rio Grande at Canutillo, Tx. Our results show higher U and Sr fluxes in the Rio Grande during the irrigation season as compared to the non-irrigation season. The UAR (1.62 to 2.13) and 87Sr/86Sr ratios (0.7099 to 0.7138) were higher in the non-irrigation season compared to the irrigation season (UAR: 1.69 to 1.77; 87Sr/86Sr: 0.7100 to 0.7106). These variations of UAR and 87Sr/86Sr ratios imply multiple sources of U and Sr in the Rio Grande. In contrast, the agricultural return flows show a narrow range of UAR (1.31 to 1.37) and 87Sr/86Sr ratios (0.7091 to 0.7099) in the studied seasons. This is consistent with salinity contributions from agricultural sources. Rio Grande at Canutillo shows low UAR (1.62 to 1.77) and 87Sr/86Sr ratios (0.7104 to 0.7105) during the irrigation season as compared to the non-irrigation season (UAR: 2.04 to 2.24; 87Sr/86Sr: 0.7105 to 0.7109). The low U and Sr signature at Canutillo during the irrigation season is close to that of the agricultural return flows, indicative of agricultural salinity sources. These results provide useful elemental and isotopic constraints for future mass balance calculations of salinity inputs in the Rio Grande River.

  1. Islam and birth planning: an interview with the Grand Mufti of Egypt.

    PubMed

    Dardir, A M; Ahmed, W

    1981-01-01

    In this interview, Shaikh Jad-al-Hag, the Grand Mufti of Egypt, discusses contraception and abortion in the context of Islamic Law. The Grand Mufti, who is the final authority on al controversial issues that may arise in the interpretation and application of Islamic law, was instrumental in the Egyptian Assembly's recent radical changes in the laws relating to women's rights and status. As the Grand Mufti explains, a Muslim must resolve moral questions according to the Quran, the sayings and acts of the Prophet, and the view of the leaders of juristic schools, who are qualified to interpret the law of Islam. No Quranic text, says the Grand Mufti, forbids prevention of conception. The Prophet's sayings appear to support contraception. And while jurists do no agree on the issues of birth prevention, the eminent jurist Al Ghazali clearly gave his consent for withdrawal as a way to prevent pregnancy in order to save a woman's health and live, avoid financial hardship, or other domestic problems. By analogy, argues the Grand Mufti, modern methods of contraception are permissible, so long as they cause no harm either partner or to their future fecundity. Sterilization is not allowed if this causes a permanent loss of fertility. Coercive population laws are also not allowed. Concerning abortion, the Grand Mufti explains that jurists disagree in the view of the issue. While juristic consensus says that abortion after the first 4 months of pregnancy amounts to the taking of a life, the mother's life generally takes precedence over the child's life. Essentially, the Grand Mufti maintains that abortion at the right time and for the right reason is allowed. PMID:12339475

  2. Flood of July 27-31, 2006, on the Grand River near Painesville, Ohio

    USGS Publications Warehouse

    Ebner, Andrew D.; Sherwood, James M.; Astifan, Brian; Lombardy, Kirk

    2007-01-01

    Two separate weather systems produced storms resulting in more than 11 inches of rain in parts of Lake County, Ohio, on July 27-28, 2006. As a result of the storms and ensuing flooding caused by the weather systems, the counties of Lake, Geauga, and Ashtabula were declared Federal and State disaster areas, with damages estimated at $30 million and one fatality in Lake County. About 600 people were evacuated in Lake County. The U.S. Geological Survey streamflow-gaging station at Grand River near Painesville, Ohio (station 04212100), had a record peak stage of 19.35 feet (elevation, 614.94 feet), with a record peak streamflow of 35,000 cubic feet per second, and an estimated recurrence interval of approximately 500 years. This report describes the meteorological factors that resulted in severe flooding on the Grand River near Painesville from July 27 to July 31, 2006, and addresses the damages caused by the storms and flooding. Peak-stage, peak-streamflow, and recurrence-interval data are reported for the Grand River near Painesville. A plot of high-water marks is also presented for the Grand River in a reach that includes the City of Painesville, Painesville Township, the Village of Fairport Harbor, and the Village of Grand River.

