Watershed Effects on Streamflow Quantity and Quality in Six Watersheds of Gwinnett County, Georgia
Mark N. Landers, Paul D. Ankcorn, Keith W. McFadden
2007, Scientific Investigations Report 2007-5132
Watershed management is critical for the protection and enhancement of streams that provide multiple benefits for Gwinnett County, Georgia, and downstream communities. Successful watershed management requires an understanding of how stream quality is affected by watershed characteristics. The influence of watershed characteristics on stream quality is complex, particularly for the...
Marl prairie vegetation response to 20th century hydrologic change
Christopher E. Bernhardt, Debra A. Willard
2007, Open-File Report 2006-1355
We conducted geochronologic and pollen analyses from sediment cores collected in solution holes within marl prairies of Big Cypress National Preserve to reconstruct vegetation patterns of the last few centuries and evaluate the stability and longevity of marl prairies within the greater Everglades ecosystem. Based on radiocarbon dating and pollen...
Three-Dimensional Geologic Framework Model for a Karst Aquifer System, Hasty and Western Grove Quadrangles, Northern Arkansas
Kenzie J. Turner, Mark R. Hudson, Kyle E. Murray, David N. Mott
2007, Scientific Investigations Report 2007-5095
Understanding ground-water flow in a karst aquifer benefits from a detailed conception of the three-dimensional (3D) geologic framework. Traditional two-dimensional products, such as geologic maps, cross-sections, and structure contour maps, convey a mental picture of the area but a stronger conceptualization can be achieved by constructing a digital 3D representation...
Influence of Locally Derived Recharge on the Water Quality and Temperature of Springs in Hot Springs National Park, Arkansas
Richard W. Bell, Phillip D. Hays
2007, Scientific Investigations Report 2007-5004
The hot springs of Hot Springs National Park consist of a mixture of water from two recharge components: a primary hot-water component and a secondary cold-water component. Widespread distribution of fractures enables mixing of the hot- and cold-water components of flow near the discharge area for the springs. Urbanization in...
Description and User Manual for a Web-Based Interface to a Transit-Loss Accounting Program for Monument and Fountain Creeks, El Paso and Pueblo Counties, Colorado
Gerhard Kuhn, Gary S. Krammes, Vivian J. Beal
2007, Scientific Investigations Report 2007-5028
The U.S. Geological Survey, in cooperation with Colorado Springs Utilities, the Colorado Water Conservation Board, and the El Paso County Water Authority, began a study in 2004 with the following objectives: (1) Apply a stream-aquifer model to Monument Creek, (2) use the results of the modeling to develop a transit-loss...
Methods for estimating magnitude and frequency of peak flows for natural streams in Utah
Terry A. Kenney, Chris D. Wilkowske, Shane J. Wright
2007, Scientific Investigations Report 2007-5158
Estimates of the magnitude and frequency of peak streamflows is critical for the safe and cost-effective design of hydraulic structures and stream crossings, and accurate delineation of flood plains. Engineers, planners, resource managers, and scientists need accurate estimates of peak-flow return frequencies for locations on streams with and without streamflow-gaging...
Hydrogeologic investigation, water chemistry analysis, and model delineation of contributing areas for City of Tallahassee public-supply wells, Tallahassee, Florida
J. Hal Davis, Brian G. Katz
2007, Scientific Investigations Report 2007-5070
Ground water from the Upper Floridan aquifer is the sole source of water supply for Tallahassee, Florida, and the surrounding area. The City of Tallahassee (the City) currently operates 28 water-supply wells; 26 wells are distributed throughout the City and 2 are located in Woodville, Florida. Most of these wells...
Hydrogeology and Potentiometric Surface of the Dublin and Midville Aquifer Systems in Richmond County, Georgia, January 2007
Lester J. Williams
2007, Scientific Investigations Map 2982
INTRODUCTION The Dublin and Midville aquifer systems are part of the Cretaceous aquifer system that underlies most of Richmond County, Georgia (Gorday, 1985; Falls and others, 1997). The Cretaceous aquifer system is the second most productive aquifer in Georgia and is a major source of water in the region. About 220...
