Magnitude and frequency of floods in rural and urban basins of North Carolina
H.C. Gunter, R.R. Mason, T. C. Stamey
1987, Water-Resources Investigations Report 87-4096
The applicability of the nationwide urban flood relations in the Piedmont and Coastal Plain provinces is evaluated. Data for 254 gaging stations on rural streams with 10 or more years of record were used in multiple linear regression analyses with basin and climatic variables, to derive regional relations for estimating...
Cost-effectiveness of the stream-gaging program in Maryland, Delaware, and the District of Columbia
David H. Carpenter, R.W. James Jr., D.F. Gillen
1987, Water-Resources Investigations Report 87-4093
This report documents the results of a cost-effectiveness study of the stream-gaging program in Maryland, Delaware, and the District of Columbia. Data uses and funding sources were identified for 99 continuously operated stream gages in Maryland , Delaware, and the District of Columbia. The current operation of the program requires...
Description and comparison of selected models for hydrologic analysis of ground-water flow, St. Joseph River basin, Indiana
J. G. Peters
1987, Water-Resources Investigations Report 86-4199
The Indiana Department of Natural Resources (IDNR) is developing water-management policies designed to assess the effects of irrigation and other water uses on water supply in the basin. In support of this effort, the USGS, in cooperation with IDNR, began a study to evaluate appropriate methods for analyzing the effects...
Potential for pollution of the Upper Floridan aquifer from five sinkholes and an internally drained basin in west-central Florida
J.T. Trommer
1987, Water-Resources Investigations Report 87-4013
Sinkholes are natural and common geologic features in west-central Florida, which is underlain by water soluble limestone deposits. Dissolution of these deposits is the fundamental cause of sinkhole development. Sinkholes and other karst features are more pronounced in the northern part of the study area, but sinkhole activity has occurred...
Nonpoint-source agricultural chemicals in ground water in Nebraska; preliminary results for six areas of the High Plains Aquifer
Hsiu-Hsiung Chen, A.D. Druliner
1987, Water-Resources Investigations Report 86-4338
The reconnaissance phase of a study to determine the occurrence of agricultural chemicals from nonpoint sources in groundwater in six areas, which represented the major provinces of the High Plains aquifer in Nebraska is described. In 1984, water from 82 wells in the 6 study areas was analyzed for nitrate,...
Water resources of the Rio Grande de Añasco-lower valley, Puerto Rico
Jose Raul Diaz, Donald G. Jordan
1987, Water-Resources Investigations Report 85-4237
A large amount of water suitable for most uses is available in the lower Rio Grande de Anasco Valley, the major source of which is the Rio Grande de Anasco which contributes about 95% of the surface water inflow to the lower valley. River flow at El Espino exceeds 100...
Simulation of trickle irrigation, an extension to the US Geological Survey's computer program VS2D
R. W. Healy
1987, Water-Resources Investigations Report 87-4086
A method is presented for simulating water movement through unsaturated porous media in response to a constant rate of application from a surface source. Because the rate at which water can be absorbed by soil is limited, the water will pond; therefore the actual surface area over which the water...
Technique for estimating flood-peak discharges and frequencies on rural streams in Illinois
G.W. Curtis
1987, Water-Resources Investigations Report 87-4207
Flood-peak discharges and frequencies are presented for 394 gaged sites in Illinois, Indiana, and Wisconsin for recurrence intervals ranging from 2 to 100 years. A technique is presented for estimating flood-peak discharges at recurrence intervals ranging from 2 to 500 years for nonregulated streams in Illinois with drainage areas ranging...
Ground-water resources of the Bisbee-Naco Area, Cochise County, Arizona
G. R. Littin
1987, Water-Resources Investigations Report 87-4103
The Bisbee-Naco Area is in southeastern Arizona and northeastern Sonora, Mexico. Annual rainfall averages about 17 inches. The basin fill is the principal aquifer and supplies about 95% of all water for domestic purposes. The total groundwater pumped in 1985 was about 6,500 acre/ft. Of that amount, 2,200 acre-ft was...
Effects on water quality due to flood-water detention by Barker and Addicks Reservoirs, Houston, Texas
Fred Liscum, R.L. Goss, E.M. Paul
1987, Water-Resources Investigations Report 86-4356
The Barker and Addicks Reservoirs, located about 16 miles west of Houston, Texas, provide flood-detention storage for storm runoff. Of interest are the water-quality characteristics in the study area and changes in water quality during detention. Study area sampling sites were selected upstream along Buffalo Bayou for Barker Reservoir and...
Test plan for 32-bit microcomputers for the Water Resources Division; Chapter A, Test plan for acquisition of prototype 32-bit microcomputers
N.E. Hutchison, A.W. Harbaugh, R.A. Holloway, C.F. Merk
1987, Open-File Report 87-455
The Water Resources Division (WRD) of the U.S. Geological Survey is evaluating 32-bit microcomputers to determine how they can complement, and perhaps later replace, the existing network of minicomputers. The WRD is also designing a National Water Information System (NWIS) that will combine and integrate the existing National Water Data...
