Servicio de Mapas en Internet para la Salud Ambiental en la Region Fronteriza Entre los Estados Unidos y Mexico
Denny Buckler, Jim Stefanov
2004, Fact Sheet 2004-3140
La region fronteriza de los Estados Unidos y Mexico abarca una gran diversidad de ambientes fisicos y habitaciones, entre los cuales estan los humedales, desiertos, pastos, montanas, y bosques. Estos a su vez son unicos en cuanto a su diversidad de recursos acuaticos minerales, y biologicos. La region se interconecta...
Internet Map Service for Environmental Health in the U.S.-Mexico Border Region
Denny Buckler, Jim Stefanov
2004, Fact Sheet 2004-3140
The objective of this project is to provide an earth and biological resources database within a geographic framework using an Internet Map Service (IMS) to further our understanding of the linkages between the condition of the physical environment and public health issues. The IMS is now available on the Internet...
Section 1. Simulation of surface-water integrated flow and transport in two-dimensions: SWIFT2D user's manual
Raymond W. Schaffranek
2004, Techniques and Methods 6-B1
A numerical model for simulation of surface-water integrated flow and transport in two (horizontal-space) dimensions is documented. The model solves vertically integrated forms of the equations of mass and momentum conservation and solute transport equations for heat, salt, and constituent fluxes. An equation of state for salt balance directly couples...
Stratigraphic framework and depositional sequences in the Lower Silurian regional oil and gas accumulation, Appalachian Basin: From Ashland County, Ohio, through southwestern Pennsylvania, to Preston County, West Virginia
Robert T. Ryder
2004, IMAP 2810
No abstract available....
Water resources data Maryland, Delaware, and Washington, D.C., water year 2003, volume 2. ground-water data
Water Resources Division, U.S. Geological Survey
2004, Water Data Report MD-DE-DC-03-2
Water resources data for the 2003 water year for Maryland, Delaware, and Washington, D.C. consist of records of water levels and water quality of ground-water wells. This report (Volume 2. Ground-Water Data) contains water levels at 386 observation wells, discharge records for 4 springs, and water quality at 185 wells....
Effects of reservoir installation, San Juan-Chama Project water, and reservoir operations on streamflow and water quality in the Rio Chama and Rio Grande, northern and central New Mexico, 1938-2000
Jeff B. Langman, Scott K. Anderholm
2004, Scientific Investigations Report 2004-5188
The coordinated operation of Heron, El Vado, and Abiquiu Dams on the Rio Chama and Cochiti Dam on the Rio Grande and the importation of Colorado River Basin water by the San Juan-Chama Project have altered streamflow and water quality of the Rio Chama and Rio Grande in northern and...
Assessment of ground-water withdrawals at municipal industrial parks in Puerto Rico, 2000
Jose M. Rodriguez
2004, Scientific Investigations Report 2004-5029
An assessment of ground-water withdrawals at municipal industrial parks throughout Puerto Rico was conducted to investigate the effect of ground-water usage on nearby surface- and ground-water resources. Water-bearing strata were divided into four generalized hydrogeologic units: (1) fissured aquifers (including karst and non-karst limestone); (2) intergranular aquifers; (3) intergranular aquifers...
Water resources data, Florida, water year 2004, volume 3A: southwest Florida surface water
Richard L. Kane
2004, Water Data Report FL-04-3A
Water resources data for the 2004 water year in Florida consist of continuous or daily discharges for 405 streams, periodic discharge for 12 streams, continuous daily stage for 159 streams, periodic stage for 19 streams, peak stage for 30 streams and peak discharge for 30 streams, continuous or daily elevations...
Hydrogeology of Webb County, Texas
Rebecca B. Lambert
2004, Scientific Investigations Report 2004-5022
IntroductionWebb County, in semiarid South Texas on the U.S.-Mexico border, is a region confronted by increasing stresses on natural resources. Laredo (fig. 1), the largest city in Webb County (population 193,000 in 2000), was one of the 10 fastest-growing metropolitan areas in the country during 1990-2000 (Perry and Mackun, 2001)....
