Publications - RI 97-14B | Alaska Division of Geological & Geophysical

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Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Geologic Hazards in , State of; Alluvial Deposits; Avalanche; Cambrian; Carboniferous; Cenozoic; Coastal and River; Coastal

Publications - RI 97-15D | Alaska Division of Geological & Geophysical

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Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Geologic Hazards in Coastal and River; Coastal and River Hazards; Construction Materials; Derivative; Engineering; Engineering

Publications - RI 2016-2 | Alaska Division of Geological & Geophysical

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Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Geologic Hazards in ; Bathymetry; Coastal; Coastal and River; Earthquake Related Slope Failure; Emergency Preparedness; Engineering

Publications - RI 97-15E | Alaska Division of Geological & Geophysical

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Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Geologic Hazards in Metadata - Read me Keywords Avalanche; Coastal and River; Coastal and River Hazards; Derivative; Earthquake

Publications - PDF 98-37D | Alaska Division of Geological & Geophysical

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Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Geologic Hazards in - Read me Keywords Coastal and River; Coastal and River Hazards; Construction Materials; Decorative Stone

Publications - RDF 2015-2 | Alaska Division of Geological & Geophysical

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Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Geologic Hazards in -bay Shapefile 24.5 M Metadata - Read me Keywords Bathymetry; Bering Sea; Chukchi Sea; Coastal; Gambell

Presentations - Smith, J.R. and others, 2013 | Alaska Division of

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Engineering Geology Alaska Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to (1.4 M) Keywords Coastal; Coastal and River; Engineering Geology Posters and Presentations; Seward

78 FR 48302 - Establishment of Class E Airspace; Wagner, SD

Federal Register 2010, 2011, 2012, 2013, 2014

2013-08-08

...-0004; Airspace Docket No. 13-AGL-1] Establishment of Class E Airspace; Wagner, SD AGENCY: Federal... at Wagner, SD. Controlled airspace is necessary to accommodate new Area Navigation (RNAV) Standard... Federal Register a notice of proposed rulemaking (NPRM) to establish Class E airspace for the Wagner, SD...

Progress on observation of cryospheric components and climate-related studies in China

NASA Astrophysics Data System (ADS)

Xiao, Cunde; Qin, Dahe; Yao, Tandong; Ding, Yongjian; Liu, Shiyin; Zhao, Lin; Liu, Yujie

2008-03-01

Systematic studies on the cryosphere in China started in the late 1950s. Significant achievements have been made by continuous investigation of glacier inventories, frozen ground observations, paleo-climate analyses of ice cores, process studies and the modeling of cryopsheric/atmospheric interactions. The general facts and understanding of these changes include: (1) Solid precipitation, including the number of days with frost and hail storms, shows a decreasing tendency over the past half century. (2) In most areas glaciers are retreating or have completely vanished (>80%), some glaciers are still advancing (5%-20% depending upon time period). The annual glacial melt water has been increasing since the 1980s. This increased supply of melt water to river runoff in Northwest China is about a 10%-13%. (3) The long-term variability of snow cover in western China is characterized by a large inter-annual variation superimposed on a small increasing trend. Snow cover variability in the Qinghai-Xizang Plateau (QXP) is influenced by the Indian monsoon, and conversely impacts monsoon onset and strength and eventually the drought and flood events in middle-low reaches of Yangtze River. (4) Frozen ground, including permafrost, is decaying both in QXP and in Northeast China. The most significant changes occurred in the regions with thickest seasonal frozen ground (SFG), i.e., inland QXP, then northeastern and northwestern QXP. The cold season air temperature is the main factor controlling SFG change. The increase of ground surface temperatures is more significant than air temperature. (5) The sea ice coverage over the Bohai Sea and Yellow Sea has deceased since the 1980s. (6) River ice duration and ice thickness is also decreasing in northern China. In 2001, the Chinese National Committee of World Climate Research Program/Climate and Cyosphere (WCRP/CliC) (CNC-CliC) was organized to strengthen research on climate and cryosphere in China. Future monitoring of the cryosphere in China will be enhanced both in spatial coverage and through the use of new techniques. Interactions between atmosphere/cryosphere/ hydrosphere/land-surface will be assessed to improve our understanding of the mechanisms of cryospheric change.

Variability and Change in the Canadian Cryosphere: A Canadian Science Contribution to International Polar Year

NASA Astrophysics Data System (ADS)

Walker, A. E.; Derksen, C.

2008-12-01

The cryosphere (snow, permafrost and seasonally frozen ground, ice caps and glaciers, sea-, river-, and lake ice) represents a significant feature of the Canadian landscape that impacts climate, hydrology, the economy and the daily lives of all Canadians, especially those living in northern communities. Over the past few decades significant changes have been observed in cryospheric elements (e.g. decreases in snow cover, glacier extent, sea ice cover) that have been attributed to a warming climate. This poster presentation will highlight initial scientific results from the approved Canadian International Polar Year project "Variability and Change in the Canadian Cryosphere" that is being led by Environment Canada and involves 33 co- investigators from government, academia and the private sector and links with international collaborators. This project builds on Canadian strengths in remote sensing, climate analysis and modeling with the overall objective to observe and understand the current state of the cryosphere in Canada and determine how fast it is changing and why. Research activities are focused on: (1) developing new satellite-based capabilities to provide information on the current state of the Canadian cryosphere during the IPY period; (2) placing current cryospheric conditions in the context of the historical record to document the magnitude of changes over the 50 years since the last International Polar Year (IGY 1957-1958); (3) characterizing and explaining the observed variability and changes in the context of the coupled climate cryosphere system; and (4) improving the representation of the cryosphere in Canadian land surface and climate models to provide current and future climate simulations of the cryosphere for climate impact studies. The project also includes several outreach activities to engage northern communities in cryospheric monitoring and incorporate traditional knowledge with remotely-sensed information to generate new maps on local river ice and sea ice conditions to assist residents in planning safe navigation routes.

Publications - RDF 2014-20 | Alaska Division of Geological & Geophysical

Science.gov Websites

Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Geologic Hazards in Download golovin-lidar-las-index Shapefile 71.0 K Metadata - Read me Keywords Coastal; Coastal and River

Publications - MP 133 v. 2 | Alaska Division of Geological & Geophysical

Science.gov Websites

Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Geologic Hazards in Maps; Alaska, State of; Aleutian Arc; Aleutian Islands; Coastal and River; Coastal and River Hazards

Publications - PIR 2001-3D | Alaska Division of Geological & Geophysical

Science.gov Websites

Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Geologic Hazards in Shapefile 1.4 M Metadata - Read me Keywords Coastal and River; Coastal and River Hazards; Construction

Publications - RI 2000-1D | Alaska Division of Geological & Geophysical

Science.gov Websites

Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Geologic Hazards in - Read me Keywords Arctic National Wildlife Refuge; Aufeis; Brooks Range; Coastal and River; Coastal and

The History of Winter: teachers as scientists

NASA Astrophysics Data System (ADS)

Koenig, L.; Courville, Z.; Wasilewski, P. J.; Gow, T.; Bender, K. J.

2013-12-01

The History of Winter (HOW) is a NASA Goddard Space Flight Center-funded teacher enrichment program that was started by Dr. Peter Wasilewski (NASA), Dr. Robert Gabrys (NASA) and Dr. Tony Gow (Cold Regions Research and Engineering Laboratory, or CRREL) in 2001 and continues with support and involvement of scientists from both the NASA Cryospheric Sciences Laboratory and CREEL. The program brings educators mostly from middle and high schools but also from state parks, community colleges and other institutions from across the US to the Northwood School (a small, private boarding school) in Lake Placid, NY for one week to learn about several facets of winter, polar, and snow research, including the science and history of polar ice core research, lake ice formation and structure, snow pack science, winter ecology, and remote sensing including current and future NASA cryospheric missions. The program receives support from the Northwood School staff to facilitate the program. The goal of the program is to create 'teachers as scientists' which is achieved through several hands-on field experiences in which the teachers have the opportunity to work with polar researchers from NASA, CRREL and partner Universities to dig and sample snow pits, make ice thin sections from lake ice, make snow shelters, and observe under-ice lake ecology. The hands-on work allows the teachers to use the same tools and techniques used in polar research while simultaneously introducing science concepts and activities to support their classroom work. The ultimate goal of the program is to provide the classroom teachers with the opportunity to learn about current and timely cryospheric research as well as to engage in real fieldwork experiences. The enthusiasm generated during the week-long program is translated into classroom activities with guidance from scientists, teachers and educational professionals. The opportunity to engage with polar researchers, both young investigators and renowned veterans in the field, is a unique experience for many of the teachers. Here we present lessons learned throughout the lifetime of the program, including successes and improvements made, and present our vision for the future of HOW.

Evaluating climatic response to external radiative forcing during the late Miocene to early Pliocene: New perspectives from eastern equatorial Pacific (IODP U1338) and North Atlantic (ODP 982) locations

NASA Astrophysics Data System (ADS)

Drury, Anna Joy; John, Cédric M.; Shevenell, Amelia E.

2016-01-01

Orbital-scale climate variability during the latest Miocene-early Pliocene is poorly understood due to a lack of high-resolution records spanning 8.0-3.5 Ma, which resolve all orbital cycles. Assessing this variability improves understanding of how Earth's system sensitivity to insolation evolves and provides insight into the factors driving the Messinian Salinity Crisis (MSC) and the Late Miocene Carbon Isotope Shift (LMCIS). New high-resolution benthic foraminiferal Cibicidoides mundulus δ18O and δ13C records from equatorial Pacific International Ocean Drilling Program Site U1338 are correlated to North Atlantic Ocean Drilling Program Site 982 to obtain a global perspective. Four long-term benthic δ18O variations are identified: the Tortonian-Messinian, Miocene-Pliocene, and Early-Pliocene Oxygen Isotope Lows (8-7, 5.9-4.9, and 4.8-3.5 Ma) and the Messinian Oxygen Isotope High (MOH; 7-5.9 Ma). Obliquity-paced variability dominates throughout, except during the MOH. Eleven new orbital-scale isotopic stages are identified between 7.4 and 7.1 Ma. Cryosphere and carbon cycle sensitivities, estimated from δ18O and δ13C variability, suggest a weak cryosphere-carbon cycle coupling. The MSC termination coincided with moderate cryosphere sensitivity and reduced global ice sheets. The LMCIS coincided with reduced carbon cycle sensitivity, suggesting a driving force independent of insolation changes. The response of the cryosphere and carbon cycle to obliquity forcing is established, defined as Earth System Response (ESR). Observations reveal that two late Miocene-early Pliocene climate states existed. The first is a prevailing dynamic state with moderate ESR and obliquity-driven Antarctic ice variations, associated with reduced global ice volumes. The second is a stable state, which occurred during the MOH, with reduced ESR and lower obliquity-driven variability, associated with expanded global ice volumes.

Transitioning Students out of College: The Senior LC in Psychology at Wagner College

ERIC Educational Resources Information Center

Nolan, Laurence J.; Jenkins, Steve M.

