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Peak flow regression equations For small, ungaged streams in Maine: Comparing map-based to field-based variables
Pamela J. Lombard, Glenn A. Hodgkins
2015, Scientific Investigations Report 2015-5049
Regression equations to estimate peak streamflows with 1- to 500-year recurrence intervals (annual exceedance probabilities from 99 to 0.2 percent, respectively) were developed for small, ungaged streams in Maine. Equations presented here are the best available equations for estimating peak flows at ungaged basins in Maine with drainage areas from...
Summary of oceanographic and water-quality measurements in Rachel Carson National Wildlife Refuge, Wells, Maine, in 2013
Ellyn T. Montgomery, Neil K. Ganju, Patrick J. Dickhudt, Jonathan Borden, Marinna A. Martini, Sandra M. Brosnahan
2015, Open-File Report 2015-1072
Suspended-sediment transport is a critical element controlling the geomorphology of tidal wetland complexes. Wetlands rely on organic material and inorganic sediment deposition to maintain their elevation relative to sea level. The U.S. Geological Survey performed observational deployments to measure suspended-sediment concentration and water flow rates in the tidal channels of...
Coupled interactions between volatile activity and Fe oxidation state during arc crustal processes
Madeleine C.S. Humphreys, R Brooker, D.C. Fraser, A Burgisser, Margaret T. Mangan, C McCammon
2015, Journal of Petrology 1-20
Arc magmas erupted at the Earth’s surface are commonly more oxidized than those produced at mid-ocean ridges. Possible explanations for this high oxidation state are that the transfer of fluids during the subduction process results in direct oxidation of the sub-arc mantle wedge, or that oxidation is caused by the...
A pheromone outweighs temperature in influencing migration of sea lamprey
Cory O. Brant, Ke Li, Nicholas S. Johnson, Weiming Li
2015, Royal Society Open Science (2) 1-7
Organisms continuously acquire and process information from surrounding cues. While some cues complement one another in delivering more reliable information, others may provide conflicting information. How organisms extract and use reliable information from a multitude of cues is largely unknown. We examined movement decisions of sea lampreys (Petromyzon marinus L.) exposed...
Geospatial compilation and digital map of centerpivot irrigated areas in the mid-Atlantic region, United States
Jason S. Finkelstein, Mark R. Nardi
2015, Data Series 932
To evaluate water availability within the Northern Atlantic Coastal Plain, the U.S. Geological Survey, in cooperation with the University of Delaware Agricultural Extension, created a dataset that maps the number of acres under center-pivot irrigation in the Northern Atlantic Coastal Plain study area. For this study, the extent of the...
Estimated abundance of wild burros surveyed on Bureau of Land Management Lands in 2014
Paul C. Griffin
2015, Open-File Report 2015-1084
The Bureau of Land Management (BLM) requires accurate estimates of the numbers of wild horses (Equus ferus caballus) and burros (Equus asinus) living on the lands it manages. For over ten years, BLM in Arizona has used the simultaneous double-observer method of recording wild burros during aerial surveys and has...
Water quality of the Little Arkansas River and Equus Beds Aquifer before and concurrent with large-scale artificial recharge, south-central Kansas, 1995-2012
Daniel J. Tappa, Jennifer L. Lanning-Rush, Brian J. Klager, Cristi V. Hansen, Andrew C. Ziegler
2015, Scientific Investigations Report 2015-5023
The city of Wichita artificially recharged about 1 billion gallons of water into the Equus Beds aquifer during 2007–2012 as part of Phase I recharge of the Artificial Storage and Recovery project. This report, prepared in cooperation by the U.S. Geological Survey and the city of Wichita, Kansas, summarizes Little Arkansas River...
Water quality of the Little Arkansas River and Equus Beds Aquifer before and concurrent with large-scale artificial recharge, south-central Kansas, 1995-2012
Daniel J. Tappa, Jennifer L. Lanning-Rush, Andrew C. Ziegler
2015, Fact Sheet 2015-3010
This fact sheet describes baseline water quality of the Equus Beds aquifer and Little Arkansas River and water-quality effects of artificial recharge by the city of Wichita associated with Phase I (2007–present) of the Aquifer Storage and Recovery project. During 1995 through 2012, more than 8,800 surface water and groundwater water-quality samples...