Conceptualization and simulation of the Edwards aquifer, San Antonio region, Texas
Richard J. Lindgren, A.R. Dutton, S.D. Hovorka, S.R.H. Worthington, Scott Painter
2004, Scientific Investigations Report 2004-5277
A new numerical ground-water-flow model (Edwards aquifer model) that incorporates important components of the latest information and plausible conceptualization of the Edwards aquifer was developed. The model includes both the San Antonio and Barton Springs segments of the Edwards aquifer in the San Antonio region, Texas, and was calibrated for...
Evaluation of water-quality and habitat assessment data to determine ranges in stream conditions in the Mississippi River Alluvial Plain of northwestern Mississippi and eastern Arkansas
Richard A. Rebich, Heather L. Welch, Richard H. Coupe
2004, Water-Resources Investigations Report 2003-4251
Coastal-change and glaciological map of the Eights Coast area, Antarctica, 1972-2001
Charles Swithinbank, Richard S. Williams Jr., Jane G. Ferrigno, Kevin M. Foley, Christine E. Rosanova, Lina M. Dailide
2004, IMAP 2600-E
Changes in the area and volume of polar ice sheets are intricately linked to changes in global climate, and the resulting changes in sea level may severely impact the densely populated coastal regions on Earth. Melting of the West Antarctic part alone of the Antarctic ice sheet could cause a...
Water resources data Florida, water year 2004: Volume 3B: southwest Florida ground water
Richard L. Kane
2004, Water Data Report FL-04-3B
Water resources data for the 2004 water year in Florida consist of continuous or daily discharges for 405 streams, periodic discharge for 12 streams, continuous or daily stage for 159 streams, periodic stage for 19 streams, peak stage for 30 streams and peak discharge for 30 streams, continuous or daily...
Lake Worth bottom sediments : A chronicle of water-quality changes in western Fort Worth, Texas, 1914-2001
Christopher L. Braun, Glenn R. Harwell
2004, Fact Sheet 2004-3077
In spring 2000, the Texas Department of Health issued a fish-consumption advisory for Lake Worth, Tex., because of elevated concentrations of polychlorinated biphenyls (PCBs) in fish (Texas Department of Health, 2000). In response to the advisory and in cooperation with the U.S. Air Force, the U.S. Geological Survey (USGS) collected...
Concentrations of selected organochlorine compounds in fish tissue in the Mississippi Embayment Study Unit : Arkansas, Kentucky, Louisiana, Mississippi, Missouri, and Tennessee, 1995-99
Suzanne R. Femmer, Richard H. Coupe, B. G. Justus, Barbara A. Kleiss
2004, Scientific Investigations Report 2004-5006
Whole fish were collected at 52 sites during 1995-99 to evaluate the occurrence and distribution of selected organochlorine compounds in the Mississippi Embayment Study Unit. Samples were collected as part of the U.S. Geological Survey National Water Quality Assessment Program. From 5 to 8 fish were collected at each site;...
Simulation of ground-water flow, contributing recharge areas, and ground-water travel time in the Missouri River alluvial aquifer near Ft. Leavenworth, Kansas
Brian P. Kelly
2004, Scientific Investigations Report 2004-5215
The Missouri River alluvial aquifer near Ft. Leavenworth, Kansas, supplies all or part of the drinking water for Ft. Leavenworth; Leavenworth, Kansas; Weston, Missouri; and cooling water for the Kansas City Power and Light, Iatan Power Plant. Ground water at three sites within the alluvial aquifer near the Ft. Leavenworth...
Potential-scour assessments and estimates of scour depth using different techniques at selected bridge sites in Missouri
Richard J. Huizinga, Paul H. Rydlund Jr.