2012-01-01

At Wagner College, students are required to participate in a series of three curriculum-based learning communities (C-BLCs) as the core of the undergraduate curriculum known as the Wagner Plan for the Practical Liberal Arts. This article describes the senior learning community (LC) in psychology at Wagner College, which is an example of a…

Diabetic Foot Syndrome and Corneal Subbasal Nerve Plexus Changes in Congolese Patients with Type 2 Diabetes

PubMed Central

Schober, Hans-Christof; Stachs, Oliver; Baltrusch, Simone; Bambi, Marie Therese; Kilangalanga, Janvier; Winter, Karsten; Kundt, Guenther; Guthoff, Rudolf F.

2015-01-01

Background To study the severity of diabetic neuropathy, diabetic retinopathy and grades of diabetic foot syndrome for correlations with corneal subbasal nerve plexus (SBP) changes in Congolese patients with type 2 diabetes. Methodology/Principal Findings Twenty-eight type 2 diabetes patients with diabetes-related foot ulceration were recruited in a diabetic care unit in Kinshasa, Democratic Republic of Congo. Corneal SBP was investigated by confocal laser-scanning microscopy to analyse nerve fibre density (NFD) [µm/ µm²], number of branches [n] and number of connectivity points [n]. Foot ulceration was graded using the Wagner ulcer classification. Corneal sensitivity (Cochet-Bonnet), Neuropathy Symptom Score (NSS), Neuropathy Disability Score (NDS), ankle-brachial index (ABI) and ophthalmological status were evaluated. Foot ulceration was ranked as mild (Wagner 0-1: 13 patients/46.4%), moderate (Wagner 2-3: 10 patients/35.7%) and severe (Wagner 4-5: 5 patients/17.9%). The correlation between Wagner Score and NFD (p=0.017, r = - 0,454), NDS and NFD (p=0,039, r = - 0.400) as well as Wagner Score and HbA1c (p=0,007, r = - 0.477) was stated. Significant differences in confocal SBP parameters were observed between Wagner 0-1 and Wagner 4 5 (number of branches (p=0.012), number of connectivity points (p=0.001), nerve fibre density (p=0.033)) and ABI (p=0.030), and between Wagner 2-3 and Wagner 4-5 (number of branches (p=0.003), number of connectivity points (p=0.005) and nerve fibre density (p=0.014)). Differences in NDS (p=0.001) and corneal sensation (p=0.032) were significant between Wagner 0-1 and Wagner 2-3. Patients with diabetic retinopathy had significantly longer diabetes duration (p=0.03) and higher NDS (p=0.01), but showed no differences in SBP morphology or corneal sensation. Conclusions/Significance While confirming the diabetic aetiology of foot ulceration due to medial arterial calcification, this study indicates that the grade of diabetic foot syndrome correlates with corneal SBP changes and corneal sensation in patients in sub-Saharan Africa. PMID:25811186

Evidence for stabilization of the ice-cemented cryosphere in earlier martian history: Implications for the current abundance of groundwater at depth on Mars

NASA Astrophysics Data System (ADS)

Weiss, David K.; Head, James W.

2017-05-01

The present-day martian mean annual surface temperature is well below freezing at all latitudes; this produces a near-surface portion of the crust that is below the freezing point of water for > 2 consecutive years (defined as permafrost). This permafrost layer (i.e., the cryosphere) is a few to tens of km thick depending on latitude. Below the base of the permafrost (i.e., the cryosphere), groundwater is stable if it exists, and can increase and decrease in abundance as the freezing isotherm rises and falls. Where water is available, ice fills the pore space within the cryosphere; this region is known as the ice-cemented cryosphere (ICC). The potential for a large reservoir of pore ice beneath the surface has been the subject of much discussion: previous studies have demonstrated that the theoretical thickness of the martian cryosphere in the Amazonian period ranges from up to ∼9 km at the equator to ∼10-22 km at the poles. The total thickness of ice that might fill the pore space within the cryosphere (the ICC), however, remains unknown. A class of martian crater, the Hesperian-Amazonian-aged single-layered ejecta crater, is widely accepted as having formed by impact into an ice-cemented target. Although the target structure related to the larger multiple-layered ejecta craters remains uncertain, they have recently been interpreted to be formed by impact crater excavation below the ice-cemented target, and here we tentatively adopt this interpretation in order to infer the thickness of the ice-cemented cryosphere. Our global examination of the excavation depths of these crater populations points to a Hesperian-Amazonian-aged ice-cemented cryosphere that is ∼1.3 km thick at the equator, and ∼2.3 km thick at the poles (corresponding to a global equivalent water layer of ∼200 m assuming ∼20% pore ice at the surface). To explore the implications of this result on the martian climatic and hydrologic evolution, we then assess the surface temperature, atmospheric pressure, obliquity, and surface heat flux conditions under which the downward-propagating cryosphere freezing front matches the inferred ice-cemented cryosphere. The thermal models which can best reproduce the inferred ice-cemented cryosphere occur for obliquities between 25° and 45° and CO2 atmospheric pressures ≤600 mbar, but require increased heat fluxes and surface temperatures/pressures relative to the Amazonian period. Because the inferred ice-cemented cryosphere is much thinner compared with Amazonian-aged cryosphere thermal models, we suggest that the ice-cemented cryosphere ceased growing when it exhausted the underlying groundwater supply (i.e., ICC stabilization) in a more ancient period in Mars geologic history. Our thermal analysis suggests that this ICC stabilization likely occurred sometime before or at ∼3.0-3.3 Ga (during or before the Late Hesperian or Early Amazonian period). If groundwater remained below the ICC during the earlier Late Noachian period, our models predict that mean annual surface temperatures during this time were ≥212-227 K. If the Late Noachian had a pure CO2 atmosphere, this places a minimum bound on the Late Noachian atmospheric pressure of ≥390-850 mbar. These models suggest that deep groundwater is not abundant or does not persist in the subsurface of Mars today, and that diffusive loss of ice from the subsurface has been minimal.

20 CFR 661.240 - How do the unified planning requirements apply to the five-year strategic WIA and Wagner-Peyser...

Code of Federal Regulations, 2010 CFR

2010-04-01

...) [Reserved] (6) Senior Community Service Employment Programs under title V of the Older Americans Act. (b... meeting the requirements of the Interagency guidance entitled State Unified Plan, Planning Guidance for...

Links - Helpful Tools | Alaska Division of Geological & Geophysical Surveys

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Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Geologic Hazards in Systems Alaska Tidal Datum Portal For Alaska's coastal communities, an understanding and awareness of local tidal datums is critical to assessing vulnerability and planning responses to coastal geohazards

Staff - Jacquelyn R. Overbeck | Alaska Division of Geological & Geophysical

Science.gov Websites

Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Geologic Hazards in main content Jacquelyn R. Overbeck Jacquelyn R. Overbeck Geomorphology, coastal hazards, remote sensing University, Environmental Science Projects and/or Research Interests As the project manager for the Coastal

Alaska Tidal Datum Portal | Alaska Division of Geological & Geophysical

Science.gov Websites

Engineering Geology Alaska Tidal Datum Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Portal Unambiguous vertical datums in the coastal environment are critical to the evaluation of natural human life, property, and the coastal environment. January 2017 - Update Summary Alaska Tidal Datum

Publications - DDS 7 | Alaska Division of Geological & Geophysical Surveys

Science.gov Websites

Portal Climate and Cryosphere Hazards Coastal Hazards Program Guide to Geologic Hazards in Alaska DGGS DDS 7 Publication Details Title: Alaska Coastal Profile Tool (ACPT) Authors: DGGS Staff ): Alaska Statewide Bibliographic Reference DGGS Staff, 2014, Alaska Coastal Profile Tool (ACPT): Alaska

The carbon budget of the northern cryosphere region

Treesearch

A. David McGuire; Robie W. Macdonald; Edward A.G. Schuur; Jennifer W. Harden; Peter Kuhry; Daniel J. Hayes; Torben R. Christensen; Martin Heimann

2010-01-01

The northem cryosphere is undergoing substantial warming of permafrost and loss of sea ice. Release of stored carbon to the atmosphere in response to this change has the potential to affect the global climate system. Studies indicate that the northern cryosphere has been not only a substantial sink for atmospheric CO2 in recent decades, but also...

Pre-"peak water" time in the southwest Yukon: when cryospheric changes trigger hydrological regime shifts

NASA Astrophysics Data System (ADS)

Baraer, M.; Chesnokova, A.; Huh, K. I.; Laperriere-Robillard, T.

2017-12-01

Saint-Elias Mountains host numerous cryospheric systems such as glaciers, seasonal and perennial snow cover, permafrost, aufeis, and different forms of buried ice. Those systems are very sensitive to climate changes and exhibit ongoing reduction in extent and/or changes in formation/ablation times. Because they highly influence the hydrological regimes of rivers, cryospheric changes raise concerns about consequences for regional water resources and ecosystems. The present study combines historical data analysis and hydrological modeling in order to estimate how cryospheric changes impact hydrological regimes at eight watersheds of different glacier cover (0- 30%) in the southwest Yukon. Methods combine traditional hydrograph analysis techniques and more advance techniques such as Fast Fourier Transform filters used to isolate significant trends in discharge properties from noise or climatic oscillations. Measured trends in discharge variables are connected to cryospheric changes by using a water balance / peak water model (Baraer et al., 2012), here adapted to the main cryospheric systems that characterize the southwest Yukon.Results show three distinct hydrological regimes for (1) non glacierized, (2) glacierized, and (3) major lakes hosting catchments. The studied glacierized catchments have not passed the "peak water" yet and still exhibit increases in yearly and late summer discharges and a decrease in runoff variability. All watersheds show an increase in winter discharge and a snowmelt-driven shift of yearly peak discharge toward earlier in the season. The study suggests that, in a couple of decades, water resources and dependent ecosystems will face the combined effects of (A) a shift in the contribution trend from declining perennial cryospheric systems and (B) continuing alteration of the contribution from the seasonal cryospheric systems.

Structure of the Wagner Basin in the Northern Gulf of California From Interpretation of Seismic Reflexion Data

NASA Astrophysics Data System (ADS)

Gonzalez, M.; Aguilar, C.; Martin, A.

2007-05-01

The northern Gulf of California straddles the transition in the style of deformation along the Pacific-North America plate boundary, from distributed deformation in the Upper Delfin and Wagner basins to localized dextral shear along the Cerro Prieto transform fault. Processing and interpretation of industry seismic data adquired by Petroleos Mexicanos (PEMEX) allow us to map the main fault structures and depocenters in the Wagner basin and to unravel the way strain is transferred northward into the Cerro Prieto fault system. Seismic data records from 0.5 to 5 TWTT. Data stacking and time-migration were performed using semblance coefficient method. Subsidence in the Wagner basin is controlled by two large N-S trending sub-parallel faults that intersect the NNW-trending Cerro Prieto transform fault. The Wagner fault bounds the eastern margin of the basin for more than 75 km. This fault dips ~50° to the west (up to 2 seconds) with distinctive reflectors displaced more than 1 km across the fault zone. The strata define a fanning pattern towards the Wagner fault. Northward the Wagner fault intersects the Cerro Prieto fault at 130° on map view and one depocenter of the Wagner basin bends to the NW adjacent to the Cerro Prieto fault zone. The eastern boundary of the modern depocenter is the Consag fault, which extends over 100 km in a N-S direction with an average dip of ~50° (up to 2s) to the east. The northern segment of the Consag fault bends 25° and intersects the Cerro Prieto fault zone at an angle of 110° on map view. The acoustic basement was not imaged in the northwest, but the stratigraphic succession increases its thickness towards the depocenter of the Wagner basin. Another important structure is El Chinero fault, which runs parallel to the Consag fault along 60 km and possibly intersects the Cerro Prieto fault to the north beneath the delta of the Colorado River. El Chinero fault dips at low-angle (~30°) to the east and has a vertical offset of about 0.5 seconds (TWTT). Seismic imaging indicates that the Wagner and Consag faults transfer most of their slip to the Cerro Prieto fault. Moreover, the 130° intersection between the Wagner and Cerro Prieto faults suggests that the Wagner fault has a significant strike-slip component. Our results indicate that most of the strain in this plate boundary is transferred along two main sub-parallel oblique faults in a narrow zone 35 km-wide.

