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Simulations of Groundwater Flow and Particle Tracking Analysis in the Area Contributing Recharge to a Public-Supply Well near Tampa, Florida, 2002-05
Christy A. Crandall, Leon J. Kauffman, Brian G. Katz, Patricia A. Metz, W. Scott McBride, Marian P. Berndt
2009, Scientific Investigations Report 2008-5231
Shallow ground water in the north-central Tampa Bay region, Florida, is affected by elevated nitrate concentrations, the presence of volatile organic compounds, and pesticides as a result of groundwater development and intensive urban land use. The region relies primarily on groundwater for drinking-water supplies. Sustainability of groundwater quality for public...
Application of the Hydroecological Integrity Assessment Process for Missouri Streams
Jonathan G. Kennen, James A. Henriksen, John Heasley, Brian S. Cade, James W. Terrell
2009, Open-File Report 2009-1138
Natural flow regime concepts and theories have established the justification for maintaining or restoring the range of natural hydrologic variability so that physiochemical processes, native biodiversity, and the evolutionary potential of aquatic and riparian assemblages can be sustained. A synthesis of recent research advances in hydroecology, coupled with stream classification...
Groundwater-quality data in the Madera-Chowchilla study unit, 2008: Results from the California GAMA Program
Jennifer L. Shelton, Miranda S. Fram, Kenneth Belitz
2009, Data Series 455
Groundwater quality in the approximately 860-square-mile Madera–Chowchilla study unit (MADCHOW) was investigated in April and May 2008 as part of the Priority Basin Project of the Groundwater Ambient Monitoring and Assessment (GAMA) Program. The GAMA Priority Basin Project was developed in response to the Groundwater Quality Monitoring Act of 2001...
Groundwater Conditions and Studies in the Albany Area of Dougherty County, Georgia, 2008
Debbie W. Gordon
2009, Open-File Report 2009-1244
The U.S. Geological Survey has been working cooperatively with the Albany Water, Gas, and Light Commission to monitor groundwater quality and availability since 1977. This report presents an overview of groundwater conditions and studies in the Albany area of Dougherty County, Georgia, during 2008. Historical data also are presented for...
Estimation of Leakage Potential of Selected Sites in Interstate and Tri-State Canals Using Geostatistical Analysis of Selected Capacitively Coupled Resistivity Profiles, Western Nebraska, 2004
Joseph Vrabel, Andrew Teeple, Wade H. Kress
2009, Scientific Investigations Report 2009-5223
With increasing demands for reliable water supplies and availability estimates, groundwater flow models often are developed to enhance understanding of surface-water and groundwater systems. Specific hydraulic variables must be known or calibrated for the groundwater-flow model to accurately simulate current or future conditions. Surface geophysical surveys, along with selected test-hole...
Deep Resistivity Structure of Mid Valley, Nevada Test Site, Nevada
Erin L. Wallin, Brian D. Rodriguez, Jackie M. Williams
2009, Open-File Report 2008-1118
The U.S. Department of Energy (DOE) and the National Nuclear Security Administration (NNSA) at their Nevada Site Office (NSO) are addressing ground-water contamination resulting from historical underground nuclear testing through the Environmental Management (EM) program and, in particular, the Underground Test Area (UGTA) project. From 1951 to 1992, 828 underground nuclear...
Trends in pesticide concentrations in corn-belt streams, 1996-2006
Daniel J. Sullivan, Aldo V. Vecchia, David L. Lorenz, Robert J. Gilliom, Jeffrey D. Martin
2009, Scientific Investigations Report 2009-5132
Trends in the concentrations of commonly occurring pesticides in the Corn Belt of the United States were assessed, and the performance and application of several statistical methods for trend analysis were evaluated. Trends in the concentrations of 11 pesticides with sufficient data for trend assessment were assessed at up to...