  3. Refined lateral energy correction functions for the KASCADE-Grande experiment based on Geant4 simulations

    NASA Astrophysics Data System (ADS)

    Gherghel-Lascu, A.; Apel, W. D.; Arteaga-Velázquez, J. C.; Bekk, K.; Bertaina, M.; Blümer, J.; Bozdog, H.; Brancus, I. M.; Cantoni, E.; Chiavassa, A.; Cossavella, F.; Daumiller, K.; de Souza, V.; Di Pierro, F.; Doll, P.; Engel, R.; Engler, J.; Fuchs, B.; Fuhrmann, D.; Gils, H. J.; Glasstetter, R.; Grupen, C.; Haungs, A.; Heck, D.; Hörandel, J. R.; Huber, D.; Huege, T.; Kampert, K.-H.; Kang, D.; Klages, H. O.; Link, K.; ?uczak, P.; Mathes, H. J.; Mayer, H. J.; Milke, J.; Mitrica, B.; Morello, C.; Oehlschläger, J.; Ostapchenko, S.; Palmieri, N.; Petcu, M.; Pierog, T.; Rebel, H.; Roth, M.; Schieler, H.; Schoo, S.; Schröder, F. G.; Sima, O.; Toma, G.; Trinchero, G. C.; Ulrich, H.; Weindl, A.; Wochele, J.; Zabierowski, J.

    2015-02-01

    In previous studies of KASCADE-Grande data, a Monte Carlo simulation code based on the GEANT3 program has been developed to describe the energy deposited by EAS particles in the detector stations. In an attempt to decrease the simulation time and ensure compatibility with the geometry description in standard KASCADE-Grande analysis software, several structural elements have been neglected in the implementation of the Grande station geometry. To improve the agreement between experimental and simulated data, a more accurate simulation of the response of the KASCADE-Grande detector is necessary. A new simulation code has been developed based on the GEANT4 program, including a realistic geometry of the detector station with structural elements that have not been considered in previous studies. The new code is used to study the influence of a realistic detector geometry on the energy deposited in the Grande detector stations by particles from EAS events simulated by CORSIKA. Lateral Energy Correction Functions are determined and compared with previous results based on GEANT3.

  4. A Miocene river in northern Arizona and its implications for the Colorado River and Grand Canyon

    USGS Publications Warehouse

    Lucchitta, I.; Holm, R.F.; Lucchitta, B.K.

    2011-01-01

    The southwesterly course of the pre–late Miocene Crooked Ridge River can be traced continuously for 48 km and discontinuously for 91 km in northern Arizona. It is visible today in inverted relief. Pebbles in the river gravel came from at least as far northeast as the San Juan Mountains. The river valley was carved out of easily eroded Jurassic and Cretaceous rocks, whose debris overloaded the river with abundant detritus, possibly steepening the gradient. After the river became inactive, the regional drainage network was rearranged twice, and the Four Corners region was lowered by erosion 1–2 km. The river provides constraints on the history of the Colorado River and Grand Canyon; its continuation into lakes in Arizona or Utah is unlikely, as is integration of the Colorado River through Grand Canyon by lake spillover. The downstream course of the river was probably across the Kaibab Arch in a valley roughly coincident with the present eastern Grand Canyon.

  5. UMTRA Project water sampling and analysis plan, Grand Junction, Colorado. Revision 1, Version 6

    SciTech Connect

    NONE

    1995-09-01

    This water sampling and analysis plan describes the planned, routine ground water sampling activities at the Grand Junction US DOE Uranium Mill Tailings Remedial Action (UMTRA) Project site (GRJ-01) in Grand Junction, Colorado, and at the Cheney Disposal Site (GRJ-03) near Grand Junction. The plan identifies and justifies the sampling locations, analytical parameters, detection limits, and sampling frequencies for the routine monitoring stations at the sites. Regulatory basis is in the US EPA regulations in 40 CFR Part 192 (1994) and EPA ground water quality standards of 1995 (60 FR 2854). This plan summarizes results of past water sampling activities, details water sampling activities planned for the next 2 years, and projects sampling activities for the next 5 years.