Hydrology of the middle San Pedro area, southeastern Arizona
Jeffrey T. Cordova, Jesse E. Dickinson, Kimberly R. Beisner, Candice B. Hopkins, Jeffrey R. Kennedy, Donald R. Pool, Edward P. Glenn, Pamela L. Nagler, Blakemore E. Thomas
2015, Scientific Investigations Report 2013-5040
In the middle San Pedro Watershed in southeastern Arizona, groundwater is the primary source of water supply for municipal, domestic, industrial, and agricultural use. The watershed comprises two smaller subareas, the Benson subarea and the Narrows-Redington subarea. Early 21st century projections for heavy population growth in the watershed have not...
Quantification of shoreline change along Hatteras Island, North Carolina: Oregon Inlet to Cape Hatteras, 1978-2002, and associated vector shoreline data
Cheryl J. Hapke, Rachel E. Henderson
2015, Open-File Report 2015-1002
Shoreline change spanning twenty-four years was assessed along the coastline of Cape Hatteras National Seashore, at Hatteras Island, North Carolina. The shorelines used in the analysis were generated from georeferenced historical aerial imagery and are used to develop shoreline change rates for Hatteras Island, from Oregon Inlet to Cape Hatteras....
Wind River subbasin restoration: Annual report of U.S. Geological Survey activities January 2014 through December 2014
Ian G. Jezorek, Patrick J. Connolly
2015, Report
Executive Summary The Wind River subbasin in southwest Washington State provides habitat for a population of wild Lower Columbia River steelhead Oncorhynchus mykiss, which are listed as threatened under the Endangered Species Act. No hatchery steelhead have been planted in the Wind River subbasin since 1994, and hatchery adults are estimated...
Potential metal recovery from waste streams
Kathleen S. Smith, Philip L. Hageman, Geoffrey S. Plumlee, James R. Budahn, Donald I. Bleiwas
2015, Conference Paper
‘Waste stream’ is a general term that describes the total flow of waste from homes, businesses, industrial facilities, and institutions that are recycled, burned or isolated from the environment in landfills or other types of storage, or dissipated into the environment. The recovery and reuse of chemical elements from waste...
Storm tide monitoring during the blizzard of January 26-28, 2015, in eastern Massachusetts
Andrew J. Massey, Richard J. Verdi
2015, Open-File Report 2015-1081
The U.S. Geological Survey (USGS) deployed a temporary monitoring network of six storm surge sensors and four barometric pressure sensors along the Atlantic coast in eastern Massachusetts, from Plymouth to Newburyport, before the blizzard of January 26–28, 2015 (Blizzard of January 2015), to record the timing and magnitude of storm...
Moment tensors and other source parameters of mining‐induced earthquakes in TauTona Mine, South Africa
Margaret S. Boettcher, Deborah L. Kane, Arthur F. McGarr, Malcolm J. S. Johnston, Ze’ev Reches
2015, Bulletin of the Seismological Society of America (105) 1576-1593
Induced seismicity exhibits diverse source mechanisms that are often difficult to constrain for small events. Here, we use data from the in‐mine seismic network, the Natural Earthquake Laboratory in South African Mines network, and a temporary Program for the Array Seismic Studies of the Continental Lithosphere deployment in TauTona Mine,...
Toxicity reference values for chlorophacinone and their application for assessing anticoagulant rodenticide risk to raptors
Barnett A. Rattner, Katherine E. Horak, Rebecca S. Lazarus, Sandra L. Schultz, Susan Knowles, Benjamin G. Abbo, Steven F. Volker
2015, Ecotoxicology (24) 720-734
Despite widespread use and benefit, there are growing concerns regarding hazards of second-generation anticoagulant rodenticides to non-target wildlife which may result in expanded use of first-generation compounds, including chlorophacinone (CPN). The toxicity of CPN over a 7-day exposure period was investigated in American kestrels (Falco sparverius) fed...
