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Page 1579, results 39451 - 39475

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Reformatted data sets used in the Cooperative LACSD/USGS Palos Verdes Flow Study, 2000--2008
Todd Anderson, Kurt J. Rosenberger, Anne L. Gartner
2012, Open-File Report 2010-1253
Beginning in 1997, the Environmental Protection Agency (EPA) defined a contaminated section of the Palos Verdes shelf in southern California as a Superfund site, initiating a continuing investigation of this area. A number of agencies, including the EPA, U.S. Geological Survey (USGS), and Science Applications International Corporation (SAIC), conducted two...
Groundwater-well data of San Miguel County, New Mexico, 1970-2010
Anne Marie Matherne, Anne M. Stewart
2012, Data Series 686
The hydrologic resources of San Miguel County, New Mexico, are increasingly relied upon to meet growing domestic, livestock, and agricultural needs. The U.S. Geological Survey, in cooperation with San Miguel County, conducted a study during 2010-11 to assess current publicly available information regarding the hydrologic resources of San Miguel County....
Water resources of Allen Parish
Lawrence B. Prakken, Jason M. Griffith, Robert B. Fendick Jr.
2012, Fact Sheet 2012-3064
In 2005, approximately 29.2 million gallons per day (Mgal/d) of water were withdrawn in Allen Parish, Louisiana, including about 26.8 Mgal/d from groundwater sources and 2.45 Mgal/d from surface-water sources. Rice irrigation accounted for 74 percent (21.7 Mgal/d) of the total water withdrawn. Other categories of use included public supply,...
Water-quality data from semipermeable-membrane devices and polar organic chemical integrative samplers deployed in the McKenzie River basin, Oregon
Kathleen A. McCarthy, David A. Alvarez
2012, Data Series 692
Two types of passive samplers—the semipermeable membrane device (SPMD) and the polar organic chemical integrative sampler (POCIS)—are being used to collect data from the McKenzie River, Oregon. The McKenzie River is the source of drinking water for the City of Eugene, Oregon, and passive-sampler data are part of an ongoing...
Use of a storm water retention system for conservation of regionally endangered fishes
Jeffrey S. Schaeffer, James K. Bland, John Janssen
2012, Fisheries (37) 66-75
Maintaining aquatic biodiversity in urban or suburban areas can be problematic because urban landscapes can be nearly devoid of aquatic habitats other than engineered basins for storm water management. These areas are usually of questionable value for fish, but we examined a case study in which five regionally imperiled fish...
Severe maxillary osteomyelitis in a Gray Wolf (Canis lupus)
Shannon Barber-Meyer
2012, Canadian Field-Naturalist (126) 238-241
Whereas dental injuries and abnormalities have been documented in Gray Wolves (Canis lupus), severe maxillary necrosis has not previously been implicated in a Gray Wolf fatality. Here I report maxillary osteomyelitis in a wild Gray Wolf from northeastern Minnesota of such severity that I hypothesize it ultimately led to death...
Shifting balance of thermokarst lake ice regimes across the Arctic Coastal Plain of northern Alaska
Christopher D. Arp, Benjamin M. Jones, Zong Lu, Matthew S. Whitman
2012, Geophysical Research Letters (39)
The balance of thermokarst lakes with bedfast- and floating-ice regimes across Arctic lowlands regulates heat storage, permafrost thaw, winter-water supply, and over-wintering aquatic habitat. Using a time-series of late-winter synthetic aperture radar (SAR) imagery to distinguish lake ice regimes in two regions of the Arctic Coastal Plain of northern Alaska...
Distribution of Cu, Co, As, and Fe in mine waste, sediment, soil, and water in and around mineral deposits and mines of the Idaho Cobalt Belt, USA
John E. Gray, Robert G. Eppinger
2012, Applied Geochemistry (27) 1053-1062
The distribution of Cu, Co, As and Fe was studied downstream from mines and deposits in the Idaho Cobalt Belt (ICB), the largest Co resource in the USA. To evaluate potential contamination in ecosystems in the ICB, mine waste, stream sediment, soil, and water were collected and analyzed for Cu,...
