Davis Pond freshwater prediversion biomonitoring study: freshwater fisheries and eagles
Jill A. Jenkins, E. Beth Bourgeois, Clint W. Jeske
2008, Scientific Investigations Report 2008-5067
In January 2001, the construction of the Davis Pond freshwater diversion structure was completed by the U.S. Army Corps of Engineers. The diversion of freshwater from the Mississippi River is intended to mitigate saltwater intrusion from the Gulf of Mexico and to lessen the concomitant loss of wetland areas. In...
User Guide and Documentation for Five MODFLOW Ground-Water Modeling Utility Programs
Edward R. Banta, Suzanne S. Paschke, David W. Litke
2008, Techniques and Methods 6-A28
This report documents five utility programs designed for use in conjunction with ground-water flow models developed with the U.S. Geological Survey's MODFLOW ground-water modeling program. One program extracts calculated flow values from one model for use as input to another model. The other four programs extract model input or output...
Simulation of ground-water flow in the Shenandoah Valley, Virginia and West Virginia, using variable-direction anisotropy in hydraulic conductivity to represent bedrock structure
Richard M. Yager, Scott C. Southworth, Clifford I. Voss
2008, Scientific Investigations Report 2008-5002
Ground-water flow was simulated using variable-direction anisotropy in hydraulic conductivity to represent the folded, fractured sedimentary rocks that underlie the Shenandoah Valley in Virginia and West Virginia. The anisotropy is a consequence of the orientations of fractures that provide preferential flow paths through the rock, such that the direction of...
Environmental factors affecting mercury in Camp Far West Reservoir, California, 2001-03
Charles N. Alpers, A. Robin Stewart, Michael K. Saiki, Mark C. Marvin-DiPasquale, Brent R. Topping, Kelly M. Rider, Steven K. Gallanthine, Cynthia A. Kester, Robert O. Rye, Ronald C. Antweiler, John F. De Wild
2008, Scientific Investigations Report 2006-5008
This report documents water quality in Camp Far West Reservoir from October 2001 through August 2003. The reservoir, located at approximately 300 feet above sea level in the foothills of the northwestern Sierra Nevada, California, is a monomictic lake characterized by extreme drawdown in the late summer and fall. Thermal...
Using logistic regression to predict a probability of debris flows in areas burned by wildfires, southern California, 2003-2006
Michael G. Rupert, Susan H. Cannon, Joseph E. Gartner, John A. Michael, Dennis R. Helsel
2008, Open-File Report 2008-1370
Logistic regression was used to develop statistical models that can be used to predict the probability of debris flows in areas recently burned by wildfires by using data from 14 wildfires that burned in southern California during 2003-2006. Twenty-eight independent variables describing the basin morphology, burn severity, rainfall, and soil...
Ground-water quality data in the middle Sacramento Valley study unit, 2006— Results from the California GAMA program
Stephen J. Schmitt, Miranda S. Fram, Barbara J. Milby Dawson, Kenneth Belitz
2008, Data Series 385
Ground-water quality in the approximately 3,340 mi2 Middle Sacramento Valley study unit (MSACV) was investigated from June through September, 2006, as part of the California Groundwater Ambient Monitoring and Assessment (GAMA) program. The GAMA Priority Basin Assessment project was developed in response to the Groundwater Quality Monitoring Act of 2001 and...
Spatial and temporal trends in nitrate concentrations in the eastern San Joaquin Valley regional aquifer and implications for fertilizer management
Karen R. Burow, Christopher T. Green
2008, Conference Paper, Proceedings of the American Society of Agronomy, California Chapter annual meeting
Ground-water withdrawals in the San Joaquin Valley totaled 64 million m3 /day (19 million ac-ft) in 2000, supplying about 45% of agricultural irrigation demand and about 80% of municipal supply (Hutson et al., 2004). Most of the population and ground-water use are in the eastern San Joaquin Valley, where reliance...
Temporal Geochemistry Data from Five Springs in the Cement Creek Watershed, San Juan County, Colorado
Raymond H. Johnson, Laurie Wirt, Kenneth J. Leib
2008, Open-File Report 2007-1249
Temporal data from five springs in the Cement Creek watershed, San Juan County, Colorado provide seasonal geochemical data for further research in the formation of ferricretes. In addition, these data can be used to help understand the ground-water flow system. The resulting data demonstrate the difficulty in gathering reliable seasonal...
