Data network, collection, and analysis in the Diamond Valley flow system, central Nevada
Lari A. Knochenmus, David L. Berger, Michael T. Moreo, J. LaRue Smith
2011, Open-File Report 2011-1089
Future groundwater development and its effect on future municipal, irrigation, and alternative energy uses in the Diamond Valley flow system are of concern for officials in Eureka County, Nevada. To provide a better understanding of the groundwater resources, the U.S. Geological Survey, in cooperation with Eureka County, commenced a multi-phase...
Review of samples of tailings, soils, and stream sediments adjacent to and downstream from the Ruth Mine, Inyo County, California
James J. Rytuba, Christopher S. Kim, Daniel N. Goldstein
2011, Open-File Report 2011-1105
The Ruth Mine and mill are located in the western Mojave Desert in Inyo County, California (fig. 1). The mill processed gold-silver (Au-Ag) ores mined from the Ruth Au-Ag deposit, which is adjacent to the mill site. The Ruth Au-Ag deposit is hosted in Mesozoic intrusive rocks and is similar...
Review of samples of sediments, tailings, and waters adjacent to the Cactus Queen Gold Mine, Kern County, California
James J. Rytuba, Christopher S. Kim, Daniel N. Goldstein
2011, Open-File Report 2011-1034
The Cactus Queen Mine is located in the western Mojave Desert in Kern County, California. The Cactus Queen gold-silver (Au-Ag) deposit is similar to other Au-Ag deposits hosted in Miocene volcanic rocks that consist of silicic domes and associated flows, pyroclastic rocks, and subvolcanic intrusions. The volcanic rocks were emplaced...
Relation between flows and dissolved oxygen in the Roanoke River between Roanoke Rapids Dam and Jamesville, North Carolina, 2005-2009
Loren L. Wehmeyer, Chad R. Wagner
2011, Scientific Investigations Report 2011-5040
The relation between dam releases and dissolved-oxygen concentration, saturation and deficit, downstream from Roanoke Rapids Dam in North Carolina was evaluated from 2005 to 2009. Dissolved-oxygen data collected at four water-quality monitoring stations downstream from Roanoke Rapids Dam were used to determine if any statistical relations or discernible quantitative or...
Trace element, semivolatile organic, and chlorinated organic compound concentrations in bed sediments of selected streams at Fort Gordon, Georgia, February-April 2010
Lashun K. Thomas, Celeste A. Journey, Whitney J. Stringfield, Jimmy M. Clark, Paul M. Bradley, John B. Wellborn, Hagan Ratliff, Thomas A. Abrahamsen
2011, Open-File Report 2011-1067
A spatial survey of streams was conducted from February to April 2010 to assess the concentrations of major ions, selected trace elements, semivolatile organic compounds, organochlorine pesticides, and polychlorinated biphenyls associated with the bed sediments of surface waters at Fort Gordon military installation near Augusta, Georgia. This investigation expanded a...
Geophysical data collected from the St. Clair River between Michigan and Ontario, Canada (2008-016-FA)
Jane F. Denny, D.S. Foster, C.R. Worley, Barry J. Irwin
2011, Open-File Report 2010-1035
In 2008, the U.S. Geological Survey (USGS), Woods Hole Coastal and Marine Science Center (WHCMSC), in cooperation with the U.S. Army Corps of Engineers conducted a geophysical and sampling survey of the riverbed of the Upper St. Clair River between Port Huron, Mich., and Sarnia, Ontario, Canada. The objectives were...
Geomorphic Classification and Evaluation of Channel Width and Emergent Sandbar Habitat Relations on the Lower Platte River, Nebraska
Caroline M. Elliott
2011, Scientific Investigations Report 2011-5028
This report presents a summary of geomorphic characteristics extracted from aerial imagery for three broad segments of the Lower Platte River. This report includes a summary of the longitudinal multivariate classification in Elliott and others (2009) and presents a new analysis of total channel width and habitat variables. Three segments...
Benthic habitat classification in Lignumvitae Key Basin, Florida Bay, using the U.S. Geological Survey Along-Track Reef Imaging System (ATRIS)
C. D. Reich, D.G. Zawada, P.R. Thompson, C.E. Reynolds, A.H. Spear, D.K. Umberger, R.Z. Poore
2011, Open-File Report 2011-1066
The Comprehensive Everglades Restoration Plan (CERP) funded in partnership between the U.S. Army Corps of Engineers, South Florida Water Management District, and other Federal, local and Tribal members has in its mandate a guideline to protect and restore freshwater flows to coastal environments to pre-1940s conditions (CERP, 1999). Historic salinity...
