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U.S. Geological Survey national computer technology meeting; program and abstracts, New Orleans, Louisiana, April 10-15, 1994
B. H. Balthrop (compiler), E.G. Baker
1994, Open-File Report 94-52
This report contains some of the abstracts of papers that were presented at the National Computer Technology Meeting that was held in April 1994. This meeting was sponsored by the Water Resources Division of the U.S. Geological Survey, and was attended by more than 200 technical and managerial personnel representing...
1:250,000-scale Hydrologic Units of the United States
Peter Steeves, Douglas Nebert
1994, Open-File Report 1994-0236
The Geographic Information Retrieval and Analysis System (GIRAS) was developed in the mid 70s to put into digital form a numberof data layers which were of interest to the USGS. One of these data layers was the Hydrologic Units. The map is based on the Hydrologic Unit Maps published by...
Protists from a sewage‐contaminated aquifer on cape cod, Massachusetts
Gianfranco Novarino, Alan Warren, Nancy E. Kinner, Ronald W. Harvey
1994, Geomicrobiology Journal (12) 23-36
Several species of flagellates (genera Bodo, Cercomonas, Cryptaulax, Cyathomonas, Goniomonas, Spumella) have been identified in cultures from a plume of organic contamination (treated sewage effluent) within an aquifer on Cape Cod, Massachusetts. Amoebae and numerous unidentifiable 2‐ to 3‐μm flagellates have also been observed. As a rule, flagellates were associated...
Terrestrial remote sensing science and algorithms planned for EOS/MODIS
S. W. Running, C.O. Justice, V.V. Salomonson, D. Hall, J. Barker, Y. J. Kaufmann, Alan H. Strahler, A.R. Huete, Jan-Peter Muller, V. Vanderbilt, Z. Wan, P. Teillet, David M. Geological Survey Ohlen Donald O. Carneggie Donald O.
1994, International Journal of Remote Sensing (15) 3587-3620
The Moderate Resolution Imaging Spectroradiometer (MODIS) will be the primary daily global monitoring sensor on the NASA Earth Observing System (EOS) satellites, scheduled for launch on the EOS-AM platform in June 1998 and the EOS-PM platform in December 2000. MODIS is a 36 channel radiometer covering 0·415-14·235 μm wavelengths, with...
Local energy flux estimates for unstable conditions using variance data in semiarid rangelands
William P. Kustas, J.H. Blanford, D.I. Stannard, C.S.T. Daughtry, W. D. Nichols, M.A. Weltz
1994, Water Resources Research (30) 1351-1361
A network of meteorological stations was installed during the Monsoon '90 field campaign in the Walnut Gulch experimental watershed. The study area has a fairly complex surface. The vegetation cover is heterogeneous and sparse, and the terrain is mildly hilly, but dissected by ephemeral channels. Besides measurement of some of...
Evapotranspiration estimation using a normalized difference vegetation index transformation of satellite data
P. M. Seevers, R. W. Ottmann
1994, Hydrological Sciences Journal (39) 333-345
Evapotranspiration of irrigated crops on two irrigation service areas along the lower Colorado River was estimated using a normalized difference vegetation index of satellite data. A procedure was developed which equated the index to crop coefficients. Evapotranspiration estimates for fields for three dates of thematic mapper data were highly correlated...
Development of saline seeps in Southwestern United States
Kenneth S. Johnson
Anon, editor(s)
1994, Conference Paper, National Conference Publication - Institution of Engineers, Australia
Saline seeps are an increasingly serious problem in semi-arid regions of the southwestern United States. They result when excessive recharge of the shallow ground water in soils raises the water table locally to within one meter of the land surface, and the salinity of the shallow water is increased through...
Nonpoint and Point Sources of Nitrogen in Major Watersheds of the United States
Larry J. Puckett
1994, Water-Resources Investigations Report 94-4001
Estimates of nonpoint and point sources of nitrogen were made for 107 watersheds located in the U.S. Geological Survey's National Water-Quality Assessment Program study units throughout the conterminous United States. The proportions of nitrogen originating from fertilizer, manure, atmospheric deposition, sewage, and industrial sources were found to vary with climate,...
Hydrogeology and hydrologic system of Pinal Creek Basin, Gila County, Arizona
C.C. Neaville, J. G. Brown
1994, Water-Resources Investigations Report 93-4212
Acidic water that contains elevated concentrations of metals has contaminated a stream and alluvial aquifer in a mining district near Globe, Arizona. The contaminated aquifer is a narrow layer of unconsolidated alluvium along Miami Wash and Pinal Creek. The alluvium overlies basin fill, which extends throughout most of the...
