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Page 5028, results 125676 - 125700

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A statistical analysis of the quality of surface water in Nebraska
R. A. Engberg
1980, Open-File Report 80-43
This report provides descriptive statistics for 29 chemical or biological constituents for 109 stream sites in Nebraska sampled by the U.S. Geological Survey beginning in 1946. Also provided for each site are regression equations relating specific conductance to each of 12 chemical constituents and a regression equation relating specific conductance...
Ground-water data for the Riley and Andrews Resource Areas, southeastern Oregon
Paul J. Townley, Constance M. Soja, W.C. Sidle
1980, Open-File Report 80-419
Appraisals of the resources of selected management areas in eastern Oregon are being made by the U.S. Bureau of Land Mangement. To provide needed hydrologic information, the Bureau of Land Management requested the U.S. Geological Survey to inventory ground-water data for the Riley and Andrews Resource Areas. The inventory included...
Ground water in the Thousand Oaks area, Ventura County, California
James J. French
1980, Water-Resources Investigations Report 80-63
The ground-water basin beneath the city of Thousand Oaks, Calif. , corresponds closely in area with the surface-water drainage basin of Conejo Valley. Before World War II there was little ground-water development. After World War II, urban development put a stress on the ground-water basin; many wells were drilled and...
Weather forecast needs from the viewpoint of hydrology
Donald M. Thomas, Thomas J. Buchanan
1980, Open-File Report 80-754
Hydrologists now depend on directly observed data in their forecasting and only infrequently use meteorological forecasts. Case studies show how reliable meteorological forecasts could be beneficial in flood and drought situations. Hydrologists need meteorological forecasts that recognize spatial variability, that are unbiased, and that have a specified degree of uncertainty....
Planning report for the southwest alluvial basins (east) regional aquifer-system analysis, parts of Colorado, New Mexico, and Texas
D. W. Wilkins, W. B. Scott, C. A. Kaehler
1980, Open-File Report 80-564
The study of the Southwest alluvial basins (east) will involve an analysis of the regional aquifer system in parts of Colorado, New Mexico, and Texas. This area has been divided into 22 basins. The study of the alluvial aquifer-system will be made in the following stages: (1) project planning, (2)...
Additional and revised thermochemical data and computer code for WATEQ2: a computerized chemical model for trace and major element speciation and mineral equilibria of natural waters
James W. Ball, D. Kirk Nordstrom, Everett A. Jenne
1980, Water-Resources Investigations Report 78-116
A computerized chemical model, WATEQ2, has resulted from extensive additions to and revision of the WATEQ model of Truesdell and Jones (Truesdell, A. H., and Jones, B. F., 1974, WATEQ, a computer program for calculating chemical equilibria of natural waters: J. Res. U. S. Geol, Survey, v. 2, p. 233-274)....
Side-scan sonograph data from eastern Rhode Island Sound and Vineyard Sound, Massachusetts
Charles J. O’Hara
1980, Open-File Report 80-283
Two hundred twenty-four kilometers of closely spaced side-scan sono­graph data have been collected from eastern Rhode Island Sound and Vineyard Sound, Mass., by the U.S. Geological Survey in cooperation with the New England Division of the U.S. Army Corps of Engineers. These data were obtained during the August 1976 cruise...
Mid-Atlantic multichannel seismic-reflection profiles 14, 15, 16, and 17
John Stevens Schlee
1980, Open-File Report 80-624
The U. S. Geological Survey (USGS) is making available four multi­channel profiles collected by Teledyne Exploration in 1977 by means of a 48-channel streamer (3600 m long) and four airguns (2160 in). Profiles 15 and 16 were processed by.Teledyne Exploration and profiles 14 and 17 were processed on the Phoenix...
Nitrogen in ground water and surface water from sewered and unsewered areas, Nassau County, Long Island, New York
Stephen E. Ragone, B. G. Katz, G.E. Kimmel, J.B. Lindner
1980, Water-Resources Investigations Report 80-21
Data on nitrogen in groundwater and surface waters in the sewered and unsewered parts of Nassau County were analyzed to evaluate the principal sources of nitrogen and to determine what factors significantly affect its concentration in the upper glacial aquifer and the underlying Magothy aquifer. Nitrate data for water samples...
Water resources data for West Virginia, water year 1979
Water Resources Division, U.S. Geological Survey
1980, Water Data Report WV-79-1
Water resources data for the 1979 water year for West Virginia consist of records of stage, discharge, and water quality of streams and springs; stage and contents of lakes and reservoirs; and water levels in wells. This report contains discharge records for 117 gaging stations; stage only records for 8...
Water resources data for Alabama, water year 1979; Volume 2. Tombigbee, Mobile, Dog, Pascagoula, and Tennessee River Basins
Water Resources Division, U.S. Geological Survey
1980, Water Data Report AL-79-2
Water resources data for the 1979 water year consist of records of stage, discharge, and water quality of streams; stage and contents of lakes and reservoirs; and water levels and water quality of ground-water wells. This report contains records for water discharge at 51 gaging stations; stage only at 7...