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Documentation of a computer program to simulate aquifer-system compaction using the modular finite-difference ground-water flow model
S. A. Leake, David E. Prudic
1988, Open-File Report 88-482
The process of permanent compaction is not routinely included in simulations of groundwater flow. To simulate storage changes from both elastic and inelastic compaction, a computer program was written for use with the U. S. Geological Survey modular finite-difference groundwater flow model. The new program is called the Interbed-Storage Package....
Water use in New Mexico, 1985
Lynn A. Garrabrant
1988, Open-File Report 88-343
Water-use data are essential for managing the State's limited water resources. The New Mexico State Engineer Office (NMSEO) and the U.S. Geological Survey collect and publish data on water use at 5-year intervals. These data are used by Federal and State agencies, city and county planners, private industry, and irrigation...
Bottom sediments and nutrients in the tidal Potomac system, Maryland and Virginia
Jerry L. Glenn
1988, Water Supply Paper 2234-F
The characteristics and distributions of near-surface bottom sediments and of nutrients in the sediments provide information on modern sediment and nutrient sources, sedimentation environments, and geochemical reactions in the tidal Potomac system, Maryland and Virginia. This information is fundamental to an improved understanding of sedimentation and eutrophication problems in the...
Leachate migration from an in-situ oil-shale retort near Rock Springs, Wyoming
Kent C. Glover
1988, Water Supply Paper 2322
Hydrogeologic factors influencing leachate movement from an in-situ oil-shale retort near Rock Springs, Wyoming, were investigated through models of ground-water flow and solute transport. Leachate, indicated by the conservative ion thiocyanate, has been observed ? mile downgradient from the retort. The contaminated aquifer is part of the Green River Formation...
Tritium migration from a low-level radioactive-waste disposal site near Chicago, Illinois
J.R. Nicholas, R. W. Healy
1988, Water Supply Paper 2333
This paper describes the results of a study to determine the geologic and hydrologic factors that control migration of tritium from a closed, low-level radioactive-waste disposal site. The disposal site, which operated from 1943 to mid1949, contains waste generated by research activities at the world's first nuclear reactors. Tritium has...
Water resources data for Arkansas, water year 1987
T.E. Lamb, J.E. Porter, B.F. Lambert, M. Plafcan
1988, Water Data Report AR-87-1
Water resources data for the 1987 water year for Arkansas consist of records of gage height, discharge, and water quality of streams; water quality of lakes; water levels, and water quality of observation wells. This report contains discharge records for 47 gaging stations; water-quality data for 160 regular water-quality stations,...
Water-quality data (July 1986 through September 1987) and statistical summaries (March 1985 through September 1987) for the Clark Fork and selected tributaries from Deer Lodge to Missoula, Montana
J. H. Lambing
1988, Open-File Report 88-308
Water quality sampling was conducted at seven sites on the Clark Fork and selected tributaries from Deer Lodge to Missoula, Montana, from July 1986 through September 1987. This report presents tabulations and statistical summaries of the water quality data. The data presented in this report supplement previous data collected from...
Specific conductance; theoretical considerations and application to analytical quality control
Ronald L. Miller, Wesley L. Bradford, Norman E. Peters
1988, Water Supply Paper 2311
This report considers several theoretical aspects and practical applications of specific conductance to the study of natural waters. A review of accepted measurements of conductivity of secondary standard 0.01 N KCl solution suggests that a widely used algorithm for predicting the temperature variation in conductivity is in error. A new...