Application of acoustical methods for estimating water flow and constituent loads in Perdido Bay, Florida
J. W. Grubbs, J. R. Pittman
1997, Water-Resources Investigations Report 97-4101
Water flow and quality data were collected from December 1994 to September 1995 to evaluate variations in discharge, water quality, and chemical fluxes (loads) through Perdido Bay, Florida. Data were collected at a cross section parallel to the U.S. Highway 98 bridge. Discharges measured with an acoustic Doppler current profiler...
Flood-hydrology data for the Potomac River and selected tributaries in the vicinity of the Chesapeake and Ohio Canal National Historical Park, Maryland, West Virginia, and the District of Columbia
Edward J. Doheny
1997, Open-File Report 97-200
This report presents flood-hydrology data for the Potomac River and selected tributaries in the vicinity of the Chesapeake and Ohio Canal National Park (C & O Canal NHP). Data were compiled for the floods of (1) March 17-19, 1936; (2) June 22-24, 1972; (3) November 4-7, 1985; (4) January...
Geomorphology of the lower Copper River, Alaska
Timothy P. Brabets
1997, Professional Paper 1581
The Copper River, located in southcentral Alaska, drains an area of more than 24,000 square miles. About 30 miles above its mouth, this large river enters Miles Lake, a proglacial lake formed by the retreat of Miles Glacier. Downstream from the outlet of Miles Lake, the Copper River flows past...
Physical characteristics of stream subbasins in the lower Minnesota River basin, south-central Minnesota
C. A. Sanocki
1997, Open-File Report 97-205
Data that describe the physical characteristics of stream subbasins upstream from selected sites on streams in the Lower Minnesota River Basin, located in south-central Minnesota are presented in this report. The physical characteristics are the drainage area of the subbasin, the percentage area of the subbasin covered only by lakes,...
Natural and mining-related sources of dissolved minerals during low flow in the Upper Animas River Basin, southwestern Colorado
Winfield G. Wright
1997, Fact Sheet 148-97
As part of the Clean Water Act of 1972 (Public Law 92-500), all States are required to establish water-quality standards for every river basin in the State. During 1994, the Colorado Department of Public Health and Environment proposed to the Colorado Water Quality Control Commission (CWQCC) an aquatic-life standard of...
Surface-water quality changes after 5 years of nutrient management in the Little Conestoga Creek headwaters, Pennsylvania, 1989-91
Edward H. Koerkle, Linda C. Gustafson-Minnich, Michael D. Bilger
1997, Water-Resources Investigations Report 97-4048
A 5.82-square-mile drainage basin in the headwaters of the Little Conestoga Creek in Lancaster County, Pa., was investigated from October 1989 through September 1991 as part of a longer-term effort to determine the effects of nutrient management on surface-water quality. A previous investigation found no statistical evidence that implementation of...
Hydraulic analysis of U.S. Highway 75 crossing of the Fall River at Neodesha, Southeast Kansas
R.W. Clement, C. A. Perry
1997, Open-File Report 97-13
A hydraulic analysis of the Fall River inthe vicinity of the existing U.S. Highway 75 crossing at Neodesha, southeast Kansas, was conducted using a combination of step-backwater (WSPRO) and culvert (CAP) analysis program. Hydraulic data for these programs were determined fromonsite inspections and surveys, and from...
Water-supply potential of major streams and the Upper Floridan Aquifer in the vicinity of Savannah, Georgia
Reggina Garza, Richard E. Krause
1997, Water Supply Paper 2411
Surface- and ground-water resources in the Savannah, Georgia, area were evaluated for potential water-supply development. Stream-discharge and water-quality data were analyzed for two major streams considered to be viable water-supply sources. A ground-water flow model was developed to be used in conjunction with other previously calibrated models to simulate the...
