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Page 1462, results 36526 - 36550

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Not all publications have extents, not all extents are completely accurate
Assessment of undiscovered oil resources in the Bakken and Three Forks Formations, Williston Basin Province, Montana, North Dakota, and South Dakota, 2013
Stephanie B. Gaswirth, Kristen R. Marra, Troy A. Cook, Ronald R. Charpentier, Donald L. Gautier, Debra K. Higley, Timothy R. Klett, Michael D. Lewan, Paul G. Lillis, Christopher J. Schenk, Marilyn E. Tennyson, Katherine J. Whidden
2013, Fact Sheet 2013-3013
Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered volumes of 7.4 billion barrels of oil, 6.7 trillion cubic feet of associated/dissolved natural gas, and 0.53 billion barrels of natural gas liquids in the Bakken and Three Forks Formations in the Williston Basin Province of Montana, North...
Community-based water-quality monitoring in the Yukon River Basin and the Kuskokwim Watershed
Nicole M. Herman-Mercer
2013, Witness the Arctic (2)
The unique partnership between the USGS and the YRITWC provides mutual benefits by fostering outreach efforts that have been essential for community empowerment and by generating scientific data for prohibitively large and remote regions that would be challenging for USGS scientists to sample as robustly alone. The addition of a...
Water temperature and baseflow discharge of streams throughout the range of Rio Grande cutthroat trout in Colorado and New Mexico—2010 and 2011
Matthew P. Zeigler, Andrew S. Todd, Colleen A. Caldwell
2013, Open-File Report 2013-1051
This study characterized the thermal regime in a number of Colorado and New Mexico streams that contain populations of Rio Grande cutthroat trout (Oncorhynchus clarkii virginalis) and had no previous record of continual temperature records. When compared to Colorado’s water temperature criteria (Cold Tier 1), a portion of these populations...
Estimates of future inundation of salt marshes in response to sea-level rise in and around Acadia National Park, Maine
Martha G. Nielsen, Robert W. Dudley
2013, Scientific Investigations Report 2012-5290
Salt marshes are ecosystems that provide many important ecological functions in the Gulf of Maine. The U.S. Geological Survey investigated salt marshes in and around Acadia National Park from Penobscot Bay to the Schoodic Peninsula to map the potential for landward migration of marshes using a static inundation model of...
Review of selected global mineral industries in 2011 and an outlook to 2017
W. David Menzie, Yadira Soto-Viruet, Omayra Bermudez-Lugo, Philip M. Mobbs, Alberto Alexander Perez, Mowafa Taib, Susan Wacaster, Staff
2013, Open-File Report 2013-1091
This report reviews the world production of selected mineral commodities in 2011 and includes output projections (based on planned capacity expansions) through 2017. It also includes brief discussions of several issues that are of importance to the mineral sector, including the world economy, the availability of strategic minerals, significant company...
Evidence for fluid-triggered slip in the 2009 Mount Rainier, Washington earthquake swarm
David R. Shelly, Seth C. Moran, Weston A. Thelen
2013, Geophysical Research Letters (40) 1506-1512
A vigorous swarm of over 1000 small, shallow earthquakes occurred 20–22 September 2009 beneath Mount Rainier, Washington, including the largest number of events ever recorded in a single day at Rainier since seismic stations were installed on the edifice in 1989. Many events were only clearly recorded on one or...
Salmonids, stream temperatures, and solar loading--modeling the shade provided to the Klamath River by vegetation and geomorphology
William M. Forney, Christopher E. Soulard, C. Christopher Chickadel
2013, Scientific Investigations Report 2013-5022
The U.S. Geological Survey is studying approaches to characterize the thermal regulation of water and the dynamics of cold water refugia. High temperatures have physiological impacts on anadromous fish species. Factors affecting the presence, variability, and quality of thermal refugia are known, such as riverine and watershed processes, hyporheic flows,...
Water temperatures in select nearshore environments of the Colorado River in Grand Canyon, Arizona, during the Low Steady Summer Flow experiment of 2000
William S. Vernieu, Craig R. Anderson
2013, Open-File Report 2013-1066
Water releases from Glen Canyon Dam, Arizona, are the primary determinant of streamflow, sediment transport, water quality, and aquatic and riparian habitat availability in the Colorado River downstream of the dam in Grand Canyon. The presence and operation of the dam have transformed the seasonally warm Colorado River into a...
Mount St. Helens, 1980 to now—what’s going on?
Daniel Dzurisin, Carolyn L. Driedger, Lisa M. Faust
2013, Fact Sheet 2013-3014, version 1.1
Mount St. Helens seized the world’s attention in 1980 when the largest historical landslide on Earth and a powerful explosive eruption reshaped the volcano, created its distinctive crater, and dramatically modified the surrounding landscape. An enormous lava dome grew episodically in the crater until 1986, when the volcano became relatively...
