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Evaluation of floodplain modifications to reduce the effect of floods using a two-dimensional hydrodynamic model of the Flint River at Albany, Georgia
Jonathan W. Musser
2008, Scientific Investigations Report 2008-5223
Potential flow characteristics of future flooding along a 4.8-mile reach of the Flint River in Albany, Georgia, were simulated using recent digital-elevation-model data and the U.S. Geological Survey finite-element surface-water modeling system for two-dimensional flow in the horizontal plane (FESWMS-2DH). The model was run at four water-surface altitudes at the...
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...
Alkylphenols, other endocrine-active chemicals, and fish responses in three streams in Minnesota — Study design and data, February-September 2007
Kathy Lee, Heiko L. Schoenfuss, Nathan D. Jahns, Greg K. Brown, Larry B. Barber
2008, Data Series 405
This report presents the study design and environmental data for an integrated chemical and biological study of three streams (South Fork Crow River, Redwood River, and Grindstone River) that receive wastewater in Minnesota. The objective of the study was to identify distribution patterns of endocrine-active chemicals and other organic chemicals...
Recharge to Shale Bedrock at Averill Park, an Upland Hamlet in Eastern New York - An Estimate Based on Pumpage within a Defined Cone of Depression
Allan D. Randall, Anne Finch
2008, Scientific Investigations Report 2008-5087
Water levels beneath parts of Averill Park, a residential hamlet in an upland area of till-mantled shale bedrock in east-central New York, have declined in response to increased withdrawals from new wells. Similar experiences in many upland localities in the northeastern United States have resulted in awareness that the rate...
Natural and Human Influences on Water Quality in a Shallow Regional Unconsolidated Aquifer, Northern Atlantic Coastal Plain
Scott W. Ator
2008, Scientific Investigations Report 2008-5190
Data collected from more than 400 wells in the surficial unconfined aquifer in the Northern Atlantic Coastal Plain (New York through North Carolina) were compiled and analyzed to improve understanding of multiple natural and human influences on water quality in such shallow regional aquifers. Geochemical patterns were identified and described...
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...
Preliminary geologic map of the southern Funeral Mountains and adjacent ground-water discharge sites, Inyo County, California, and Nye County, Nevada
Christopher J. Fridrich, Ren A. Thompson, Janet L. Slate, M. E. Berry, Michael N. Machette
2008, Open-File Report 2008-1366
This map covers the southern part of the Funeral Mountains, and adjacent parts of four structural basins - Furnace Creek, Amargosa Valley, Opera House, and central Death Valley. It extends over three full 7.5-minute quadrangles, and parts of eleven others - a total area of about 950 square kilometers. The...
Gulf Sturgeon Facts
Kenneth J. Sulak, Michael T. Randall
2008, General Information Product 71
Sturgeon: An ancient type of fish, with 5 rows of armor scutes, a cartilaginous skeleton, long snout, suction mouth, no teeth, and 4 barbels. Photograph of a Gulf sturgeon. The total length of a 5-month old is 313 mm....
Carbon sequestration to mitigate climate change
Eric Sundquist, Robert Burruss, Stephen Faulkner, Robert Gleason, Jennifer Harden, Yousif Kharaka, Larry Tieszen, Mark Waldrop
2008, Fact Sheet 2008-3097
Human activities, especially the burning of fossil fuels such as coal, oil, and gas, have caused a substantial increase in the concentration of carbon dioxide (CO2) in the atmosphere. This increase in atmospheric CO2 - from about 280 to more than 380 parts per million (ppm) over the last 250...
Maps showing geology, structure, and geophysics of the central Black Hills, South Dakota
Jack A. Redden, Ed DeWitt
2008, Scientific Investigations Map 2777
This 1:100,000-scale digital geologic map details the complex Early Proterozoic granitic rocks, Early Proterozoic supracrustal metamorphic rocks, and Archean crystalline basement of the Black Hills. The granitic rocks host pegmatite deposits renowned for their feldspar, mica, spodumene, and beryl. The supracrustal rocks host the Homestake gold mine, which produced more...
Summary and Analysis of the U.S. Government Bat Banding Program
Laura E. Ellison
2008, Open-File Report 2008-1363
This report summarizes the U.S. Government Bat Banding Program (BBP) from 1932 to 1972. More than 2 million bands were issued during the program, of which approximately 1.5 million bands were applied to 36 bat species by scientists in many locations in North America including the U.S., Canada, Mexico, and...
Design and Operation of a Borehole Straddle Packer for Ground-Water Sampling and Hydraulic Testing of Discrete Intervals at U.S. Air Force Plant 6, Marietta, Georgia
Owen G. Holloway, Jonathan P. Waddell
2008, Open-File Report 2008-1349
A borehole straddle packer was developed and tested by the U.S. Geological Survey to characterize the vertical distribution of contaminants, head, and hydraulic properties in open-borehole wells as part of an ongoing investigation of ground-water contamination at U.S. Air Force Plant 6 (AFP6) in Marietta, Georgia. To better understand contaminant...
