Application of acoustic velocity meters for gaging discharge of three low-velocity tidal streams in the St. Johns River basin, northeast Florida
J. V. Sloat, W. S. Gain
1995, Water-Resources Investigations Report 95-4230
Index-velocity data collected with acoustic velocity meters, stage data, and cross-sectional area data were used to calculate discharge at three low-velocity, tidal streamflow stations in north-east Florida. Discharge at three streamflow stations was computed as the product of the channel cross-sectional area and the mean velocity as determined from an...
Sampling design and procedures for fixed surface-water sites in the Georgia-Florida coastal plain study unit, 1993
H. H. Hatzell, E. T. Oaksford, C.E. Asbury
1995, Open-File Report 95-279
The implementation of design guidelines for the National Water-Quality Assessment (NAWQA) Program has resulted in the development of new sampling procedures and the modification of existing procedures commonly used in the Water Resources Division of the U.S. Geological Survey. The Georgia-Florida Coastal Plain (GAFL) study unit began the intensive data...
An observed-streambed-scour index for selected bridges in southwestern Indiana, 1991
B.A. Robinson, R.E. Thompson Jr.
1995, Water-Resources Investigations Report 95-4264
Streambed-scour was assessed at 1,338 federal-aid bridges in southwestern Indiana during 1991. The assessments were conducted as part of a 7-year study by the U.S. Geological Survey in cooperation with the Indiana Department of Transportation (INDOT) that will evaluate 5,600 bridge sites throughout the State. Measurements and observations of remnant...
Evaluation of ground-water flow and hydrologic budget for Lake Five-O, a seepage lake in northwestern Florida
J. W. Grubbs
1995, Water-Resources Investigations Report 94-4145
Temporal and spatial distributions of ground-water inflow to, and leakage from Lake Five-O, a softwater, seepage lake in northwestern Florida, were evaluated using hydrologic data and simulation models of the shallow ground-water system adjacent to the lake. The simulation models indicate that ground-water inflow to the lake and leakage from...
The use of three-parameter rating table lookup programs, RDRAT and PARM3, in hydraulic flow models
C.L. Sanders Jr.
1995, Water-Resources Investigations Report 95-4090
Subroutines RDRAT and PARM3 enable computer programs such as the BRANCH open-channel unsteady-flow model to route flows through or over combinations of critical-flow sections, culverts, bridges, road- overflow sections, fixed spillways, and(or) dams. The subroutines also obstruct upstream flow to simulate operation of flapper-type tide gates. A multiplier can be...
Distribution of carbonate-rock aquifers and the potential for their development, southern Nevada and adjacent parts of California, Arizona, and Utah
M. D. Dettinger, J. R. Harrill, D. L. Schmidt, J.W. Hess
1995, Water-Resources Investigations Report 91-4146
In 1985, the State of Nevada entered into a cooperative effort with the U.S. Department of the Interior to study and test the State's carbonate- rock aquifers. The studies were focused on southern Nevada and were intended to address the following concerns: Where is water potentially available in the aquifers?;...
Results of ground-water, surface-water, and water-chemistry monitoring, Black Mesa area, northeastern Arizona, 1994
G. R. Littin, S. A. Monroe
1995, Water-Resources Investigations Report 95-4238
The Black Mesa monitoring program is designed to document long-term effects of ground-water pumping from the N aquifer by industrial and municipal users. The N aquifer is the major source of water in the 5,400-square-mile Black Mesa area, and the ground water occurs under confined and unconfined conditions. Monitoring activities...
Geohydrology and simulation of ground-water flow near Los Alamos, north-central New Mexico
P. F. Frenzel
1995, Water-Resources Investigations Report 95-4091
An existing model was modified in recognition of new geohydrologic interpretations and adjusted to simulate hydrographs in well fields in the Los Alamos area. Hydraulic-head drawdowns at the Buckman well field resulting from two projected ground-water-withdrawal alternatives were estimated with the modified model. The Chaquehui formation (informal usage)...
