Map showing extent of glaciation in the Eagle quadrangle, east-central Alaska
Florence R. Weber, Frederic H. Wilson
2012, Open-File Report 2012-1138
This map covers the Eagle 1:250,000-scale quadrangle in the northeastern part of the Yukon-Tanana Upland in Alaska. It shows the extent of five major glacial advances, former glacial lakes, and present fragmented terrace deposits related to the advances. The Yukon-Tanana Upland is an area of about 116,550 km2 between the...
TracerLPM (Version 1): An Excel® workbook for interpreting groundwater age distributions from environmental tracer data
Bryant C. Jurgens, J.K. Böhlke, Sandra M. Eberts
2012, Techniques and Methods 4-F3
TracerLPM is an interactive Excel® (2007 or later) workbook program for evaluating groundwater age distributions from environmental tracer data by using lumped parameter models (LPMs). Lumped parameter models are mathematical models of transport based on simplified aquifer geometry and flow configurations that account for effects of hydrodynamic dispersion or mixing...
Hatching and fledging times from grassland passerine nests
Pamela J. Pietz, Diane A. Granfors, Todd A. Grant
Christine A. Ribic, Frank R. Thompson III, Pamela J. Pietz, editor(s)
2012, Studies in Avian Biology 43-4
<span data-sheets-value="{"1":2,"2":"Accurate estimates of fledging age are needed in field studies to avoid inducing premature fledging or missing the fledging event. Both may lead to misinterpretation of nest fate. Correctly assessing nest fate and length of the nestling period can be critical for accurate calculation of nest survival rates. For...
Airborne digital-image data for monitoring the Colorado River corridor below Glen Canyon Dam, Arizona, 2009 - Image-mosaic production and comparison with 2002 and 2005 image mosaics
Philip A. Davis
2012, Open-File Report 2012-1139
Airborne digital-image data were collected for the Arizona part of the Colorado River ecosystem below Glen Canyon Dam in 2009. These four-band image data are similar in wavelength band (blue, green, red, and near infrared) and spatial resolution (20 centimeters) to image collections of the river corridor in 2002 and...
Preliminary surficial geologic map of the Newberry Springs 30' x 60' quadrangle, California
G. A. Phelps, D. R. Bedford, D. J. Lidke, D. M. Miller, K. M. Schmidt
2012, Open-File Report 2011-1044
The Newberry Springs 30' x 60' quadrangle is located in the central Mojave Desert of southern California. It is split approximately into northern and southern halves by I-40, with the city of Barstow at its western edge and the town of Ludlow near its eastern edge. The map area spans...
Advancing hydroacoustic technologies for sedimentology research and monitoring
Mark Landers, Jennifer Arrigo, John R. Gray
2012, Eos, Transactions, American Geophysical Union (93) 244-244
Presentation at the Joint USGS-CUAHSI Workshop on Sediment Hydroacoustic Techniquesfor Rivers and Streams; Shepherdstown, West Virginia, 20-22 March 2012....
An apparent "vital effect" of calcification rate on the Sr/Ca temperature proxy in the reef coral Montipora capitata
Ilsa Kuffner, Paul L. Jokiel, Kuulei Rodgers, Andreas Andersson, Fred T. Mackenzie
2012, Geochemistry, Geophysics, Geosystems (13)
Measuring the strontium to calcium ratio in coral skeletons reveals information on seawater temperatures during skeletal deposition, but studies have shown additional variables may affect the ratio. Here we measured Sr/Ca in the reef coral, Montipora capitata, grown in six mesocosms continuously supplied with seawater from the adjacent reef flat....
Cultured fungal associates from the deep-sea coral Lophelia pertusa
Julia P. Galkiewicz, Sarah H. Stellick, Michael A. Gray, Christina A. Kellogg
2012, Deep-Sea Research Part I: Oceanographic Research Papers (67) 12-20
The cold-water coral Lophelia pertusa provides important habitat to many deep-sea fishes and invertebrates. Studies of the microbial taxa associated with L. pertusa thus far have focused on bacteria, neglecting the microeukaryotic members. This is the first study to culture fungi from living L. pertusa and to investigate carbon source...
Thermal and hydrological observations near Twelvemile Lake in discontinuous permafrost, Yukon Flats, interior Alaska, September 2010-August 2011
Steven M. Jepsen, Joshua C. Koch, Joshua R. Rose, Clifford I. Voss, Michelle Ann Walvoord
2012, Open-File Report 2012-1121
A series of ground-based observations were made between September 2010 and August 2011 near Twelvemile Lake, 19 kilometers southwest of Fort Yukon, Alaska, for use in ongoing hydrological analyses of watersheds in this region of discontinuous permafrost. Measurements include depth to ground ice, depth to water table, soil texture, soil...