2009 Human Factors and Roadway Safety Workshop : National Perspectives on Safety [SD .WMV (720x480/29fps/227.0 MB)

DOT National Transportation Integrated Search

2009-11-05

Iowa Department of Transportation Research and Technology Bureau video presentation from the 2009 human factors and roadway safety workshop session titled: National Perspectives on Safety : Essie Wagner, program analyst, National Highway Traffic Safe...

Unemployment Insurance. Maintaining the Foundation of Economic Security.

ERIC Educational Resources Information Center

Perspective: Essays and Reviews of Issues in Employment Security and Employment and Training Programs, 1985

1985-01-01

This issue of an annual journal contains 18 essays on unemployment insurance (UI) and employment and training programs. Part 1, "Historical Perspective," contains the following papers: "Reflections on Wisconsin and Unemployment Insurance" (Wilbur J. Cohen); "Outstanding Ideas Form UI's Foundation" (Richard Wagner); "One State's Experience: 1939"…

Dollar Summary of Prime Contract Awards with Principal Place of Performance Outside the U.S. by Country and Contractor, FY83.

DTIC Science & Technology

1983-01-01

GERMANY 55 55 KOHLEN GRUB GERMANY 9,706 9,706 KOLLER WOLFGANG GERMANY 28 28 KOLLSMANN 0MBN SYSTEM TECHN IK GERMANY 37 37 KONTRO#4 ELEKTRONI C GMBH... KRAUSE GERMANY 56 56 WAGNER GLAS UND GEBAEUDEREINIGUNG GERMANY 374 374 WAGNER GMSM GERMANY 138 136 WAGNER H GERMANY 570 570 WAGNER H a S GARTEN... WOLFGANG PRAYON GERMANY 34 34 WOLLERSHE I M ALFRED GERMANY 47 47 WORMSER AUIOBUSSETRI ED GERMANY 178 178 WUERSCHINGER HANS GERMANY 73 73 WUEST BAU

Seismic reflection-based evidence of a transfer zone between the Wagner and Consag basins: implications for defining the structural geometry of the northern Gulf of California

NASA Astrophysics Data System (ADS)

González-Escobar, Mario; Suárez-Vidal, Francisco; Hernández-Pérez, José Antonio; Martín-Barajas, Arturo

2010-12-01

This study examines the structural characteristics of the northern Gulf of California by processing and interpreting ca. 415 km of two-dimensional multi-channel seismic reflection lines (data property of Petróleos Mexicanos PEMEX) collected in the vicinity of the border between the Wagner and Consag basins. The two basins appear to be a link between the Delfín Superior Basin to the south, and the Cerro Prieto Basin to the north in the Mexicali-Imperial Valley along the Pacific-North America plate boundary. The seismic data are consistent with existing knowledge of four main structures (master faults) in the region, i.e., the Percebo, Santa María, Consag Sur, and Wagner Sur faults. The Wagner and Consag basins are delimited to the east by the Wagner Sur Fault, and to the west by the Consag Sur Fault. The Percebo Fault borders the western margin of the modern Wagner Basin depocenter, and is oriented N10°W, dipping (on average) ˜40° to the northeast. The trace of the Santa María Fault located in the Wagner Basin strikes N19°W, dipping ˜40° to the west. The Consag Sur Fault is oriented N14°W, and dips ˜42° to the east over a distance of 21 km. To the east of the study area, the Wagner Sur Fault almost parallels the Consag Sur Fault over a distance of ˜86 km, and is oriented N10°W with an average dip of 59° to the east. Moreover, the data provide new evidence that the Wagner Fault is discontinuous between the two basins, and that its structure is more complex than previously reported. A structural high separates the northern Consag Basin from the southern Wagner Basin, comprising several secondary faults oriented NE oblique to the main faults of N-S direction. These could represent a zone of accommodation, or transfer zone, where extension could be transferred from the Wagner to the Consag Basin, or vice versa. This area shows no acoustic basement and/or intrusive body, which is consistent with existing gravimetric and magnetic data for the region.

Seismic rate changes associated with seasonal, annual, and decadal changes in the cryosphere

NASA Astrophysics Data System (ADS)

Sauber, J. M.; Luthcke, S. B.; Hall, D. K.

2012-12-01

Near the Bering Glacier Global Fiducial Program (GFP) in southern Alaska large cryospheric fluctuations occur in a region of upper crustal faulting and folding associated with collision and accretion of the Yakutat terrane. In this study we report constraints on seasonal, annual and decadal cryospheric changes estimated over the last decade from field, aircraft and satellite measurements and we evaluate the influence of cryospheric changes on the background seismic rate. Multi-year images from the Bering Glacier GFP are available since mid-2003 to constrain changes in extent of the Bering Glacier and to discern feature changes in the glacial surface. Starting around the same time, satellite gravimetric measurements from the Gravity Recovery and Climate experiment (GRACE) commenced. Large spatial-scale mass change calculated from the GRACE mascon solution of Luthcke et al. [2012] indicate a general trend of annual ice mass loss for southern Alaska but with large, variable seasonal mass fluctuations. Since 2007 the station position of a continuous GPS site near Cape Yakataga (Alaska EarthScope PBO site, AB35) has been available as well. In addition to changes in the geodetic position due to tectonic motion, this GPS station shows large seasonal excursions in the detrended vertical and horizontal position components consistent with snow loading in the fall and winter and melt onset/mass decrease in the spring/summer. To better understand the timing of processes responsible for the onset of cryospheric mass loss documented in the GRACE data, we examined changes in the snow cover extent and the onset of melt in the spring. We calculated the elastic displacements of the solid Earth and theoretical earthquake failure criteria associated with these annual and seasonal ice and snow changes. Additionally, we compared the seismic rate (M>1.8) from a reference background time period against other time periods with variable ice or tectonic change characteristics to test the significance of seismic rate changes. Our earlier results suggest statistically significant changes in the background seismic rate associated with large seasonal mass changes.

TXESS Revolution: Utilizing TERC's EarthLabs Cryosphere Module to Support Professional Development of Texas Teachers

NASA Astrophysics Data System (ADS)

Odell, M.; Ellins, K. K.; Polito, E. J.; Castillo Comer, C. A.; Stocks, E.; Manganella, K.; Ledley, T. S.

2010-12-01

TERC’s EarthLabs project provides rigorous and engaging Earth and environmental science labs. Four existing modules illustrate sequences for learning science concepts through data analysis activities and hands-on experiments. A fifth module, developed with NSF, comprises a series of linked inquiry based activities focused on the cryosphere to help students understand concepts around change over time on multiple and embedded time scales. Teachers recruited from the NSF-OEDG-sponsored Texas Earth and Space Science (TXESS) Revolution teacher professional development program conducted a pedagogical review of the Cryosphere EarthLabs module and provided feedback on how well the materials matched high school needs in Texas and were aligned with state and national standards. Five TXESS Revolution teachers field tested the materials in their classrooms and then trained other TXESS Revolution teachers on their implementation during spring and summer 2010. Here we report on the results of PD delivery during the summer 2010 TXESS Revolution summer institute as determined by (1) a set of evaluation instruments that included a pre-post concept map activity to assess changes in workshop teachers’ understanding of the concepts presented, a pre-post test content knowledge test, and a pre-post survey of teachers’ comfort in teaching the Texas Earth and Space Science standards addressed by the module; (2) teacher reflections; and (3) focus group responses. The findings reveal that the teachers liked the module activities and felt they could use them to teach Environmental and Earth Science. They appreciated that the sequence of activities contributed to a deeper understanding and observed that the variety of methods used to present the information accommodates different learning styles. Information about the cryosphere was new to all the teachers. The content knowledge tests reveal that although teachers made appreciable gains, their understanding of cryosphere, how it changes over time, and it’s role in Earth’s climate system remains weak. Our results clearly reflect the challenges of addressing the complexity of climate science and critical need for climate literacy education.

Richard Wagner: Twilight of the Nazi Spell.

ERIC Educational Resources Information Center

Lindemann, Dirk

1985-01-01

Richard Wagner was probably the most influential musician of the 19th century. However, his image as an alleged intellectual-spiritual forerunner of national socialism through his music and prose works fosters aversion among critics. Whether Wagner's complicacy of art and ideology has had any lasting consequence on his reputation is discussed. (RM)

A nomenclator of Pacific oceanic island Phyllanthus (Phyllanthaceae), including Glochidion

PubMed Central

Wagner, Warren L.; Lorence, David H.

2011-01-01

Abstract Recent molecular phylogenetic studies and reevaluation of morphological characters have led to the inclusion of Glochidion within a broader delimitation of Phyllanthus. It is necessary for preparation of the Vascular Flora of the Marquesas Islands to make new combinations for the Marquesan species. We also provide the relevant combinations and listing of all of the currently accepted species of Phyllanthus on Pacific oceanic islands for a total of 69 native species in oceanic Pacific islands. Glochidion tooviianum J. Florenceis here placed into synonymy of Phyllanthus marchionicus (F. Br.) W. L. Wagner & Lorence based on new assessment of recently collected specimens from Nuku Hiva. Glochidion excorticans Fosberg var. calvum Fosberg is placed into synonomy of Phyllanthus ponapense (Hosokawa) W. L. Wagner & Lorenceand Glochidion puberulum Hosokawa and Glochidion excorticans Fosberg are placed in synonymy of Phyllanthus senyavinianus (Glassman)W. L. Wagner & Lorence based on new study of all Micronesian specimens available to us. No infraspecific taxa are recognized within Phyllanthus pacificus of the Marquesas Islands. Species already with valid names in Phyllanthus are also listed for completeness and convenience. Brief distributional comments are given for each species. We propose new names for species for which a new combination is not possible: Phyllanthus florencei W. L. Wagner & Lorence, nom. nov., Phyllanthus mariannensis W.L. Wagner & Lorence, nom. nov., Phyllanthus otobedii W. L. Wagner & Lorence, Phyllanthus raiateaensis W. L. Wagner & Lorence, Phyllanthus st-johnii W. L. Wagner & Lorence, nom. nov., and Phyllanthus vitilevuensis W.L. Wagner & Lorence, nom. nov. We provide information for four additional naturalized species within the region (Phyllanthus amarus, Phyllanthus debilis, Phyllanthus tenellus, and Phyllanthus urinaria). The name Glochidion ramiflorum widely applied to Pacific island populations is here considered to be a species further west in the Pacific with all of the oceanic species here referred to several regional species. PMID:22171182

Educating the U.S. Army: Arthur L. Wagner and Reform, 1875-1905.

