Associations among land-use, habitat characteristics, and invertebrate community structure in nine streams on the island of Oahu, Hawaii
Anne M.D. Brasher, Reuben H. Wolff, Corene D. Luton
2003, Water-Resources Investigations Report 2003-4256
The island of Oahu is one of 51 study units established as part of the U.S. Geological Surveys National Water-Quality Assessment (NAWQA) program to assess the status and trends of the Nations surface and ground-water resources, and to link status and trends with an understanding of the natural and human...
Cx-02 Program, workshop on modeling complex systems
Victor G. Mossotti, Jo Ann Barragan, Todd D. Westergard
2003, Open-File Report 2003-364
This publication contains the abstracts and program for the workshop on complex systems that was held on November 19-21, 2002, in Reno, Nevada. Complex systems are ubiquitous within the realm of the earth sciences. Geological systems consist of a multiplicity of linked components with nested feedback loops; the dynamics of these...
Contributions to Industrial-Minerals Research
James D. Bliss, Phillip R. Moyle, Keith R. Long
2003, Bulletin 2209
Contributions to Industrial-Minerals Research, an ongoing series of U.S. Geological Survey (USGS) Bulletin chapters, presents research strategies, results, and updates of investigations of industrial minerals by USGS scientists and cooperators. Industrial minerals are defined as valuable nonmetallic, nonfuel geologic materials, generally rocks or minerals, used in a wide range of...
The Long Valley Caldera GIS database
Maurizio Battaglia, M.J. Williams, D.Y. Venezky, D.P. Hill, John O. Langbein, Christopher D. Farrar, James F. Howle, Michelle Sneed, P. Segall
2003, Data Series 81
This database provides an overview of the studies being conducted by the Long Valley Observatory in eastern California from 1975 to 2001. The database includes geologic, monitoring, and topographic datasets related to Long Valley caldera. The CD-ROM contains a scan of the original geologic map of the Long Valley region...
Proceedings of the Hayward Fault Workshop, Eastern San Francisco Bay Area, California, September 19-20, 2003
David A. Ponce, Roland Burgmann, Russell W. Graymer, James J. Lienkaemper, Diane E. Moore, David P. Schwartz
2003, Open-File Report 2003-485
Louisiana ground-water map no. 16: Potentiometric surface of the "1,500-foot" sand of the Baton Rouge area, Louisiana, spring 2001
J.M. Griffith, J. K. Lovelace
2003, Water-Resources Investigations Report 2003-4021
Sedimentation survey of Lago de Matrullas, Puerto Rico, December 2001
Luis R. Soler-Lopez
2003, Water-Resources Investigations Report 2003-4102
Lago de Matrullas reservoir, constructed in 1934, is located at an altitude of approximately 730 meters above mean sea level in the municipality of Orocovis in central Puerto Rico, and has a drainage area of 11.45 square kilometers. The reservoir is part of the Puerto Rico Electric Power Authority Toro...
Sedimentation Survey of Lago El Guineo, Puerto Rico, October 2001
Luis R. Soler-Lopez
2003, Water-Resources Investigations Report 2003-4093
Lago El Guineo has lost about 17.5 percent of its original storage capacity in 70 years because of sediment accumulation. The water volume has been reduced from 2.29 million cubic meters in 1931, to 2.03 million cubic meters in 1986, and to 1.89 million cubic meters in 2001. The average...
Is a powerful quake likely to strike in the next 30 years?
Andrew J. Michael, Stephanie L. Ross, Robert W. Simpson, Mary Lou Zoback, David P. Schwartz, Michael L. Blanpied, Working Group 2002
Peter H. Stauffer, James W. Hendley II, editor(s)
2003, Fact Sheet 039-03
No abstract available....
Geohydrology of the Valley-Fill aquifer in the Norwich-Oxford-Brisben area, Chenango County, New York
Kari K. Hetcher, Todd S. Miller, James D. Garry, Richard J. Reynolds
2003, Open-File Report 2003-242
This set of maps and geohydrologic sections depicts the geology and hydrology of aquifers in the 21.9-square-mile reach of the Chenango River valley between Brisben and North Norwich, N.Y. This report depicts the principal geographic features of the study area; locations of domestic, commercial, and municipal wells from which data...
USGS overview of research activities for evaluating uncertainty
Mary C. Hill, George H. Leavesley
2003, Conference Paper, Proceedings of the International Workshop on Uncertainty, Sensitivity, and Parameter Estimation for Multimedia Environmental Modeling
No abstract available....
Measuring human-induced land subsidence from space
Gerald W. Bawden, Michelle Sneed, Sylvia V. Stork, Devin L. Galloway
2003, Fact Sheet 069-03
Satellite Interferometric Synthetic Aperture Radar (InSAR) is a revolutionary technique that allows scientists to measure and map changes on the Earth's surface as small as a few millimeters. By bouncing radar signals off the ground surface from the same point in space but at different times, the radar satellite can...