Evaluation of four structural best management practices for highway runoff in Beaufort and Colleton Counties, South Carolina, 2005–2006
Kevin J. Conlon, Celeste A. Journey
2008, Scientific Investigations Report 2008-5150
From 2005 to 2006, the U.S. Geological Survey worked cooperatively with the South Carolina Department of Transportation in Beaufort and Colleton Counties, South Carolina, to assess the performance of four different structural devices that served as best management practices (BMPs). These structural devices were installed to mitigate the effects of...
Simulation of Flood Profiles for Catoma Creek near Montgomery, Alabama, 2008
K.G. Lee, T.S. Hedgecock
2008, Scientific Investigations Report 2008-5171
A one-dimensional step-backwater model was used to simulate flooding conditions for Catoma Creek near Montgomery, Alabama. A peak flow of 50,000 cubic feet per second was computed by the U.S. Geological Survey for the March 1990 flood at the Norman Bridge Road gaging station. Using this estimated peak flow, flood-plain...
Methods to Evaluate Influence of Onsite Septic Wastewater-Treatment Systems on Base Flow in Selected Watersheds in Gwinnett County, Georgia, October 2007
Mark N. Landers, Paul D. Ankcorn
2008, Scientific Investigations Report 2008-5220
The influence of onsite septic wastewater-treatment systems (OWTS) on base-flow quantity needs to be understood to evaluate consumptive use of surface-water resources by OWTS. If the influence of OWTS on stream base flow can be measured and if the inflow to OWTS is known from water-use data, then water-budget approaches...
Selected Ground-Water Data for Yucca Mountain Region, Southern Nevada and Eastern California, January-December 2005
Glenn L. Locke
2008, Open-File Report 2008-1265
The U.S. Geological Survey, in cooperation with the U.S. Department of Energy, Office of Civilian Radioactive Waste Management, collected, compiled, and summarized hydrologic data in the Yucca Mountain region of southern Nevada and eastern California. These data were collected to allow assessments of ground-water resources during activities to determine the...
Comments on potential geologic and seismic hazards affecting proposed liquefied natural gas site in Santa Monica Bay, California
Stephanie L. Ross, Homa J. Lee, Tom E. Parsons, Larry A. Beyer, David M. Boore, James E. Conrad, Brian D. Edwards, Michael A. Fisher, Arthur D. Frankel, Eric L. Geist, Kenneth W. Hudnut, Susan E. Hough, Robert E. Kayen, T.D. Lorenson, Nicolas Luco, Patricia A. McCrory, Mary McGann, Manuel Nathenson, Michael Nolan, Mark D. Petersen, Daniel J. Ponti, Charles L. Powell II, Holly F. Ryan, John C. Tinsley III, Chris J. Wills, Florence L. Wong, Jingping Xu
2008, Open-File Report 2008-1344
In a letter to the U.S. Geological Survey (USGS) dated March 25, 2008, Representative Jane Harman (California 36th district) requested advice on geologic hazards that should be considered in the review of a proposed liquefied natural gas (LNG) facility off the California coast in Santa Monica Bay. In 2004, the...
Hydraulic and substrate maps of reaches used by sturgeon (Genus Scaphirhynchus) in the Lower Missouri River, 2005-07
Joanna M. Reuter, Robert B. Jacobson, Caroline M. Elliott, Harold E. Johnson III, Aaron J. DeLonay
2008, Data Series 386
This report is a repository of reach-scale maps of hydraulic and substrate characteristics generated for the habitat-use portion of an interdisciplinary sturgeon research project on the Lower Missouri River (from Gavins Point Dam to the junction with the Mississippi River). The maps were derived from hydroacoustic data sets that were...
Bathymetric and hydraulic survey of the Matanuska River near Circle View Estates, Alaska
Jeffrey S. Conaway
2008, Open-File Report 2008-1359
An acoustic Doppler current profiler interfaced with a differentially corrected global positioning system was used to map bathymetry and multi-dimensional velocities on the Matanuska River near Circle View Estates, Alaska. Data were collected along four spur dikes and a bend in the river during a period of active bank erosion....
River Channel Topographic Surveys Collected Prior to and Following Elevated Flows in the Central Platte River, Spring 2008
Paul J. Kinzel
2008, Data Series 380
Rainfall in central Nebraska in late May and early June 2008 elevated streamflows in the central Platte River. Topographic surveys collected along geomorphic monitoring transects prior to these flows (May 2007, July 2007, and March 2008) were repeated in mid-June 2008. These surveys provide characterization of river topography that could...
