Regional ground-water evapotranspiration and ground-water budgets, Great Basin, Nevada
William D. Nichols
2000, Professional Paper 1628
PART A: Ground-water evapotranspiration data from five sites in Nevada and seven sites in Owens Valley, California, were used to develop equations for estimating ground-water evapotranspiration as a function of phreatophyte plant cover or as a function of the depth to ground water. Equations are given for estimating mean daily...
Digital airborne time domain electromagnetic data from surveys over Cochiti Pueblo, Rio Puerco, and Rio Rancho, New Mexico
Maria Deszcz-Pan, B. D. Rodriguez, J. P. Doucette, Michel Godbout, J. M. Williams, D.A. Sawyer, B. D. Stone, V.J. Grauch, Geoterrex-Dighem
2000, Open-File Report 2000-502
The Albuquerque-Santa Fe region is rapidly growing. The Santa Fe Group aquifer in the Middle Rio Grande Basin (MRGB) is the main source of municipal water for the greater Albuquerque metropolitan area and is more limited than previously thought (Thorn et al., 1993). The MRGB, as defined hydrologically and used...
Phanerozoic tectonic evolution of the Circum-North Pacific
Warren J. Nokleberg, Leonid M. Parfenov, James W.H. Monger, Ian O. Norton, Alexander I. Khanchuk, David B. Stone, Christopher R. Scotese, David W. Scholl, Kazuya Fujita
2000, Professional Paper 1626
The Phanerozoic tectonic evolution of the Circum-North Pacific is recorded mainly in the orogenic collages of the Circum-North Pacific mountain belts that separate the North Pacific from the eastern part of the North Asian Craton and the western part of the North American Craton. These collages consist of tectonostratigraphic terranes...
Traveltime data for Truckee River between Tahoe City, California, and Marble Bluff Dam near Nixon, Nevada, 1999
E. James Crompton, Larry R. Bohman
2000, Open-File Report 2000-363
High-streamflow statistics of selected streams in the Red River of the North basin, North Dakota, Minnesota, South Dakota, and Manitoba
Tara Williams-Sether
2000, Open-File Report 2000-344
Statistical summaries of high-streamflow data through water year 1997 for selected active U.S. Geological Survey gaging stations for the Red River of the North Basin upstream of and including Emerson, Manitoba, but excluding the Devils Lake Basin, are presented in this report. The summaries for each streamflow-gaging station include (1)...
Mercury bioaccumulation in fish in a region affected by historic gold mining: The South Yuba River, Deer Creek, and Bear River watersheds, California, 1999
Jason T. May, Roger L. Hothem, Charles N. Alpers, Matthew A. Law
2000, Open-File Report 2000-367
Mercury that was used historically for gold recovery in mining areas of the Sierra Nevada continues to enter local and downstream water bodies, including the Sacramento Delta and the San Francisco Bay of northern California. Methylmercury is of particular concern because it is the most prevalent form of mercury in...
Assessment of sedimentation in Crowders Creek, York County, South Carolina, 1999-2000
Douglas D. Nagle
2000, Open-File Report 2000-378
Sedimentation in Crowders Creek cove in Lake Wylie, located in York County, South Carolina, has restricted boat navigation and made a boat ramp unusable. To provide baseline information, the U.S. Geological Survey, in cooperation with the York County Council, collected bathymetric and bed-sediment data in the cove, and streamflow and...
Water-quality and water-level data for a freshwater tidal wetland, West Branch Canal Creek, Aberdeen Proving Ground, Maryland, October 1998-September 1999
Tracey A. Spencer, Lisa D. Olsen, Michelle M. Lorah, Mastin M. Mount
2000, Open-File Report 2000-282
This report presents water-quality data for ground-water and surface-water samples and water-level data collected by the U.S. Geological Survey from October 1998 through September 1999 at West Branch Canal Creek, Aberdeen Proving Ground, Maryland. The report also provides a description of the sampling and analytical methods that were used to...
