Hydrology and chemistry of floodwaters in the Yolo Bypass, Sacramento River system, California, during 2000
Laurence E. Schemel, Marisa H. Cox, Stephen W. Hager, Theodore R. Sommer
2002, Water-Resources Investigations Report 2002-4202
Discharges to and floodwaters in the Yolo Bypass were sampled during winter and spring, 2000. The primary purpose of the study was to link changes in water quality in the Yolo Bypass to inflows from the Sacramento River (over Fremont Weir) and from four local streams that discharge to the...
Interdecadal changes in the hydrometeorological regime of the Pacific Northwest and in the regional-to-hemispheric climate regimes, and their linkages
J. J. Vaccaro
2002, Water-Resources Investigations Report 2002-4176
Selected hydrometeorological (HM) data for the Pacific Northwest, and regional-to-hemispheric atmospheric-circulation data and sea-surface temperature (SST) data for the North Pacific, are examined for three successive interdecadal periods that are subsets of the instrumental record in order to estimate if their characteristics have changed. The HM data included monthly precipitation...
Ground-cover vegetation in wetland forests of the lower Suwannee River floodplain, Florida, and potential impacts of flow reductions
Melanie R. Darst, Helen M. Light, Lori J. Lewis
2002, Water-Resources Investigations Report 2002-4027
Ground-cover vegetation was surveyed in wetland forests in the lower Suwannee River floodplain, Florida, in a study conducted by the U.S. Geological Survey in cooperation with the Suwannee River Water Management District from 1996 to 1999. Increased water use in the basin, supplied primarily from ground water, could reduce ground-water...
Hydrologic investigation of Powell Marsh and its relation to Dead Pike Lake, Vilas County, Wisconsin
James T. Krohelski, William J. Rose, Randall J. Hunt
2002, Water-Resources Investigations Report 2002-4034
An analytic element ground-water-flow model was constructed to help understand the ground- and surface-water hydrology in the vicinity of Dead Pike Lake and Powell Marsh, Vilas County, Wisconsin. The model was used to simulate the effect of removing Powell Marsh control structures (ditches and Vista Pond) on the hydrology of...
Report of hydrologic investigations in the Three Sisters area of central Oregon, Summer 2001
William C. Evans, Robert H. Mariner, Steven E. Ingebritsen, B. Mack Kennedy, Matthias C. van Soest, Mark A. Huebner
2002, Water-Resources Investigations Report 2002-4061
An ongoing episode of crustal uplift centered in the Separation Creek drainage of the Three Sisters area, central Oregon Cascades, may result from a magmatic intrusion that began in 1998. An investigation of springs in this drainage in summer 2001 revealed slightly elevated water temperatures and chloride (Cl-) concentrations of...
Ground-water levels in the Floridan-Midville aquifer in the Breezy Hill area, Aiken and Edgefield Counties, South Carolina, April 1999-November 2000
Larry G. Harrelson, W. Fred Falls, David C. Prowell
2002, Water-Resources Investigations Report 2002-4075
The Breezy Hill area in Aiken and Edgefield Counties of west-central South Carolina is a rapidly growing region in need of increasing amounts of ground water. From 1995 to 1998, the local water utility increased ground-water withdrawals in the Breezy Hill area from 1.4 to 2.1 million gallons per day...
Characterization and analysis of temporal and spatial variations in habitat and macroinvertebrate community structure, Fountain Creek basin, Colorado Springs and vicinity, Colorado, 1998-2001
James F. Bruce
2002, Water-Resources Investigations Report 2002-4093
The Fountain Creek Basin in and around Colorado Springs, Colorado, is affected by various land- and water-use activities. Biological, hydrological, water-quality, and land-use data were collected at 10 sites in the Fountain Creek Basin from April 1998 through April 2001 to provide a baseline characterization of macroinvertebrate communities and habitat...
Influence of hydrology on life-history parameters of common freshwater fishes from southern Florida
William F. Loftus
2002, Fact Sheet 139-02
Fishes are essential to the successful functioning of wetland food webs in southern Florida through their roles as prey and predators. Any changes that reduce the population sizes, community composition, or availability of aquatic animals will affect all facets of the ecology of these wetlands. In particular, small and medium-size...
Compilation of minimum and maximum isotope ratios of selected elements in naturally occurring terrestrial materials and reagents
T.B. Coplen, J.A. Hopple, J.K. Böhlke, H.S. Peiser, S.E. Rieder, H.R. Krouse, K.J.R. Rosman, T. Ding, R.D. Vocke Jr., K.M. Revesz, A. Lamberty, P. Taylor, P. De Bievre
2002, Water-Resources Investigations Report 2001-4222
Documented variations in the isotopic compositions of some chemical elements are responsible for expanded uncertainties in the standard atomic weights published by the Commission on Atomic Weights and Isotopic Abundances of the International Union of Pure and Applied Chemistry. This report summarizes reported variations in the isotopic compositions of 20...
