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Transmissivity of the Upper Floridan aquifer in Florida and parts of Georgia, South Carolina, and Alabama
Eve L. Kuniansky, Jason C. Bellino, Joann F. Dixon
2012, Scientific Investigations Map 3204
The Floridan aquifer system (FAS) covers an area of approximately 100,000 square miles in Florida and parts of Georgia, South Carolina, Alabama, and Mississippi. Groundwater wells for water supply were first drilled in the late 1800s and by the year 2000, the FAS was the primary source of drinking water...
Effects of Iron Gate Dam discharge and other factors on the survival and migration of juvenile coho salmon in the lower Klamath River, northern California, 2006-09
John Beeman, Steven Juhnke, Greg Stutzer, Katrina Wright
2012, Open-File Report 2012-1067
Current management of the Klamath River includes prescribed minimum discharges intended partly to increase survival of juvenile coho salmon during their seaward migration in the spring. To determine if fish survival was related to river discharge, we estimated apparent survival and migration rates of yearling coho salmon in the Klamath...
An estimate of undiscovered conventional oil and gas resources of the world, 2012
Christopher J. Schenk
2012, Fact Sheet 2012-3042
Using a geology-based assessment methodology, the U.S. Geological Survey estimated means of 565 billion barrels of conventional oil and 5,606 trillion cubic feet of undiscovered conventional natural gas in 171 priority geologic provinces of the world, exclusive of the United States....
Migration rates and formation injectivity to determine containment time scales of sequestered carbon dioxide
Lauri Burke
2012, Open-File Report 2012-1062
Supercritical carbon dioxide exhibits highly variable behavior over a range of reservoir pressure and temperature conditions. Because geologic sequestration of supercritical carbon dioxide is targeted for subsurface injection and containment at depths ranging from approximately 3,000 to 13,000 feet, the investigation into the physical properties of this fluid can be...
USGS Hydro-Climatic Data Network 2009 (HCDN-2009)
Harry F. Lins
2012, Fact Sheet 2012-3047
The U.S. Geological Survey's (USGS) Hydro-Climatic Data Network (HCDN) is a subset of all USGS streamgages for which the streamflow primarily reflects prevailing meteorological conditions for specified years. These stations were screened to exclude sites where human activities, such as artificial diversions, storage, and other activities in the drainage basin...
Site choice among Minnesota walleye anglers: The influence of resource conditions, regulations and catch orientation on Lake Preference
Caroline Carlin, Susan A. Schroeder, David C. Fulton
2012, North American Journal of Fisheries Management (32) 299-312
Understanding angler site choice preferences is important in the management of recreational fisheries to forecast angling demand and effort. This study investigated lake choice by recreational anglers fishing for walleye Sander vitreus in Minnesota and examined how choices were influenced by lake characteristics, angler demographics, and angler catch orientation. We collected data...
Total dissolved gas and water temperature in the lower Columbia River, Oregon and Washington, water year 2011: Quality-assurance data and comparison to water-quality standards
Dwight Q. Tanner, Heather M. Bragg, Matthew W. Johnston
2012, Open-File Report 2011-1300
Significant Findings Air is entrained in water as it is flows through the spillways of dams, which causes an increase in the concentration of total dissolved gas in the water downstream from the dams. The elevated concentrations of total dissolved gas can adversely affect fish and other freshwater aquatic life. An...
Protocols for collection of streamflow, water-quality, streambed-sediment, periphyton, macroinvertebrate, fish, and habitat data to describe stream quality for the Hydrobiological Monitoring Program, Equus Beds Aquifer Storage and Recovery Program, city of Wichita, Kansas
Mandy L. Stone, Teresa J. Rasmussen, Trudy J. Bennett, Barry C. Poulton, Andrew C. Ziegler
2012, Open-File Report 2012-1055
The city of Wichita, Kansas uses the Equus Beds aquifer, one of two sources, for municipal water supply. To meet future water needs, plans for artificial recharge of the aquifer have been implemented in several phases. Phase I of the Equus Beds Aquifer Storage and Recovery (ASR) Program began with...
Sediment cores and chemistry for the Kootenai River White Sturgeon Habitat Restoration Project, Boundary County, Idaho
Gary J. Barton, Rhonda J. Weakland, Ryan L. Fosness, Stephen E. Cox, Marshall L. Williams
2012, Scientific Investigations Report 2011-5006
The Kootenai Tribe of Idaho, in cooperation with local, State, Federal, and Canadian agency co-managers and scientists, is assessing the feasibility of a Kootenai River habitat restoration project in Boundary County, Idaho. This project is oriented toward recovery of the endangered Kootenai River white sturgeon (Acipenser transmontanus) population, and simultaneously...