An Integrated Hydrogeologic and Geophysical Investigation to Characterize the Hydrostratigraphy of the Edwards Aquifer in an Area of Northeastern Bexar County, Texas
Sachin D. Shah, Bruce D. Smith, Allan K. Clark, Jason Payne
2008, Scientific Investigations Report 2008-5181
In August 2007, the U.S. Geological Survey, in cooperation with the San Antonio Water System, did a hydrogeologic and geophysical investigation to characterize the hydrostratigraphy (hydrostratigraphic zones) and also the hydrogeologic features (karst features such as sinkholes and caves) of the Edwards aquifer in a 16-square-kilometer area of northeastern Bexar...
Surface-Water Exchange through Culverts beneath State Road 9336 within Everglades National Park, 2004-05
Raymond W. Schaffranek, Marc A. Stewart, Daniel J. Nowacki
2008, Data Series 358
The U.S. Geological Survey collected hydrologic data between June 2004 and December 2005 to investigate the temporal and spatial nature of flow exchanges through culverts beneath State Road 9336 within Everglades National Park. Continuous data collected during the study measured flow velocity, water level, salinity, conductivity, and water-temperature in or...
Incorporation of Fine-Grained Sediment Erodibility Measurements into Sediment Transport Modeling, Capitol Lake, Washington
Andrew W. Stevens, Guy Gelfenbaum, Edwin Elias, Craig Jones
2008, Open-File Report 2008-1340
Capitol Lake was created in 1951 with the construction of a concrete dam and control gate that prevented salt-water intrusion into the newly formed lake and regulated flow of the Deschutes River into southern Puget Sound. Physical processes associated with the former tidally dominated estuary were altered, and the dam...
Regression method for estimating long-term mean annual ground-water recharge rates from base flow in Pennsylvania
Dennis W. Risser, Ronald E. Thompson, Marla H. Stuckey
2008, Scientific Investigations Report 2008-5185
A method was developed for making estimates of long-term, mean annual ground-water recharge from streamflow data at 80 streamflow-gaging stations in Pennsylvania. The method relates mean annual base-flow yield derived from the streamflow data (as a proxy for recharge) to the climatic, geologic, hydrologic, and physiographic characteristics of the basins...
Hydrologic Analysis and Two-Dimensional Simulation of Flow at State Highway 17 crossing the Gasconade River near Waynesville, Missouri
Richard J. Huizinga
2008, Scientific Investigations Report 2008-5194
In cooperation with the Missouri Department of Transportation, the U.S. Geological Survey determined hydrologic and hydraulic parameters for the Gasconade River at the site of a proposed bridge replacement and highway realignment of State Highway 17 near Waynesville, Missouri. Information from a discontinued streamflow-gaging station on the Gasconade River near...
Use of Superposition Models to Simulate Possible Depletion of Colorado River Water by Ground-Water Withdrawal
Stanley A. Leake, William Greer, Dennis Watt, Paul Weghorst
2008, Scientific Investigations Report 2008-5189
According to the 'Law of the River', wells that draw water from the Colorado River by underground pumping need an entitlement for the diversion of water from the Colorado River. Consumptive use can occur through direct diversions of surface water, as well as through withdrawal of water from the river...
Continuous Temperature and Water-Level Data Collected for a Heat Tracer Study on a Selected Reach of Tri-State Canal, Western Nebraska, 2007
Christopher M. Hobza
2008, Data Series 381
The water supply in parts of the North Platte River Basin in the Nebraska Panhandle has been designated as fully appropriated or over appropriated by the Nebraska Department of Natural Resources. Recent legislation (LB 962) requires the North Platte Natural Resources District and the Nebraska Department of Natural Resources to...
Ground-Water Conditions and Studies in the Albany Area of Dougherty County, Georgia, 2007
Debbie W. Gordon
2008, Open-File Report 2008-1328
The U.S. Geological Survey (USGS) has been working with the Albany Water, Gas, and Light Commission to monitor ground-water quality and availability since 1977. This report presents an overview of ground-water conditions and studies in the Albany area of Dougherty County, Georgia, during 2007. Historical data are also presented for...
Hydrogeologic Framework in Three Drainage Basins in the New Jersey Pinelands, 2004-06
Richard L. Walker, Pamela A. Reilly, Kara M. Watson
2008, Scientific Investigations Report 2008-5061
The U.S. Geological Survey, in cooperation with the New Jersey Pinelands Commission, began a multi-phase hydrologic investigation in 2004 to characterize the hydrologic system supporting the aquatic and wetland communities of the New Jersey Pinelands area (Pinelands). The Pinelands is an ecologically diverse area in the southern New Jersey Coastal...
