Fifty-year flood-inundation maps for Siguatepeque, Honduras
David L. Kresch, Mark C. Mastin, T. D. Olsen
2002, Open-File Report 2002-259
After the devastating floods caused by Hurricane Mitch in 1998, maps of the areas and depths of the 50-year-flood inundation at 15 municipalities in Honduras were prepared as a tool for agencies involved in reconstruction and planning. This report, which is one in a series of 15, presents maps of...
Fifty-year flood-inundation maps for Sonaguera, Honduras
David L. Kresch, Mark C. Mastin, T. D. Olsen
2002, Open-File Report 2002-260
After the devastating floods caused by Hurricane Mitch in 1998, maps of the areas and depths of the 50-year-flood inundation at 15 municipalities in Honduras were prepared as a tool for agencies involved in reconstruction and planning. This report, which is one in a series of 15, presents maps of...
Preliminary data used in a study of ground-water flow and ground-water/surface-water interaction in part of the Republican River Basin, Nebraska, Kansas, and Colorado
Michaela R. Johnson, Matthew K. Landon
2002, Open-File Report 2002-263
Time-of-travel of solute data for Mississippi streams
J. Kerry Arthur
2002, Open-File Report 2002-292
This report summarizes the time-of-travel of solutes information for Mississippi streams that is available in the files of the U.S. Geological Survey. The time-of-travel information was tabulated for 926 miles of stream reaches in seven of the ten major drainage basins in the State. The data were collected during studies...
Digital Geospatial Datasets in Support of Hydrologic Investigations of the Colorado Front Range Infrastructure Resources Project
Sharon A. Rafferty, L. R. Arnold, Stephen J. Char
2002, Open-File Report 2002-338
The U.S. Geological Survey developed this dataset as part of the Colorado Front Range Infrastructure Resources Project (FRIRP). One goal of the FRIRP was to provide information on the availability of those hydrogeologic resources that are either critical to maintaining infrastructure along the northern Front Range or that may...
Selected micrometeorological and soil-moisture data at Amargosa Desert Research Site in Nye County near Beatty, Nevada, 1998-2000
Michael J. Johnson, Charles J. Mayers, Brian J. Andraski
2002, Open-File Report 2002-348
Selected micrometeorological and soil-moisture data were collected at the Amargosa Desert Research Site adjacent to a low-level radioactive waste and hazardous chemical waste facility near Beatty, Nev., 1998-2000. Data were collected in support of ongoing research studies to improve the understanding of hydrologic and contaminant-transport processes in arid environments. Micrometeorological...
Documentation of Precipitation Runoff Modeling System modules for the Modular Modeling System modified for the Watershed and River Systems Management Program
Mark C. Mastin, J. J. Vaccaro
2002, Open-File Report 2002-362
A decision support system is being developed by the U.S. Geological Survey and the U.S. Bureau of Reclamation as part of a long-term project, the Watershed and River Systems Management Program. The goal of the program is to apply the decision support system to U.S. Bureau of Reclamation projects in...
Water-chemistry data for selected springs, geysers, and streams in Yellowstone National Park, Wyoming, 1999-2000
James W. Ball, R. Blaine McCleskey, D. Kirk Nordstrom, JoAnn M. Holloway, Philip L. Verplanck, Sabin A. Sturtevant
2002, Open-File Report 2002-382
Sixty-seven water analyses are reported for samples collected from 44 hot springs and their overflow drainages and two ambient-temperature acid streams in Yellowstone National Park (YNP) during 1990-2000. Thirty-seven analyses are reported for 1999, 18 for June of 2000, and 12 for September of 2000. These water samples were collected and analyzed as...