ERIC Educational Resources Information Center

Brereton, T. R.

Arthur Lockwood Wagner, who graduated from West Point in 1876, was one of the best known and most influential U.S. Army officers of his day. An intellectual and educator, Wagner was instrumental in some of the most critical reforms in U.S. Army history. He advocated enhanced military education, adopting modern combat techniques, holding…

A Supplementary Clear-Sky Snow and Ice Recognition Technique for CERES Level 2 Products

NASA Technical Reports Server (NTRS)

Radkevich, Alexander; Khlopenkov, Konstantin; Rutan, David; Kato, Seiji

2013-01-01

Identification of clear-sky snow and ice is an important step in the production of cryosphere radiation budget products, which are used in the derivation of long-term data series for climate research. In this paper, a new method of clear-sky snow/ice identification for Moderate Resolution Imaging Spectroradiometer (MODIS) is presented. The algorithm's goal is to enhance the identification of snow and ice within the Clouds and the Earth's Radiant Energy System (CERES) data after application of the standard CERES scene identification scheme. The input of the algorithm uses spectral radiances from five MODIS bands and surface skin temperature available in the CERES Single Scanner Footprint (SSF) product. The algorithm produces a cryosphere rating from an aggregated test: a higher rating corresponds to a more certain identification of the clear-sky snow/ice-covered scene. Empirical analysis of regions of interest representing distinctive targets such as snow, ice, ice and water clouds, open waters, and snow-free land selected from a number of MODIS images shows that the cryosphere rating of snow/ice targets falls into 95% confidence intervals lying above the same confidence intervals of all other targets. This enables recognition of clear-sky cryosphere by using a single threshold applied to the rating, which makes this technique different from traditional branching techniques based on multiple thresholds. Limited tests show that the established threshold clearly separates the cryosphere rating values computed for the cryosphere from those computed for noncryosphere scenes, whereas individual tests applied consequently cannot reliably identify the cryosphere for complex scenes.

Climate and Cryosphere (CliC) Project and its Interest in Arctic Hydrology Research

NASA Astrophysics Data System (ADS)

Yang, D.; Prowse, T. D.; Steffen, K.; Ryabinin, V.

2009-12-01

The cryosphere is an important and dynamic component of the global climate system. The global cryosphere is changing rapidly, with changes in the Polar Regions receiving particular attention during the International Polar Year 2007-2008. The Climate and Cryosphere (CliC) Project is a core project of the World Climate Research Programme (WCRP) and is co-sponsored by WCRP, SCAR (Scientific Committee for Antarctic Research) and IASC (International Committee for Antarctic Research). The principal goal of CliC is to assess and quantify the impacts that climatic variability and change have on components of the cryosphere and the consequences of these impacts for the climate system. To achieve its objectives, CliC coordinates international and regional projects, partners with other organizations in joint initiatives, and organizes panels and working groups to lead and coordinate advanced research aimed at closing identified gaps in scientific knowledge about climate and cryosphere. The terrestrial cryosphere includes land areas where snow cover, lake- and river-ice, glaciers and ice caps, permafrost and seasonally frozen ground and solid precipitation occur. The main task of this theme is to improve estimates and quantify the uncertainty of water balance and related energy flux components in cold climate regions. This includes precipitation (both solid and liquid) distribution, properties of snow, snow melt, evapotranspiration, sublimation, water movement through frozen and unfrozen ground, water storage in watersheds, river- and lake-ice properties and processes, and river runoff. The focus of this theme includes two specific issues: the role of permafrost and frozen ground in the carbon balance, and precipitation in cold climates. Hydrological studies of cold regions will provide a key contribution to the new theme crosscut, which focuses on the cryospheric input to the freshwater balance of the Arctic. This presentation will provide an overview and update of recent developments of cold region hydrometeorology research activities and future challenges in arctic hydrology and climate change investigations.

Firth and Wagner (1997): New Ideas or a New Articulation?

ERIC Educational Resources Information Center

Gass, Susan M.; Lee, Junkyu; Roots, Robin

2007-01-01

This article begins with a review of second language acquisition research leading up to the 1997 article by Firth and Wagner. We argue that the Firth and Wagner article did not represent a new direction, but rather continued a type of argumentation that was already prevalent in the field at the time of the 1997 publication. We identify 3 issues as…

Evaluating the Outcomes of an eMentoring Program

ERIC Educational Resources Information Center

Penny, Chris; Bolton, David

2011-01-01

While the term mentor can mean different things to different people, a true mentoring relationship is "characterized by a richness of interdependence between two people" (O'Neill, Wagner, & Gomez, 1996, p. 42). In the last 20 years, mentoring has become more popular in education. The increased interest in mentoring has resulted in part from the…

The Concentric Support Model: A Model for the Planning and Evaluation of Distance Learning Programs

ERIC Educational Resources Information Center

Osika, Elizabeth

2006-01-01

Each year, the number of institutions offering distance learning courses continues to grow significantly (Green, 2002; National Center for Educational Statistics, 2003; Wagner, 2000). Broskoske and Harvey (2000) explained that "many institutions begin a distance education initiative encouraged by the potential benefits, influenced by their…

Smooth Move: A Psychoeducational Program for High School Seniors to Ease the Emotional Transition to College

ERIC Educational Resources Information Center

Collins, Mary H.

2010-01-01

The transition to college is considered to be a stressful time. Nearly all first year students experience loneliness, but many also experience stress, anxiety, depression, substance abuse, eating disorders, and suicidal thoughts (Compas, Wagner, Slavia, & Vannatta, 1986; Nicpon, Huser, Blanks, Sollenberger, Befort, & Robinson Kurpius, 2006-2007;…

The Joy of Ice

NASA Astrophysics Data System (ADS)

MacAyeal, D. R.

2013-12-01

The effectiveness of cryospheric science in addressing its main purpose (predicting and assessing response to climate change) is powerfully, but intangibly enhanced by the mysterious nature and the remote locations of ice and snow phenomena. Study of the cryosphere, in essence, depends as much on the universal human desire to satisfy curiosity as it does on the fact that cryospheric science informs humanity about the consequences of the environmental changes now clearly visible in all realms of the cryosphere. In my presentation, I shall consider the study of ice-shelf dynamics and stability, and shall draw on the perspective of my 37 years of involvement in this small, but important corner of glaciology, to show where curiosity has, and continues to be, a major driver of understanding. Joyful moments within the development of ice-shelf glaciology include examples where complete misunderstandings and blind alleys have ironically led to unexpected insight into how related phenomena operate, including: the flow of ice streams, the role of sticky spots, styles and drivers of iceberg calving, tidewater glacier terminus behavior, the source mechanisms and interpretations of cryospheric related seismic signals, and the dynamics of iceberg-drift-steering ocean circulation in basins separated by mid-ocean ridges. The familiar joke, "Why did the man who lost his keys on a dark night only search underneath the streetlamp?", is apt for cryospheric science--but with a perverse twist: We cryospheric scientists are more akin to the man who is driven to also grope for the key in the darkness because of the chance that in addition to the key, the car that the key will start might also be found somewhere beyond the glow of the streetlamp.

The correct name in Oenothera for Gauradrummondii (Onagraceae).

PubMed

Wagner, Warren L; Hoch, Peter C; Zarucchi, James L

2015-01-01

In 2007, Wagner and Hoch proposed the new name Oenotheraxenogaura W.L.Wagner & Hoch for the species then known as Gauradrummondii (Spach) Torrey & A. Gray (non Oenotheradrummondii Hooker, 1834). However, the authors overlooked the availability of Gaurahispida Bentham (1840) for this species. Accordingly, we herewith make the appropriate new combination for this species, Oenotherahispida (Bentham) W.L.Wagner, Hoch & Zarucchi, and place Oenotheraxenogaura in synonymy.

Introduction to the Physics of the Cryosphere

NASA Astrophysics Data System (ADS)

Sandells, Melody; Flocco, Daniela

2014-11-01

Introduction to the Physics of the Cryosphere is intended for graduates with a numerical sciences background, particularly those who are heading towards postgraduate study or are generally interested in environmental physics. Conservation equations underpin the physics encompassed in this book, although the interesting part comes in how the necessary variables and boundary conditions are defined to be able to simulate changes in the cryosphere. Phase changes between ice, liquid water and water vapour also come into play.

Ceres' Global Cryosphere

NASA Astrophysics Data System (ADS)

Sizemore, H. G.; Prettyman, T. H.; De Sanctis, M. C.; Schmidt, B. E.; Hughson, K.; Chilton, H.; Castillo, J. C.; Platz, T.; Schorghofer, N.; Bland, M. T.; Sori, M.; Buczkowski, D.; Byrne, S.; Landis, M. E.; Fu, R.; Ermakov, A.; Raymond, C. A.; Schwartz, S. J.

2017-12-01

Prior to the arrival of the Dawn spacecraft at Ceres, the dwarf planet was anticipated to have a deep global cryosphere protected by a thin silicate lag. Gravity science along with data collected by Dawn's Framing Camera (FC), Gamma Ray and Neutron Detector (GRaND), and Visible and Infrared Mapping Spectrometer (VIR-MS) during the primary mission at Ceres have confirmed the existence of a global, silicate-rich cryosphere, and suggest the existence of deeper ice, brine, or mud layers. As such, Ceres' surface morphology has characteristics in common with both Mars and the small icy bodies of the outer solar system. We will summarize the evidence for the existence and global extent of the Cerean cryosphere. We will also discuss the range of morphological features that have been linked to subsurface ice, and highlight outstanding science questions.

Glaciers and ice sheets as a biome.

PubMed

Anesio, Alexandre M; Laybourn-Parry, Johanna

2012-04-01

The tundra is the coldest biome described in typical geography and biology textbooks. Within the cryosphere, there are large expanses of ice in the Antarctic, Arctic and alpine regions that are not regarded as being part of any biome. During the summer, there is significant melt on the surface of glaciers, ice caps and ice shelves, at which point microbial communities become active and play an important role in the cycling of carbon and other elements within the cryosphere. In this review, we suggest that it is time to recognise the cryosphere as one of the biomes of Earth. The cryospheric biome encompasses extreme environments and is typified by truncated food webs dominated by viruses, bacteria, protozoa and algae with distinct biogeographical structures. Copyright © 2011 Elsevier Ltd. All rights reserved.

Perception of Leitmotives in Richard Wagner's Der Ring des Nibelungen.

PubMed

Baker, David J; Müllensiefen, Daniel

2017-01-01

The music of Richard Wagner tends to generate very diverse judgments indicative of the complex relationship between listeners and the sophisticated musical structures in Wagner's music. This paper presents findings from two listening experiments using the music from Wagner's Der Ring des Nibelungen that explores musical as well as individual listener parameters to better understand how listeners are able to hear leitmotives, a compositional device closely associated with Wagner's music. Results confirm findings from a previous experiment showing that specific expertise with Wagner's music can account for a greater portion of the variance in an individual's ability to recognize and remember musical material compared to measures of generic musical training. Results also explore how acoustical distance of the leitmotives affects memory recognition using a chroma similarity measure. In addition, we show how characteristics of the compositional structure of the leitmotives contributes to their salience and memorability. A final model is then presented that accounts for the aforementioned individual differences factors, as well as parameters of musical surface and structure. Our results suggest that that future work in music perception may consider both individual differences variables beyond musical training, as well as symbolic features and audio commonly used in music information retrieval in order to build robust models of musical perception and cognition.

