An isotope hydrology study of the Kilauea volcano area, Hawaii
M. A. Scholl, S. E. Ingebritsen, C. J. Janik, J. P. Kauahikaua
1995, Water-Resources Investigations Report 95-4213
Isotope tracer methods were used to determine flow paths, recharge areas, and relative age for ground water in the Kilauea volcano area on the Island of Hawaii. Stable isotopes in rainfall show three distinct isotopic gradients with elevation, which are correlated with trade-wind, rain shadow, and high-elevation climatological patterns. Temporal...
Potentiometric surface of the upper Floridan Aquifer, west-central Florida, May 1995
Patricia A. Metz, K. A. Stelman
1995, Open-File Report 95-704
The Floridan aquifer system consists of the Upper and Lower Floridan aquifers separated by a middle confining unit. The middle confining unit and the Lower Floridan aquifer generally contain highly mineralized water. In most reports on the hydrology of southwest Florida, the term "Floridan aquifer" has been applied to the...
Geohydrology and simulation of ground-water flow near Los Alamos, north-central New Mexico
P. F. Frenzel
1995, Water-Resources Investigations Report 95-4091
An existing model was modified in recognition of new geohydrologic interpretations and adjusted to simulate hydrographs in well fields in the Los Alamos area. Hydraulic-head drawdowns at the Buckman well field resulting from two projected ground-water-withdrawal alternatives were estimated with the modified model. The Chaquehui formation (informal usage)...
Technique for estimating the 2- to 500-year flood discharges on unregulated streams in rural Missouri
Terry W. Alexander, Gary L. Wilson
1995, Water-Resources Investigations Report 95-4231
A generalized least-squares regression technique was used to relate the 2- to 500-year flood discharges from 278 selected streamflow-gaging stations to statistically significant basin characteristics. The regression relations (estimating equations) were defined for three hydrologic regions (I, II, and III) in rural Missouri. Ordinary least-squares regression analyses indicate that drainage...
Water-surface profile and flood boundaries for the computed 100-year flood, Rosebud Creek, Northern Cheyenne Indian Reservation, Montana
R. J. Omang
1995, Water-Resources Investigations Report 95-4093
Hydrologic and hydraulic evaluations of Rosebud Creek were made to determine the magnitude of the 100-year flood and the extent of flooding that would occur as the result of this flood. The magnitude of the 100-year flood was determined to range from 2,620 to 3,980 ft3/s, depending on location. Field...
Ground-water quality in agricultural areas, Anoka Sand Plain Aquifer, east-central Minnesota, 1984-90
M.K. Landon, G. N. Delin
1995, Water-Resources Investigations Report 95-4024
Ground-water quality in the Anoka Sand Plain aquifer was studied as part of the multiscale Management Systems Evaluation Area (MSEA) study by collecting water samples from shallow wells during August through November 1990. The sampling was conducted to: (1) aid in selection of the MSEA research area; (2) facilitate comparison...
Real-Time Mapping alert system; characteristics and capabilities
L.A. Torres, S.C. Lambert, T.D. Liebermann
1995, Open-File Report 95-375
The U.S. Geological Survey has an extensive hydrologic network that records and transmits precipitation, stage, discharge, and other water-related data on a real-time basis to an automated data processing system. Data values are recorded on electronic data collection platforms at field sampling sites. These values are transmitted by means of...
Status of ground-water resources at U.S. Navy Support Facility, Diego Garcia; summary of hydrologic and climatic data, January 1993 through June 1995
J.D. Torikai
1995, Open-File Report 95-722
This report contains hydrologic and climatic data that describe the status of ground-water resources at U.S. Navy Support Facility, Diego Garcia. Data presented are from January 1993 through June 1995, although the report focuses on hydrologic events from April through June 1995. Cumulative rainfall for April through June 1995 was...
Status of ground-water resources at U.S. Navy Support Facility, Diego Garcia; summary of hydrologic and climatic data, January 1992 through September 1994
J.D. Torikai
1995, Open-File Report 95-118
This report contains hydrologic and climatic data that describe the status of ground-water resources at U.S. Navy Support Facility, Diego Garcia. Data are presented from January 1992 through September 1994. This report concentrates on data from July through September 1994, and references historic data from 1992 through June 1994. Total...
Status of ground-water resources at U.S. Navy Support Facility, Diego Garcia; summary of hydrologic and climatic data, January 1992 through June 1994
J.D. Torikai
1995, Open-File Report 94-479
This report contains hydrologic and climatic data that describe the status of ground-water resources at U.S. Navy Support Facility, Diego Garcia. Data are presented from January 1992 through June 1994. This report concentrates on data from 1994, and references historic data from 1992 and 1993. Total rainfall for the first...
Status of ground-water resources at U.S. Navy Support Facility, Diego Garcia; summary of hydrologic and climatic data, January 1992 through December 1994
J.D. Torikai
1995, Open-File Report 95-387
This report contains hydrologic and climatic data that describe the status of ground-water resources at U.S. Navy Support Facility, Diego Garcia. Data presented are from January 1992 through December 1994. This report concentrates on data from October through December 1994, and references previous data from 1992 through 1994. Cumulative rainfall...
Quantity and quality of ground-water discharge to the South Platte River, Denver to Fort Lupton, Colorado, August 1992 through July 1993
P.B. McMahon, K.J. Lull, K.F. Dennehy, J.A. Collins
1995, Water-Resources Investigations Report 95-4110
Water-quality studies conducted by the Metro Wastewater Reclamation District have indicated that during low flow in segments of the South Platte River between Denver and Fort Lupton, concentrations of dissolved oxygen are less than minimum concen- trations set by the State of Colorado. Low dissolved-oxygen concentrations are observed in two...