Long-term ground-water monitoring program and performance-evaluation plan for the extraction system at the former Nike Missile Battery Site, Aberdeen Proving Ground, Maryland
Michael P. Senus, Frederick J. Tenbus
2000, Open-File Report 2000-208
This report presents lithologic and ground-water-quality data collected during April and May 2000 in the remote areas of the tidal wetland of West Branch Canal Creek, Aberdeen Proving Ground, Maryland. Contamination of the Canal Creek aquifer with volatile organic compounds has been documented in previous investigations of the area. This...
Geophysical constraints on the Virgin River Depression, Nevada, Utah, and Arizona
Victoria E. Langenheim, J. M. Glen, R.C. Jachens, G. L. Dixon, T.C. Katzer, R. L. Morin
2000, Open-File Report 2000-407
Gravity and aeromagnetic data provide insights into the subsurface lithology and structure of the Virgin River Depression (VRD) of Nevada, Utah, and Arizona. The gravity data indicate that the Quaternary and Tertiary sedimentary deposits hide a complex pre-Cenozoic surface. A north-northwest-trending basement ridge separates the Mesquite and Mormon basins, as...
Electromagnetic surveys to detect clay-rich sediment in the Rio Grande inner valley, Albuquerque area, New Mexico
James R. Bartolino, Joseph M. Sterling
2000, Water-Resources Investigations Report 2000-4003
Information on the presence of clay-rich layers in the inner-valley alluvium is essential for quantifying the amount of water transmitted between the Rio Grande and the Santa Fe Group aquifer system. This report describes a study that used electromagnetic surveys to provide this information. In the first phase of the...
Computed roughness coefficients for Skunk Creek above Interstate 17, Maricopa County, Arizona
Christie M. O’Day, Jeff V. Phillips
2000, Water-Resources Investigations Report 99-4248
In the winter of 1997-98, the U.S. Geological Survey, in cooperation with the Flood Control District of Maricopa County, made six verification measurements for Manning's roughness coefficients at Skunk Creek above Interstate 17. Data from four floodflows were recorded and analyzed, three of these flows occurred in February 1998 when...
Water quality at basic fixed sites in the upper Colorado River basin National Water-Quality Assessment study unit, October 1995-September 1998
Norman E. Spahr, Robert W. Boulger, Richard J. Szmajter
2000, Water-Resources Investigations Report 99-4223
The Upper Colorado River Basin study unit of the U.S. Geological Survey National Water-Quality Assessment Program consists of the Colorado River watershed upstream from near the Colorado-Utah State line. The basin is about equally divided between the Southern Rocky Mountains and the Colorado Plateau physiographic provinces. Data were collected at...
Status of water levels and selected water-quality conditions in the Sparta and Memphis aquifers in eastern and south-central Arkansas, 1999
Robert L. Joseph
2000, Water-Resources Investigations Report 2000-4009
During the spring of 1999, water levels were measured in the Sparta and Memphis aquifers in 321 wells in eastern and south-central Arkansas. Water samples were collected during the spring and summer of 1999 from wells completed in these aquifers. The specific conductance of the ground water was measured from...
Aquifer-system compaction and land subsidence: Measurements, analyses, and simulations – The Holly Site, Edwards Air Force Base, Antelope Valley, California
Michelle Sneed, Devin L. Galloway
2000, Water-Resources Investigations Report 2000-4015
Land subsidence resulting from ground-water-level declines has long been recognized as a problem in Antelope Valley, California. At Edwards Air Force Base (EAFB), ground-water extractions have caused more than 150 feet of water-level decline, resulting in nearly 4 feet of subsidence. Differential land subsidence has caused sinklike depressions and earth...
Analysis of the magnitude and frequency of floods in Colorado
J. E. Vaill
2000, Water-Resources Investigations Report 99-4190
Regionalized flood-frequency relations need to be updated on a regular basis (about every 10 years). The latest study on regionalized flood-frequency equations for Colorado used data collected through water year 1981. A study was begun in 1994 by the U.S. Geological Survey, in cooperation with the Colorado Department of Transportation...
Phosphorus and E. coli in the Fanno and Bronson Creek subbasins of the Tualatin River basin, Oregon, during summer low-flow conditions, 1996
Kathleen A. McCarthy
2000, Water-Resources Investigations Report 2000-4062
As part of an ongoing cooperative study between the Unified Sewerage Agency of Washington County, Oregon, and the U.S. Geological Survey, phosphorus and Escherichia coli (E. coli) concentrations were measured in the Fanno and Bronson Creek subbasins of the Tualatin River Basin during September 1996. Data were collected at 19...