Distribution and variability of nitrogen and phosphorus in the alluvial, High Plains, Rush Springs, and Blaine aquifers in western Oklahoma
C.J. Becker
1994, Open-File Report 94-41
Aquifers are the primary source of water for drinking and agricultural purposes in western Oklahoma. Health concerns about consuming nitrogen and an increased reliance on ground water for drinking necessitate a better understanding of the cause and effect of contamination from nutrients. The purpose of this project was to compile...
Estimates of percolation rates and ages of water in unsaturated sediments at two Mojave Desert sites, California-Nevada
David E. Prudic
1994, Water-Resources Investigations Report 94-4160
Thick unsaturated zones in arid regions increasingly are being sought for the burial of radioactive and other hazardous wastes. Estimating percolation rates of water from precipitation at proposed burial sites is important for site assessment. Chloride profiles in unsaturated sediments are used to show differences and similarities in the rates...
National Water Quality Laboratory Profile
Jon W. Raese
1994, Open-File Report 94-366
The National Water Quality Laboratory determines organic and inorganic constituents in samples of surface and ground water, river and lake sediment, aquatic plant and animal material, and precipitation collected throughout the United States and its territories by the U.S. Geological Survey. In water year 1994, the Laboratory produced more than...
An interactive code (NETPATH) for modeling NET geochemical reactions along a flow PATH, version 2.0
Niel Plummer, Eric C. Prestemon, David L. Parkhurst
1994, Water-Resources Investigations Report 94-4169
NETPATH is an interactive Fortran 77 computer program used to interpret net geochemical mass-balance reactions between an initial and final water along a hydrologic flow path. Alternatively, NETPATH computes the mixing proportions of two to five initial waters and net geochemical reactions that can account for the observed composition of...
Detailed study of irrigation drainage in and near wildlife management areas, west-central Nevada, 1987-90. Part C. Summary of irrigation-drainage effects on water quality, bottom sediment, and biota
Ray J. Hoffman
1994, Water-Resources Investigations Report 92-4024-C
This report presents a summary of the detailed scientific study of Stillwater Wildlife Management Area and other nearby wetlands in west-central Nevada during 1987-90. The work was funded by the National Irrigation Water Quality Program of the U.S. Department of the Interior with the overall objectives of determining (1) the...
A summary of water-resources activities of the U.S. Geological Survey in Iowa, fiscal year 1994
R.C. Buchmiller
1994, Open-File Report 94-88
Water-resources programs and activities of the U.S. Geological Survey in Iowa consist principally of hydrologic data collection and investigative studies that address water-resource issues. The work is supported by direct Federal funding, by transfer of funds from other Federal agencies, and by joint-funding agreements with State or local agencies. The Iowa...
Development and documentation of spatial data bases for the Lake Tahoe Basin, California and Nevada
Kenn D. Cartier, Lorri A. Peltz, J. LaRue Smith
1994, Water-Resources Investigations Report 93-4182
A set of spatial data bases consisting of natural- resources and planimetric-base layers has been developed and documented for the Lake Tahoe Basin, California and Nevada. The data bases, in the form of geographic information system coverages, include surface geology, soils, timber type, riparian vegetation, land capability, stream channels, water...
Overview of environmental and hydrogeologic conditions at McGrath, Alaska
J.M. Dorava
1994, Open-File Report 94-119
The remote village of McGrath along the Kuskokwim River in southwestern Alaska has long cold winters and short summers. The village is located on the flood plain of the Kuskokwim River and obtains drinking water for its 533 residents from the Kuskokwim River. Surface spills and disposal of hazardous materials...
Overview of environmental and hydrogeologic conditions at Moses Point, Alaska
J.M. Dorava, R.P. Ayres, W.C. Sisco
1994, Open-File Report 94-310
The Federal Aviation Administration facility at Moses Point is located at the mouth of the Kwiniuk River on the Seward Peninsula in northwestern Alaska. This area has long cold winters and short summers which affect the hydrology of the area. The Federal Aviation Administration owns or operates airport support facilities...
Development of historic and synthesized unregulated streamflow for the James River in North Dakota and South Dakota, 1983-91
Douglas G. Emerson, Colin A. Niehus
1994, Water-Resources Investigations Report 94-4018
Operation of the Garrison Diversion Unit may have some affect on the hydrology of the James River in North Dakota and South Dakota. The Garrison Diversion Unit Monthly Operations Model was developed to analyze a wide range of streamflow conditions that could occur in the James River Basin. The purpose...