Sediment characteristics of North Carolina streams, 1970-79
Clyde E. Simmons
1993, Water Supply Paper 2364
Data collected at 152 sampling sites during 1970-79 were used to characterize fluvial sediment in North Carolina streams. On the basis of predominant land use in individual basins, sites were categorized into one of five groups: forested (7 sites), forested and affected by minor development (7 sites), rural affected by...
Hydraulic characteristics of, and ground-water flow in, coal-bearing rocks of southwestern Virginia
George E. Harlow Jr., Gary D. LeCain
1993, Water Supply Paper 2388
This report presents the results of a study by the U.S Geological Survey, in cooperation with the Virginia Department of Mines, Minerals, and Energy, Division of Mined Land Reclamation, and the Powell River Project, to describe the hydraulic characteristics of major water-bearing zones in the coal-bearing rocks of southwestern Virginia...
Overview of drought and hydrologic conditions in the United States and southern Canada, water years 1986-90
Sandra L. Holmes
1992, Water Supply Paper 2314-B
This report describes the drought and hydrologic conditions in the United States and southern Canada during the 1986-90 water years. This drought, which spread from the Eastern United States, where it was referred to as 'the drought of the century,' through the Midwest to the West Coast, brought to mind...
Limnology of Big Lake, south-central Alaska, 1983-84
Paul F. Woods
1992, Water Supply Paper 2382
The limnological characteristics and trophic state of Big Lake in south-central Alaska were determined from the results of an intensive study during 1983-84. The study was begun in response to concern over the potential for eutrophication of Big Lake, which has experienced substantial residential development and recreational use because of...
Effects of low-level radioactive-waste disposal on water chemistry in the unsaturated zone at a site near Sheffield, Illinois, 1982-84
C.A. Peters, Robert G. Striegl, P. C. Mills, R. W. Healy
1992, Water Supply Paper 2390
A 1982-84 field study defined the chemistry of water collected from the unsaturated zone at a low-level radioactive-waste disposal site near Sheffield, Bureau County, Ill. Chemical data were evaluated to determine the principal, naturally occurring geochemical reactions in the unsaturated zone and to evaluate waste-induced effects on pore-water chemistry. Samples...
Assessment of hydrogeologic conditions with emphasis on water quality and wastewater injection, southwest Sarasota and West Charlotte counties, Florida
C. B. Hutchinson
1992, Water Supply Paper 2371
The 250-square-mile area of southwest Sarasota and west Charlotte Counties is underlain by a complex hydrogeologic system having diverse ground-water quality. The surficial and intermediate aquifer systems and the Upper Floridan aquifer of the Floridan aquifer system contain six separate aquifers, or permeable zones, and have a total thickness of...
Evaluation of selected methods for determining streamflow during periods of ice effect
Norwood B. Melcher, J.F. Walker
1992, Water Supply Paper 2378
Seventeen methods for estimating ice-affected streamflow are evaluated for potential use with the U.S. Geological Survey streamflow-gaging station network. The methods evaluated were identified by written responses from U.S. Geological Survey field offices and by a comprehensive literature search. The methods selected and techniques used for applying the methods are...
Climatic variability and flood frequency of the Santa Cruz River, Pima County, Arizona
Robert H. Webb, Julio L. Betancourt
1992, Water Supply Paper 2379
Past estimates of the 100-year flood for the Santa Cruz River at Tucson, Arizona, range from 572 to 2,780 cubic meters per second. An apparent increase in flood magnitude during the past two decades raises concern that the annual flood series is nonstationary in time. The apparent increase is accompanied...
Mass-conserving method of characteristics for streamflow modeling
William G. Sikonia
1992, Water Supply Paper 2369
A robust numerical model is presented for the computation of unsteady streamflow on steep river slopes. The one-dimensional model uses the method of characteristics on a specified space-time grid to solve the Saint-Venant equations. An additional continuity equation requirement on each space-time element provides greatly improved conservation of mass over...
Application of digital elevation models to delineate drainage areas and compute hydrologic characteristics for sites in the James River basin, North Dakota
Gregg J. Wiche, S.K. Jenson, J. V. Baglio Jr., Julia O. Domingue
1992, Water Supply Paper 2383
Selected papers in the hydrologic sciences, 1988-92
Seymour Subitzky, editor(s)
1992, Water Supply Paper 2340
Selected Papers in the Hydrologic Sciences, a U.S. Geological Survey-managed journal-type publication in the Water-Supply Paper series, is aimed at meeting widespread public and professional needs for results of state-of-the-art broad-based hydrologic studies. The results of these studies are derived from integrated water-resource projects of the Federal research program, Federal-State...
Water-quality data-collection activities in Colorado and Ohio: Phase III-evaluation of existing data for use in assessing regional water-quality conditions and trends
J. Michael Norris, Janet Hren, Donna N. Myers, Thomas H. Chaney, Carolyn J. Oblinger Childress
1992, Water Supply Paper 2295-C
National water summary 1988–89 — Hydrologic events and floods and droughts
1991, Water Supply Paper 2375
National Water Summary 1988-89 - Hydrologic Events and Floods and Droughts documents the occurrence in the United States, Puerto Rico, and the U.S. Virgin Islands of two types of extreme hydrologic events floods and droughts on the basis of analysis of stream-discharge data. This report details, for the first time,...