Geophysical logging data from the Mills Gap Road area near Asheville, North Carolina
Melinda J. Chapman, Brad A. Huffman
2011, Data Series 538
In September 2009, the U.S. Geological Survey (USGS) was requested to assist the Environmental Protection Agency (EPA) Region 4 Superfund Section in the development of a conceptual groundwater flow model in the area of the Mills Gap Road contaminant investigation near Asheville, North Carolina (Site ID A4P5) through an Interagency...
Regional groundwater-flow model of the Redwall-Muav, Coconino, and alluvial basin aquifer systems of northern and central Arizona
D. R. Pool, Kyle W. Blasch, James B. Callegary, Stanley A. Leake, Leslie F. Graser
2011, Scientific Investigations Report 2010-5180
A numerical flow model (MODFLOW) of the groundwater flow system in the primary aquifers in northern Arizona was developed to simulate interactions between the aquifers, perennial streams, and springs for predevelopment and transient conditions during 1910 through 2005. Simulated aquifers include the Redwall-Muav, Coconino, and basin-fill aquifers. Perennial stream reaches...
Groundwater conditions and studies in Georgia, 2008-2009
Michael F. Peck, David C. Leeth, Jaime A. Painter
2011, Scientific Investigations Report 2011-5048
The U.S. Geological Survey collects groundwater data and conducts studies to monitor hydrologic conditions, better define groundwater resources, and address problems related to water supply, water use, and water quality. In Georgia, water levels were monitored continuously at 179 wells during 2008 and 181 wells during 2009. Because of missing...
River-aquifer exchanges in the Yakima River basin, Washington
J. J. Vaccaro
2011, Scientific Investigations Report 2011-5026
Five categories of data are analyzed to enhance understanding of river-aquifer exchanges-the processes by which water moves between stream channels and the adjacent groundwater system-in the Yakima River basin. The five datasets include (1) results of chemical analyses of water for tritium (3H, a radioactive isotope of hydrogen) and the...
Magnitude and Frequency of Floods for Urban and Small Rural Streams in Georgia, 2008
Anthony J. Gotvald, Andrew E. Knaak
2011, Scientific Investigations Report 2011-5042
A study was conducted that updated methods for estimating the magnitude and frequency of floods in ungaged urban basins in Georgia that are not substantially affected by regulation or tidal fluctuations. Annual peak-flow data for urban streams from September 2008 were analyzed for 50 streamgaging stations (streamgages) in Georgia and...
The chronology for the d18O record from Devils Hole, Nevada, extended into the Mid-Holocene
J.M. Landwehr, W.D. Sharp, T.B. Coplen, K.R. Ludwig, I.J. Winograd
2011, Open-File Report 2011-1082
This report presents the numeric values for the chronology of the paleoclimatically relevant mid-to-late Pleistocene record of the ratios of stable oxygen isotope (delta18O) in vein calcite from Devils Hole, Nev., which recently had been extended into the mid-Holocene. Dating was obtained using 230Th-234U-238U thermal ionization mass spectrometry. Devils Hole is...
WTAQ version 2-A computer program for analysis of aquifer tests in confined and water-table aquifers with alternative representations of drainage from the unsaturated zone
Paul M. Barlow, Allen F. Moench
2011, Techniques and Methods 3-B9
The computer program WTAQ simulates axial-symmetric flow to a well pumping from a confined or unconfined (water-table) aquifer. WTAQ calculates dimensionless or dimensional drawdowns that can be used with measured drawdown data from aquifer tests to estimate aquifer hydraulic properties. Version 2 of the program, which is described in this...
Stream profile analyses using a step-backwater model for selected reaches in the Chippewa Creek Basin in Medina, Wayne, and Summit Counties, Ohio
David E. Straub, Andrew D. Ebner
2011, Scientific Investigations Report 2011-5024
The USGS, in cooperation with the Chippewa Subdistrict of the Muskingum Watershed Conservancy District, performed hydrologic and hydraulic analyses for selected reaches of three streams in Medina, Wayne, Stark, and Summit Counties in northeast Ohio: Chippewa Creek, Little Chippewa Creek, and River Styx. This study was done to facilitate assessment...
Use of instantaneous streamflow measurements to improve regression estimates of index flow for the summer month of lowest streamflow in Michigan
David J. Holtschlag
2011, Scientific Investigations Report 2010-5236
In Michigan, index flow Q50 is a streamflow characteristic defined as the minimum of median flows for July, August, and September. The state of Michigan uses index flow estimates to help regulate large (greater than 100,000 gallons per day) water withdrawals to prevent adverse effects on characteristic fish populations. At...