  6. Grand Challenges in Modeling, Simulation and Analysis: Extraction and Visualization of Power Systems

    SciTech Connect

    Fernandez, Steven J [ORNL] [ORNL; Omitaomu, Olufemi A [ORNL] [ORNL

    2010-01-01

    Threats to the national electric power grid often require the coupling of real-time state data with look-ahead or forecasting models to provide timely disruption warnings. However, successful accomplishment of this capability presents a grand challenge in modeling, simulation, and analysis. Analysis of inter-area oscillatory modes may provide a new path to anticipate power system stability and address this grand challenge. An algorithm is presented for the identification and analysis of such modes from high resolution phasor measurement data that might indicate a pathway to meet this grand challenge. The process outlined includes data collection, conditioning, extraction of the primary oscillatory frequency, and determination of participating areas of the system.

  7. Addressing the Grand Challenge of atmospheric carbon dioxide: geologic sequestration vs. biological recycling

    PubMed Central

    2011-01-01

    On February 15, 2008, the National Academy of Engineering unveiled their list of 14 Grand Challenges for Engineering. Building off of tremendous advancements in the past century, these challenges were selected for their role in assuring a sustainable existence for the rapidly increasing global community. It is no accident that the first five Challenges on the list involve the development of sustainable energy sources and management of environmental resources. While the focus of this review is to address the single Grand Challenge of "develop carbon sequestration methods", is will soon be clear that several other Challenges are intrinsically tied to it through the principles of sustainability. How does the realm of biological engineering play a role in addressing these Grand Challenges? PMID:22047501

  8. Vegetation and substrate properties of aeolian dune fields in the Colorado River corridor, Grand Canyon, Arizona

    USGS Publications Warehouse

    Draut, Amy E.

    2011-01-01

    This report summarizes vegetation and substrate properties of aeolian landscapes in the Colorado River corridor through Grand Canyon, Arizona, in Grand Canyon National Park. Characterizing these parameters provides a basis from which to assess future changes in this ecosystem, including the spread of nonnative plant species. Differences are apparent between aeolian dune fields that are downwind of where modern controlled flooding deposits new sandbars (modern-fluvial-sourced dune fields) and those that have received little or no new windblown sand since river regulation began in the 1960s (relict-fluvial-sourced dune fields). The most substantial difference between modern- and relict-fluvial-sourced aeolian dune fields is the greater abundance of biologic soil crust in relict dune fields. These findings can be used with similar investigations in other geomorphic settings in Grand Canyon and elsewhere in the Colorado River corridor to evaluate the health of the Colorado River ecosystem over time.

  9. Decreased needle longevity of fertilized Douglas-fir and grand fir in the northern Rockies.

    PubMed

    Balster, Nick J.; Marshall, John D.

    2000-11-01

    Changes in nutrient availability significantly affect canopy dynamics in conifers. To elucidate these effects, we experimentally fertilized mixed conifer stands at several sites across the northern Rocky Mountains. We measured needle longevity, total branch length and foliated length along the main branch axis, and determined mean retained cohort length on mid-canopy branches of shade-intolerant Douglas-fir (Pseudotsuga menziesii var. glauca (Beissn.) Franco) and shade-tolerant grand fir (Abies grandis Lindl.). Needle longevity ranged from 6 to 8 years in Douglas-fir and from 7 to 8 years in grand fir on unfertilized plots. Fertilization significantly decreased needle longevity by 26 and 27% in Douglas-fir and grand fir, respectively. However, the foliated branch length remained unchanged following fertilization and was similar for both species, indicating a 33% increase in mean branch length per needle cohort in Douglas-fir and a 27% increase in grand fir. These data are consistent with the theory that foliated branch length and needle longevity are a result of the ecological light compensation point (ELCP), which links the inherent physiology of the leaf with the availability of resources in the leaf environment. Mid-canopy ELCP was approximately 74 and 71 cm from the branch terminus in Douglas-fir and grand fir, respectively, regardless of fertilization. We hypothesize that fertilization-enhanced needle production and annual shoot growth resulted in a higher rate of shading of older needles. The shaded needles were unable to maintain a positive carbon balance and abscised. The results demonstrate that foliated branch length of Douglas-fir and grand fir in the northern Rocky Mountains can be treated as a homeostatic response to fertilization, whereas foliar turnover is plastic. PMID:12651495