Human-health pharmaceutical compounds in Lake Mead, Nevada and Arizona, and Las Vegas Wash, Nevada, October 2000-August 2001
Robert A. Boyd, Edward T. Furlong
2002, Open-File Report 2002-385
The U.S. Geological Survey and the National Park Service conducted a reconnaissance study to investigate the occurrence of selected human-health pharmaceutical compounds in water samples collected from Lake Mead on the Colorado River and Las Vegas Wash, a waterway used to transport treated wastewater from the Las Vegas metropolitan area...
Spatial digital database for the geology of the San Pedro River Basin in Cochise, Gila, Graham, Pima, and Pinal Counties, Arizona
Karen S. Bolm
2002, Open-File Report 2002-393
This spatial digital database for the geology of the San Pedro River Basin in southeastern Arizona was compiled from three maps by Dickinson (1993, 1998, 2000). Mylar originals of the map sheets were scanned, and the resultant images were rectified to a mathematically-generated set of latitude and longitude registration points....
Near field receiving water monitoring of benthic community near the Palo Alto Water Quality Control Plant in south San Francisco Bay: February 1974 through December 2000
Janet K. Thompson, Francis Parcheso, Michelle K. Shouse
2002, Open-File Report 2002-394
Analyses of the benthic community structure over a 26-year period show that changes in the community have occurred concurrent with reduced concentrations of metals in the sediment and in the tissues of the biosentinal clam Macoma balthica from the same area. The community has shifted from being dominated by several...
Watershed models for decision support in the Yakima River basin, Washington
M. C. Mastin, J. J. Vaccaro
2002, Open-File Report 2002-404
A Decision Support System (DSS) is being developed by the U.S. Geological Survey and the Bureau of Reclamation as part of a long-term project, the Watershed and River Systems Management Program. The goal of the program is to apply the DSS to U.S. Bureau of Reclamation projects in the western...
MODFLOW-2000, the U.S. Geological Survey modular ground-water model -- Documentation of the Model-Layer Variable-Direction Horizontal Anisotropy (LVDA) capability of the Hydrogeologic-Unit Flow (HUF) package
Evan R. Anderman, K.L. Kipp, Mary C. Hill, Johan Valstar, R.M. Neupauer
2002, Open-File Report 2002-409
This report documents the model-layer variable-direction horizontal anisotropy (LVDA) capability of the Hydrogeologic-Unit Flow (HUF) Package of MODFLOW-2000. The LVDA capability allows the principal directions of horizontal anisotropy to be different than the model-grid row and column directions, and for the directions to vary on a cell-by-cell basis within model...
The Difference Between the Potentiometric Surfaces of the Aquia Aquifer, September 1982 and September 2001 in Southern Maryland
Stephen E. Curtin, David C. Andreasen, Judith C. Wheeler
2002, Open-File Report 2002-443
This report presents a map showing the change in the potentiometric surface of the Aquia aquifer in the Aquia Formation of Paleocene age in Southern Maryland for September 1982 and September 2001. The map, based on water level measurements in 58 wells, shows that the potentiometric surface during the 19-year...
Potentiometric Surface of the Magothy Aquifer in Southern Maryland, September 2001
Stephen E. Curtin, David C. Andreasen, Judith C. Wheeler
2002, Open-File Report 2002-444
This report presents a map showing the change in the potentiometric surface of the Aquia aquifer in the Aquia Formation of Paleocene age in Southern Maryland for September 1982 and September 2001. The map, based on water level measurements in 58 wells, shows that the potentiometric surface during the 19-year...
Potentiometric Surface of the Upper Patapsco Aquifer in Southern Maryland, September 2001
Stephen E. Curtin, David C. Andreasen, Judith C. Wheeler
2002, Open-File Report 2002-446
This report presents a map showing the potentiometric surface of the Upper Patapsco aquifer in the Patapsco Formation of Cretaceous age in Southern Maryland during September 2001. The map is based on water-level measurements in 49 wells. The potentiometric surface was highest at 118 feet above sea level near the...