Perception of Leitmotives in Richard Wagner's Der Ring des Nibelungen

PubMed Central

Baker, David J.; Müllensiefen, Daniel

2017-01-01

The music of Richard Wagner tends to generate very diverse judgments indicative of the complex relationship between listeners and the sophisticated musical structures in Wagner's music. This paper presents findings from two listening experiments using the music from Wagner's Der Ring des Nibelungen that explores musical as well as individual listener parameters to better understand how listeners are able to hear leitmotives, a compositional device closely associated with Wagner's music. Results confirm findings from a previous experiment showing that specific expertise with Wagner's music can account for a greater portion of the variance in an individual's ability to recognize and remember musical material compared to measures of generic musical training. Results also explore how acoustical distance of the leitmotives affects memory recognition using a chroma similarity measure. In addition, we show how characteristics of the compositional structure of the leitmotives contributes to their salience and memorability. A final model is then presented that accounts for the aforementioned individual differences factors, as well as parameters of musical surface and structure. Our results suggest that that future work in music perception may consider both individual differences variables beyond musical training, as well as symbolic features and audio commonly used in music information retrieval in order to build robust models of musical perception and cognition. PMID:28522981

Bias in the Wagner-Nelson estimate of the fraction of drug absorbed.

PubMed

Wang, Yibin; Nedelman, Jerry

2002-04-01

To examine and quantify bias in the Wagner-Nelson estimate of the fraction of drug absorbed resulting from the estimation error of the elimination rate constant (k), measurement error of the drug concentration, and the truncation error in the area under the curve. Bias in the Wagner-Nelson estimate was derived as a function of post-dosing time (t), k, ratio of absorption rate constant to k (r), and the coefficient of variation for estimates of k (CVk), or CV% for the observed concentration, by assuming a one-compartment model and using an independent estimate of k. The derived functions were used for evaluating the bias with r = 0.5, 3, or 6; k = 0.1 or 0.2; CV, = 0.2 or 0.4; and CV, =0.2 or 0.4; for t = 0 to 30 or 60. Estimation error of k resulted in an upward bias in the Wagner-Nelson estimate that could lead to the estimate of the fraction absorbed being greater than unity. The bias resulting from the estimation error of k inflates the fraction of absorption vs. time profiles mainly in the early post-dosing period. The magnitude of the bias in the Wagner-Nelson estimate resulting from estimation error of k was mainly determined by CV,. The bias in the Wagner-Nelson estimate resulting from to estimation error in k can be dramatically reduced by use of the mean of several independent estimates of k, as in studies for development of an in vivo-in vitro correlation. The truncation error in the area under the curve can introduce a negative bias in the Wagner-Nelson estimate. This can partially offset the bias resulting from estimation error of k in the early post-dosing period. Measurement error of concentration does not introduce bias in the Wagner-Nelson estimate. Estimation error of k results in an upward bias in the Wagner-Nelson estimate, mainly in the early drug absorption phase. The truncation error in AUC can result in a downward bias, which may partially offset the upward bias due to estimation error of k in the early absorption phase. Measurement error of concentration does not introduce bias. The joint effect of estimation error of k and truncation error in AUC can result in a non-monotonic fraction-of-drug-absorbed-vs-time profile. However, only estimation error of k can lead to the Wagner-Nelson estimate of fraction of drug absorbed greater than unity.

78 FR 42090 - Submission for OMB Review; 30-day Comment Request; NIH Office of Intramural Training & Education...

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... 100.0 1.0 1.0 100.00 (CCSEP) Technical Training Program (PBT) 115.0 1.0 1.0 115.00 Graduate...; 30-day Comment Request; NIH Office of Intramural Training & Education Application SUMMARY: Under the... Wagner; Director of Admissions & Registrar; Office of Intramural Training & Education; National...

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... Virgin Islands) was published in the Federal Register at 65 FR 8236 (February 17, 2000) which included... of Northern Marianas Islands, and Virgin Islands. The Department updated data for Palau from Palau's... incentives for ES offices, services for groups with special needs, and for the extra costs of exemplary...

College? No Thanks, Mom and Dad

ERIC Educational Resources Information Center

Ruark, Jennifer

2009-01-01

Robin Wagner, director of the library at Gettysburg College, remembers a few years ago when her son, Ben, was a high-school senior. While all his friends were talking about their college plans, Ben, who had been accepted to the University of Pittsburgh's engineering program, refused to return the offer card. On the band-room whiteboard where kids…

The correct name in Oenothera for Gaura drummondii (Onagraceae)

PubMed Central

Wagner, Warren L.; Hoch, Peter C.; Zarucchi, James L.

2015-01-01

Abstract In 2007, Wagner and Hoch proposed the new name Oenothera xenogaura W.L.Wagner & Hoch for the species then known as Gaura drummondii (Spach) Torrey & A. Gray (non Oenothera drummondii Hooker, 1834). However, the authors overlooked the availability of Gaura hispida Bentham (1840) for this species. Accordingly, we herewith make the appropriate new combination for this species, Oenothera hispida (Bentham) W.L.Wagner, Hoch & Zarucchi, and place Oenothera xenogaura in synonymy. PMID:26140017

Student-Teachers' Perceptions of Second Language Teaching in the CBL Program: Identity Construction and Development

ERIC Educational Resources Information Center

Yeh, Shu-Fen

2017-01-01

In recent times, researchers of second language learning have suggested that second language learning is not simply a cognitive or linguistic issue, but is also a social, political, and cultural one (e.g., Atkinson, 2002; Firth & Wagner, 1997; Larsen-Freeman, 2007). Research on student teachers' identity (e.g., Atkinson, 2004; Day &…

The Cryospheres of Mars and Ceres - What thermal observations tell us about near surface ice.

NASA Astrophysics Data System (ADS)

Titus, T. N.; Li, J. Y.; Moullet, A.

2017-12-01

Mars and Ceres both have near surface water ice that forms a cryosphere at polar latitudes. Gamma ray and neutron observations have provided important constraints on the location and depths of the cryosphere for both planetary bodies, but these observations have very low spatial resolution [e.g. 1, 2]. Thermal observations, which are also sensitive to the presence of a near-surface cryosphere as demonstrated by several studies of Mars [e.g. 3, 4], provide additional constraints. Thermal observations can identify depth to the cryosphere (as long as it is within a few thermal skin depths) and water-ice stability. This presentation will compare both the similarities and the differences of these two planetary cryospheres, as well as the thermal observations from Mars Global Surveyor (MGS) Thermal Emission Spectrometer (TES) [5], the Atacama Large Millimeter/submillimeter Array (ALMA) [6], and publically available Dawn Visible Infrared spectrometer (VIR) [7]. The KRC thermal model [8] will use these observed surface temperatures to constrain depths to near surface ice (i.e. the cyropshere). References: [1] Feldman et al., 2002, Science, 297(5578), 75-78. [2] Prettyman et al., 2017, Science, 355(6320), 55-59. [3] Titus et al., 2003, Science, 299(5609), 1048-1051 [4] Mellon et al., 2008, JGR, 113(E12), CiteID E00A25. [5] Christensen et al., 1998, Science, 279(5357), 1692. [6] Wootten A. et al. (2015) IAU General Assembly, Meeting #29, #2237199 [7] de Santis et al., 2011, Space Science Reviews, 163(1-4), 329-369. [8] Kieffer, 2013, JGR, 118, Issue 3, pp. 451-470.

Outreach/education interface for Cryosphere models using the Virtual Ice Sheet Laboratory

NASA Astrophysics Data System (ADS)

Larour, E. Y.; Halkides, D. J.; Romero, V.; Cheng, D. L.; Perez, G.

2014-12-01

In the past decade, great strides have been made in the development of models capable of projecting the future evolution of glaciers and the polar ice sheets in a changing climate. These models are now capable of replicating some of the trends apparent in satellite observations. However, because this field is just now maturing, very few efforts have been dedicated to adapting these capabilities to education. Technologies that have been used in outreach efforts in Atmospheric and Oceanic sciences still have not been extended to Cryospheric Science. We present a cutting-edge, technologically driven virtual laboratory, geared towards outreach and k-12 education, dedicated to the polar ice sheets on Antarctica and Greenland, and their role as major contributors to sea level rise in coming decades. VISL (Virtual Ice Sheet Laboratory) relies on state-of-the art Web GL rendering of polar ice sheets, Android/iPhone and web portability using Javascript, as well as C++ simulations (back-end) based on the Ice Sheet System Model, the NASA model for simulating the evolution of polar ice sheets. Using VISL, educators and students can have an immersive experience into the world of polar ice sheets, while at the same exercising the capabilities of a state-of-the-art climate model, all of it embedded into an education experience that follows the new STEM standards for education.This work was performed at the California Institute of Technology's Jet Propulsion Laboratory under a contract with the National Aeronautics and Space Administration's Cryosphere Science Program.

The European mountain cryosphere: a review of its current state, trends, and future challenges

NASA Astrophysics Data System (ADS)

Beniston, Martin; Farinotti, Daniel; Stoffel, Markus; Andreassen, Liss M.; Coppola, Erika; Eckert, Nicolas; Fantini, Adriano; Giacona, Florie; Hauck, Christian; Huss, Matthias; Huwald, Hendrik; Lehning, Michael; López-Moreno, Juan-Ignacio; Magnusson, Jan; Marty, Christoph; Morán-Tejéda, Enrique; Morin, Samuel; Naaim, Mohamed; Provenzale, Antonello; Rabatel, Antoine; Six, Delphine; Stötter, Johann; Strasser, Ulrich; Terzago, Silvia; Vincent, Christian

2018-03-01

The mountain cryosphere of mainland Europe is recognized to have important impacts on a range of environmental processes. In this paper, we provide an overview on the current knowledge on snow, glacier, and permafrost processes, as well as their past, current, and future evolution. We additionally provide an assessment of current cryosphere research in Europe and point to the different domains requiring further research. Emphasis is given to our understanding of climate-cryosphere interactions, cryosphere controls on physical and biological mountain systems, and related impacts. By the end of the century, Europe's mountain cryosphere will have changed to an extent that will impact the landscape, the hydrological regimes, the water resources, and the infrastructure. The impacts will not remain confined to the mountain area but also affect the downstream lowlands, entailing a wide range of socioeconomical consequences. European mountains will have a completely different visual appearance, in which low- and mid-range-altitude glaciers will have disappeared and even large valley glaciers will have experienced significant retreat and mass loss. Due to increased air temperatures and related shifts from solid to liquid precipitation, seasonal snow lines will be found at much higher altitudes, and the snow season will be much shorter than today. These changes in snow and ice melt will cause a shift in the timing of discharge maxima, as well as a transition of runoff regimes from glacial to nival and from nival to pluvial. This will entail significant impacts on the seasonality of high-altitude water availability, with consequences for water storage and management in reservoirs for drinking water, irrigation, and hydropower production. Whereas an upward shift of the tree line and expansion of vegetation can be expected into current periglacial areas, the disappearance of permafrost at lower altitudes and its warming at higher elevations will likely result in mass movements and process chains beyond historical experience. Future cryospheric research has the responsibility not only to foster awareness of these expected changes and to develop targeted strategies to precisely quantify their magnitude and rate of occurrence but also to help in the development of approaches to adapt to these changes and to mitigate their consequences. Major joint efforts are required in the domain of cryospheric monitoring, which will require coordination in terms of data availability and quality. In particular, we recognize the quantification of high-altitude precipitation as a key source of uncertainty in projections of future changes. Improvements in numerical modeling and a better understanding of process chains affecting high-altitude mass movements are the two further fields that - in our view - future cryospheric research should focus on.