  10. [Visceral leishmaniasis in Algeria. Evolution of visceral leishmaniasis in the Grande Kabylie area (1985-1990)].

    PubMed

    Harrat, Z; Berrouane, Y; Ben Abdesslam, S; Belkaid, M; Tabet-Derraz, O

    1992-01-01

    The authors report 285 cases of visceral leishmaniasis recorded over a 6 year-period from 1985-1990 in the Wilaya of Tizi-Ouzou (Grande Kabylie). The authors report a resurgence of this disease during the last years, with a 5 human cases per 100,000 annual prevalence and a 6 per cent of rate death, the most active part of mediterranean area appears to be the region of Grand-Kabylie. A control program in the Wilaya of Tizi-Ouzou is proposed. PMID:1309141

  11. Geology of the Grand Canyon: Interpreting its rock layers and formation

    NSDL National Science Digital Library

    In this culminating activity, students will be assessed on what they have learned during the Geology unit of their Earth Science class. After conducting classroom and field studies on geology students will utilize this knowledge to interpret the rock layers and formation of the Grand Canyon. Outside of class students will read/review a website and complete a study guide to be reviewed by the teacher to assess students' learning. Following teacher review of study guides, the next class period(s) will be a discussion and questioning session(s) on the formation of the Grand Canyon.

  12. Male Rio Grande Turkey Survival and Movements in the Texas Panhandle and Southwestern Kansas

    Microsoft Academic Search

    DERRICK P. HOLDSTOCK; MARK C. WALLACE; WARREN B. BALLARD; JOHN H. BRUNJES; RICHARD S. PHILLIPS; BRIAN L. SPEARS; STEPHEN J. DEMASO; JACK D. JERNIGAN; ROGER D. APPLEGATE; PHILLIP S. GIPSON

    2006-01-01

    Abstract Wildlife managers,depend,on accurate,information,regarding,wild turkey,(Meleagris,gallopavo) survival patterns,to properly,manage,turkey populations.,Survival patterns,of male,Rio Grande,wild turkeys,(M. g. intermedia) have,not been,studied,intensively. Wildlife managers,in the Texas Panhandle, USA, and southwestern Kansas, USA, suspected that turkey populations were declining. From January 2000 through August 2002, we studied survival and movement of 107 juvenile male and 115 adult male radiomarked Rio Grande wild turkeys on 4 study

  13. The ending of an era: After more than 10 years, the Rio Grande Basin Initiative concludes 

    E-print Network

    Kalisek, Danielle

    2013-01-01

    Story by Danielle Kalisek 8 tx H2O Summer 2013 The Rio Grande near the river diversion point for the Delta Lake Irrigation District office in Edcouch, Texas. Photo by Danielle Kalisek. THE ENDING OF AN ERA After more than #31;#30; years... project members. The beginning of the era #27;e Rio Grande Basin is one of the most productive agricultural areas in the United States, and irrigated agriculture claims more than #26; percent of the basin?s water. Persistent drought in the basin...

  14. Economic Implications of Biological Control of Arundo donax in the Texas Rio Grande Basin 

    E-print Network

    Seawright, Emily; Rister, M. Edward; Lacewell, Ronald; McCorkle, Dean; Sturdivant, Allen; Goolsby, John; Yang, Chenghai; Harris, B.L.