Modeling thermal dynamics of active layer soils and near-surface permafrost using a fully coupled water and heat transport model
Yueyang Jiang, Qianlai Zhuang, Jonathan A. O’Donnell
2012, Journal of Geophysical Research D: Atmospheres (117)
Thawing and freezing processes are key components in permafrost dynamics, and these processes play an important role in regulating the hydrological and carbon cycles in the northern high latitudes. In the present study, we apply a well-developed soil thermal model that fully couples heat and water transport, to simulate the...
Scaling the Teflon Peaks: Rock type and the generation of extreme relief in the glaciated western Alaska Range
Dylan J. Ward, Robert S. Anderson, Peter J. Haeussler
2012, Journal of Geophysical Research F: Earth Surface (117)
Parts of the Alaska Range (Alaska, USA) stand in prominent exception to the “glacial buzzsaw hypothesis,” which postulates that terrain raised above the ELA is rapidly denuded by glaciers. In this paper, we discuss the role of a strong contrast in rock type in the development of this exceptional terrain....
Effects of sulfate ligand on uranyl carbonato surface species on ferrihydrite surfaces
Yuji Arai, C. C. Fuller
2012, Journal of Colloid and Interface Science (365) 268-274
Understanding uranium (U) sorption processes in permeable reactive barriers (PRB) are critical in modeling reactive transport for evaluating PRB performance at the Fry Canyon demonstration site in Utah, USA. To gain insight into the U sequestration mechanism in the amorphous ferric oxyhydroxide...
Hybrid-optimization algorithm for the management of a conjunctive-use project and well field design
Yung-Chia Chiu, Tracy Nishikawa, Peter Martin
2012, Ground Water (50) 103-117
Hi-Desert Water District (HDWD), the primary water-management agency in the Warren Groundwater Basin, California, plans to construct a waste water treatment plant to reduce future septic-tank effluent from reaching the groundwater system. The treated waste water will be reclaimed by recharging the groundwater basin via recharge ponds as part of...
Anisotropic models to account for large borehole washouts to estimate gas hydrate saturations in the Gulf of Mexico Gas Hydrate Joint Industry Project Leg II Alaminos 21 B well
Myung W. Lee, T. S. Collett, K.A. Lewis
2012, Marine and Petroleum Geology (34) 85-95
Through the use of 3-D seismic amplitude mapping, several gashydrate prospects were identified in the Alaminos Canyon (AC) area of the Gulf of Mexico. Two locations were drilled as part of the Gulf of MexicoGasHydrate Joint Industry Project Leg II (JIP Leg II) in May of 2009 and a comprehensive...
Use of a seismic air gun to reduce survival of nonnative lake trout embryos: A tool for conservation?
B.S. Cox, A.M. Dux, M.C. Quist, C.S. Guy
2012, North American Journal of Fisheries Management (32) 292-298
The detrimental impacts of nonnative lake trout Salvelinus namaycush in the western USA have prompted natural resource management agencies in several states to implement lake trout suppression programs. Currently, these programs rely on mechanical removal methods (i.e., gill nets, trap nets, and angling) to capture subadult and adult lake trout....
Chiral pesticides: Identification, description, and environmental implications
Elin M. Ulrich, Candice N. Morrison, Michael R. Goldsmith, William T. Foreman
2012, Archives of Environmental Contamination and Toxicology (217) 1-74
Anthropogenic chemicals, including pesticides, are a major source of contamination and pollution in the environment. Pesticides have many positive uses: increased food production, decreased damage to crops and structures, reduced disease vector populations, and more. Nevertheless, pesticide exposure can pose risks to humans and the environment, so various mitigation strategies...