Can't sleep? Try these tips

MedlinePlus

... 23320870 . Berry RB, Wagner MH. Behavioral treatment of insomnia. In: Berry RB, Wagner MH, eds. Sleep Medicine ... Davidson JR, Beaulieu-Bonneau S. Cognitive behavior therapies for insomnia. In: Kryger M, Roth T, Dement WC, eds. ...

Differential effects of adding and removing components of a context on the generalization of conditional freezing.

PubMed

González, Felisa; Quinn, Jennifer J; Fanselow, Michael S

2003-01-01

Rats were conditioned across 2 consecutive days where a single unsignaled footshock was presented in the presence of specific contextual cues. Rats were tested with contexts that had additional stimulus components either added or subtracted. Using freezing as a measure of conditioning, removal but not addition of a cue from the training context produced significant generalization decrement. The results are discussed in relation to the R. A. Rescorla and A. R. Wagner (1972), J. M. Pearce (1994), and A. R. Wagner and S. E. Brandon (2001) accounts of generalization. Although the present data are most consistent with elemental models such as Rescorla and Wagner, a slight modification of the Wagner-Brandon replaced-elements model that can account for differences in the pattern of generalization obtained with contexts and discrete conditional stimuli is proposed.

Effects of Cryospheric Change on Alpine Hydrology: Combining a Model With Observations in the Upper Reaches of the Hei River, China

NASA Astrophysics Data System (ADS)

Chen, R.; Wang, G.; Yang, Y.; Liu, J.; Han, C.; Song, Y.; Liu, Z.; Kang, E.

2018-04-01

Cryospheric changes have great effects on alpine hydrology, but these effects are still unclear owing to rare observations and suitable models in the western cold regions of China. Based on long-term field observations in the western cold regions of China, a cryospheric basin hydrological model was proposed to evaluate the cryospheric effects on streamflow in the upper Hei River basin (UHR), and the relationship between the cryosphere and streamflow was further discussed with measured data. The Norwegian Earth System Model outputs were chosen to project future streamflow under scenarios Representative Concentration Pathways (RCP)2.6, RCP4.5, and RCP8.5. The cryospheric basin hydrological model results were well validated by the measured precipitation, streamflow, evapotranspiration, soil temperature, glacier and snow cover area, and the water balance of land cover in the UHR. The moraine-talus region contributed most of the runoff (60%), even though it made up only about 20% of the area. On average, glacier and snow cover, respectively, contributed 3.5% and 25.4% of the fresh water to the streamflow in the UHR between 1960 and 2013. Because of the increased air temperature (2.9°C/54a) and precipitation (69.2 mm/54a) over the past 54 years, glacial and snowmelt runoff increased by 9.8% and 12.1%, respectively. The increase in air temperature brought forward the snowmelt flood peak and increased the winter flow due to permafrost degradation. Glaciers may disappear in the near future because of their small size, but snowmelt would increase due to increases in snowfall in the higher mountainous areas, and the basin runoff would increase slightly in the future.

Analytical Tools for Affordability Analysis

DTIC Science & Technology

2015-04-30

flunk this basic test from their inception. —Honorable Ashton B. Carter (2010), Under Secretary of Defense for Acquisition, Technology, and Logistics... Testing , and Evaluation] funding has been lost to cancelled programs. (Decker & Wagner, 2011) The Army is scarcely unique in this regard. All... econometric model of how schedule affects cost should take advantage of these different cost categories and treat them separately when they are known

76 FR 28461 - Program Year 2011 Allotments and Grants: Workforce Investment Act, Wagner-Peyser Act, and...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-05-17

..., services for groups with special needs, and for the extra costs of exemplary models for delivering job... for Guam and the Virgin Islands. The remaining funds are distributed to the States with 40 percent...) -0.20 Virgin Islands 1,385,855 1,383,083 (2,772) -0.20 Outlying areas total....... 1,715,074 1,711...

Requirements for implementation of Kuessner and Wagner indicial lift growth functions into the FLEXSTAB computer program system for use in dynamic loads analyses

NASA Technical Reports Server (NTRS)

Miller, R. D.; Rogers, J. T.

1975-01-01

General requirements for dynamic loads analyses are described. The indicial lift growth function unsteady subsonic aerodynamic representation is reviewed, and the FLEXSTAB CPS is evaluated with respect to these general requirements. The effects of residual flexibility techniques on dynamic loads analyses are also evaluated using a simple dynamic model.

NPDES Permit for City of Wagner Wastewater Treatment Facility in South Dakota

EPA Pesticide Factsheets

Under NPDES permit SD-0020184, the City of Wagner, South Dakota is authorized to discharge from its wastewater treatment facility in Charles Mix County, South Dakota, to an unnamed tributary of Choteau Creek.

Estimation of absorption rate constant (ka) following oral administration by Wagner-Nelson, Loo-Riegelman, and statistical moments in the presence of a secondary peak.

PubMed

Mahmood, Iftekhar

2004-01-01

The objective of this study was to evaluate the performance of Wagner-Nelson, Loo-Reigelman, and statistical moments methods in determining the absorption rate constant(s) in the presence of a secondary peak. These methods were also evaluated when there were two absorption rates without a secondary peak. Different sets of plasma concentration versus time data for a hypothetical drug following one or two compartment models were generated by simulation. The true ka was compared with the ka estimated by Wagner-Nelson, Loo-Riegelman and statistical moments methods. The results of this study indicate that Wagner-Nelson, Loo-Riegelman and statistical moments methods may not be used for the estimation of absorption rate constants in the presence of a secondary peak or when absorption takes place with two absorption rates.

Revision of Cyrtandra (Gesneriaceae) in the Marquesas Islands

PubMed Central

Wagner, Warren L.; Wagner, Anthony J.; Lorence, David H.

2013-01-01

Abstract During the preparation of the Vascular Flora of the Marquesas Islands three new species of Cyrtandra (Gesneriaceae) have come to light and are described herein: C. uapouensis W. L. Wagner & Lorence, C. uahukaensis W. L. Wagner & Lorence, and C. kenwoodii W. L. Wagner & A. J. Wagner. Amended descriptions of the eight previously described Marquesan species are also provided as well as a key to the species. With the description of these the new species Cyrtandra in the Marquesas Islands consists of 11 species, six of which have been included in recent molecular phylogenetic studies of Pacific Cyrtandra, and appear to have arisen from one original introduction. If the other five species are members of this Marquesas clade then Cyrtandra would represent the largest lineage of Marquesas vascular plants. Psychotria is largest genus in the Marquesas Islands with 13 species, but is thought to consist of three separate lineages. PMID:24399899

Channels and valleys on Mars: Cold climate features formed as a result of a thickening cryosphere

USGS Publications Warehouse

Carr, M.H.

1996-01-01

Large flood channels, valley networks, and a variety of features attributed to the action of ground ice indicate that Mars emerged from heavy bombardment around 3.8Gyr ago, with an inventory of water at the surface equivalent to at least a few hundred meters spread over the whole planet, as compared with 3 km for the Earth. The surface water resided primarily in a porous, kilometers thick, megaregolith created by the high impact rates. At the end of heavy bombardment a rapid decline in erosion rates by a factor of 1000 suggests a major change in the global climate. It is proposed that at this time the climate became similar to today's and that this climate has been maintained throughout the rest of Mars' history. The various drainage features represent an adjustment of the distribution of water to the surface relief inherited from the period of heavy bombardment and to a thickening of the cryosphere as the heat flow declined. The valley networks formed mostly at the end of heavy bombardment when erosion rates were high and climatic conditions permitted an active water cycle. They continued to form after heavy bombardment when the cryosphere started to form by a combination of episodic flooding and mass-wasting aided by the presence of liquid water at shallow depths. As the cryosphere thickened with declining heat flow, water could no longer easily access the surface and the rate of valley formation declined. Hydrostatic pressures built below the cryosphere. Eruptions of groundwater became more catastrophic and massive floods resulted, mainly in upper Hesperian time. Flood sources were preferentially located in low-lying, low-latitude areas where the cryosphere was thin, or near volcanoes where a thinner than typical cryosphere is also expected. Floods caused a drawdown in the global water table so that few formed in the second half of Mars' history. The floodwaters pooled in low-lying areas, mostly in the northern plains. Some of the water may still be present as thick ice deposits, some has been lost to space, particularly during periods of high obliquity. Published by Elsevier Science Ltd.

Analysis of Alternative Watch Schedules for Shipboard Operations: A Guide for Commanders

DTIC Science & Technology

2012-03-01

legally impaired in the U.S. Memory and creativity are both negatively impacted by sleep deprivation (Butcher, 2000; Stickgold, 2005; Wagner, Gais ...section watch sections, which were analyzed in the FAST program. A. SAN JACINTO SURVEY DATA SET While on deployment in 2010, CAPT Cordle, the... Thomas , M., Sing, H., Redmond, D., Balkin, T. (2003). Patterns of performance degradation and restoration during sleep restriction and subsequent

BRASS MILL #72 SLITTER, OPERATED BY JOSEPH WAGNER, FORMERLY AN ...

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

BRASS MILL #72 SLITTER, OPERATED BY JOSEPH WAGNER, FORMERLY AN EMPLOYEE OF REPUBLIC STEEL IN BUFFALO. BRASS STRIP FROM THE SLITTE IS USED ON THE BUFFALO PLANT'S CONTINUOUS SEAMLESS TUBE LINE. - American Brass Foundry, 70 Sayre Street, Buffalo, Erie County, NY

Cryosphere Science Outreach using the NASA/JPL Virtual Earth System Laboratory

NASA Astrophysics Data System (ADS)

Larour, E. Y.; Cheng, D. L. C.; Quinn, J.; Halkides, D. J.; Perez, G. L.

2016-12-01

Understanding the role of Cryosphere Science within the larger context of Sea Level Rise is both a technical and educational challenge that needs to be addressed if the public at large is to truly understand the implications and consequences of Climate Change. Within this context, we propose a new approach in which scientific tools are used directly inside a mobile/website platform geared towards Education/Outreach. Here, we apply this approach by using the Ice Sheet System Model, a state of the art Cryosphere model developed at NASA, and integrated within a Virtual Earth System Laboratory, with the goal to outreach Cryosphere science to K-12 and College level students. The approach mixes laboratory experiments, interactive classes/lessons on a website, and a simplified interface to a full-fledged instance of ISSM to validate the classes/lessons. This novel approach leverages new insights from the Outreach/Educational community and the interest of new generations in web based technologies and simulation tools, all of it delivered in a seamlessly integrated web platform, relying on a state of the art climate model and live simulations.