    2009-01-01

    COLLEGE OF AGRICULTURE AND LIFE SCIENCES TR-358 2009 Economic Implications of Biological Control of Arundo donax in the Texas Rio Grande Basin By: Emily K. Seawright 1, 2 M. Edward Rister 1, 2 Ronald D. Lacewell 1... of Arundo donax in the Texas Rio Grande Basin by: Emily K. Seawright 1, 2 M. Edward Rister 1, 2 Ronald D. Lacewell 1, 2, 3 Dean A. McCorkle 1, 3 Allen W. Sturdivant 1, 3, 4 John A. Goolsby 5 Chenghai Yang 5 B.L. Harris 2, 3, 6 1 Texas A...

  15. Restoring The Azimuthal Symmetry Of Charged Particle Lateral Density In The Range Of KASCADE-Grande

    SciTech Connect

    Sima, O. [University of Bucharest, Department of Physics, 077125 Bucharest (Romania); Rebel, H.; Apel, W. D.; Bekk, K.; Bozdog, H.; Daumiller, K.; Doll, P.; Engel, R.; Engler, J.; Finger, M.; Gils, H. J.; Haungs, A.; Heck, D.; Huege, T.; Isar, P. G.; Klages, H. O.; Mathes, H. J.; Mayer, H. J.; Milke, J.; Nehls, S. [Institut fuer Kernphysik, Karlsruher Institut fuer Technologie-Campus Nord, 76021 Karlsruhe (Germany)

    2010-11-24

    KASCADE-Grande, an extension of the former KASCADE experiment, is a multi-component Extensive Air Shower (EAS) experiment located in Karlsruhe Institute of Technology (Campus North), Germany. An important observable for analyzing the EAS is the lateral density of charged particles in the intrinsic shower plane. This observable is deduced from the basic information provided by the Grande scintillators - the energy deposit - first in the observation plane, by using a Lateral Energy Correction Function (LECF), then in the intrinsic shower plane, by applying an adequate mapping procedure. In both steps azimuthal.

  16. Semi-grand canonical molecular dynamics simulation of bovine pancreatic trypsin inhibitor

    NASA Astrophysics Data System (ADS)

    Lynch, Gillian C.; Pettitt, B. Montgomery

    2000-08-01

    In the quest to understand both the structural and thermodynamic facets of biomolecular-solvent systems semi-grand canonical ensemble molecular dynamics simulations of a protein in solution are performed. In these simulations only the water molecules in the system are allowed to fluctuate; the final number of water molecules is determined by the chemical potential. An unbiased sampling technique is used for the insertion/deletion procedure of the water molecules thereby providing a benchmark grand ensemble simulation of the hydration structure of proteins. Three different chemical potential simulations were carried out offering a direct route to thermodynamic information from a molecular dynamics simulation.

  17. Union County - La Grande, Oregon geothermal district heating: feasibility assessment. Final report

    SciTech Connect

    Jenkins, H. II; Giddings, M.; Hanson, P.

    1982-09-01

    This report presents an assessment of geothermal district heating in the City of La Grande, Oregon. Eight study area districts were analyzed to determine their economic feasibility. Results from the analyses conclude that certain districts within the City of La Grande are economically feasible if certain assumptions are correct. Development of geothermal district heating for these areas would provide direct energy and dollar savings to the building owners and would also provide direct and indirect benefits to low and moderate income households within the City.

  18. Language assessment instruments: a study of language dominance tests in the Rio Grande Valley 

    E-print Network

    Hickey, Concepcion Maria

    1976-01-01

    1 AiiCUAGE ASSESSMENT ;NSTRUMENTS: A STUDY OF 1 "NGUAGE DOMINA1iCE TESTS IN THE RIO GRANDE VALLEY A Thesis by CONCEPCION MARIA HICKEY Submitted to the Graduate College of Texas ASM Llniversity in partial fulfillment of the requirement for i.... he degree of MASTER OF ARTS August 1976 Major Subject: Modern Languages LANGUAGE ASSESSMENT INSTRUMENTS: A STUDY OF LANGUAGE DOMINANCE TESTS IN THE RIO GRANDE VALLEY A Thesis by CONCEPCION MARIA HICKEY Approved as to style and content by: le...