Evaluating release alternatives for a long-lived bird species under uncertainty about long-term demographic rates
Clinton T. Moore, Sarah J. Converse, Martin J. Folk, Michael C. Runge, Stephen A. Nesbitt
2012, Journal of Ornithology (152) 339-353
The release of animals to reestablish an extirpated population is a decision problem that is often attended by considerable uncertainty about the probability of success. Annual releases of captive-reared juvenile Whooping Cranes (Grus americana) were begun in 1993 in central Florida, USA, to establish a breeding, non-migratory population. Over a...
Bayesian analysis of multi-state data with individual covariates for estimating genetic effects on demography
Sarah J. Converse, J. Andrew Royle, Richard P. Urbanek
2012, Journal of Ornithology (152) 561-572
Inbreeding depression is frequently a concern of managers interested in restoring endangered species. Decisions to reduce the potential for inbreeding depression by balancing genotypic contributions to reintroduced populations may exact a cost on long-term demographic performance of the population if those decisions result in reduced numbers of animals released and/or...
Assessment of toxicity and potential risk of the anticoagulant rodenticide diphacinone using Eastern screech-owls (Megascops asio)
Barnett A. Rattner, Katherine E. Horak, Rebecca S. Lazarus, Karen M. Eisenreich, Carol U. Meteyer, Steven F. Volker, Christopher M. Campton, John D. Eisemann, John J. Johnston
2012, Ecotoxicology (21) 832-846
In the United States, new regulatory restrictions have been placed on the use of some second-generation anticoagulant rodenticides. This action may be offset by expanded use of first-generation compounds (e.g., diphacinone; DPN). Single-day acute oral exposure of adult Eastern screech-owls (Megascops asio) to DPN evoked overt signs of intoxication, coagulopathy,...
Immunity to fish rhabdoviruses
Maureen K. Purcell, Kerry J. Laing, James R. Winton
2012, Viruses (4) 140-166
Members of the family Rhabdoviridae are single-stranded RNA viruses and globally important pathogens of wild and cultured fish and thus relatively well studied in their respective hosts or other model systems. Here, we review the protective immune mechanisms that fish mount in response to rhabdovirus infections. Teleost fish possess the...
Parameter-expanded data augmentation for Bayesian analysis of capture-recapture models
J. Andrew Royle, Robert M. Dorazio
2012, Journal of Ornithology (152) 521-537
Data augmentation (DA) is a flexible tool for analyzing closed and open population models of capture-recapture data, especially models which include sources of hetereogeneity among individuals. The essential concept underlying DA, as we use the term, is based on adding "observations" to create a dataset composed of a known number...
A climate trend analysis of Ethiopia
Christopher C. Funk, Jim Rowland, Gary Eilerts, Emebet Kebebe, Nigist Biru, Libby White, Gideon Galu
2012, Fact Sheet 2012-3053
This brief report, drawing from a multi-year effort by the U.S. Agency for International Development (USAID) Famine Early Warning Systems Network (FEWS NET), examines recent trends in March-June, June-September, and March-September rainfall and temperature, identifying significant reductions in rainfall and increases in temperature over time in many areas of Ethiopia....
Geologic framework, regional aquifer properties (1940s-2009), and spring, creek, and seep properties (2009-10) of the upper San Mateo Creek Basin near Mount Taylor, New Mexico
Jeff B. Langman, Jesse E. Sprague, Roger A. Durall
2012, Scientific Investigations Report 2012-5019
The U.S. Geological Survey, in cooperation with the U.S. Forest Service, examined the geologic framework, regional aquifer properties, and spring, creek, and seep properties of the upper San Mateo Creek Basin near Mount Taylor, which contains areas proposed for exploratory drilling and possible uranium mining on U.S. Forest Service land....
Origins of invasive piscivores determined from the strontium isotope ratio (87Sr/86Sr) of otoliths
Brian A. Wolff, Brett M. Johnson, Andre R. Breton, Patrick J. Martinez, Dana L. Winkelman, Bronwyn Gillanders
2012, Canadian Journal of Fisheries and Aquatic Sciences (69) 724-739
We examined strontium isotope ratios (87Sr/86Sr) in fish otoliths to determine the origins of invasive piscivores in the Upper Colorado River Basin (UCRB, western USA). We examined 87Sr/86Sr from fishes in different reservoirs, as well as the temporal stability and interspecies variability of 87Sr/86Sr of fishes within reservoirs, determined if...