The Difference Between the Potentiometric Surfaces of the Upper Patapsco Aquifer, September 1982 and September 2001 in Southern Maryland
Stephen E. Curtin, David C. Andreasen, Judith C. Wheeler
2002, Open-File Report 2002-447
This report presents a map showing the change in the potentiometric surface of the Upper Patapsco aquifer in the Upper Patapsco Formation of Cretaceous age in Southern Maryland for September 1990 and September 2001. The map, based on water level measurements in 35 wells, shows that during the 11-year period,...
An Intelligent Systems Approach to Automated Object Recognition: A Preliminary Study
Brian G. Maddox, Casey L. Swadley
2002, Open-File Report 2002-461
Attempts at fully automated object recognition systems have met with varying levels of success over the years. However, none of the systems have achieved high enough accuracy rates to be run unattended. One of the reasons for this may be that they are designed from the computer's point of view...
Selected effects of the Conservation Reserve Program on program participants: A report to survey respondents
Mark W. Vandever, Arthur W. Allen, Natalie R. Sexton
2002, Open-File Report 2002-476
The Conservation Reserve Program (CRP) established under the 1985 Food Security Act was initially designed to provide the agricultural community economic assistance while protecting highly erodible cropland. Many of the environmental benefits to soil, water, and wildlife resources have been documented (Dunn and others, 1993; Ryan and others, 1998; Flather...
Preliminary findings on the distribution of polycyclic aromatic hydrocarbons in the bottom sediments of the Alafia River-Kitchen Bay, Feather Sound, Pinellas Point, and Terra Ceia areas in Tampa Bay, Florida June 2002
Mario Fernandez Jr., Steve Robb, Khanh Doan, James Stephens, Stephen Grabe
2002, Open-File Report 2002-480
No abstract available....
Water-quality data for pharmaceuticals, hormones, and other organic wastewater contaminants in U.S. streams, 1999-2000
Kimberlee K. Barnes, Dana W. Kolpin, Michael T. Meyer, E. Michael Thurman, Edward T. Furlong, Steven D. Zaugg, Larry B. Barber
2002, Open-File Report 2002-94
Water-quality data collected during 1999 and 2000 as part of the first nationwide reconnaissance of the occurrence of pharmaceuticals, hormones, and other organic wastewater contaminants (OWCs) are presented in this report. A network of 139 streams in 30 states were sampled and analyzed for 95 different OWCs using five new...
Preliminary data used in estimating ground-water recharge, pumpage, and evapotranspiration in part of the Republican River Basin, Nebraska, Kansas, and Colorado
Michaela R. Johnson, Matthew K. Landon
2002, Open-File Report 2002-241
Fifty-year flood-inundation maps for Catacamas, Honduras
David L. Kresch, Mark C. Mastin, T. D. Olsen
2002, Open-File Report 2002-248
After the devastating floods caused by Hurricane Mitch in 1998, maps of the areas and depths of the 50-year-flood inundation at 15 municipalities in Honduras were prepared as a tool for agencies involved in reconstruction and planning. This report, which is one in a series of 15, presents maps of...
Fifty-year flood-inundation maps for Choluteca, Honduras
David L. Kresch, Mark C. Mastin, T. D. Olsen
2002, Open-File Report 2002-250
After the devastating floods caused by Hurricane Mitch in 1998, maps of the areas and depths of 50-year-flood inundation at 15 municipalities in Honduras were prepared as a tool for agencies involved in reconstruction and planning. This report, which is one in a series of 15, presents maps of areas...
The difference between the potentiometric surfaces of the lower Patapsco aquifer, September 1990 and September 2001 in southern Maryland
Stephen E. Curtin, David C. Andreasen, Judith C. Wheeler
2002, Open-File Report 2002-449
This report presents a map showing the change in the potentiometric surface of the Lower Patapsco aquifer in the Lower Patapsco Formation of Cretaceous age in Southern Maryland for September 1990 and September 2001. The map, based on water level measurements in 49 wells, shows that the change of the...