Three-dimensional hydrogeologic framework model for use with a steady-state numerical ground-water flow model of the Death Valley regional flow system, Nevada and California
Wayne R. Belcher, Claudia C. Faunt, Frank A. D’Agnese
2002, Water-Resources Investigations Report 2001-4254
The U.S. Geological Survey, in cooperation with the Department of Energy and other Federal, State, and local agencies, is evaluating the hydrogeologic characteristics of the Death Valley regional ground-water flow system. The ground-water flow system covers an area of about 100,000 square kilometers from latitude 35? to 38?15' North to...
Flux of dissolved forms of mercury across the sediment-water interface in Lahontan Reservoir, Nevada
James S. Kuwabara, Mark Marvin-DiPasquale, Wayne Praskins, Earl Byron, Brent R. Topping, James L. Carter, Steven V. Fend, Francis Parcheso, David P. Krabbenhoft, Mae S. Gustin
2002, Water-Resources Investigations Report 2002-4138
No abstract available....
Hurricane Mitch: Peak Discharge for Selected River Reachesin Honduras
Mark E. Smith, Jeffrey V. Phillips, Norman E. Spahr
2002, Water-Resources Investigations Report 2001-4266
Hurricane Mitch began as a tropical depression in the Caribbean Sea on 22 October 1998. By 26 October, Mitch had strengthened to a Category 5 storm as defined by the Saffir-Simpson Hurricane Scale (National Climate Data Center, 1999a), and on 27 October was threatening the northern coast of Honduras (fig....
Simulation of ground-water flow in the Intermediate and Floridan aquifer systems in Peninsular Florida
Nicasio Sepulveda
2002, Water-Resources Investigations Report 2002-4009
A numerical model of the intermediate and Floridan aquifer systems in peninsular Florida was used to (1) test and refine the conceptual understanding of the regional ground-water flow system; (2) develop a data base to support subregional ground-water flow modeling; and (3) evaluate effects of projected 2020 ground-water withdrawals on...
Simulation of runoff and water quality for 1990 and 2008 land-use conditions in the Reedy Creek watershed, east-central Florida
Shaun Wicklein, Donna M. Schiffer
2002, Water-Resources Investigations Report 2002-4018
Hydrologic and water-quality data have been collected within the 177-square-mile Reedy Creek, Florida, watershed, beginning as early as 1939, but the data have not been used to evaluate relations among land use, hydrology, and water quality. A model of the Reedy Creek watershed was developed and applied to the period...
Hydrogeology and leachate plume delineation at a closed municipal landfill, Norman, Oklahoma
Carol Becker
2002, Water-Resources Investigations Report 2001-4168
The City of Norman operated a solid-waste municipal landfill at two sites on the Canadian River alluvium in Cleveland County, Oklahoma from 1970 to 1985. The sites, referred to as the west and east cells of the landfill, were originally excavations in the unconsolidated alluvial deposits and were not lined....
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...
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...
Lithologic and ground-water data for monitoring sites in the Mojave River and Warren Valley basins, San Bernardino County, California, 1992-1998
Julia A. Huff, Dennis A. Clark, Peter Martin
2002, Open-File Report 2002-354
Lithologic and ground-water data were collected at 85 monitoring sites constructed in the Mojave Water Agency Management area in San Bernardino County, California, as part of a series of cooperative studies between the U.S. Geological Survey and the Mojave Water Agency. The data are being used to evaluate and address...
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...
Modeling Fish Population and Biomass on the Everglades Landscape (ALFISH)
Donald L. DeAngelis, Louis J. Gross, Holly Gaff, Rene Salinas
2002, Fact Sheet 138-02
ALFISH is a model created under the Across Trophic Level System Simulation (ATLSS) Program of the U.S. Geological Survey (USGS). Its purpose is to describe fish functional groups in freshwater marshes of the greater Everglades area of southern Florida. In particular, it is intended to assess the spatial pattern of...
ATLSS high-resolution topography and hydrology model
Donald L. DeAngelis, Scott M. Duke-Sylvester
2002, Fact Sheet 137-02
The Across Trophic Level System Simulation (ATLSS) Program of the U.S. Geological Survey has produced High-Resolution Hydrology and High-Resolution Topography models to provide high-resolution hydrologic data for the Greater Everglades landscape. Such hydrologic data is essential for describing the effect of hydrology on the important wildlife populations that are being...
SIMSPAR model simulates the impact of hydrology on the Cape Sable seaside sparrow
Donald L. DeAngelis, Philip Nott, Louis J. Gross
2002, Fact Sheet 136-02
SIMSPAR is a spatially-explicit, individual-based model designed as a management and evaluation tool for the Cape Sable seaside sparrow (Ammodramus maritimus mirabilis), an endangered subspecies of seaside sparrow that lives exclusively in the southern Everglades. The model is designed to simulate how changes in hydrology across the nesting area of...
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...
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...