Fate and transport of cyanobacteria and associated toxins and taste-and-odor compounds from upstream reservoir releases in the Kansas River, Kansas, September and October 2011
Jennifer L. Graham, Andrew C. Ziegler, Brian L. Loving, Keith A. Loftin
2012, Scientific Investigations Report 2012-5129
Cyanobacteria cause a multitude of water-quality concerns, including the potential to produce toxins and taste-and-odor compounds. Toxins and taste-and-odor compounds may cause substantial economic and public health concerns and are of particular interest in lakes, reservoirs, and rivers that are used for drinking-water supply, recreation, or aquaculture. The Kansas River...
Carbon storage, timber production, and biodiversity: comparing ecosystem services with multi-criteria decision analysis
W. Scott Schwenk, Therese Donovan, William S. Keeton, Jared S. Nunery
2012, Ecological Applications (22) 1612-1627
Increasingly, land managers seek ways to manage forests for multiple ecosystem services and functions, yet considerable challenges exist in comparing disparate services and balancing trade-offs among them. We applied multi-criteria decision analysis (MCDA) and forest simulation models to simultaneously consider three objectives: (1) storing carbon, (2) producing timber and wood...
Effects of chronic wasting disease on reproduction and fawn harvest vulnerability in Wisconsin white-tailed deer
Julie A. Blanchong, Daniel A. Grear, Byron V. Weckworth, Delwyn P. Keane, Kim T. Scribner, Michael D. Samuel
2012, Journal of Wildlife Diseases (48) 361-370
Chronic wasting disease (CWD) is a fatal, transmissible spongiform encephalopathy that affects free-ranging and captive North American cervids. Although the impacts of CWD on cervid survival have been documented, little is known about the disease impacts on reproduction and recruitment. We used genetic methods and harvest data (2002–04) to reconstruct...
Pre- and post-remediation characterization of acid-generating fluvial tailings material
Kathleen S. Smith, Katherine Walton-Day, Karin O. Hoal, Rhonda L. Driscoll, K. Pietersen
2012, Conference Paper
The upper Arkansas River south of Leadville, Colorado, USA, contains deposits of fluvial tailings from historical mining operations in the Leadville area. These deposits are potential non-point sources of acid and metal contamination to surface- and groundwater systems. We are investigating a site that recently underwent in situ remediation treatment...
Sediment entrainment by debris flows: In situ measurements from the headwaters of a steep catchment
S.W. McCoy, Jason W. Kean, Jeffrey A. Coe, G.E. Tucker, Dennis M. Staley, T.A. Wasklewicz
2012, Journal of Geophysical Research F: Earth Surface (117)
Debris flows can dramatically increase their volume, and hence their destructive potential, by entraining sediment. Yet quantitative constraints on rates and mechanics of sediment entrainment by debris flows are limited. Using an in situ sensor network in the headwaters of a natural catchment we measured flow and bed properties during...
Chronostratigraphic framework for the IODP Expedition 318 cores from the Wilkes Land Margin: Constraints for paleoceanographic reconstruction
L. Tauxe, C.E. Stickley, S. Sugisaki, P.K. Bijl, S. M. Bohaty, H. Brinkhuis, C. Escutia, J.A. Flores, A.J.P. Houben, M. Iwai, F. Jimenez-Espejo, R. McKay, S. Passchier, J. Pross, Christina Riesselman, U. Röhl, F. Sangiorgi, K. Welsh, A. Klaus, A. Fehr, J.A.P. Bendle, R. Dunbar, J. Gonzalez, T. Hayden, K. Katsuki, M.P. Olney, S.F. Pekar, P.K. Shrivastava, T. van de Flierdt, T. Williams, M. Yamane
2012, Paleoceanography (27)
The Integrated Ocean Drilling Program Expedition 318 to the Wilkes Land margin of Antarctica recovered a sedimentary succession ranging in age from lower Eocene to the Holocene. Excellent stratigraphic control is key to understanding the timing of paleoceanographic events through critical climate intervals. Drill sites recovered the lower and middle...
Patterns and controlling factors of species diversity in the Arctic Ocean
Moriaki Yasuhara, Gene Hunt, Gert van Dijken, Kevin R. Arrigo, Thomas M. Cronin, Jutta E. Wollenburg
2012, Journal of Biogeography (39) 2081-2088
Aim The Arctic Ocean is one of the last near-pristine regions on Earth, and, although human activities are expected to impact on Arctic ecosystems, we know very little about baseline patterns of Arctic Ocean biodiversity. This paper aims to describe Arctic Ocean-wide patterns of benthic biodiversity and to explore factors...