Topography and Sedimentation Characteristics of the Squaw Creek National Wildlife Refuge, Holt County, Missouri, 1937-2002
David C. Heimann, Joseph M. Richards
2003, Water-Resources Investigations Report 2003-4211
The Squaw Creek National Wildlife Refuge (hereafter referred to as the Refuge), located on the Missouri River floodplain in northwest Missouri, was established in 1935 to provide habitat for migratory birds and wildlife. Results of 1937 and 1964 topographic surveys indicate that sedimenta-tion, primarily from Squaw Creek and Davis Creek...
Fipronil and degradation products in the rice-producing areas of the Mermentau River Basin, Louisiana, February-September 2002
Dennis K. Demcheck, S. C. Skrobialowski
2003, Fact Sheet 010-03
Quality of water in domestic wells in the Chicot and Chicot equivalent aquifer systems, southern Louisiana and southwestern Mississippi, 2000-2001
Roland W. Tollett, Robert B. Fendick Jr., Lane B. Simmons
2003, Water-Resources Investigations Report 2003-4122
In 2000-2001, water-quality data were collected from 60 randomly selected domestic wells in the Acadian-Pontchartrain Study Unit, as part of the National Water-Quality Assessment Program. The data were collected from wells screened in shallow sands (less than 350 feet below land surface) in two major aquifer systems--the Chicot aquifer...
Water-quality characteristics of urban storm runoff at selected sites in East Baton Rouge Parish, Louisiana, February 1998 through April 2002
C. Paul Frederick
2003, Water-Resources Investigations Report 2003-4212
Water was sampled at four watersheds for continued evaluation of urban storm runoff in East Baton Rouge Parish, Louisiana, during February 1998 through April 2002. Eighteen samples were collected from four watersheds representing land uses characterized predominantly as established commercial, industrial, new commercial, and residential. Results of water-quality...
Atrazine in southern Louisiana streams, 1998-2000
Dennis K. Demcheck, Christopher M. Swarzenski
2003, Fact Sheet 011-03
Hydrogeology of the Tully Trough, southern Onondaga County and northern Cortland County, New York
William M. Kappel, Todd S. Miller
2003, Water-Resources Investigations Report 2003-4112
A trough valley near Tully, N.Y. was formed by the same glacial processes that formed the Finger Lake valleys to the west. Glacial ice eroded a preglacial bedrock divide along the northern rim of the Allegheny Plateau and deepened a preglacial valley to form a trough valley. Subsequent meltwater issuing...
Mercury in stream ecosystems -- New studies initiated by the U.S. Geological Survey
Mark E. Brigham, David P. Krabbenhoft, Pixie A. Hamilton
2003, Fact Sheet 016-03
Mercury can adversely affect humans and wildlife through consumption of contaminated fish, particularly by sensitive individuals, such as children and women of childbearing age. Mercury is currently the leading cause of impairment in the Nation’s estuaries and lakes and was cited in nearly 80 percent of fish-consumption advisories (2,242 of...
A cost-benefit analysis of The National Map
David L. Halsing, Kevin Theissen, Richard Bernknopf
2003, Circular 1271
The Geography Discipline of the U.S. Geological Survey (USGS) has conducted this cost-benefit analysis (CBA) of The National Map. This analysis is an evaluation of the proposed Geography Discipline initiative to provide the Nation with a mechanism to access current and consistent digital geospatial data. This CBA is a supporting...
Report of the River Master of the Delaware River for the period December 1, 1999 - November 30, 2000
Bruce E. Krejmas, Gary N. Paulachok, William J. Carswell Jr.
2003, Open-File Report 2003-414
No abstract available....
Desalination of Ground Water: Earth Science Perspectives
William M. Alley
2003, Fact Sheet 075-03
Availability of ground-water data for California, water year 2002
Julia A. Huff
2003, Fact Sheet 074-03
The U.S. Geological Survey, Water Resources, in cooperation with Federal, State, and local agencies, obtains a large amount of data pertaining to the ground-water resources of California each water year (October 1?September 30). These data constitute a valuable database for developing an improved understanding of the water resources of the...
Pesticides and oil and grease in selected streams and lakes in northeastern Louisiana, 2001
Benton D. McGee
2003, Open-File Report 2003-386
A 6-month study was begun in April 2001 to determine the concentrations of pesticides or oil and grease in selected stream reaches and lakes within the Ouachita, Tensas, and Black River Basins in northeastern Louisiana. During April through September 2001, six monthly water samples for analysis of pesticides were...
Development and calibration of a ground-water flow model for the Sparta Aquifer of southeastern Arkansas and north-central Louisiana and simulated response to withdrawals, 1998-2027
Paul W. McKee, Brian R. Clark
2003, Water-Resources Investigations Report 2003-4132
The Sparta aquifer, which consists of the Sparta Sand, in southeastern Arkansas and north-central Louisiana is a major water resource and provides water for municipal, industrial, and agricultural uses. In recent years, the demand in some areas has resulted in withdrawals from the Sparta aquifer that substantially exceed replenishment of...