Application of a sediment-transport model to estimate bridge scour at selected sites in Colorado, 1991-93
J. E. Vaill
1995, Water-Resources Investigations Report 95-4179
A bridge-scour study by the U.S. Geological Survey, in cooperation with the Colorado Department of Transportation, was begun in 1991 to evaluate bridges in the State for potential scour during floods. A part of that study was to apply a computer model for sediment-transport routing to simulate channel aggradation or...
Assessment of the subsurface hydrology of the UIC-NARL main camp, near Barrow, Alaska, 1993-94
K. A. McCarthy, G. L. Solin
1995, Open-File Report 95-737
Imikpuk Lake serves as the drinking-water source for the Ukpeagvik Inupiat Corporation-National Arctic Research Laboratory (UIC-NARL, formerly known as the Naval Arctic Research Laboratory) near Barrow, Alaska. Previously acceptable hazardous-waste disposal practices and accidental releases of various fuels and solvents during the past several decades have resulted in contamination of...
Evaluation of a monitoring program for assessing the effects of management practices on the quantity and quality of drainwater from the Panoche Water District, western San Joaquin Valley, California
David A. Leighton, John L. Fio
1995, Open-File Report 95-731
An evaluation was made of an existing monitoring program in the Panoche Water District for 1986-93. The Panoche Water District is an agricultural area located in the western San Joaquin Valley of California. Because irrigation drainage from this area has high concentrations of dissolved solids and selenium, management strategies have...
Geochemistry of ground water in the Gallup, Dakota, and Morrison aquifers, San Juan Basin, New Mexico
W. L. Dam
1995, Water-Resources Investigations Report 94-4253
Ground water was sampled from wells completed in the Gallup, Dakota, and Morrison aquifers in the San Juan Basin, New Mexico, to examine controls on solute concentrations. Samples were collected from 38 wells primarily from the Morrison aquifer (25 wells) in the northwestern part of the basin. A series of samples was collected...
Streamflow, ground-water recharge and discharge, and characteristics of surficial deposits in Buzzards Bay basin, southeastern Massachusetts
Gardner C. Bent
1995, Water-Resources Investigations Report 95-4234
Streamflows exceeded between 50 and 99 percent of the time during water years 1967-91 were estimated for 14 low-flow partial-record stations and two discontinued streamflow-gaging stations in Buzzards Bay Basin, Massachusetts. At low flows, stream discharge per unit area for subbasins underlain primarily by stratified-drift deposits was several times greater...
Flood of 1993—Mississippi River near the Jefferson National Expansion Memorial (Arch), St. Louis, Missouri
Rodney E. Southard, Brenda J. Smith
1995, Fact Sheet 188-95
River-flow data have been collected on the Mississippi River at St. Louis near the Jefferson National Expansion Memorial (Arch) since 1861. Water at this location is excess river flow from 13 States and part of Canada (drainage area of about 697,000 square miles). Many disaster conditions, including floods and droughts,...
Geology, Streamflow, and Water Chemistry of the Talufofo Stream Basin, Saipan, Northern Mariana Islands
Scot K. Izuka, Charles J. Ewart III
1995, Water-Resources Investigations Report 95-4183
A study of the geology, streamflow, and water chemistry of Talufofo Stream Basin, Saipan, Commonwealth of the Northern Mariana Islands, was undertaken to determine the flow characteristics of Talufofo Stream and the relation to the geology of the drainage basin. The Commonwealth government is exploring the feasibility of using water...
Water levels in the Calumet aquifer and their relation to surface-water levels in northern Lake County, Indiana, 1985-92
Theodore K. Greeman
1995, Water-Resources Investigations Report 94-4110
The U.S. Geological Survey made 2,328 water-level measurements at a total of 96 ground-water and surface-water sites in northern Lake County, Indiana, from August 1985 through September 1992. This report lists and summarizes the significance of the measurements. Northern Lake County is on the southern shore of Lake Michigan and...
Water-quality conditions at selected landfills in Mecklenburg County, North Carolina, 1986-92
G.M. Ferrell, D.G. Smith
1995, Water-Resources Investigations Report 95-4067
Water-quality conditions at five municipal landfills in Mecklenburg County, North Carolina, were studied during 1986-92. Analytical results of water samples from monitoring wells and streams at and near the landfills were used to evaluate effects of leachate on surface and ground water. Ground-water levels at monitoring wells were used to...