Trends in nutrient concentrations, loads, and yields in streams in the Sacramento, San Joaquin, and Santa Ana Basins, California, 1975-2004
Charles R. Kratzer, Robert Kent, Dina K. Seleh, Donna L. Knifong, Peter D. Dileanis, James L. Orlando
2011, Scientific Investigations Report 2010-5228
A comprehensive database was assembled for the Sacramento, San Joaquin, and Santa Ana Basins in California on nutrient concentrations, flows, and point and nonpoint sources of nutrients for 1975-2004. Most of the data on nutrient concentrations (nitrate, ammonia, total nitrogen, orthophosphate, and total phosphorus) were from the U.S. Geological Survey's...
Endocrine active chemicals, pharmaceuticals, and other chemicals of concern in surface water, wastewater-treatment plant effluent, and bed sediment, and biological characteristics in selected streams, Minnesota: Design, methods, and data, 2009
Kathy Lee, Susan K. Langer, Larry B. Barber, Jeff H. Writer, Mark L. Ferrey, Heiko L. Schoenfuss, Edward T. Furlong, William T. Foreman, James L. Gray, Rhiannon C. ReVello, Dalma Martinovic, Olivia R. Woodruff, Steffanie H. Keefe, Greg K. Brown, Howard E. Taylor, Imma Ferrer, E. Michael Thurman
2011, Data Series 575
This report presents the study design, environmental data, and quality-assurance data for an integrated chemical and biological study of selected streams or lakes that receive wastewater-treatment plant effluent in Minnesota. This study was a cooperative effort of the U.S. Geological Survey, the Minnesota Pollution Control Agency, St. Cloud State University,...
A refined characterization of the alluvial geology of yucca flat and its effect on bulk hydraulic conductivity
G. A. Phelps, K. J. Halford
2011, Open-File Report 2010-1307
In Yucca Flat, on the Nevada National Security Site in southern Nevada, the migration of radionuclides from tests located in the alluvial deposits into the Paleozoic carbonate aquifer involves passage through a thick, heterogeneous section of late Tertiary and Quaternary alluvial sediments. An understanding of the lateral and vertical changes...
The USA National Phenology Network; taking the pulse of our planet
Jake F. Weltzin
2011, Fact Sheet 2011-3023
People have tracked phenology for centuries and for the most practical reasons: it helped them know when to hunt and fish, when to plant and harvest crops, and when to navigate waterways. Now phenology is being used as a tool to assess climate change and its effects on both natural...
Potentiometric surface in the Central Oklahoma (Garber-Wellington) aquifer, Oklahoma, 2009
Shana L. Mashburn, Jessica Magers
2011, Scientific Investigations Map 3147
A study of the hydrogeology of the Central Oklahoma aquifer was started in 2008 to provide the Oklahoma Water Resources Board (OWRB) hydrogeologic data and a groundwater flow model that can be used as a tool to help manage the aquifer. The 1973 Oklahoma water law requires the OWRB to...
Water budgets and groundwater volumes for abandoned underground mines in the Western Middle Anthracite Coalfield, Schuylkill, Columbia, and Northumberland Counties, Pennsylvania: Preliminary estimates with identification of data needs
Daniel J. Goode, Charles A. Cravotta III,, Roger J. Hornberger, Michael A. Hewitt, Robert E. Hughes, Daniel J. Koury, Lee W. Eicholtz
2011, Scientific Investigations Report 2010-5261
This report, prepared in cooperation with the Pennsylvania Department of Environmental Protection (PaDEP), the Eastern Pennsylvania Coalition for Abandoned Mine Reclamation, and the Dauphin County Conservation District, provides estimates of water budgets and groundwater volumes stored in abandoned underground mines in the Western Middle Anthracite Coalfield, which encompasses an area...
Report of the River Master of the Delaware River for the period December 1, 2004-November 30, 2005
Bruce E. Krejmas, Gary N. Paulachok, Stephen F. Blanchard
2011, Open-File Report 2010-1106
A Decree of the Supreme Court of the United States, entered in 1954, established the position of Delaware River Master within the U.S. Geological Survey. In addition, the Decree authorizes diversions of water from the Delaware River Basin and requires compensating releases from certain reservoirs, owned by New York City,...
Hydrogeology and simulation of groundwater flow in fractured rock in the Newark basin, Rockland County, New York
Richard M. Yager, Nicholas M. Ratcliffe
2011, Scientific Investigations Report 2010-5250
Groundwater in the Newark basin aquifer flows primarily through discrete water-bearing zones parallel to the strike and dip of bedding, whereas flow perpendicular to the strike is restricted, thereby imparting anisotropy to the groundwater flow field. The finite-element model SUTRA was used to represent bedrock structure in the aquifer by...