Atypical pit craters on Mars: new insights from THEMIS, CTX and HiRISE observations
Glen Cushing, Chris H. Okubo, Timothy N. Titus
2015, Journal of Geophysical Research (120) 1023-1043
More than 100 pit craters in the Tharsis region of Mars exhibit morphologies, diameters and thermal behaviors that diverge from the much larger bowl-shaped pit craters that occur in most regions across Mars. These Atypical Pit Craters (APCs) generally have sharp and distinct rims, vertical or overhanging walls that extend...
Temporal patterns in adult salmon migration timing across southeast Alaska
Ryan P. Kovach, Stephen Ellison, Sanjay Pyare, David Tallmon
2015, Global Change Biology (21) 1821-1833
Pacific salmon migration timing can drive population productivity, ecosystem dynamics, and human harvest. Nevertheless, little is known about long-term variation in salmon migration timing for multiple species across broad regions. We used long-term data for five Pacific salmon species throughout rapidly warming southeast Alaska to describe long-term changes in salmon...
Thiaminase activity in native freshwater mussels
Carrie J. Blakeslee, Stephanie Sweet, Heather S. Galbraith, Dale C. Honeyfield
2015, Journal of Great Lakes Research (41) 516-519
Thiamine (vitamin B1) deficiency in the Great Lakes has been attributed to elevated levels of thiaminase I enzyme activity in invasive prey species; however, few studies have investigated thiaminase activity in native prey species. Some of the highest levels of thiaminase activity have been measured in invasive dreissenid mussels with...
AMDTreat 5.0+ with PHREEQC titration module to compute caustic chemical quantity, effluent quality, and sludge volume
Charles A. Cravotta III, Brent P Means, Willam Arthur, Robert M McKenzie, David L. Parkhurst
2015, Mine Water and the Environment (34) 136-152
Alkaline chemicals are commonly added to discharges from coal mines to increase pH and decrease concentrations of acidity and dissolved aluminum, iron, manganese, and associated metals. The annual cost of chemical treatment depends on the type and quantities of chemicals added and sludge produced. The AMDTreat computer program, initially developed...
The interaction of intraspecific competition and habitat on individual diet specialization: a near range-wide examination of sea otters
Seth D. Newsome, M. Tim Tinker, Verena A. Gill, Zachary N. Hoyt, Angela M. Doroff, Linda Nichol, James L. Bodkin
2015, Oecologia (178) 45-59
The quantification of individuality is a common research theme in the fields of population, community, and evolutionary ecology. The potential for individuality to arise is likely context-dependent, and the influence of habitat characteristics on its prevalence has received less attention than intraspecific competition. We examined individual diet specialization in 16...
Experimental dosing of wetlands with coagulants removes mercury from surface water and decreases mercury bioaccumulation in fish
Joshua T. Ackerman, Tamara E.C. Kraus, Jacob A. Fleck, David P. Krabbenhoft, William R. Horwarth, Sandra M. Bachand, Mark P. Herzog, C. Alex Hartman, Philip Bachand
2015, Environmental Science & Technology (49) 6304-6311
Mercury pollution is widespread globally, and strategies for managing mercury contamination in aquatic environments are necessary. We tested whether coagulation with metal-based salts could remove mercury from wetland surface waters and decrease mercury bioaccumulation in fish. In a complete randomized block design, we constructed nine experimental wetlands in California’s Sacramento–San...
Inter-laboratory variation in the chemical analysis of acidic forest soil reference samples from eastern North America
Donald S. Ross, Scott W Bailiey, Russell D Briggs, Johanna Curry, Ivan J. Fernandez, Guinevere Fredriksen, Christine L. Goodale, Paul W. Hazlett, Paul R Heine, Chris E. Johnson, John T Larson, Gregory B. Lawrence, Randy K Kolka, Ouimet, D Pare, Daniel D. Richter, Charles D Shirmer, Richard A.F. Warby
2015, Ecosphere (6) 1-22
Long-term forest soil monitoring and research often requires a comparison of laboratory data generated at different times and in different laboratories. Quantifying the uncertainty associated with these analyses is necessary to assess temporal changes in soil properties. Forest soil chemical properties, and methods to measure these properties, often differ from...