Measurements of evapotranspiration, surface-energy fluxes, weather variables, and water-table depths in the closed basin of the San Luis Valley, Alamosa County, Colorado, 1985-88
D.I. Stannard, H. L. Weaver
1995, Open-File Report 93-639
No abstract available....
Status of ground-water resources at U.S. Navy Support Facility, Diego Garcia; summary of hydrologic and climatic data, 1991-93
J.D. Torikai
1995, Open-File Report 94-480
This report contains hydrologic and climatic data that describe the status of ground-water resources at U.S. Navy Support Facility, Diego Garcia. Data are presented from January 1991 through December 1993. This report concentrates on data from fourth quarter 1993, and references historic data from 1991 and 1992. Total rainfall for...
Status of ground-water resources at U.S. Navy Support Facility, Diego Garcia; summary of hydrologic and climatic data through September 1993
J.D. Torikai
1995, Open-File Report 94-306
This report contains hydrologic and climatic data that describe the status of ground-water resources at U.S. Navy Support Facility, Diego Garcia. Data are presented through September 1993, one month into the annual wet season. At the end of September 1993, the chloride concentration of the composite water supply was 66...
Ground-Water Availability from the Hawi Aquifer in the Kohala Area, Hawaii
Mark R. Underwood, William Meyer, William R. Souza
1995, Water-Resources Investigations Report 95-4113
A ground-water study consisting of test-well drilling, aquifer tests, and numerical simulation was done to investigate ground-water availability in the basal part of the Hawi aquifer between the western drainage divide of Pololu Valley and Upolu Point in Kohala, Hawaii. The test-well drilling provided information on geology, water levels, water...
Geochemical processes in ground water resulting from surface mining of coal at the Big Sky and West Decker Mine areas, southeastern Montana
D.W. Clark
1995, Water-Resources Investigations Report 95-4097
A potential hydrologic effect of surface mining of coal in southeastern Montana is a change in the quality of ground water. Dissolved-solids concen- trations in water in spoils aquifers generally are larger than concentrations in water in the coal aquifers they replaced; however, laboratory experiments have indicated that concentrations can...
Simulation of streamflow and sediment transport in two surface-coal-mined basins in Fayette County, Pennsylvania
J. I. Sams III, E. C. Witt III
1995, Water-Resources Investigations Report 92-4093
The Hydrological Simulation Program - Fortran (HSPF) was used to simulate streamflow and sediment transport in two surface-mined basins of Fayette County, Pa. Hydrologic data from the Stony Fork Basin (0.93 square miles) was used to calibrate HSPF parameters. The calibrated parameters were applied to an HSPF model of the...
Status of ground-water resources at U.S. Navy Support Facility, Diego Garcia; summary of hydrologic and climatic data, January 1993 through March 1995
J.D. Torikai
1995, Open-File Report 95-473
This report contains hydrologic and climatic data that describe the status of ground-water resources at U.S. Navy Support Facility, Diego Garcia. Data presented are from January 1993 through March 1995, although the report focuses on hydrologic events from January through March 1995. Cumulative rainfall for January through March 1995 was...
Methods to estimate annual mean spring discharge to the Snake River between Milner Dam and King Hill, Idaho
L.C. Kjelstrom
1995, Water-Resources Investigations Report 95-4055
Many individual springs and groups of springs discharge water from volcanic rocks that form the north canyon wall of the Snake River between Milner Dam and King Hill. Previous estimates of annual mean discharge from these springs have been used to understand the hydrology of the eastern part of the...
Quality assurance plan for discharge measurements using broadband acoustic Doppler current profilers
S. W. Lipscomb
1995, Open-File Report 95-701
The recent introduction of the Acoustic Doppler Current Profiler (ADCP) as an instrument for measuring velocities and discharge in the riverine and estuarine environment promises to revolutionize the way these data are collected by the U.S. Geological Survey. The ADCP and associated software, however, compose a complex system and should...
Mercury contamination of aquatic ecosystems
David P. Krabbenhoft, David A. Rickert
1995, Fact Sheet 216-95
Mercury has been well known as an environmental pollutant for several decades. As early as the 1950's it was established that emissions of mercury to the environment could have serious effects on human health. These early studies demonstrated that fish and other wildlife from various ecosystems commonly attain mercury levels...
Hydrologic effects associated with the January 17, 1994 Northridge, California, earthquake
E.G. Quilty, C. D. Farrar, D. L. Galloway, S. N. Hamlin, R. J. Laczniak, E.A. Roeloffs, M.L. Sorey, D.E. Woodcock
1995, Open-File Report 95-813
This report compiles hydrologic observations in southern California associated with the 1994 Mw = 6.7 Northridge, California earthquake. In southern California, the largest ground water level change was a drop of 52 cm at Crystalaire. Most of the steplike water-level changes recorded following the Northridge earthquake agreed in direction with...
Bibliography, indices, and data sources of water-related studies, upper Colorado River basin, Colorado and Utah, 1872-1995
N.J. Bauch, L.E. Apodaca
1995, Open-File Report 95-450
As part of the U.S. Geological Survey's National Water-Quality Assessment Program, current water-quality conditions in the Upper Colorado River Basin in Colorado and Utah are being assessed. This report is an initial effort to identify and compile information on water-related studies previously conducted in the basin and consists of a...
Bibliography for Hayes, Spurr, Crater Peak, Redoubt, Iliamna, Augustine, Douglas, and Aniakchak volcanoes, Alaska
K.J. Lemke, B.A. May, A.M. Vanderpool
1995, Open-File Report 95-435
Alaska has more than 40 active volcanoes, many of which are close to the major population centers of south-central Alaska. This bibliography was compiled to assist in the preparation of volcano hazard evaluations at Cook Inlet volcanoes. It lists articles, reports, and maps about the geology and hydrology of Hayes,...