Base-flow characteristics of streams in the Valley and Ridge, Blue Ridge, and Piedmont physiographic provinces of Virginia
D.L. Nelms, G.E. Harlow Jr., Donald C. Hayes
1995, Open-File Report 95-298
Growth within the Valley and Ridge, Blue Ridge, and Piedmont Physiographic Provinces of Virginia has focused concern about allocation of surface-water flow and increased demands on the ground-water resources. The purpose of this report is to (1) describe the base-flow characteristics of streams, (2) identify regional differences in these flow...
Geohydrology and water quality of stratified-drift aquifers in the middle Merrimack River basin, south-central New Hampshire
Joseph D. Ayotte, Kenneth W. Toppin
1995, Water-Resources Investigations Report 92-4192
The U.S. Geological Survey, in cooperation with the State of New Hampshire, Department of Environmental Services, Water Resources Division has assessed the geohydrology and water quality of stratified-drift aquifers in the middle Merrimack River basin in south-central New Hampshire. The middle Merrimack River basin drains 469 square miles; 98 square...
Potential hazards from flood in part of the Chalone Creek and Bear Valley drainage basins, Pinnacles National Monument, California
Robert W. Meyer
1995, Open-File Report 95-426
Areas of Chalone Creek and Bear Valley drainage basins in Pinnacles National Monument, California, are subject to frontal storms that can cause major flooding from November to April in areas designated for public use. To enhance visitor safety and to protect cultural and natural resources, the U.S. Geological Survey in...
Water-quality assessment in the Trinity River Basin, Texas: Nutrient concentrations in streams winter and spring 1994
Allison A. Shipp
1995, Fact Sheet 231-95
A consistent, basin-wide set of data for streams in the Trinity River Basin is a necessary baseline to compare current conditions with historical data and to provide a reference for future studies. In addition, the basin-wide surveys begin the process of addressing the cause-effect relations for water quality in the...
Geohydrology and water quality of the Durham Center Area, Durham, Connecticut
R.L. Melvin, J. R. Stone, P. A. Craft, J.W. Lane Jr., B.S. Davies III
1995, Water-Resources Investigations Report 94-4237
Contaminated ground water is widespread and persistent beneath the Durham Center area in the town of Durham, Conn. Most of the contaminants are organic halides, usually trichloroethene, 1,1,1-trichloroethane, and tetrachloroethene. Less extensive chemical contamination of surface water, soil, and glacial sediments also has been detected. Two manufacturing companies, located at...
Flow duration of Kentucky streams through 1990; historical and monthly flow characteristics, including the effects of reservoirs
K.J. Ruhl, R.J. Burns, G. R. Martin, D.P. Allgeier
1995, Open-File Report 95-353
This report presents flow-duration tables and plots for selected streamflow sites in Kentucky with three or more years of continuous record through 1990. Flow duration describes the frequency with which given streamflows are equalled or exceeded. The flow-duration tables were computed using daily mean discharge values for the entire period...
Water-quality assessment of the Trinity River Basin, Texas— Analysis of available information on nutrients and suspended sediment, 1974-91
Peter C. Van Metre, David C. Reutter
1995, Water-Resources Investigations Report 94-4086
The U.S. Geological Survey is conducting an assessment of water quality in the Trinity River Basin as part of the National Water-Quality Assessment Program. During the planning phase of this study, existing information on nutrients and suspended sediment was compiled and analyzed. A total of about 5,700 water-quality samples were...
Hydrology of Laguna Joyuda, Puerto Rico
Luis Santiago-Rivera, Vicente Quinones-Aponte
1995, Water-Resources Investigations Report 93-4135
A study was conducted by the U.S. Geological Survey to define the hydraulic and hydrologic characteristics of the Laguna Joyuda system (in southwestern Puerto Rico) and to determine the water budget of the lagoon. This shallow-water lagoon is connected to the sea by a single canal. Rainfall and evaporation, surface-water,...