76 FR 64298 - Committee on Regulation

Federal Register 2010, 2011, 2012, 2013, 2014

2011-10-18

... Wagner's research by posting comments to the forum and reading comments submitted to the forum by other... members will discuss Professor Wagner's research by posting comments to the forum and reading comments... discussed, or otherwise evidently inappropriate for posting. When submitting comments, please bear in mind...

ICEX: Ice and Climate Experiment. Report of science and applications working group

NASA Technical Reports Server (NTRS)

1979-01-01

The Ice and Climate Experiment (ICEX), a proposed program of coordinated investigations of the ice and snow masses of the Earth (the "cryosphere") is described. These investigations are to be carried out with the help of satellite, aircraft, and surface based observations. Measurements derived from the investigations will be applied to an understanding of the role of the cryosphere in the system that determines the Earth's climate, to a better prediction of the responses of the ice and snow to climatic change, to studies of the basic nature of ice forms and ice dynamics, and to the development of operational techniques for assisting such activities in the polar regions as transportation, exploitation of natural resources, and petroleum exploration and production. A high-inclination satellite system with a set of remote-sensing instruments specially tailored to the task of observing the important features of snow, sea ice, and the ice sheets of Greenland and the Antarctic is to be used to record the near-simultaneous observations of multiple geophysical parameters by complementary sensors.

The perilous world of the wardrobe

NASA Astrophysics Data System (ADS)

Gillies, James

2010-01-01

Last spring a man called Walter Wagner claimed that if you can conceive of two possible outcomes to an event, then the probability of each one happening is 50:50. His pronouncement came in an episode of The Daily Show, a US satirical news TV programme, but he was not trying to be funny. Wagner, a plaintiff in a 2008 court case in Hawaii that tried to prevent CERN from switching on the Large Hadron Collider (LHC), has long believed that experiments at the collider could cause the world to go up in a puff of smoke. And the probability of this happening, as conceived by Wagner, is one in two. Scary.

Short-term response of the solid Earth to cryosphere fluctuations and the earthquake cycle in south-central Alaska

NASA Astrophysics Data System (ADS)

Sauber, J. M.; Freymueller, J. T.; Han, S. C.; Davis, J. L.; Ruppert, N. A.

2016-12-01

In southern Alaska surface deformation and gravimetric change are associated with the seismic cycle as well as a strong seasonal cycle of snow accumulation and melt and a variable rate of glacier mass wastage. Numerical modeling of the solid Earth response to cryosphere change on a variety of temporal and spatial scales plays a critical role in supporting the interpretation of time-variable gravity and other geodetic data. In this study we calculate the surface displacements and stresses associated with variable spatial and temporal cryospheric loading and unloading in south-central coastal Alaska. A challenging aspect of estimating the response of the solid Earth to short-term (months to 102 years) regional cryospheric fluctuations is choosing the rock mechanics constitutive laws appropriate to this region. Here we report calculated differences in the predicted surface displacements and stresses during the GRACE time period (2002 to present). Broad-scale, GRACE-derived estimates of cryospheric mass change, along with independent snow melt onset/refreeze timing, snow depth and annual glacier wastage estimates from a variety of methods, were used to approximate the magnitude and timing of cryospheric load changes. We used the CIG finite element code PyLith to enable input of spatially complex surface loads. An as example of our evaluation of the influence of variable short-term surface loads, we calculated and contrasted the predicted surface displacements and stresses for a cooler than average and higher precipitation water year (WY12) versus a warmer than average year (WY05). Our calculation of these comparative stresses is motivated by our earlier empirical evaluation of the influence of short-term cryospheric fluctuations on the background seismic rate between 1988-2006 (Sauber and Ruppert, 2008). During the warmer than average years between 2002-2006 we found a stronger seasonal dependency in the frequency of small tectonic events in the Icy Bay region relative to cooler years. To date, we have focused our 3-D modeling on changes in the thickness of the primarily elastic layer and we also varied the Maxwell viscoelastic relaxation times for the lower crust and upper mantle. We anticipate exploring the influence of transient rheologies and testing alternate 3-D rheological structures.

Efficient Sensitivity Methods for Probabilistic Lifing and Engine Prognostics

DTIC Science & Technology

2010-09-01

AFRL-RX-WP-TR-2010-4297 EFFICIENT SENSITIVITY METHODS FOR PROBABILISTIC LIFING AND ENGINE PROGNOSTICS Harry Millwater , Ronald Bagley, Jose...5c. PROGRAM ELEMENT NUMBER 62102F 6. AUTHOR(S) Harry Millwater , Ronald Bagley, Jose Garza, D. Wagner, Andrew Bates, and Andy Voorhees 5d...Reliability Assessment, MIL-HDBK-1823, 30 April 1999. 9. Leverant GR, Millwater HR, McClung RC, Enright MP, A New Tool for Design and Certification of

78 FR 31430 - Proposed Establishment of Class E Airspace; Wagner, SD

Federal Register 2010, 2011, 2012, 2013, 2014

2013-05-24

... accommodate new Standard Instrument Approach Procedures (SIAP) at Wagner Municipal Airport. The FAA is taking this action to enhance the safety and management of Instrument Flight Rules (IFR) operations for SIAPs... approach procedures at the airport. Controlled airspace is needed for the safety and management of IFR...

Darwin and Wagner: Evolution and Aesthetic Appreciation

ERIC Educational Resources Information Center

Ostergaard, Edvin

2011-01-01

Two of the most influential works of the Western nineteenth century were completed in 1859: Charles Darwin's "The Origin of Species" and Richard Wagner's opera "Tristan and Isolde." Although created within very different cultural traditions, these works show some striking similarities: both brought about a critical, long-lasting debate and caused…

Metrosideros polymorpha Gaudich

Treesearch

James A. Allen

2002-01-01

Metrosideros is a genus of about 50 species. With the exception of one species found in South Africa, all grow in the Pacific from the Philippines, through Papua New Guinea, to New Zealand and on high volcanic islands (Wagner and others 1990). Five species occur in the Hawaiian Islands (Wagner and others 1990). Metrosideros polymorpha...

Knee arthrodesis in failed total knee arthroplasty with severe osteolysis and ipsilateral long-stem total hip arthroplasty.

PubMed

Sim, Jae Ang; Lee, Beom Koo; Kwak, Ji Hoon; Moon, Sung Hoon

2009-02-01

We report a case of knee fusion after a failed total knee arthroplasty (TKA) with severe osteolysis including the epicondyle and ipsilateral total hip arthroplasty (THA) with long Wagner revision stem (Sulzer Orthopedics, Baar, Switzerland). The conventional devices for arthrodesis were unavailable in this case because of the long Wagner revision stem and poor bone stock. A connector was made between the long Wagner revision stem and an intramedullary nail (IM nail; Solco, Seoul, Korea). The custom-made connector was coupled with a femoral stem by cylindrical taper fit with additional cement augmentation and an intramedullary nail by screws. Osseous fusion was achieved without pain or instability.

Satellite image atlas of glaciers of the world

USGS Publications Warehouse

Williams, Richard S.; Ferrigno, Jane G.; Williams, Richard S.; Ferrigno, Jane G.

1988-01-01

U.S. Geological Survey Professional Paper 1386, Satellite Image Atlas of Glaciers of the World, contains 11 chapters designated by the letters A through K. Chapter A provides a comprehensive, yet concise, review of the "State of the Earth's Cryosphere at the Beginning of the 21st Century: Glaciers, Global Snow Cover, Floating Ice, and Permafrost and Periglacial Environments," and a "Map/Poster of the Earth's Dynamic Cryosphere," and a set of eight "Supplemental Cryosphere Notes" about the Earth's Dynamic Cryosphere and the Earth System. The next 10 chapters, B through K, are arranged geographically and present glaciological information from Landsat and other sources of historic and modern data on each of the geographic areas. Chapter B covers Antarctica; Chapter C, Greenland; Chapter D, Iceland; Chapter E, Continental Europe (except for the European part of the former Soviet Union), including the Alps, the Pyrenees, Norway, Sweden, Svalbard (Norway), and Jan Mayen (Norway); Chapter F, Asia, including the European part of the former Soviet Union, China, Afghanistan, Pakistan, India, Nepal, and Bhutan; Chapter G, Turkey, Iran, and Africa; Chapter H, Irian Jaya (Indonesia) and New Zealand; Chapter I, South America; Chapter J, North America (excluding Alaska); and Chapter K, Alaska. Chapters A–D each include map plates.

Cryosphere: a kingdom of anomalies and diversity

NASA Astrophysics Data System (ADS)

Melnikov, Vladimir; Gennadinik, Viktor; Kulmala, Markku; Lappalainen, Hanna K.; Petäjä, Tuukka; Zilitinkevich, Sergej

2018-05-01

The cryosphere of the Earth overlaps with the atmosphere, hydrosphere and lithosphere over vast areas with temperatures below 0 °C and pronounced H2O phase changes. In spite of its strong variability in space and time, the cryosphere plays the role of a global thermostat, keeping the thermal regime on the Earth within rather narrow limits, affording continuation of the conditions needed for the maintenance of life. Objects and processes related to cryosphere are very diverse, due to the following basic reasons: the anomalous thermodynamic and electromagnetic properties of H2O, the intermediate intensity of hydrogen bonds and the wide spread of cryogenic systems all over the Earth. However, these features attract insufficient attention from research communities. Cryology is usually understood as a descriptive discipline within physical geography, limited to glaciology and permafrost research. We emphasise its broad interdisciplinary landscape involving physical, chemical and biological phenomena related to the H2O phase transitions and various forms of ice. This paper aims to draw the attention of readers to the crucial importance of cryogenic anomalies, which make the Earth atmosphere and the entire Earth system very special, if not unique, objects in the universe.

First nearctic records for Orius (Dimorphella) sibiricus Wagner (Hemiptera: Heteroptera: Anthocoridae), a Eurasian steppe inhabitant

USDA-ARS?s Scientific Manuscript database

Orius sibiricus Wagner, a dark-colored minute pirate bug widespread in the Eurasian Steppe, is recorded from sites near the Yukon River in Yukon, Canada. This species is distinguished from the melanic phenotype of Orius diespeter Herring by the more deeply and uniformly punctured dorsum, the subangu...

Institutional Practices That Support Students with Autism Spectrum Disorders in a Postsecondary Educational Setting

ERIC Educational Resources Information Center

Brown, Kirsten Ruth

2012-01-01

Almost 11% of college students have a disability (Newman, Wagner, Cameto, Knokey, & Shaver, 2010). Existing research indicates that students with disabilities have difficulty with retention and graduation (Newman, Wagner, Cameto, & Knokey, 2009). Autism Spectrum Disorder (ASD) is a type of disability that has increased among students in…

77 FR 46411 - Procurement List; Proposed Additions and Deletions

Federal Register 2010, 2011, 2012, 2013, 2014

2012-08-03

.... There are no known regulatory alternatives which would accomplish the objectives of the Javits-Wagner-O...-Wagner-O'Day Act (41 U.S.C. 8501-8506) in connection with the products and services proposed for deletion... Reserve Command, Atlanta, GA. NPA: WORKTEC, Jonesboro, GA Contracting Activity: Dept of the Army, W6qM...