Study plan for urban stream indicator sites of the National Water-Quality Assessment Program
T. J. Lopes, C. V. Price
1997, Open-File Report 97-25
Urban Indicator Sites are one component of the U.S. Geological Survey?s National Water- Quality Assessment (NAWQA) Program. The objectives of monitoring at the Urban Indicator Sites are to: (1) characterize stream quality from drainage basins with predominantly residential and commercial land use, and (2) determine which selected natural and human...
Hydrogeologic data for the Blaine aquifer and associated units in southwestern Oklahoma and northwestern Texas
D. L. Runkle, D. L. Bergman, R.S. Fabian
1997, Open-File Report 97-50
This report is a compilation of hydrogeologic data collected for an areal ground-water investigation of the Blaine aquifer and associated units in southwestern Oklahoma and northwestern Texas. The study area includes parts of Greer, Harmon, and Jackson counties in Oklahoma and parts of Childress, Collingsworth, Hall, Hardeman, and Wilbarger counties...
Digital-map grids of mean-annual precipitation for 1961-90, and generalized skew coefficients of annual maximum streamflow for Oklahoma
A. H. Rea, R. L. Tortorelli
1997, Open-File Report 97-574
This digital report contains two digital-map grids of data that were used to develop peak-flow regression equations in Tortorelli, 1997, 'Techniques for estimating peak-streamflow frequency for unregulated streams and streams regulated by small floodwater retarding structures in Oklahoma,' U.S. Geological Survey Water-Resources Investigations Report 97-4202. One data set is a...
Estimates of bridge scour at two sites on the Virgin River, southeastern Nevada, using a sediment-transport model and historical geomorphic data
M.M. Hilmes, J. E. Vaill
1997, Water-Resources Investigations Report 97-4073
A bridge-scour study by the U.S. Geological Survey, in cooperation with the Nevada Department of Transportation, began in April 1996 to evaluate the Mesquite, Nevada, and Riverside, Nevada, bridges on the lower Virgin River using a sediment-transport model and historical geomorphic data. The BRIdge Stream Tube model for Alluvial River...
Comparison of two methods for estimating discharge and nutrient loads from Tidally affected reaches of the Myakka and Peace Rivers, West-Central Florida
V.A. Levesque, K.M. Hammett
1997, Open-File Report 97-118
The Myakka and Peace River Basins constitute more than 60 percent of the total inflow area and contribute more than half the total tributary inflow to the Charlotte Harbor estuarine system. Water discharge and nutrient enrichment have been identified as significant concerns in the estuary, and consequently, it is important...
Relations of Tualatin River water temperatures to natural and human-caused factors
John C. Risley
1997, Water-Resources Investigations Report 97-4071
Aquatic research has long shown that the survival of cold-water fish, such as salmon and trout, decreases markedly as water temperatures increase above a critical threshold, particularly during sensitive life stages of the fish. In an effort to improve the overall health of aquatic ecosystems, the State of Oregon in...
Hydrologic disturbance and response of aquatic biota in Big Darby Creek basin, Ohio
J.A. Hambrook, G. F. Koltun, B.B. Palcsak, J.S. Tertuliani
1997, Water-Resources Investigations Report 96-4315
Washout and recolonization of macroinvertebrates and algae associated with a spring and summer storm were measured at three sites in Ohio's Big Darby Creek Basin. Related factors, such as streamflow magnitude, shear stress, and streamed disturbance were considered when interpreting observed changes in densities and community structure of macroinvertebrates and...
Geochemical analyses of ground-water ages, recharge rates, and hydraulic conductivity of the N aquifer, Black Mesa area, Arizona
Thomas J. Lopes, John P. Hoffmann
1997, Water-Resources Investigations Report 96-4190
The Navajo Nation and Hopi Tribe of the Black Mesa area, Arizona, depend on ground water from the N aquifer to meet most tribal and industrial needs. Increasing use of this aquifer is creating concerns about possible adverse effects of increased ground-water withdrawals on the water resources of the region....