Historic trail map of the La Junta 1 degree x 2 degree quadrangle, southeastern Colorado and western Kansas
Glenn R. Scott, Richard H. Louden, F. Craig Brunstein, Carol A. Quesenberry
2008, Scientific Investigations Map 2923
This historic trail map of the La Junta quadrangle contains all or part of eight Colorado and Kansas counties. Many of the historic trails in the La Junta quadrangle were used by Indians long before the white man reached the area. The earliest recorded use of the trails by white...
Relations of Water Quality to Agricultural Chemical Use and Environmental Setting at Various Scales - Results from Selected Studies of the National Water-Quality Assessment Program
Water Resources Division, U.S. Geological Survey
2008, Fact Sheet 2007-3088
In 1991, the U.S. Geological Survey (USGS) began studies of 51 major river basins and aquifers across the United States as part of the National Water-Quality Assessment (NAWQA) Program to provide scientifically sound information for managing the Nation's water resources. The major goals of the NAWQA Program are to assess...
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...
Summary of Ground-Water Data for Brunswick County, North Carolina, Water Year 2007
Kristen Bukowski McSwain
2008, Open-File Report 2008-1307
Ground-water availability in Brunswick County, North Carolina, has been monitored continuously since 2000 through the operation and maintenance of ground-water-level observation wells in the surficial, Castle Hayne, Peedee, and Black Creek aquifers of the North Atlantic Coastal Plain aquifer system. Ground-water-resource conditions for the Brunswick County area were determined by...
Water-quality effects and characterization of indicators of onsite wastewater disposal systems in the east-central Black Hills area, South Dakota, 2006-08
Larry D. Putnam, Galen K. Hoogestraat, J. Foster Sawyer
2008, Scientific Investigations Report 2008-5232
Onsite wastewater disposal systems (OWDS) are used extensively in the Black Hills of South Dakota where many of the watersheds and aquifers are characterized by fractured or solution-enhanced bedrock with thin soil cover. A study was conducted during 2006-08 to characterize water-quality effects and indicators of OWDS. Water samples were...
Mercury in precipitation in Indiana, January 2004–December 2005
Martin R. Risch, Kathleen K. Fowler
2008, Scientific Investigations Report 2008-5148
Mercury in precipitation was monitored during 2004–2005 at five locations in Indiana as part of the National Atmospheric Deposition Program–Mercury Deposition Network (NADP–MDN). Monitoring stations were operated at Roush Lake near Huntington, Clifty Falls State Park near Madison, Fort Harrison State Park near Indianapolis, Monroe County Regional Airport near Bloomington,...
Sediment Quality and Comparison to Historical Water Quality, Little Arkansas River Basin, South-Central Kansas, 2007
Kyle E. Juracek, Patrick P. Rasmussen
2008, Scientific Investigations Report 2008-5187
The spatial and temporal variability in streambed-sediment quality and its relation to historical water quality was assessed to provide guidance for the development of total maximum daily loads and the implementation of best-management practices in the Little Arkansas River Basin, south-central Kansas. Streambed-sediment samples were collected at 26 sites in...
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...
Total dissolved gas and water temperature in the lower Columbia River, Oregon and Washington, 2008: Quality-assurance data and comparison to water-quality standards
Dwight Q. Tanner, Heather M. Bragg, Matthew W. Johnston
2008, Open-File Report 2008-1357
Significant Findings  When water is released through the spillways of dams, air is entrained in the water, increasing the downstream concentration of dissolved gases. Excess dissolved-gas concentrations can have adverse effects on freshwater aquatic life. The U.S. Geological Survey (USGS), in cooperation with the U.S. Army Corps of Engineers, collected...
Weather and Climate Monitoring Protocol, Channel Islands National Park, California
Kathryn McEachern, Paula Power, Linda Dye, Rocky Rudolph
2008, Techniques and Methods 2-B1
Weather and climate are strong drivers of population dynamics, plant and animal spatial distributions, community interactions, and ecosystem states. Information on local weather and climate is crucial in interpreting trends and patterns in the natural environment for resource management, research, and visitor enjoyment. This document describes the weather and climate...
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...
Geochemical data from analyses of rock, sediment, water, and solid-phase leaching at the Tuba City Open Dump, Tuba City, Arizona
Raymond H. Johnson, James K. Otton, Robert Horton, Tanya J. Gallegos, LaDonna M. Choate, Jonah E. Sullivan
2008, Open-File Report 2008-1374
This report releases data collected by the U.S. Geological Survey from the Tuba City Open Dump area from January 2008 to September 2008 with cooperation from the U.S. Bureau of Indian Affairs and the Navajo and Hopi Tribes. These data were collected in support of investigations into the possible sources...
Geologic model for oil and gas assessment of the Kemik-Thomson Play, central North Slope, Alaska
Christopher J. Schenk, David W. Houseknecht
2008, Scientific Investigations Report 2008-5146
A geologic model was developed to assess undiscovered oil and gas resources in the Kemik-Thomson Play of the Central North Slope, Alaska. In this model, regional erosion during the Early Cretaceous produced an incised valley system on the flanks and crest of the Mikkelsen High and formed the Lower Cretaceous...