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An appraisal of pumping effects on the Edgeley Aquifer, La Moure County, North Dakota, as determined by a digital model
M. R. Burkart
1979, Open-File Report 79-748
A finite-difference digital model simulated hydrologic conditions in the Edgeley aquifer, which is an unconfined glacial-drift aquifer. The calibrated model supported the hypothesis that under natural steady-state conditions, recharge is from precipitation and discharge is through evapotranspiration. This hypothesis was further supported by comparing simulated water levels to observed water...
Sulfate geothermometry of thermal waters in the western United States
Nancy L. Nehring, Robert H. Mariner, Lloyd D. White, Mark A. Huebner, E.D. Roberts, Karen Harmon, P.A. Bowen, Lane Tanner
1979, Open-File Report 79-1135
Sulfate geothermometry recently gained acceptance as a geothermal exploration tool when it was adopted as one of the geothermometers in the Assessment of Geothermal Resources of the United States-1978 (Muffler 1979). Over 120 samples, 75 of which are from Known Geothermal Resource Areas, were used in the assessment. Data required...
Summary report of the sediments, structural framework, petroleum potential, and environmental conditions of the United States Mid-Atlantic continental margin in area of proposed Oil & Gas Lease Sale No. 59
John Stevens Schlee, Robert E. Mattick, Richard B. Powers, James M. Robb, David C. Twichell, Bradford Butman
1979, Open-File Report 79-1351
This report has been compiled to update and summarize the geological information concerning the area of the Atlantic continental margin off the U.S. Mid-Atlantic proposed for Oil and Gas Lease Sale No. 59 (fig. 1). The region of interest lies between 35° and 41° N and 70.5° and 76° W....
Modeling highly transient flow, mass, and heat transport in the Chattahoochee River near Atlanta, Georgia
Harvey E. Jobson, Thomas N. Keefer
1979, Professional Paper 1136
A coupled flow-temperature model has been developed and verified for a 27.9-km reach of the Chattahoochee River between Buford Dam and Norcross, Ga. Flow in this reach of the Chattahoochee is continuous but highly regulated by Buford Dam, a flood-control and hydroelectric facility located near Buford, Ga. Calibration and verification...
Comprehensive monitoring of meteorology, hydraulics, and thermal regime of the San Diego Aqueduct, California
Harvey E. Jobson, Alex M. Sturrock
1979, Professional Paper 1137
Water temperature, as well as meteorologic and hydraulic variables which influence the energy budget of the San Diego Aqueduct in southern California, were continuously monitored for a 1-year period beginning July 24, 1973. Incoming solar and atmospheric radiation, windspeed and direction, water temperature, and wet- and dry-bulb air temperatures were...
Texture, clay mineralogy, trace metals, and age of cored sediments from the North Atlantic Outer Continental Shelf
Michael H. Bothner, E.C. Spiker, W.M. Ferrebee, D.L. Peeler
1979, Open-File Report 79-842
The concentration of 9 trace metals in sediment cores collected from the Continental Shelf off the northeastern United States are generally uniform with sediment depth and are low compared to average crustal abundances. No evidence for the accumulation of anthropogenic metals was found in these samples.The sediment texture on Georges...
Water and sediment measurements in San Francisco Bay, California
Laurence E. Schemel, Andrea E. Alpine, Brian E. Cole, Lee A. Dedini, Elliott C. Spiker
1979, Open-File Report 78-973
Water samples collected in San Francisco Bay, the Gulf of the Farallones, and the delta of the Sacramento and San Joaquin rivers were analyzed for salinity, temperature, partial pressure of carbon dioxide (pCO2), chlorophyll a, alkalinity, particulate organic carbon (POC), and the stable carbon isotope ratio (δ13C) of the POC...
Water quality of south San Francisco Bay and Coyote Creek after failure of the San Jose-Santa Clara Water Pollution Control Plant I. 17 September - 10 October 1979
James E. Cloern, Brian E. Cole
1979, Open-File Report 79-1600
Data are presented to document some short-term biological and chemical consequences of a sewage spill in the southern area of San Francisco Bay and its receiving-water tributary, Coyote Creek. Sampling was conducted at fixed U.S. Geological Survey stations in South Bay, and at six new stations in Coyote Creek, on...
Water-resources appraisal of the south-Arkansas lignite area
J. E. Terry, C. T. Bryant, A. H. Ludwig, J.E. Reed
1979, Open-File Report 79-924
The feasibility of developing lignite resources in south-central Arkansas is an important question at the present time (1978). Part of the concern is related to the possible impacts that mining and processing of lignite will have on water resources. Not only will the disturbance caused by excavating affect the quantity...