A new data set for estimating organic carbon storage to 3 m depth in soils of the northern circumpolar permafrost region
G. Hugelius, James G. Bockheim, P. Camill, B. Elberling, G. Grosse, J.W. Harden, Kevin Johnson, T. Jorgenson, C.D. Koven, P. Kuhry, G. Michaelson, U. Mishra, J. Palmtag, C.-L. Ping, J. O'Donnell, L. Schirrmeister, E.A.G. Schuur, Y. Sheng, L.C. Smith, J. Strauss, Z. Yu
2013, Earth System Science Data (5) 393-402
High-latitude terrestrial ecosystems are key components in the global carbon cycle. The Northern Circumpolar Soil Carbon Database (NCSCD) was developed to quantify stocks of soil organic carbon (SOC) in the northern circumpolar permafrost region (a total area of 18.7 × 106 km2). The NCSCD is a geographical information system (GIS)...
Differential regulation of sodium-potassium pump isoforms during smolt development and seawater exposure of Atlantic salmon
Stephen D. McCormick, Amy M. Regish, Arne K. Christensen, Björn Thrandur Björnsson
2013, Journal of Experimental Biology (216) 1142-1151
Freshwater and seawater isoforms of the alpha subunit of Na+/K+-ATPase (NKA) have previously been identified in gill ionocytes of Atlantic salmon (Salmo salar). In the present study we examine the abundance and cellular localization of these isoforms during the parr–smolt transformation, a developmental process that is preparatory for seawater entry....
Influence of temperature on viral hemorrhagic septicemia (Genogroup IVa) in Pacific herring, Clupea pallasii Valenciennes
P.K. Hershberger, M. K. Purcell, L.M. Hart, J.L. Gregg, R.L. Thompson, K.A. Garver, J. R. Winton
2013, Journal of Experimental Marine Biology and Ecology (444) 81-86
An inverse relationship between water temperature and susceptibility of Pacific herring (Clupea pallasii) to viral hemorrhagic septicemia, genogroup IVa (VHS) was indicated by controlled exposure studies where cumulative mortalities, viral shedding rates, and viral persistence in survivors were greatest at the coolest exposure temperatures. Among groups of specific pathogen-free (SPF)...
Expression kinetics of key genes in the early innate immune response to Great Lakes viral hemorrhagic septicemia virus IVb infection in yellow perch (Perca flavescens)
Wendy Olson, Eveline Emmenegger, Jolene Glenn, Crystal Simchick, Jim Winton, Frederick Goetz
2013, Developmental and Comparative Immunology (41) 11-19
The recently discovered strain of viral hemorrhagic septicemia virus, VHSV-IVb, represents an example of the introduction of an extremely pathogenic rhabdovirus capable of infecting a wide variety of new fish species in a new host-environment. The goal of the present study was to delineate the expression kinetics of key genes...
Landsat ecosystem disturbance adaptive processing system (LEDAPS) algorithm description
Gail Schmidt, Calli B. Jenkerson, Jeffrey Masek, Eric Vermote, Feng Gao
2013, Open-File Report 2013-1057
The Landsat Ecosystem Disturbance Adaptive Processing System (LEDAPS) software was originally developed by the National Aeronautics and Space Administration–Goddard Space Flight Center and the University of Maryland to produce top-of-atmosphere reflectance from LandsatThematic Mapper and Enhanced Thematic Mapper Plus Level 1 digital numbers and to apply atmospheric corrections to generate...
Differential mercury transfer in the aquatic food web of a double basined lake associated with selenium and habitat
Marina Arcagni, Linda Campbell, Maria A. Arribere, Mark Marvin-DiPasquale, Andrea Rizzo, Sergio Ribeiro Guevara
2013, Science of the Total Environment (454-455) 170-180
Food web trophodynamics of total mercury (THg) and selenium (Se) were assessed for the double-basined ultraoligotrophic system of Lake Moreno, Patagonia. Each basin has differing proportions of littoral and pelagic habitats, thereby providing an opportunity to assess the importance of habitat (e.g. food web structure or benthic MeHg production) in...
Development and evaluation of a bioenergetics model for bull trout
Matthew G. Mesa, Lisa K. Welland, Helena E. Christiansen, Sally T. Sauter, David A. Beauchamp
2013, Transactions of the American Fisheries Society (142) 41-49
We conducted laboratory experiments to parameterize a bioenergetics model for wild Bull Trout Salvelinus confluentus, estimating the effects of body mass (12–1,117 g) and temperature (3–20°C) on maximum consumption (C max) and standard metabolic rates. The temperature associated with the highest C max was 16°C, and C max showed the...