  19. Estimated Benefits of IBWC Rio Grande Flood-Control Projects in the United States

    E-print Network

    Sturdivant, Allen W.; Lacewell, Ronald D.; Michelsen, Ari M.; Rister, M. Edward; Assadian, Naomi; Eriksson, Marian; Freeman, Roger; Jacobs, Jennifer H.; Madison, W. Tom; McGuckin, James T.; Morrison, Wendy; Robinson, John R.C.; Staats, Chris; Sheng, Zhuping; Srinivasan, R.; Villalobos, Joshua I.

    geographic extent of the river-levee and floodway-levee system, an innovative approach was developed to conduct a rapid economic assessment of an IBWC flood-control infrastructure failure along the Rio Grande. The estimate of the potential damages (or... / at American Dam El Paso, TX. above / below Rio Conchos Rio Grande City, TX. - - River Floodway - total miles of levee 130 93 15.18 102 340.18 - miles at risk of being overtopped 10 12 1.25 38 61.25 - miles subject to encroachment 60 38 1.25 64 163.25a...

  20. Grand unified theories with dimension-5 interactions: Gauge unification and intermediate scales

    SciTech Connect

    Chakrabortty, Joydeep [Harish-Chandra Research Institute, Chhatnag Road, Jhunsi, Allahabad 211 019 (India); Raychaudhuri, Amitava [Harish-Chandra Research Institute, Chhatnag Road, Jhunsi, Allahabad 211 019 (India); Department of Physics, University of Calcutta, 92 Acharya Prafulla Chandra Road, Kolkata 700 009 (India)

    2010-03-01

    Dimension-5 corrections to the gauge kinetic term of grand unified theories may capture effects of quantum gravity or string compactification. Such operators modify the usual gauge coupling unification prediction in a calculable manner. Here we examine SU(5), SO(10), and E(6) grand unified theories in the light of all such permitted operators and calculate the impact on the intermediate scales and the unification program. We show that in many cases at least one intermediate scale can be lowered to even 1-10 TeV, where a neutral Z{sup '} and possibly other states are expected.

  1. Acute toxicity of Rodeo ® herbicide to Rio Grande silvery minnow as estimated by surrogate species: Plains minnow and fathead minnow

    Microsoft Academic Search

    D. W. Beyers

    1995-01-01

    Use of Rodeo® herbicide (53.8% glyphosate, active ingredient) to control vegetation in or along irrigation canals in the Rio Grande basin in New Mexico has become a concern because of potential for populations of a federally endangered species, the Rio Grande silvery minnow (Hybognathus amarus), to be exposed. To investigate the potential for adverse effects, toxicity of Rodeo® herbicide was

  2. Demographics and Chronology of a Spawning Aggregation of Blue Sucker (Cycleptus elongatus) in the Grand River, Missouri, USA

    Microsoft Academic Search

    Jason C. Vokoun; Travis L. Guerrant; Charles F. Rabeni

    2003-01-01

    The blue sucker (Cycleptus elongatus) was sampled as individuals arrived, spawned, and departed from a spawning rime in the Grand River of northcentral Missouri, USA. The Grand River basin was not known to support blue sucker reproduction with few individuals ever recorded. The spawning site is unique in character for the lower river. Individuals began arriving in early April when

  3. Publihed in Proceedings of Engineering Human Computer Interaction, EHCI'95, Grand Targhee, USA, August 1995, Chapman&Hall Publ.

    E-print Network

    Nigay, Laurence

    Publihed in Proceedings of Engineering Human Computer Interaction, EHCI'95, Grand Targhee, USA Components Analysis #12; Publihed in Proceedings of Engineering Human Computer Interaction, EHCI'95, Grand, France email: coutaz@imag.fr Abstract Computer vision provides a powerful tool for the interaction

  4. Effects of Jackson Lake Dam on the Snake River and its floodplain, Grand Teton National Park, Wyoming, USA

    E-print Network

    Marston, Richard A.