Sediment Transport in the Bill Williams River and Turbidity in Lake Havasu During and Following Two High Releases from Alamo Dam, Arizona, in 2005 and 2006
Stephen M. Wiele, Robert J. Hart, Hugh L. Darling, Andrew B. Hautzinger
2009, Scientific Investigations Report 2009-5195
Discharges higher than are typically released from Alamo Dam in west-central Arizona were planned and released in 2005, 2006, 2007, and 2008 to study the effects of these releases on the Bill Williams River and Lake Havasu, into which the river debouches. Sediment concentrations and water discharges were measured in...
Statistical Summaries of Streamflow in and near Oklahoma Through 2007
Jason M. Lewis, Rachel A. Esralew
2009, Scientific Investigations Report 2009-5135
Statistical summaries of streamflow records through 2007 for gaging stations in Oklahoma and parts of adjacent states are presented for 238 stations with at least 10 years of streamflow record. Streamflow at 120 of the stations is regulated for specific periods. Data for these periods were analyzed separately to account...
2008 Weather and Aeolian Sand-Transport Data from the Colorado River Corridor, Grand Canyon, Arizona
Amy E. Draut, Hoda A. Sondossi, Joseph E. Hazel Jr., Timothy Andrews, Helen C. Fairley, Christopher R. Brown, Karen M. Vanaman
2009, Open-File Report 2009-1190
This report presents measurements of weather parameters and aeolian (windblown) sand transport made in 2008 near selected archaeological sites in the Colorado River corridor through Grand Canyon, Ariz. The quantitative methods and data discussed here form a basis for monitoring ecosystem processes that affect archeological-site stability. Combined with forthcoming work...
Comparison of Hydrologic and Water-Quality Characteristics of Two Native Tallgrass Prairie Streams with Agricultural Streams in Missouri and Kansas
David C. Heimann
2009, Scientific Investigations Report 2009-5213
This report presents the results of a study by the U.S. Geological Survey, in cooperation with the Missouri Department of Natural Resources, to analyze and compare hydrologic and water-quality characteristics of tallgrass prairie and agricultural basins located within the historical distribution of tallgrass prairie in Missouri and Kansas. Streamflow and...
Aeromagnetic and Aeroradiometric Data for the Conterminous United States and Alaska from the National Uranium Resource Evaluation (NURE) Program of the U.S. Department of Energy
Patricia L. Hill, Robert P. Kucks, Dhananjay Ravat
2009, Open-File Report 2009-1129
The National Uranium Resource Evaluation (NURE) program was initiated in 1973 with a primary goal of identifying uranium resources in the United States. The airborne program's main purpose was to collect radiometric data of the conterminous United States and Alaska. Magnetic data were also collected. After the program ended, most...
Summary of surface-water quality data from the Illinois River Basin in Northeast Oklahoma, 1970-2007
William J. Andrews, Mark F. Becker, S. Jerrod Smith, Robert L. Tortorelli
2009, Scientific Investigations Report 2009-5182
The quality of streams in the Illinois River Basin of northeastern Oklahoma is potentially threatened by increased quantities of wastes discharged from increasing human populations, grazing of about 160,000 cattle, and confined animal feeding operations raising about 20 million chickens. Increasing numbers of humans and livestock in the basin contribute...
Regional regression equations for estimation of natural streamflow statistics in Colorado
Joseph P. Capesius, Verlin C. Stephens
2009, Scientific Investigations Report 2009-5136
The U.S. Geological Survey (USGS), in cooperation with the Colorado Water Conservation Board and the Colorado Department of Transportation, developed regional regression equations for estimation of various streamflow statistics that are representative of natural streamflow conditions at ungaged sites in Colorado. The equations define the statistical relations between streamflow statistics...
Ground-Water Quality Data in the Coachella Valley Study Unit, 2007: Results from the California GAMA Program
Dara A. Goldrath, Michael T. Wright, Kenneth Belitz
2009, Data Series 373
Ground-water quality in the approximately 820 square-mile Coachella Valley Study Unit (COA) was investigated during February and March 2007 as part of the Priority Basin Project of the Groundwater Ambient Monitoring and Assessment (GAMA) Program. The GAMA Priority Basin Project was developed in response to the Groundwater Quality Monitoring Act...