Playa-lake sedimentation and organic matter accumulation in an Andean piggyback basin: The recent record from the Cuenca de Pozuelos, NW Argentina
Michael M. McGlue, Geoffrey S Ellis, Andrew S. Cohen, Peter W Swarzenski
2012, Sedimentology (59) 1237-1256
Expansive playa‐lake systems situated in high‐altitude piggyback basins are important and conspicuous components of both modern and ancient cordilleran orogenic systems. Extant playa lakes provide vital habitat for numerous endemic species, whereas sediments from these deposystems may record signals of climate change or develop natural resources over geological time. Laguna...
Aftershock seismicity of the 2010 Maule Mw=8.8 Chile, earthquake: Correlation between co-seismic slip models and aftershock distribution?
A. Rietbrock, I. Ryder, G. Hayes, C. Haberland, D. Comte, S. Roecker
2012, Geophysical Research Letters (39)
The 27 February 2010 Maule, Chile (Mw=8.8) earthquake is one of the best instrumentally observed subduction zone megathrust events. Here we present locations, magnitudes and cumulative equivalent moment of the first -2 months of aftershocks, recorded on a temporary network deployed within 2 weeks of the occurrence of the mainshock....
A common-garden study of resource-island effects on a native and an exotic, annual grass after fire
Amber N. Hoover, Matthew J. Germino
2012, Rangeland Ecology and Management (65) 160-170
Plant-soil variation related to perennial-plant resource islands (coppices) interspersed with relatively bare interspaces is a major source of heterogeneity in desert rangelands. Our objective was to determine how native and exotic grasses vary on coppice mounds and interspaces (microsites) in unburned and burned sites and underlying factors that contribute to...
Incorporating climate change into systematic conservation planning
Craig R. Groves, Edward T. Game, Mark G. Anderson, Molly Cross, Carolyn Enquist, Zach Ferdana, Evan Girvetz, Anne Gondor, Kimberly R. Hall, Jonathan Higgins, Rob Marshall, Ken Popper, Steve Schill, Sarah L. Shafer
2012, Biodiversity and Conservation (21) 1651-1671
The principles of systematic conservation planning are now widely used by governments and non-government organizations alike to develop biodiversity conservation plans for countries, states, regions, and ecoregions. Many of the species and ecosystems these plans were designed to conserve are now being affected by climate change, and there is a...
Plague
Rachel C. Abbott, Tonie E. Rocke
2012, Circular 1372
Plague offers readers an overview of this highly complex disease caused by the bacteria Yersinia pestis. The history of the disease, as well as information about Yersinia pestis and its transmission by fleas, is described. The section Geographic Distribution presents areas of the world and United States where plague occurs...
Hydrogeology, water chemistry, and transport processes in the zone of contribution of a public-supply well in Albuquerque, New Mexico, 2007-9
Laura M. Bexfield, Bryant C. Jurgens, Dianna M. Crilley, Scott C. Christenson
2012, Scientific Investigations Report 2011-5182
The National Water-Quality Assessment Program (NAWQA) of the U.S. Geological Survey began a series of groundwater studies in 2001 in representative aquifers across the Nation in order to increase understanding of the factors that affect transport of anthropogenic and natural contaminants (TANC) to public-supply wells. One of 10 regional-scale TANC...
The Novarupta-Katmai eruption of 1912 - largest eruption of the twentieth century; centennial perspectives
Wes Hildreth, Judy Fierstein
2012, Professional Paper 1791
The explosive outburst at Novarupta (Alaska) in June 1912 was the 20th century's most voluminous volcanic eruption. Marking its centennial, we illustrate and document the complex eruptive sequence, which was long misattributed to nearby Mount Katmai, and how its deposits have provided key insights about volcanic and magmatic processes. It...
A multi-year analysis of spillway survival for juvenile salmonids as a function of spill bay operations at McNary Dam, Washington and Oregon, 2004-09
Noah S. Adams, Hal C. Hansel, Russell W. Perry, Scott D. Evans
2012, Open-File Report 2012-1125
We analyzed 6 years (2004-09) of passage and survival data collected at McNary Dam to examine how spill bay operations affect survival of juvenile salmonids passing through the spillway at McNary Dam. We also examined the relations between spill bay operations and survival through the juvenile fish bypass in an...