Estimating floodplain sedimentation in the Laguna de Santa Rosa, Sonoma County, CA
Jennifer A. Curtis, Lorraine E. Flint, Cliff R. Hupp
2013, Wetlands (33) 29-45
We present a conceptual and analytical framework for predicting the spatial distribution of floodplain sedimentation for the Laguna de Santa Rosa, Sonoma County, CA. We assess the role of the floodplain as a sink for fine-grained sediment and investigate concerns regarding the potential loss of flood storage capacity due to...
Detecting unfrozen sediments below thermokarst lakes with surface nuclear magnetic resonance
Andrew D. Parsekian, Guido Grosse, Jan O. Walbrecker, Mike Muller-Petke, Kristina Keating, Lin Liu, Benjamin M. Jones, Rosemary Knight
2013, Geophysical Research Letters (40) 535-540
A talik is a layer or body of unfrozen ground that occurs in permafrost due to an anomaly in thermal, hydrological, or hydrochemical conditions. Information about talik geometry is important for understanding regional surface water and groundwater interactions as well as sublacustrine methane production in thermokarst lakes. Due to the...
Bench-top validation testing of selected immunological and molecular Renibacterium salmoninarum diagnostic assays by comparison with quantitative bacteriological culture
D.G. Elliott, L.J. Applegate, A.L. Murray, M. K. Purcell, C.L. McKibben
2013, Journal of Fish Diseases (36) 779-809
No gold standard assay exhibiting error-free classification of results has been identified for detection of Renibacterium salmoninarum, the causative agent of salmonid bacterial kidney disease. Validation of diagnostic assays for R. salmoninarum has been hindered by its unique characteristics and biology, and difficulties in locating suitable populations of reference test animals....
Tidal flow dynamics and background fluorescence of the Atlantic Intracoastal Waterway in the vicinity of Sullivan’s Island and the Isle of Palms, South Carolina, 2011-12
Paul Conrads, Celeste A. Journey, Jimmy M. Clark, Victor A. Levesque
2013, Open-File Report 2013-1077
To effectively plan site-specific studies to understand the connection between wastewater effluent and shellfish beds, data are needed concerning flow dynamics and background fluorescence in the Atlantic Intracoastal Waterway near the effluent outfalls on Sullivan’s Island and the Isle of Palms. Tidal flows were computed by the U.S. Geological Survey...
Numerical simulation of groundwater and surface-water interactions in the Big River Management Area, central Rhode Island
John P. Masterson, Gregory E. Granato
2013, Scientific Investigations Report 2012-5077
The Rhode Island Water Resources Board is considering use of groundwater resources from the Big River Management Area in central Rhode Island because increasing water demands in Rhode Island may exceed the capacity of current sources. Previous water-resources investigations in this glacially derived, valley-fill aquifer system have focused primarily on...
Radiometric cross-calibration of EO-1 ALI with L7 ETM+ and Terra MODIS sensors using near-simultaneous desert observations
Gyanesh Chander, Amit Angal, Taeyoung Choi, Xiaoxiong Xiong
2013, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (6) 386-399
The Earth Observing-1 (EO-1) satellite was launched on November 21, 2000, as part of a one-year technology demonstration mission. The mission was extended because of the value it continued to add to the scientific community. EO-1 has now been operational for more than a decade, providing both multispectral and hyperspectral...
Spatial segregation of spawning habitat limits hybridization between sympatric native Steelhead and Coastal Cutthroat Trout
T.W. Buehrens, J. Glasgow, Carl O. Ostberg, T.P. Quinn
2013, Transactions of the American Fisheries Society (142) 221-233
Native Coastal Cutthroat Trout Oncorhynchus clarkii clarkii and Coastal Steelhead O. mykiss irideus hybridize naturally in watersheds of the Pacific Northwest yet maintain species integrity. Partial reproductive isolation due to differences in spawning habitat may limit hybridization between these species, but this process is poorly understood. We used a riverscape approach to determine the...
Comparative susceptibility among three stocks of yellow perch, Perca flavescens (Mitchill), to viral haemorrhagic septicaemia virus strain IVb from the Great Lakes
W. Olson, E. Emmenegger, J. Glenn, J. Winton, F. Goetz
2013, Journal of Fish Diseases (36) 711-719
The Great Lakes strain of viral haemorrhagic septicaemia virus IVb (VHSV-IVb) is capable of infecting a wide number of naive species and has been associated with large fish kills in the Midwestern United States since its discovery in 2005. The yellow perch, Perca flavescens (Mitchill), a freshwater species commonly found throughout inland...