    Effects of Jackson Lake Dam on the Snake River and its floodplain, Grand Teton National Park In 1906, the Bureau of Reclamation created Jackson Lake Dam on the Snake River in what later became Grand Teton National Park. The geomorphic, hydrologic and vegetation adjustments downstream of the dam have

  5. NSF SBE Grand Challenge White Paper: Real-World Speech Recognition Philip Rubin Real-World Speech Recognition

    E-print Network

    NSF SBE Grand Challenge White Paper: Real-World Speech Recognition Philip Rubin 1 Real-World Speech Recognition NSF SBE "Grand Challenge" White Paper by Philip Rubin, Haskins Laboratories, Sep. 24, 2010 Abstract Speech recognition would seem, to many, to be a scientific/technical problem that has

  6. In 2003 the Defense Advanced Research Projects Agency (DARPA) announced the first Grand Challenge with the goal of

    E-print Network

    In 2003 the Defense Advanced Research Projects Agency (DARPA) announced the first Grand Challenge funded research, these successes were organized as challenges with monetary prizes for achieving specific and ignite interest in science and engineering on a scale comparable to the Apollo program. Thus, the Grand

  7. Mass movements in the Rio Grande Valley (Quebrada de Humahuaca, Northwestern Argentina): a methodological approach to reduce the risk

    Microsoft Academic Search

    G. Marcato; A. Pasuto; F. R. Rivelli

    2009-01-01

    Slope processes such as slides and debris flows, are among the main events that induce effects on the Rio Grande sediment transport capacity. The slides mainly affect the slope of the Rio Grande river basin while debris and mud flows phenomena take place in the tributary valleys. In the past decades several mass movements occurred causing victims and great damages

  8. Airborne radar measurements of ocean wave spectra and wind speed during the grand banks ERS?1 SAR wave experiment

    Microsoft Academic Search

    D. Vandemark; F. C. Jackson; E. J. Walsh; B. Chapron

    1994-01-01

    Measurements of ocean directional wave spectra, significant wave height, and wind speed over the Grand Banks of Newfoundland were made using the combined capabilities of the radar ocean wave spectrometer (ROWS) and scanning radar altimeter (SRA). The instruments were flown aboard the NASA P?3A aircraft in support of the Grand Banks ERS?1 Synthetic Aperture Radar (SAR) Wave Experiment. The NASA

  9. 3 CFR 8946 - Proclamation 8946 of March 25, 2013. Establishment of the Río Grande del Norte National Monument

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ...Tribes, and hosts a dazzling array of rock art. Carved into the boulders and...illuminate northern New Mexico's human history. Separated from the Río Grande Wild...Mexico and the 70 million year tectonic history of the Río Grande Rift, one of...

  10. TEORA DE LOS GRANDES ESPACIOS DEMOCRACIA COSMOPOLITA: NOTAS BREVES SOBRE LAS TEORAS DEL ORDENAMIENTO ESPACIAL CONTEMPORNEO DESDE UNA

    E-print Network

    Paris-Sud XI, Université de

    TEORÍA DE LOS GRANDES ESPACIOS � DEMOCRACIA COSMOPOLITA: NOTAS BREVES SOBRE LAS TEORÍAS DEL Cosmopolita y La teoría de los Grandes Espacios. El objetivo último del artículo consiste en ofrecen un modelo hacia el espacio latinoamericano. Palabras Clave: Democracia Cosmopolitita, Teoría del gran espacio

  11. GLORIA Field Botanist Positions in Yellowstone and Grand Teton National Title: GLORIA Botany Field Technicians --Temporary Research Associate I

    E-print Network

    GLORIA Field Botanist Positions in Yellowstone and Grand Teton National Parks Title: GLORIA Botany Research Initiative in Alpine Environments) monitoring project at Yellowstone and Grand Teton National on alpine biodiversity. Our primary objective is to establish and sample GLORIA plots in Yellowstone

  12. Remise du Grand Prix 2010 de la Fondation de la Maison de la Chimie

    E-print Network

    van Tiggelen, Bart

    Remise du Grand Prix 2010 de la Fondation de la Maison de la Chimie Vendredi 13 mai 2011 de 14 h 00 chimie : deux partenaires indissociables" 15 h 45 Pause Café 16 h 00 Remise du Prix au Professeur Gérard du Prix au Professeur Jean-Marie FRECHET 17 h 00 Conclusion par le Professeur Jean-Marie LEHN, Prix

