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Page 3717, results 92901 - 92925

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Not all publications have extents, not all extents are completely accurate
Hydrogeologic conditions and simulation of ground-water flow in the Greater Orlando Metropolitan Area, East-Central Florida
L. C. Murray, K. J. Halford
1996, Water-Resources Investigations Report 96-4181
A finite-difference ground-water flow model was used to simulate the effects of both modern-day (1988) and projected 2010 ground-water withdrawals on the Floridan aquifer system in the greater Orlando metropolitan area. This area covers about 2,500 square miles and includes all of Orange and Seminole Counties and...
Summary of biological and contaminant investigations related to stream water quality and environmental setting in the Upper Colorado River basin, 1938-95
Jeffrey R. Deacon, Verlin C. Stephens
1996, Water-Resources Investigations Report 96-4172
As part of the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) program, an inventory of the biological and contaminant investigations for the Upper Colorado River Basin study unit was conducted. To enhance the sampling design for the biological component of the program, previous studies about the ecology of aquatic organisms...
Simulated peak flows and water-surface profiles for Scott Creek near Sylva, North Carolina
B.F. Pope
1996, Water-Resources Investigations Report 96-4226
Peak flows were simulated for Scott Creek, just upstream from Sylva, in Jackson County, North Carolina, in order to provide Jackson County officials with information that can be used to improve preparation for and response to flash floods along the reach of Scott Creek that flows through Sylva. A U.S....
Evapotranspiration from successional vegetation in a deforested area of the Lake Wales Ridge, Florida
D. M. Sumner
1996, Water-Resources Investigations Report 96-4244
The suitability of three evapotranspiration models (Penman-Monteith, Penman, and a modified Priestley-Taylor) was evaluated at a site of successional vegetation in a deforested area of the Lake Wales Ridge, Florida. Eddy correlation measurements of evapotranspiration made during 22 approximately 1-day periods at a temporal resolution of 20 minutes from September...
Comparison of aquatic macroinvertebrate samples collected using different field methods
Bernard N. Lenz, Michael A. Miller
1996, Fact Sheet 216-96
Government agencies, academic institutions, and volunteer monitoring groups in the State of Wisconsin collect aquatic macroinvertebrate data to assess water quality. Sampling methods differ among agencies, reflecting the differences in the sampling objectives of each agency. Lack of infor- mation about data comparability impedes data shar- ing among agencies, which...
Geohydrology of the Stockton Formation and cross-contamination through open boreholes, Hatboro Borough and Warminster Township, Pennsylvania
Ronald A. Sloto, Paola Macchiaroli, Michael T. Towle
1996, Water-Resources Investigations Report 96-4047
The study area consists of a 9-square-mile area underlain by sedimentary rocks of the middle arkose member of the Stockton Formation of Upper Triassic age. In the Hatboro area, the Stockton Formation strikes approximately N. 65 degrees E. and dps approximately 9 degrees NW. The rocks are chiefly arkosic sandstone...
Use of geophysical logs to estimate the quality of ground water and the permeability of aquifers
J.D. Hudson
1996, Water-Resources Investigations Report 95-4300
The relation of formation factor to resistivity of formation water and intergranular permeability has often been investigated, and the general consensus is that this relation is closest when established in a clean-sand aquifer in which water quality does not vary substantially. When these restrictions are applied, the following standard equation...
Data from synoptic water-quality studies on the Colorado River in the Grand Canyon, Arizona, November 1990 and June 1991
Howard E. Taylor, D.B. Peart, Ronald C. Antweiler, T.I. Brinton, W. L. Campbell, J.R. Barbarino, D.A. Roth, R. J. Hart, R. C. Averett
1996, Open-File Report 96-614
Two water-quality synoptic studies were made on the Colorado River in the Grand Canyon, Arizona. Field measurements and the collection of water samples for laboratory analysis were made at 10 mainstem and 6 tributary sites every 6 hours for a 48-hour period on November 5-6, 1990, and again on June...
Total dissolved gas, barometric pressure, and water temperature data, lower Columbia River, Oregon and Washington, 1996
Dwight Q. Tanner, Howard E. Harrison, Stuart W. McKenzie
1996, Open-File Report 96-662-A
Increased levels of total dissolved gas pressure can cause gas-bubble trauma in fish downstream from dams on the Columbia River. In cooperation with the U.S. Army Corps of Engineers, the U.S. Geological Survey collected data on total dissolved gas pressure, barometric pressure, water temperature, and dissolved oxygen pressure at 11...