Evaluating the ability of regional models to predict local avian abundance
Jaymi J. LeBrun, Wayne E. Thogmartin, James R. Miller
2012, Journal of Wildlife Management (76) 1177-1187
Spatial modeling over broad scales can potentially direct conservation efforts to areas with high species-specific abundances. We examined the performance of regional models for predicting bird abundance at spatial scales typically addressed in conservation planning. Specifically, we used point count data on wood thrush (Hylocichla mustelina) and blue-winged warbler (Vermivora...
Nutrient removal using biosorption activated media: preliminary biogeochemical assessment of an innovative stormwater infiltration basin
Andrew M. O’Reilly, Martin P. Wanielista, Ni-Bin Chang, Zhemin Xuan, Willie G. Harris
2012, Science of the Total Environment (432) 227-242
Soil beneath a stormwater infiltration basin receiving runoff from a 22.7 ha predominantly residential watershed in central Florida, USA, was amended using biosorption activated media (BAM) to study the effectiveness of this technology in reducing inputs of nitrogen and phosphorus to groundwater. The functionalized soil amendment BAM consists of a...
Historical and potential groundwater drawdown in the Bruneau area, Owyhee County, southwestern Idaho
Candice B. Adkins, James R. Bartolino
2012, Scientific Investigations Report 2012-5119
Geothermal seeps and springs in the Bruneau area in southwestern Idaho provide a vital but disappearing habitat for the Bruneau hot springsnail (Pyrgulopsis bruneauensis). In order to aid in conservation efforts, a two-part study was conducted (1) to determine trends in groundwater levels over time and (2) to simulate drawdown...
Cyclic biogeochemical processes and nitrogen fate beneath a subtropical stormwater infiltration basin
Andrew M. O’Reilly, Ni-Bin Chang, Martin P. Wanielista
2012, Journal of Contaminant Hydrology (133) 53-75
A stormwater infiltration basin in north–central Florida, USA, was monitored from 2007 through 2008 to identify subsurface biogeochemical processes, with emphasis on N cycling, under the highly variable hydrologic conditions common in humid, subtropical climates. Cyclic variations in biogeochemical processes generally coincided with wet and dry hydrologic conditions. Oxidizing conditions...
Effects of urban best management practices on streamflow and phosphorus and suspended-sediment transport on Englesby Brook in Burlington, Vermont, 2000-2010
Laura Medalie
2012, Scientific Investigations Report 2012-5103
An assessment of the effectiveness of several urban best management practice structures, including a wet extended detention facility and a shallow marsh wetland (together the "wet extended detention ponds"), was made using data collected from 2000 through 2010 at Englesby Brook in Burlington, Vermont. The purpose of the best management...
A collaborative approach for estimating terrestrial wildlife abundance
Jason I. Ransom, Petra Kaczensky, Bruce C. Lubow, Oyunsaikhan Ganbaatar, Nanjid Altansukh
2012, Biological Conservation (153) 219-226
Accurately estimating abundance of wildlife is critical for establishing effective conservation and management strategies. Aerial methodologies for estimating abundance are common in developed countries, but they are often impractical for remote areas of developing countries where many of the world's endangered and threatened fauna exist. The alternative terrestrial methodologies can...
Potential for technically recoverable unconventional gas and oil resources in the Polish-Ukrainian Foredeep, Poland, 2012
Donald L. Gautier, Janet K. Pitman, Ronald R. Charpentier, Troy Cook, Timothy R. Klett, Christopher J. Schenk
2012, Fact Sheet 2012-3102
Using a performance-based geological assessment methodology, the U.S. Geological Survey estimated mean volumes of 1,345 billion cubic feet of potentially technically recoverable gas and 168 million barrels of technically recoverable oil and natural gas liquids in Ordovician and Silurian age shales in the Polish- Ukrainian Foredeep basin of Poland....
Floods in Central Texas, September 7-14, 2010
Karl E. Winters
2012, Texas Water Journal (3)
Severe flooding occurred near the Austin metropolitan area in central Texas September 7–14, 2010, because of heavy rainfall associated with Tropical Storm Hermine. The U.S. Geological Survey, in cooperation with the Upper Brushy Creek Water Control and Improvement District, determined rainfall amounts and annual exceedance probabilities for rainfall resulting in...
Processes affecting geochemistry and contaminant movement in the middle Claiborne aquifer of the Mississippi embayment aquifer system
Brian G. Katz, James A. Kingsbury, Heather L. Welch, Roland W. Tollett
2012, Environmental Earth Sciences (65) 1759-1780
Groundwater chemistry and tracer-based age data were used to assess contaminant movement and geochemical processes in the middle Claiborne aquifer (MCA) of the Mississippi embayment aquifer system. Water samples were collected from 30 drinking-water wells (mostly domestic and public supply) and analyzed for nutrients, major ions, pesticides, volatile organic compounds...