  13. SITUATIONAL PREVENTION OF PUBLIC DISORDER AT THE AUSTRALIAN MOTORCYCLE GRAND PRIX

    Microsoft Academic Search

    Arthur Veno

    Situational analysis of chronic violence occurring between police and spectators at the Australian Motorcycle Grand Prix led to formulation of hypotheses about the causes of the violence. These hypotheses proposed a relationship between the violence and: (1) police tactics, (2) spectator and police frustration, (3) facilities at the event and its organization, and (4) media sensationalism. Working with the Victoria

  14. Mapping giant reed along the Rio Grande using airborne and satellite imagery

    Technology Transfer Automated Retrieval System (TEKTRAN)

    Giant reed (Arundo donax L.) is a perennial invasive weed that presents a severe threat to agroecosystems and riparian areas in the Texas and Mexican portions of the Rio Grande Basin. The objective of this presentation is to give an overview on the use of aerial photography, airborne multispectral a...

  15. Inegalites d'oracle exactes pour la prediction d'une matrice en grande dimension

    E-print Network

    Paris-Sud XI, Université de

    In´egalit´es d'oracle exactes pour la pr´ediction d'une matrice en grande dimension St´ephane Ga propose sharp oracle inequalities for these algorithms in the noisy case, using a statistical learning travail, nous proposons des in´egalit´es d'oracle "exactes" pour ces algorithmes. References [1] Francis R

  16. Presença de Turfa na Plataforma Continental do Rio Grande do Sul

    Microsoft Academic Search

    L. R. Martins; I. R. Martins

    A sedimentary sequence formed by high content of organic matter and peat bed was identified through geological cores obtained from the 60 meters isobath of the Rio Grande do Sul continental shelf. Its origin is ascribed to the development of marshes similar to those actually found at the backshore and interdune area of the adjacent coastal plain. The peat bed

  17. Survival and mammalian predation of Rio Grande Turkeys on the Edwards Plateau, Texas. 

    E-print Network

    Willsey, Beau Judson

    2004-09-30

    Trends in Rio Grande wild turkey (Meleagris gallopavo intermedia) abundance on the Edwards Plateau (EP), Texas, have been either stable or in decline since the 1970s. Four study areas, 2 each within stable (Stable Area A, SAA; Stable Area B, SAB...

  18. Hydrogeological characterization of a bank filtration experiment site at the Rio Grande, El Paso, Texas, USA

    Microsoft Academic Search

    R. Langford; D. Schulze-Makuch; S. Pillai; A. Abdel-Fattah; K. Widmer

    2003-01-01

    An experiment site was constructed along an artificial channel of the Rio Grande in El Paso, Texas. The experiment was funded by the EPA and is designed to measure the effectiveness of bank filtration in an arid environment. Regionally, the experiment is important because of the hundreds of thousands of people drinking water from shallow wells drilled in close proximity

  19. The Image Grand Tour for Exploring Medical Images Jurgen Symanzik1

    E-print Network

    Symanzik, Jürgen

    The Image Grand Tour for Exploring Medical Images J¨urgen Symanzik1 , Bradley Wallet2 , William application of the IGT in this paper are medical images such as multiple slices obtained from magnetic reso of Medicine, Department of Medicine and Division of Biostatistics, St. Louis, MO 631103 Abstract The image

  20. Sediment transport in the Rio Grande, an Andean river of the Bolivian Amazon drainage basin

    Microsoft Academic Search

    JEAN LOUP GUYOT; JACQUES BOURGES; JOSE CORTEZ

    1994-01-01

    The Rio Grande is one of the main Andean tributaries of the Rio Mamore, a tributary of the Rio Madeira which is the main southern affluent of the Amazon. The use of historical (1969-1990) and unpublish­ ed data on sediment transport from 15 Andean gauging stations, made it possible to assess the very strong temporal variability of river sediment-transport. Most