Full Equations (FEQ) model for the solution of the full, dynamic equations of motion for one-dimensional unsteady flow in open channels and through control structures
Delbert D. Franz, Charles S. Melching
1997, Water-Resources Investigations Report 96-4240
The Full EQuations (FEQ) model is a computer program for solution of the full, dynamic equations of motion for one-dimensional unsteady flow in open channels and through control structures. A stream system that is simulated by application of FEQ is subdivided into stream reaches (branches), parts of the stream system...
Evaluation of streamflow traveltime and streamflow gains and losses along the lower Purgatoire River, southeastern Colorado, 1984-92
R. G. Dash, P.R. Edelmann
1997, Water-Resources Investigations Report 96-4291
Traveltime and gains and losses within a stream are important basic characteristics of streamflow. The lower Purgatoire River flows more than 160 river miles from Trinidad to the Arkansas River near Las Animas. A better knowledge of streamflow traveltime and streamflow gains and losses along the lower Purgatoire...
Hydrogeologic investigation of the Malvern TCE Superfund Site, Chester County, Pennsylvania
Ronald A. Sloto
1997, Water-Resources Investigations Report 96-4286
The Malvern TCE Superfund Site, a former solvent recycling facility that now stores and sells solvents, consists of a plant and disposal area, which are approximately 1,900 ft (feet) apart. The site is underlain by an unconfined carbonate bedrock aquifer in which permeability has been enhanced in places by solution....
Ground-water development and the effects on ground-water levels and water quality in the town of Atherton, San Mateo County, California
Loren F. Metzger, John L. Fio
1997, Water-Resources Investigations Report 97-4033
The installation of at least 100 residential wells in the town of Atherton, California, during the 198792 drought has raised concerns about the increased potential for land subsidence and salt water intrusion. Data were collected and monitor ing networks were established to assess current processes and to monitor future conditions...
Method for rapid estimation of scour at highway bridges based on limited site data
S.R. Holnbeck, Charles Parrett
1997, Water-Resources Investigations Report 96-4310
Limited site data were used to develop a method for rapid estimation of scour at highway bridges. The estimates can be obtained in a matter of hours rather than several days as required by more-detailed methods. Such a method is important because scour assessments are needed to identify scour-critical...
Geohydrology and water chemistry in the Rialto-Colton Basin, San Bernardino County, California
Linda R. Woolfenden, Dina Kadhim
1997, Water-Resources Investigations Report 97-4012
The 40-square-mile Rialto-Colton ground- water basin is in western San Bernardino County, California, about 60 miles east of Los Angeles.This basin was chosen for storage of imported water because of the good quality of native ground water, the known capacity for additional ground-water storage in the basin, and the availability...
Use of isotopic data to evaluate recharge and geologic controls on the movement of ground water in Las Posas Valley, Ventura County, California
John A. Izbicki, Peter Martin
1997, Water-Resources Investigations Report 97-4035
Injection, storage, and recovery of imported water is planned for aquifers underlying Las Posas Valley. To evaluate sources of ground-water recharge and the age of the water (time since recharge), and to identify barriers to ground-water flow prior to the injection of imported water, samples from wells and surface sources...
Review of selected features of the natural system model, and suggestions for applications in South Florida
Jerad Bales, Janice M. Fulford, Eric D. Swain
1997, Water-Resources Investigations Report 97-4039
A study was conducted to review selected features of the Natural System Model, version 4.3 . The Natural System Model is a regional-scale model that uses recent climatic data and estimates of historic vegetation and topography to simulate pre-canal-drainage hydrologic response in south Florida. Equations used to represent the hydrologic...
Simulation of the water-table altitude in the Biscayne Aquifer, southern Dade County, Florida, water years 1945-89
Michael L. Merritt
1997, Water Supply Paper 2458
The paper describes a regional model of flows in the Biscayne Aquifer of southern Dade County during five consecutive time periods during water years 1945 to 1989 that correspond to stages in the development of a system of levees and controlled canals for water management. Data describing surface-water and ground-water...