Geologic map of the Craters of the Moon 30' x 60' Quadrangle, Idaho
Mel A. Kuntz, Betty Skipp, Duane E. Champion, Philip B. Gans, D. Paco VanSistine, Scott R. Snyders
2007, Scientific Investigations Map 2969
The Craters of the Moon 30 x 60 minute quadrangle shows the geology of the northern two-thirds of the Craters of the Moon (COM) lava field and volcanic structures of the northern and central parts of the Great Rift volcanic rift zone. The COM lava field is the largest,...
Organic geochemistry of sediments in nearshore areas of the Mississippi and Atchafalaya Rivers: I. General organic characterization
William H. Orem, Robert J. Rosenbauer, Peter W. Swarzenski, Harry E. Lerch, M.D. Corum, Anne L. Bates
2007, Open-File Report 2007-1180
This report presents results on the general organic characteristics of sediment cores collected from the coastal zone of the Mississippi River system, including distributions of the important nutrient elements (C, N, P, and S). This was part of a larger study conducted from 2001-2005 to examine the delivery of sediment-associated...
Water Resources of the Duck River Watershed, Tennessee
R.R. Knight, J.A. Kingsbury
2007, Scientific Investigations Report 2007-5105
The U.S. Geological Survey began a study in 2003 in cooperation with the Tennessee Duck River Development Agency to assess the hydrology of the Duck River watershed from Normandy Dam downstream to Columbia, Tennessee. Ground-water-level data, spring-flow, bacteria samples, and streamflow were collected during this study to characterize the hydrology...
Ground-water age and quality in the High Plains Aquifer near Seward, Nebraska, 2003-04
Jennifer S. Stanton, Matthew K. Landon, Michael J. Turco
2007, Scientific Investigations Report 2007-5088
The U.S. Geological Survey, in cooperation with the City of Seward, Nebraska, conducted a study of ground-water age and quality to improve understanding of: (1) traveltimes from recharge areas to public-supply wells, (2) the effects of geochemical reactions in the aquifer on water quality, and (3) how water quality has...
Evaluation of Ground Water Near Sidney, Western Nebraska, 2004-05
G. V. Steele, S. S. Sibray, K.A. Quandt
2007, Scientific Investigations Report 2007-5086
During times of drought, ground water in the Lodgepole Creek area around Sidney, western Nebraska, may be insufficient to yield adequate supplies to private and municipal wells. Alternate sources of water exist in the Cheyenne Tablelands north of the city, but these sources are limited in extent. In 2003, the...
Re-Evaluation of the 1921 Peak Discharge at Skagit River near Concrete, Washington
M. C. Mastin
2007, Scientific Investigations Report 2007-5159
The peak discharge record at the U.S. Geological Survey (USGS) gaging station at Skagit River near Concrete, Washington, is a key record that has come under intense scrutiny by the scientific and lay person communities in the last 4 years. A peak discharge of 240,000 cubic feet per second for...
Magnetotelluric Data, Mid Valley, Nevada Test Site, Nevada
Jackie M. Williams, Erin L. Wallin, Brian D. Rodriguez, Charles R. Lindsey, Jay A. Sampson
2007, Open-File Report 2007-1123
Introduction The United States 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. One issue of concern is the...
Two-Dimensional Flood-Inundation Model of the Flint River at Albany, Georgia
Jonathan W. Musser, Thomas R. Dyar
2007, Scientific Investigations Report 2007-5107
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). Simulated inundated areas, in 1-foot (ft) increments, were created for...
Assessment of hydrology, water quality, and trace elements in selected placer-mined creeks in the birch creek watershed near central, Alaska, 2001-05
Ben W. Kennedy, Dustin E. Langley
2007, Scientific Investigations Report 2007-5124
Executive Summary The U.S. Geological Survey, in cooperation with the Bureau of Land Management, completed an assessment of hydrology, water quality, and trace-element concentrations in streambed sediment of the upper Birch Creek watershed near Central, Alaska. The assessment covered one site on upper Birch Creek and paired sites, upstream and...