Metals transport in the Sacramento River, California, 1996-1997; Volume 2: Interpretation of metal loads
Charles N. Alpers, Ronald C. Antweiler, Howard E. Taylor, Peter D. Dileanis, Joseph L. Domagalski, editor(s)
2000, Water-Resources Investigations Report 2000-4002
Metals transport in the Sacramento River, northern California, from July 1996 to June 1997 was evaluated in terms of metal loads from samples of water and suspended colloids that were collected on up to six occasions at 13 sites in the Sacramento River Basin. Four of the sampling periods (July,...
Quality assurance and analysis of water levels in wells on Pahute Mesa and vicinity, Nevada Test Site, Nye County, Nevada
Joseph M. Fenelon
2000, Water-Resources Investigations Report 2000-4014
Periodic and continual water-level data from 1963 to 1998 were compiled and quality assured for 65 observation wells on Pahute Mesa and vicinity, Nye County, Nevada. As part of the quality assurance of all water levels, ancillary data pertinent to computing hydraulic heads in wells were compiled and analyzed. Quality-assured...
Pesticides in surface waters of the upper Colorado River basin, Colorado, 1996-98
Nancy J. Bauch, Norman E. Spahr
2000, Water-Resources Investigations Report 2000-4005
Forty-four river, stream, and drain sites in the Upper Colorado River Basin in Colorado were sampled during 1996?98 to determine the occurrence and distribution of pesticides in the basin. In a fixed-station study, 57 surface-water samples were collected from October 1996 through January 1998 at four sites. Each site was...
Microbiological monitoring for the U.S. Geological Survey National Water-Quality Assessment Program
Donna S. Francy, Donna N. Myers, Dennis R. Helsel
2000, Water-Resources Investigations Report 2000-4018
Data to characterize the microbiological quality of the Nation's fresh, marine, and estuarine waters are usually collected for local purposes, most often to judge compliance with standards for protection of public health in swimmable or drinkable waters. Methods and procedures vary with the objectives and practices of the parties collecting...
Analysis of nitrate and volatile organic compound data for ground water in the Great Salt Lake Basins, Utah, Idaho, and Wyoming, 1980-98
Susan A. Thiros
2000, Water-Resources Investigations Report 2000-4043
In 1995, ground water was the source of drinking water to about 52 percent of the population served by public drinking water systems in the Great Salt Lake Basins study unit, which includes parts of Utah, Idaho, and Wyoming. Existing nitrate and volatile organic compound data for ground water collected...
Lagtime relations for urban streams in Georgia
Ernest J. Inman
2000, Water-Resources Investigations Report 2000-4049
Urban flood hydrographs are needed for the design of many highway drainage structures, embankments, and entrances to detention ponds. The three components that are needed to simulate urban flood hydrographs at ungaged sites are the design flood, the dimensionless hydrograph, and lagtime. The design flood and the dimensionless hydrograph have...
Hydrology and water quality of Little Cross Creek, Cumberland County, North Carolina, 1996-98
Mary J. Giorgino, Terry L. Middleton
2000, Water-Resources Investigations Report 99-4284
Little Cross Creek is a small stream located in Cumberland County, North Carolina, in the Sand Hills area of the Coastal Plain Province. From August 1996 through August 1998, the U.S. Geological Survey collected streamflow, water-quality, and time-of-travel data at 10 sites in Little Cross Creek Basin to assess ambient...
Benthic invertebrates and quality of streambed sediments in the White River and selected tributaries in and near Indianapolis, Indiana, 1994-96
David C. Voelker, Danny E. Renn
2000, Water-Resources Investigations Report 1999–4276
During this study, 369 benthic-invertebrate samples were collected at 21 sites and 33 streambed-sediment samples were collected at 14 sites to help develop and evaluate control strategies to mediate the impact of point and nonpoint sources of pollution on the White River and selected tributaries in and near Indianapolis, Indiana....