75 FR 63446 - Procurement List Proposed Additions And Deletions

Federal Register 2010, 2011, 2012, 2013, 2014

2010-10-15

... objectives of the Javits-Wagner-O'Day Act (41 U.S.C. 46- 48c) in connection with the product and services... M. Albright Training Center, 1 Albright Avenue Grand Canyon, AZ NPA: Trace, Inc., Boise, ID.... There are no known regulatory alternatives which would accomplish the objectives of the Javits-Wagner-O...

Self-Concept and Perceived Social Support of College Women with Disabilities

ERIC Educational Resources Information Center

Hellstrom-Kinder, Candace

2013-01-01

Young female adults with disabilities are at risk for difficult lives. The transition from high school to post-secondary education is fraught with difficulties for disabled persons and research indicates they do not fare as well as their non-disabled peers (Wagner, 1992; Wagner, Newman, Cameto & Levine, 2005). In addition, gender disparities…

Armed Deterrence: Countering Soft Target Attacks

DTIC Science & Technology

2016-02-06

Perspectives on Terrorism 9, no. 4 (August 2015): 14-30. 6 Ibid., 19. 7 Ibid., 16. 8 Ibid. 9 Ibid., 14. 10 Ibid., 27. 11 Meg Wagner and Rich...Wagner, Meg and Rich Schapiro. “Mastermind of Paris terror attack planned strikes on schools, mocked Europe’s open borders: report,” New York Daily

Innovation Squared: Comparison of Models by Tony Wagner and Steven Johnson

ERIC Educational Resources Information Center

Fluellen, Jerry E., Jr.

2012-01-01

On the surface, Tony Wagner's model of innovation differs from Steven Johnson's. One explores the following: how might we develop a nation of innovators? The other offers seven patterns that mark environments for innovation. Drawing from triangulated data, both authors create regularities (not laws) that have new paradigm, scientific credibility.…

Reduction of the Hawaiian genus Platydesma into Melicope section Pelea (Rutaceae) and notes on the monophyly of the section.

PubMed

Appelhans, Marc S; Wood, Kenneth R; Wagner, Warren L

2017-01-01

Platydesma , an endemic genus to the Hawaiian Islands containing four species, has long been considered of obscure origin. Recent molecular phylogenetic studies have unequivocally placed Platydesma within the widespread genus Melicope as sister to the rest of the Hawaiian species of Melicope . This makes submerging Platydesma into Melicope necessary. We make the necessary new combinations: Melicope cornuta (Hillebr.) Appelhans, K.R. Wood & W.L. Wagner, M. cornuta var. decurrens (B.C.Stone) Appelhans, K.R. Wood & W.L. Wagner, M. remyi (Sherff) Appelhans, K.R. Wood & W.L. Wagner, and M. rostrata (Hillebr.) Appelhans, K.R. Wood & W.L. Wagner. An additional species that has been recognized within Platydesma should now be recognized under its original name M. spathulata A. Gray. All Hawaiian species belong to Melicope section Pelea. Our molecular phylogenetic studies also showed that in addition to merging Platydesma into section Pelea, five species described from New Caledonia need to be excluded from the section in order to achieve monophyly of section Pelea.

Mermin-Wagner fluctuations in 2D amorphous solids.

PubMed

Illing, Bernd; Fritschi, Sebastian; Kaiser, Herbert; Klix, Christian L; Maret, Georg; Keim, Peter

2017-02-21

In a recent commentary, J. M. Kosterlitz described how D. Thouless and he got motivated to investigate melting and suprafluidity in two dimensions [Kosterlitz JM (2016) J Phys Condens Matter 28:481001]. It was due to the lack of broken translational symmetry in two dimensions-doubting the existence of 2D crystals-and the first computer simulations foretelling 2D crystals (at least in tiny systems). The lack of broken symmetries proposed by D. Mermin and H. Wagner is caused by long wavelength density fluctuations. Those fluctuations do not only have structural impact, but additionally a dynamical one: They cause the Lindemann criterion to fail in 2D in the sense that the mean squared displacement of atoms is not limited. Comparing experimental data from 3D and 2D amorphous solids with 2D crystals, we disentangle Mermin-Wagner fluctuations from glassy structural relaxations. Furthermore, we demonstrate with computer simulations the logarithmic increase of displacements with system size: Periodicity is not a requirement for Mermin-Wagner fluctuations, which conserve the homogeneity of space on long scales.

Mermin-Wagner fluctuations in 2D amorphous solids

NASA Astrophysics Data System (ADS)

Illing, Bernd; Fritschi, Sebastian; Kaiser, Herbert; Klix, Christian L.; Maret, Georg; Keim, Peter

2017-02-01

In a recent commentary, J. M. Kosterlitz described how D. Thouless and he got motivated to investigate melting and suprafluidity in two dimensions [Kosterlitz JM (2016) J Phys Condens Matter 28:481001]. It was due to the lack of broken translational symmetry in two dimensions—doubting the existence of 2D crystals—and the first computer simulations foretelling 2D crystals (at least in tiny systems). The lack of broken symmetries proposed by D. Mermin and H. Wagner is caused by long wavelength density fluctuations. Those fluctuations do not only have structural impact, but additionally a dynamical one: They cause the Lindemann criterion to fail in 2D in the sense that the mean squared displacement of atoms is not limited. Comparing experimental data from 3D and 2D amorphous solids with 2D crystals, we disentangle Mermin-Wagner fluctuations from glassy structural relaxations. Furthermore, we demonstrate with computer simulations the logarithmic increase of displacements with system size: Periodicity is not a requirement for Mermin-Wagner fluctuations, which conserve the homogeneity of space on long scales.

Mermin–Wagner fluctuations in 2D amorphous solids

PubMed Central

Illing, Bernd; Fritschi, Sebastian; Kaiser, Herbert; Klix, Christian L.; Maret, Georg; Keim, Peter

2017-01-01

In a recent commentary, J. M. Kosterlitz described how D. Thouless and he got motivated to investigate melting and suprafluidity in two dimensions [Kosterlitz JM (2016) J Phys Condens Matter 28:481001]. It was due to the lack of broken translational symmetry in two dimensions—doubting the existence of 2D crystals—and the first computer simulations foretelling 2D crystals (at least in tiny systems). The lack of broken symmetries proposed by D. Mermin and H. Wagner is caused by long wavelength density fluctuations. Those fluctuations do not only have structural impact, but additionally a dynamical one: They cause the Lindemann criterion to fail in 2D in the sense that the mean squared displacement of atoms is not limited. Comparing experimental data from 3D and 2D amorphous solids with 2D crystals, we disentangle Mermin–Wagner fluctuations from glassy structural relaxations. Furthermore, we demonstrate with computer simulations the logarithmic increase of displacements with system size: Periodicity is not a requirement for Mermin–Wagner fluctuations, which conserve the homogeneity of space on long scales. PMID:28137872

Equilibria of perceptrons for simple contingency problems.

PubMed

Dawson, Michael R W; Dupuis, Brian

2012-08-01

The contingency between cues and outcomes is fundamentally important to theories of causal reasoning and to theories of associative learning. Researchers have computed the equilibria of Rescorla-Wagner models for a variety of contingency problems, and have used these equilibria to identify situations in which the Rescorla-Wagner model is consistent, or inconsistent, with normative models of contingency. Mathematical analyses that directly compare artificial neural networks to contingency theory have not been performed, because of the assumed equivalence between the Rescorla-Wagner learning rule and the delta rule training of artificial neural networks. However, recent results indicate that this equivalence is not as straightforward as typically assumed, suggesting a strong need for mathematical accounts of how networks deal with contingency problems. One such analysis is presented here, where it is proven that the structure of the equilibrium for a simple network trained on a basic contingency problem is quite different from the structure of the equilibrium for a Rescorla-Wagner model faced with the same problem. However, these structural differences lead to functionally equivalent behavior. The implications of this result for the relationships between associative learning, contingency theory, and connectionism are discussed.

Advective and Conductive Heat Flow Budget Across the Wagner Basin, Northern Gulf of California

NASA Astrophysics Data System (ADS)

Neumann, F.; Negrete-Aranda, R.; Contreras, J.; Müller, C.; Hutnak, M.; Gonzalez-Fernandez, A.; Harris, R. N.; Sclater, J. G.

2015-12-01

In May 2015, we conducted a cruise across the northern Gulf of California, an area of continental rift basin formation and rapid deposition of sediments. The cruise was undertaken aboard the R/V Alpha Helix; our goal was to study variation in superficial conductive heat flow, lateral changes in the shallow thermal conductivity structure, and advective transport of heat across the Wagner basin. We used a Fielax heat flow probe with 22 thermistors that can penetrate up to 6 m into the sediment cover. The resulting data set includes 53 new heat flow measurements collected along three profiles. The longest profile (42 km) contains 30 measurements spaced 1-2 km apart. The western part of the Wagner basin (hanging wall block) exhibit low to normal conductive heat flow whereas the eastern part of the basin (foot wall block) heat flow is high to very high (up to 2500 mWm-2). Two other short profiles (12 km long each) focused on resolving an extremely high heat flow anomaly up to 15 Wm-2 located near the intersection between the Wagner bounding fault system and the Cerro Prieto fault. We hypothesize that the contrasting heat flow values observed across the Wagner basin are due to horizontal water circulation through sand layers and fault pathways of high permeability. Circulation appears to be from west (recharge zone) to east (discharge zone). Additionally, our results reveal strong vertical advection of heat due to dehydration reactions and compaction of fine grained sediments.

Dissolved black carbon in the global cryosphere: Concentrations and chemical signatures

NASA Astrophysics Data System (ADS)

Khan, Alia L.; Wagner, Sasha; Jaffe, Rudolf; Xian, Peng; Williams, Mark; Armstrong, Richard; McKnight, Diane

2017-06-01

Black carbon (BC) is derived from the incomplete combustion of biomass and fossil fuels and can enhance glacial recession when deposited on snow and ice surfaces. Here we explore the influence of environmental conditions and the proximity to anthropogenic sources on the concentration and composition of dissolved black carbon (DBC), as measured by benzenepolycaroxylic acid (BPCA) markers, across snow, lakes, and streams from the global cryosphere. Data are presented from Antarctica, the Arctic, and high alpine regions of the Himalayas, Rockies, Andes, and Alps. DBC concentrations spanned from 0.62 μg/L to 170 μg/L. The median and (2.5, 97.5) quantiles in the pristine samples were 1.8 μg/L (0.62, 12), and nonpristine samples were 21 μg/L (1.6, 170). DBC is susceptible to photodegradation when exposed to solar radiation. This process leads to a less condensed BPCA signature. In general, DBC across the data set was composed of less polycondensed DBC. However, DBC from the Greenland Ice Sheet (GRIS) had a highly condensed BPCA molecular signature. This could be due to recent deposition of BC from Canadian wildfires. Variation in DBC appears to be driven by a combination of photochemical processing and the source combustion conditions under which the DBC was formed. Overall, DBC was found to persist across the global cryosphere in both pristine and nonpristine snow and surface waters. The high concentration of DBC measured in supraglacial melt on the GRIS suggests that DBC can be mobilized across ice surfaces. This is significant because these processes may jointly exacerbate surface albedo reduction in the cryosphere.