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Page 4343, results 108551 - 108575

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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...
Measuring and computing natural ground-water recharge at sites in south-central Kansas
M.A. Sophocleous, C. A. Perry
1987, Water-Resources Investigations Report 87-4097
To measure the natural groundwater recharge process, two sites in south-central Kansas were instrumented with sensors and data microloggers. The atmospheric-boundary layer and the unsaturated and saturated soil zones were monitored as a single regime. Direct observations also were used to evaluate the measurements. Atmospheric sensors included an anemometer, a...
Geohydrology and susceptibility of Coldwater Spring and Jacksonville fault areas to surface contamination in Calhoun County, Alabama
J. C. Scott, W. F. Harris, R.H. Cobb
1987, Water-Resources Investigations Report 87-4031
Coldwater Spring in eastern Calhoun County, Alabama, is one of the largest springs in Alabama. The spring, which has an average discharge of about 31 million gallons per day, supplies water for about 70,000 people in the Anniston, Alabama area. A potentiometric map of the study area indicates that the...
Estimates of streamflow characteristics for selected small streams, Baker River basin, Washington
John R. Williams
1987, Water-Resources Investigations Report 87-4006
Regression equations were used to estimate streamflow characteristics at eight ungaged sites on small streams in the Baker River basin in the North Cascade Mountains, Washington, that could be suitable for run-of-the-river hydropower development. The regression equations were obtained by relating known streamflow characteristics at 25 gaging stations in nearby...
Geology and hydrology of the Onondaga aquifer in eastern Erie County, New York, with emphasis on ground-water-level declines since 1982
W. W. Staubitz, Todd S. Miller
1987, Water-Resources Investigations Report 86-4317
The Onondaga aquifer is a nearly flat-lying, 25- to 110-foot-thick, cherty limestone with moderately developed karst features such as sinkholes, disappearing streams, and solution-widened joints. Most groundwater moves through solution-widened bedding planes, although some moves through vertical joints. The yield of water from 42 wells ranges from 3 to 100...