2004, Scientific Investigations Report 2004-5213
The evaluation of scour at bridges throughout the state of Missouri has been ongoing since 1991 in a cooperative effort by the U.S. Geological Survey and Missouri Department of Transportation. A variety of assessment methods have been used to identify bridges susceptible to scour and to estimate scour depths. A...
Summary of hydrogeology and simulation of ground-water flow and land-surface subsidence in the northern part of the Gulf Coast aquifer system, Texas
Mark C. Kasmarek, James L. Robinson
2004, Fact Sheet 2004-3076
The northern part of the Gulf Coast aquifer system in Texas, which includes the Chicot, Evangeline, and Jasper aquifers, supplies most of the water used for industrial, municipal, agricultural, and commercial purposes for an approximately 25,000- square-mile (mi2) area that includes the Beaumont and Houston metropolitan areas. The area has...
Selected hydrologic data for the upper Rio Hondo basin, Lincoln County, New Mexico, 1945-2003
Lisa C. Donohoe
2004, Scientific Investigations Report 2004-5275
Demands for ground and surface water have increased in the upper Rio Hondo Basin due to increases in development and population. Local governments are responsible for land-use and development decisions and, therefore, the governments need information about water resources in their areas. Hydrologic data were compiled for the upper Rio...
Geophysical logging and packer testing to determine depth of trichloroethene (TCE) contamination in the vicinity of Oak Grove Village Well 1 (OGV-1), Missouri, 2003–04
John G. Schumacher
2004, Scientific Investigations Map 2864
No abstract available....
Estimating flood-peak discharge magnitudes and frequencies for rural streams in Illinois
David T. Soong, Audrey L. Ishii, Jennifer B. Sharpe, Charles F. Avery
2004, Scientific Investigations Report 2004-5103
Flood-peak discharge magnitudes and frequencies at streamflow-gaging sites were developed with the annual maximum series (AMS) and the partial duration series (PDS) in this study. Regional equations for both flood series were developed for estimating flood-peak discharge magnitudes at specified recurrence intervals of rural Illinois streams. The regional equations are techniques for estimating...
Hydrologic, soil, and vegetation gradients in remnant and constructed riparian wetlands in west-central Missouri, 2001-04
David C. Heimann, Paige A. Mettler-Cherry
2004, Scientific Investigations Report 2004-5216
A study was conducted by the U.S. Geological Survey in cooperation with the Missouri Department of Conservation at the Four Rivers Conservation Area (west-central Missouri), between January 2001 and March 2004, to examine the relations between environmental factors (hydrology, soils, elevation, and landform type) and the spatial distribution of vegetation...
A cross-site comparison of methods used for hydrogeologic characterization of the Galena-Platteville aquifer in Illinois and Wisconsin, with examples from selected Superfund sites
Robert T. Kay, P.C. Mills, Charles P. Dunning, Douglas J. Yeskis, James R. Ursic, Mark Vendl
2004, Scientific Investigations Report 2004-5136
The effectiveness of 28 methods used to characterize the fractured Galena-Platteville aquifer at eight sites in northern Illinois and Wisconsin is evaluated. Analysis of government databases, previous investigations, topographic maps, aerial photographs, and outcrops was essential to understanding the hydrogeology in the area to be investigated. The effectiveness of...
Hydrogeology and simulation of regional ground-water-level declines in Monroe County, Michigan
Howard W. Reeves, Kirsten V. Wright, J.R. Nicholas
2004, Water-Resources Investigations Report 2003-4312
Observed ground-water-level declines from 1991 to 2003 in northern Monroe County, Michigan, are consistent with increased ground-water demands in the region. In 1991, the estimated ground-water use in the county was 20 million gallons per day, and 80 percent of this total was from quarry dewatering. In 2001, the estimated...
Regional hydrology and simulation of flow of stratified-drift aquifers in the glaciated northeastern United States
Angelo L. Kontis, Allan D. Randall, David L. Mazzaferro
2004, Professional Paper 1415-C
No abstract available....