Temporal and spatial patterns in wind stress and wind stress curl over the central Southern California Bight
Marlene A. Noble, Kurt J. Rosenberger, Leslie K. Rosenfeld, George L. Robertson
2012, Continental Shelf Research (38) 98-109
In 2001, the U.S. Geological Survey, together with several other federal and municipal agencies, began a series of field programs to determine along and cross-shelf transport patterns over the continental shelves in the central Southern California Bight. As a part of these programs, moorings that monitor winds were deployed off...
Hydrologic, water-quality, and biological characteristics of the North Fork Flathead River, Montana, water years 2007-2008
Taylor J. Mills, E. William Schweiger, M. Alisa Mast, David W. Clow
2012, Scientific Investigations Report 2011-5221
In water year 2007, the U.S. Geological Survey, in cooperation with the National Park Service, began a 2-year study to collect hydrologic, water-quality, and biological data to provide a baseline characterization of the North Fork Flathead River from the United States-Canada border to its confluence with the Middle Fork of...
Foraging ecology of least terns and piping plovers nesting on Central Platte River sandpits and sandbars
Mark H. Sherfy, Michael J. Anteau, Terry L. Shaffer, Marsha A. Sovada, Jennifer H. Stucker
2012, Open-File Report 2012-1059
Federally listed least terns (Sternula antillarum) and piping plovers (Charadrius melodus) nest on riverine sandbars on many major midcontinent river systems. On the Central Platte River, availability of sandbar habitat is limited, and both species nest on excavated sandpits in the river's floodplain. However, the extent to which sandpit-nesting birds...
Geochemical and hydrologic data for San Marcos Springs recharge characterization near San Marcos, Texas, November 2008--December 2010
Cassi L. Crow
2012, Data Series 672
During 2008–10, the U.S. Geological Survey, in cooperation with the San Antonio Water System, collected geochemical and hydrologic data in Bexar, Comal, and Hays Counties, Texas, to define and characterize the sources of recharge to San Marcos Springs. Precipitation samples were collected for stable isotope analysis at 1 site and...
Integration of new geologic mapping and satellite-derived quartz mapping yields insights into the structure of the Roberts Mountains allochthon applicable to assessments for concealed Carlin-type gold deposits
Christopher S. Holm-Denoma, Albert H. Hofstra, Barnaby W. Rockwell, Paula J. Noble
2012, Scientific Investigations Report 2012-5058
Geologic mapping and remote sensing across north-central Nevada enable recognition of a thick sheet of Middle and Upper Ordovician Valmy Formation quartzite that structurally overlies folded and faulted Ordovician through Devonian stratigraphic units of the Roberts Mountains allochthon. In the northern Independence Mountains and nearby Double Mountain area, the Valmy...
Computing discharge using the index velocity method
Victor A. Levesque, Kevin A. Oberg
2012, Techniques and Methods 3-A23
Application of the index velocity method for computing continuous records of discharge has become increasingly common, especially since the introduction of low-cost acoustic Doppler velocity meters (ADVMs) in 1997. Presently (2011), the index velocity method is being used to compute discharge records for approximately 470 gaging stations operated and maintained...
Combining lake and watershed characteristics with Landsat TM data for remote estimation of regional lake clarity
Ian M. McCullough, Cyndy Loftin, Steven A. Sader
2012, Remote Sensing of Environment (123) 109-115
Water clarity is a reliable indicator of lake productivity and an ideal metric of regional water quality. Clarity is an indicator of other water quality variables including chlorophyll-a, total phosphorus and trophic status; however, unlike these metrics, clarity can be accurately and efficiently estimated remotely on a regional scale. Remote...
Advancing global marine biogeography research with open-source GIS software and cloud-computing
Ei Fujioka, Edward Vanden Berghe, Ben Donnelly, Julio Castillo, Jesse Cleary, Chris Holmes, Sean McKnight, patrick Halpin
2012, Transactions in GIS (16) 143-160
Across many scientific domains, the ability to aggregate disparate datasets enables more meaningful global analyses. Within marine biology, the Census of Marine Life served as the catalyst for such a global data aggregation effort. Under the Census framework, the Ocean Biogeographic Information System was established to coordinate an unprecedented aggregation...