Geologic Map of The Volcanoes Quadrangle, Bernalillo and Sandoval Counties, New Mexico
Ren A. Thompson, Ralph R. Shroba, Christopher M. Menges, Dwight L. Schmidt, Stephen F. Personius, Theodore R. Brandt
2009, Scientific Investigations Map 3083
This geologic map, in support of the U.S. Geological Survey Middle Rio Grande Basin Geologic Mapping Project, shows the spatial distribution of surficial deposits, lava flows, and related sediments of the Albuquerque volcanoes, upper Santa Fe Group sediments, faults, and fault-related structural features. These deposits are on, along, and beneath...
Quality of Surface Water in Missouri, Water Year 2008
William Otero-Benitez, Jerri V. Davis
2009, Open-File Report 2009-1214
The U.S. Geological Survey, in cooperation with the Missouri Department of Natural Resources, designed and operates a series of monitoring stations on streams throughout Missouri known as the Ambient Water-Quality Monitoring Network. During the 2008 water year (October 1, 2007, through September 30, 2008), data were collected at 67 stations,...
Multivariate Statistical Models for Predicting Sediment Yields from Southern California Watersheds
Joseph E. Gartner, Susan H. Cannon, Dennis R. Helsel, Mark Bandurraga
2009, Open-File Report 2009-1200
Debris-retention basins in Southern California are frequently used to protect communities and infrastructure from the hazards of flooding and debris flow. Empirical models that predict sediment yields are used to determine the size of the basins. Such models have been developed using analyses of records of the amount of material...
Application guide for AFINCH (Analysis of Flows in Networks of Channels) described by NHDPlus
David J. Holtschlag
2009, Scientific Investigations Report 2009-5188
AFINCH (Analysis of Flows in Networks of CHannels) is a computer application that can be used to generate a time series of monthly flows at stream segments (flowlines) and water yields for catchments defined in the National Hydrography Dataset Plus (NHDPlus) value-added attribute system. AFINCH provides a basis for integrating...
Bankfull discharge and channel characteristics of streams in New York State
Christiane I. Mulvihill, Barry P. Baldigo, Sarah J. Miller, Douglas DeKoskie, Joel DuBois
2009, Scientific Investigations Report 2009-5144
Equations that relate drainage area to bankfull discharge and channel characteristics (such as width, depth, and cross-sectional area) at gaged sites are needed to help define bankfull discharge and channel characteristics at ungaged sites and can be used in stream-restoration and protection projects, stream-channel classification, and channel assessments. These equations...
Sidescan Sonar Imagery of the Escanaba Trough, Southern Gorda Ridge, Offshore Northern California
Stephanie L. Ross, Robert A. Zierenberg
2009, Scientific Investigations Map 2907
This map features sidescan imagery of the northern Escanaba (NESCA) site at the Escanaba Trough, southern Gorda Ridge, offshore northern California. The Escanaba Trough, a largely sediment-covered seafloor spreading center, contains at least six large massive sulfide deposits. It is a slow spreading center (2.5 cm/yr) with axial depths locally...
Hydrogeology and Ground-Water Flow in the Opequon Creek Watershed area, Virginia and West Virginia
Mark D. Kozar, David J. Weary
2009, Scientific Investigations Report 2009-5153
Due to increasing population and economic development in the northern Shenandoah Valley of Virginia and West Virginia, water availability has become a primary concern for water-resource managers in the region. To address these issues, the U.S. Geological Survey (USGS), in cooperation with the West Virginia Department of Health and Human...
Capacitively Coupled Resistivity Survey of Selected Irrigation Canals Within the North Platte River Valley, Western Nebraska and Eastern Wyoming, 2004 and 2007-2009
Bethany L. Burton, Michaela R. Johnson, Joseph Vrabel, Brian H. Imig, Jason Payne, Ryan E. Tompkins
2009, Scientific Investigations Report 2009-5194
Due to water resources of portions of the North Platte River basin being designated as over-appropriated by the State of Nebraska Department of Natural Resources (DNR), the North Platte Natural Resources District (NPNRD), in cooperation with the DNR, is developing an Integrated Management Plan (IMP) for groundwater and surface water...