Water Resources Research Grant Program project descriptions, fiscal year 1987
Water Resources Division, U.S. Geological Survey
1987, Open-File Report 88-179
This report contains information on the 34 new projects funded by the United States Geological Survey's Water Resources Research Grant Program in fiscal year 1987 and on 3 projects completed during the year. For the new projects, the report gives the grant number, project title, performing organization, principal investigator(s), and...
Virginia ground-water quality
J. D. Powell, P. A. Hamilton
1987, Open-File Report 87-759
Interlaboratory comparability, bias, and precision for four laboratories measuring analytes in wet deposition, October 1983-December 1984
Myron H. Brooks, LeRoy J. Schroder, Timothy C. Willoughby
1987, Water-Resources Investigations Report 87-4067
Four laboratories involved in the routine analysis of wet-deposition samples participated in an interlaboratory comparison program managed by the U.S. Geological Survey. The four participants were: Illinois State Water Survey central analytical laboratory in Champaign, Illinois; U.S. Geological Survey national water-quality laboratories in Atlanta, Georgia, and Denver, Colorado; and Inland...
Flood-flow characteristics of Nancy Creek at Georgia Highway 400 extension near Atlanta, Georgia
McGlone Price, Glen W. Hess
1987, Open-File Report 87-386
The Highway Division, Georgia Department of Transportation, plans the extension of Georgia Highway 400 from Interstate 285 southward to Interstate 85. As part of this extension, the Highway Division plans construction of a bridge crossing Nancy Creek near Atlanta, Georgia. The U.S. Geological Survey, in cooperation with the Highway Division,...
Water Resources Data for Idaho, Water Year 1986
W. A. Harenberg, M.L. Jones, I. O'Dell, S.C. Cordes
1987, Water Data Report ID-86-1
Bibliography of selected papers on geophysical techniques in searching for ground water
Andrew Visnyei
1987, Open-File Report 87-3
Water Resources Data for Colorado, Water Year 1986. Volume 2. Colorado River Basin
R.C. Ugland, J.T. Steinheimer, R.G. Kretschman, E.A. Wilson, J.D. Bennett
1987, Water Data Report CO-86-2
Manmade organic compounds in the surface waters of the United States: a review of current understanding
James A. Smith, Patrick J. Witkowski, Thomas V. Fusillo
1987, Open-File Report 87-209
This report reviews the occurrence and distribution of manmade organic compounds in the surface waters of the United States. On the basis of their aqueous solubilities, nonionic organic compounds partition themselves between water, dissolved organic matter, particulate organic matter, and the lipid reservoirs of aquatic organisms. Ionized organic compounds can...
Water resources data for Florida, water year 1986. Volume 1A. Northeast Florida surface water
Water Resources Division, U.S. Geological Survey
1987, Water Data Report FL-86-1A
Water resources data for the 1986 water year in Florida consist of continuous or daily discharge for 277 streams, periodic discharge for 38 streams, miscellaneous discharge for 34 streams, continuous or daily stage for 77 streams, periodic stage for 20 streams, peak discharge for 88 streams, and peak stage for...
Water Resources Data for Colorado, Water Year 1986. Volume 1. Missouri River Basin, Arkansas River Basin, and Rio Grande Basin
R.C. Ugland, J.T. Steinheimer, J.L. Ebling, R.D. Steger
1987, Water Data Report CO-86-1
Low streamflow conditions in the western states during 1987
L.L. Hubbard
1987, Water-Resources Investigations Report 87-4267
Drought conditions prevailed throughout the States of California , Nevada, Idaho, Oregon, and Washington during the summer of 1987. Streamflows were the lowest since the drought of 1977. Many streams had less discharge in August-September 1987 than in August-September of 1977. At some sites flows for July, August, and September...
Water resources data, Connecticut water year 1985
M.A. Cervione Jr., L.A. Weiss, J.R. Bohr, J.W. Bingham
1987, Water Data Report CT-85-1
The Water Resources Division of the U.S. Geological Survey, in cooperation with State agencies, obtains a large amount of data pertaining to the water resources of Connecticut each water year. These data, accumulated during many water years, constitute a valuable data base for developing an improved understanding of the water...
A flow-simulation model of the tidal Potomac River
Raymond W. Schaffranek
1987, Water Supply Paper 2234-D
A one-dimensional model capable of simulating flow in a network of interconnected channels has been applied to the tidal Potomac River including its major tributaries and embayments between Washington, D.C., and Indian Head, Md. The model can be used to compute water-surface elevations and flow discharges at any of 66...
Data on ground-water quality for the Reno 1° x 2° quadrangle, western Nevada
Alan H. Welch, Rhea P. Williams
1987, Open-File Report 85-648-H
Water quality data for groundwater has been compiled for the Reno 1 degree x 2 degree quadrangle which covers a portion of western Nevada. Chemical characteristics of the water are shown on a map (at a scale of 1:250,000) and on trilinear diagrams for the major ions. The data for...