Ground-Water Data and Flow Directions in the Vicinity of Swamp Road, Licking County, Ohio, 2006-07
Denise H. Dumouchelle
2007, Open-File Report 2007-1211
The Natural Resources Conservation Service (NRCS) is proposing to build a dry dam on the South Fork Licking River to mitigate flood impacts. Concerns have been raised regarding the effects of impounded floodwaters on ground-water conditions in the Swamp Road neighborhood. To obtain a better understanding of existing ground-water conditions,...
Strontium Isotopic Composition of Paleozoic Carbonate Rocks in the Nevada Test Site Vicinity, Clark, Lincoln, and Nye Counties, Nevada, and Inyo County, California
James B. Paces, Zell E. Peterman, Kiyoto Futo, Thomas A. Oliver, Brian D. Marshall
2007, Data Series 280
Ground water moving through permeable Paleozoic carbonate rocks represents the most likely pathway for migration of radioactive contaminants from nuclear weapons testing at the Nevada Test Site, Nye County, Nevada. The strontium isotopic composition (87Sr/86Sr) of ground water offers a useful means of testing hydrochemical models of regional flow involving...
Rainfall, Streamflow, and Water-Quality Data During Stormwater Monitoring, Halawa Stream Drainage Basin, Oahu, Hawaii, July 1, 2006 to June 30, 2007
Stacie T. M. Young, Marcael T. J. Jamison
2007, Open-File Report 2007-1213
Storm runoff water-quality samples were collected as part of the State of Hawaii Department of Transportation Stormwater Monitoring Program. This program is designed to assess the effects of highway runoff and urban runoff on Halawa Stream. For this program, rainfall data were collected at two stations, continuous streamflow data at...
Simulation of Surface-Water Conditions in the Nontidal Passaic River Basin, New Jersey
Frederick J. Spitz
2007, Scientific Investigations Report 2007-5052
The Passaic River Basin, the third largest drainage basin in New Jersey, encompasses 950 mi2 (square miles) in the highly urbanized area outside New York City, with a population of 2 million. Water quality in the basin is affected by many natural and anthropogenic factors. Nutrient loading to the Wanaque...
Long-Term Ground-Water Levels and Transmissivity in the Blackstone River Basin, Northern Rhode Island
Jack R. Eggleston, Peter E. Church, Jeffrey R. Barbaro
2007, Scientific Investigations Report 2006-5295
Ground water provides about 7.7 million gallons per day, or 28 percent of total water use in the Rhode Island part of the Blackstone River Basin. Primary aquifers in the basin are stratified glacial deposits, composed mostly of sand and gravel along valley bottoms. The ground-water and surface-water system in...
Longitudinal patterns of fish assemblages, aquatic habitat, and water temperature in the Lower Crooked River, Oregon
Christian E. Torgersen, David P. Hockman-Wert, Douglas S. Bateman, David W. Leer, Robert E. Gresswell
2007, Open-File Report 2007-1125
The Lower Crooked River is a remarkable groundwater-fed stream flowing through vertical basalt canyons in the Deschutes River Valley ecoregion in central Oregon (Pater and others, 1998). The 9-mile section of the river between the Crooked River National Grasslands boundary near Ogden Wayside and river mile (RM) 8 is protected...
Simulation of Regional Ground-Water Flow in the Suwannee River Basin, Northern Florida and Southern Georgia
Michael Planert
2007, Scientific Investigations Report 2007-5031
The Suwannee River Basin covers a total of nearly 9,950 square miles in north-central Florida and southern Georgia. In Florida, the Suwannee River Basin accounts for 4,250 square miles of north-central Florida. Evaluating the impacts of increased development in the Suwannee River Basin requires a quantitative understanding of the boundary...
Geologic Characterization of Young Alluvial Basin-Fill Deposits from Drill-Hole Data in Yucca Flat, Nye County, Nevada
Donald S. Sweetkind, Ronald M. Drake II
2007, Scientific Investigations Report 2007-5062
Yucca Flat is a topographic and structural basin in the northeastern part of the Nevada Test Site in Nye County, Nevada, that has been the site of numerous underground nuclear tests; many of these tests occurred within the young alluvial basin-fill deposits. The migration of radionuclides to the Paleozoic carbonate...
