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Page 1937, results 48401 - 48425

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Water resources data for Florida, water year 1986. Volume 4. Northwest Florida
P.E. Meadows, J.B. Martin, P.R. Mixson
1987, Water Data Report FL-86-4
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...
Thickness and hydrogeology of aquifers and confining units below the upper glacial aquifer on Long Island, New York
Julian Soren, Dale L. Simmons
1987, Water-Resources Investigations Report 86-4175
Three extensive unconsolidated sand and gravel aquifers on Long Island lie between the island 's upper glacial aquifer and its southward-dipping crystalline bedrock surface. The island 's aquifers have been heavily pumped, mainly for public-water supply, but most of this pumpage since the 1960 's has come from below the...
Computation of rapidly varied unsteady, free-surface flow
D.R. Basco
1987, Water-Resources Investigations Report 83-4284
Many unsteady flows in hydraulics occur with relatively large gradients in free surface profiles. The assumption of hydrostatic pressure distribution with depth is no longer valid. These are rapidly-varied unsteady flows (RVF) of classical hydraulics and also encompass short wave propagation of coastal hydraulics. The purpose of this report is...
Rainfall-runoff data for Somerset County, New Jersey
J. B. Campbell
1987, Open-File Report 87-384
Rainfall-runoff data are presented for eight selected drainage basins in Somerset County, New Jersey, for the 1980 through 1984 water yr. In order to improve the existing methods for estimating flood-frequency and magnitude throughout the county, in their flood-monitoring efforts by providing real-time data, rainfall-runoff data were collected and a...
Ground-water levels in Wyoming, 1976 through 1985
H.I. Kennedy, C.B. Oberender
1987, Open-File Report 87-456
Groundwater levels are measured periodically in a network of 84 observation wells in Wyoming, mostly in areas where groundwater is used in large quantities for irrigation or municipal purposes. The program is conducted by the U.S. Geological Survey in cooperation with the Wyoming State Engineer and the Wyoming Economic Development...
pH measurement of low-conductivity waters
Eurybiades Busenberg, Niel Plummer
1987, Water-Resources Investigations Report 87-4060
pH is an important and commonly measured parameter of precipitation and other natural waters. The various sources of errors in pH measurement were analyzed and procedures for improving the accuracy and precision of pH measurements in natural waters with conductivities of < 100 uS/cm at 25 C are suggested. Detailed...
Water resources data, Louisiana, water year 1986
D.D. Carlson, L.J. Dantin, C.R. Garrison, C.G. Stuart
1987, Water Data Report LA-86-1
Water resources data for the 1986 water year for Louisiana consist of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels and water quality of ground water. This report contains records for water discharge at 70 gaging stations;...
Water resources data, Texas, water year 1986. Volume 2: San Jacinto River basin, Brazos River basin, San Bernard River basin, and intervening coastal basins
H.D. Buckner, E.R. Carillo, H.J. Davidson
1987, Water Data Report TX-86-2
The Water Resources Division of the U.S. Geological Survey, in cooperation with Federal, State, and City agencies, obtains a large amount of data pertaining to the water resources of Texas each water year. Such data, accumulated during many water years, constitute a valuable data base for developing an improved understanding...
Evaluation of availability of water from drift aquifers near the Pomme de Terre and Chippewa rivers, western Minnesota
G. N. Delin
1987, Water-Resources Investigations Report 86-4321
Ground-water flow in the confined- and unconfined-drift aquifers near Appleton and Benson, Minnesota, was simulated with a three-dimensional finite-difference ground-water-flow model. Model results indicate that 98 percent of the total inflow to the modeled area is from precipitation. Of the total outflow, 38 percent is ground-water discharge to the Pom...
Selected chemical analyses of water from formations of Mesozoic and Paleozoic age in parts of Oklahoma, northern Texas, and Union County, New Mexico
R.S. Parkhurst, S. C. Christenson
1987, Water-Resources Investigations Report 86-4355
Hydrochemical data were compiled into a data base as part of the Central Midwest Regional Aquifer System Analysis project. The data consist of chemical analyses of water samples collected from wells that are completed in formations of Mesozoic and Paleozoic age. The data base includes data from the National Water...
Ground-water flow and quality near Canon City, Colorado
G. A. Hearne, D. W. Litke
1987, Water-Resources Investigations Report 87-4014
Water in aquifers that underlie the Lincoln Park area near Canon City, Colorado, contains measurable concentrations of chemical constituents that are similar to those in raffinate (liquid waste) produced by a nearby uranium ore processing mill. The objective of this study was to expand the existing geohydrologic data base by...
Determination of benthic-invertebrate indices and water-quality trends of selected streams in Chester County, Pennsylvania, 1969-80
C.R. Moore
1987, Water-Resources Investigations Report 85-4177
The trends of biological and chemical data collected for 12 years (1969-80) from 46 sites in Chester County were evaluated by using the sea- sonal Kendall test. Brillouin's diversity index was calculated and plotted against time for each site. The diversity index at 7 sites had upward trends significant at...
Water-resources activities of the U.S. Geological Survey in Kansas; fiscal years 1985 and 1986
L. J. Combs (compiler)
1987, Open-File Report 87-211
The principal mission of the U.S. Geological Survey, Water Resources Division, in Kansas is to investigate the occurrence, quantity, quality, distribution, and movement of surface and groundwater throughout the State. Primary activities include the systematic collection, analysis and interpretation of hydrologic data, evaluation of water demands, and water resources research....
Iowa ground-water quality
R.C. Buchmiller, P. J. Squillace, R.D. Drustrup
1987, Open-File Report 87-725
The population served by ground-water supplies in Iowa (fig. L4) is estimated to be about 2,392,000, or 82 percent of the total population (U.S. Geological Survey, 1985, p. 211). The population of Iowa is distributed fairly uniformly throughout the State (fig. IB), with 59 percent residing in rural areas or...
Effects of surface runoff and treated wastewater recharge on quality of water in the Floridan aquifer system, Gainesville Area, Alachua County, Florida
G. G. Phelps
1987, Water-Resources Investigations Report 87-4099
Rates of recharge to the Floridan aquifer system at four sites in Alachua County were estimated and water samples were analyzed to determine if the recharge water had any effects on the water quality of the aquifer. A total of about 33 million gal/day (mgd) recharges the upper part of...
Ground-water pumpage from the Columbia Plateau Regional Aquifer System, Oregon, 1984
C. A. Collins
1987, Water-Resources Investigations Report 86-4211
Groundwater pumpage was estimated for 1984 for an area of about 8,000 sq mi in north-central Oregon. Pumpage data were collected from irrigation, industrial and public supply users and analyzed as part of the Columbia Plateau Regional Aquifer System Analysis (RASA) study. Groundwater is pumped from Tertiary basalts and interflow...