Soil water and vegetation responses to precipitation and changes in depth to ground water in Owens Valley, California
Stephen K. Sorenson, Peter D. Dileanis, Farrel A. Branson
1991, Water Supply Paper 2370-G
Vegetation on the floor of Owens Valley, California, is composed predominantly of phreatophytic desert communities that are adapted to small quantities of precipitation and alkaline soils. These plant communities are believed to be dependent on the continuing presence of a shallow water table. Maintaining existing plant communities is important to...
Geochemical relations and distribution of selected trace elements in ground water of the northern part of the western San Joaquin Valley, California
Neil M. Dubrovsky, John M. Neil, Mary C. Welker, Kristin D. Evenson
1991, Water Supply Paper 2380
Water samples were collected from 44 wells in the northern part of the western San Joaquin Valley, California, between March and July 1985 to assess the geochemical relations and distribution of major ions and selected trace-element concentrations in ground water of the area. The ground-waterflow system consists of a semiconfined...
Tidal-flow, circulation, and flushing changes caused by dredge and fill in Hillsborough Bay, Florida
Carl R. Goodwin
1991, Water Supply Paper 2376
Hillsborough Bay, Florida, underwent extensive physical changes between 1880 and 1972 because of the construction of islands, channels, and shoreline fills. These changes resulted in a progressive reduction in the quantity of tidal water that enters and leaves the bay. Dredging and filling also changed the magnitude and direction of...
Results of hydrologic research at a low-level radioactive-waste disposal site near Sheffield, Illinois
Barbara J. Ryan
1991, Water Supply Paper 2367
Water-quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia— Analysis of available ground-water-quality data through 1987
P. A. Hamilton, Robert J. Shedlock, P. J. Phillips
1991, Water Supply Paper 2355-B
No abstract available....
Floods of December 1982 to May 1983 in the central and southern Mississippi River and the Gulf of Mexico basins
Roy B. Stone, Roy H. Bingham
1991, Water Supply Paper 2362
Widespread flooding occurred in December 1982 and in spring 1983 in the central and southern Mississippi River basin. The first series of storms, December 2-7, caused severe flooding along many streams in Illinois, Missouri, and Arkansas. Much of the three-State area experienced recordbreaking 24-hour rainfall amounts that caused some streams...
Method for estimating low-flow characteristics of ungaged streams in Indiana
Leslie D. Arihood, Dale R. Glatfelter
1991, Water Supply Paper 2372
Equations for estimating the 7-day, 2-year and 7oday, 10-year low flows at sites on ungaged streams are presented. Regression analysis was used to develop equations relating basin characteristics and low-flow characteristics at 82 gaging stations. Significant basin characteristics in the equations are contributing drainage area and flow-duration ratio, which is...
Low-flow characteristics of streams in Virginia
Donald C. Hayes
1991, Water Supply Paper 2374
Streamflow data were collected and low-flow characteristics computed for 715 gaged sites in Virginia Annual minimum average 7-consecutive-day flows range from 0 to 2,195 cubic feet per second for a 2-year recurrence interval and from 0 to 1,423 cubic feet per second for a 10-year recurrence interval. Drainage areas range...
Geohydrology and ground-water resources of Philadelphia, Pennsylvania
Gary N. Paulachok
1991, Water Supply Paper 2346
The aquifers underlying the 134.6-square-mile city of Philadelphia are divided by the Fall Line into the unconsolidated aquifers (chiefly sand and gravel) of the Coastal Plain and the consolidated-rock aquifers (chiefly schist of the Wissahickon Formation) of the Piedmont. Ground water is present under confined and unconfined conditions. The principal...
Geology and water resources of Owens Valley, California
Kenneth J. Hollett, Wesley R. Danskin, William F. McCaffrey, Caryl L. Walti
1991, Water Supply Paper 2370-B
Owens Valley, a long, narrow valley located along the east flank of the Sierra Nevada in east-central California, is the main source of water for the city of Los Angeles. The city diverts most of the surface water in the valley into the Owens River-Los Angeles Aqueduct system, which transports...
National water summary 1987: Hydrologic events and water supply and use
United States Geological Survey
1990, Water Supply Paper 2350
Water use in the United States, as measured by freshwater withdrawals in 1985, averaged 338,000 Mgal/d (million gallons per day), which is enough water to cover the 48 conterminous States to a depth of about 2.4 inches. Only 92,300 Mgal/d, or 27.3 percent of the water withdrawn, was consumptive use...
Character and evolution of the ground-water flow system in the central part of the western San Joaquin Valley, California
Kenneth R. Belitz, Frederick J. Heimes
1990, Water Supply Paper 2348
