Audiomagnetotelluric data from Spring, Cave, and Coyote Spring Valleys, Nevada
Darcy McPhee, Bruce A. Chuchel, Louise Pellerin
2006, Open-File Report 2006-1164
Audiomagnetotelluric (AMT) data along four profiles in Spring, Cave, and Coyote Spring Valleys are presented here. The AMT method is used to estimate the electrical resistivity of the earth over depth ranges of a few meters to greater than one kilometer. This method is a valuable tool for revealing subsurface...
Evaluation of well-purging effects on water-quality results for samples collected from the eastern Snake River Plain aquifer underlying the Idaho National Laboratory, Idaho
LeRoy L. Knobel
2006, Scientific Investigations Report 2006-5232
This report presents qualitative and quantitative comparisons of water-quality data from the Idaho National Laboratory, Idaho, to determine if the change from purging three wellbore volumes to one wellbore volume has a discernible effect on the comparability of the data. Historical water-quality data for 30 wells were visually compared to...
Results of analyses of the fungicide Chlorothalonil, its degradation products, and other selected pesticides at 22 surface-water sites in five Southern states, 2003-04
Elisabeth A. Scribner, James L. Orlando, William A. Battaglin, Mark W. Sandstrom, Kathryn Kuivila, Michael T. Meyer
2006, Open-File Report 2006-1207
In accordance with the mission of the U.S. Geological Survey (USGS) Toxic Substances Hydrology Program, a pesticide study was conducted during 2003–04 to determine the occurrence of the fungicide chlorothalonil and its degradation products at 22 surface-water sites in five Southern States. Water-quality samples were collected during the peanut-growing season...
Evaluation of baseline ground-water conditions in the Mosteiros, Ribeira Paul, and Ribeira Fajã Basins, Republic of Cape Verde, West Africa, 2005-06
Victor M. Heilweil, John D. Earle, Jay R. Cederberg, Mickey M. Messer, Brent E. Jorgensen, Ingrid M. Verstraeten, Miguel A. Moura, Arrigo Querido, Spencer, Tatiana Osorio
2006, Scientific Investigations Report 2006-5207
This report documents current (2005-06) baseline ground-water conditions in three basins within the West African Republic of Cape Verde (Mosteiros on Fogo, Ribeira Paul on Santo Antão, and Ribeira Fajã on São Nicolau) based on existing data and additional data collected during this study. Ground-water conditions (indicators) include ground-water levels,...
Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map of the western Aleutian Islands, Alaska
Water Resources Division, U.S. Geological Survey
2006, Open-File Report 2006-1302
The growth in the use of Geographic Information Systems (GIS) has highlighted the need for digital geologic maps that have been attributed with information about age and lithology. Such maps can be conveniently used to generate derivative maps for manifold special purposes such as mineral-resource assessment, metallogenic studies, tectonic studies,...
Preliminary integrated geologic map databases for the United States: Digital data for the generalized bedrock geologic map, Yukon Flats region, east-central Alaska
Alison B. Till, Julie A. Dumoulin, Jeffrey D. Phillips, Richard G. Stanley, Jessie Crews
2006, Open-File Report 2006-1304
The growth in the use of Geographic Information Systems (GIS) has highlighted the need for digital geologic maps that have been attributed with information about age and lithology. Such maps can be conveniently used to generate derivative maps for manifold special purposes such as mineral-resource assessment, metallogenic studies, tectonic studies,...
Water-quality reconnaissance of Laguna Tortuguero, Vega Baja, Puerto Rico, March 1999-May 2000
Luis Soler-Lopez, Senen Guzman-Rios, Carlos Conde-Costas
2006, Open-File Report 2006-1049
The Laguna Tortuguero, a slightly saline to freshwater lagoon in north-central Puerto Rico, has a surface area of about 220 hectares and a mean depth of about 1.2 meters. As part of a water-quality reconnaissance, water samples were collected at about monthly and near bi-monthly intervals from March 1999 to...
Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance bedrock geologic map for the northern Alaska peninsula area, southwest Alaska
Water Resources Division, U.S. Geological Survey
2006, Open-File Report 2006-1303
he growth in the use of Geographic Information Systems (GIS) has highlighted the need for digital geologic maps that have been attributed with information about age and lithology. Such maps can be conveniently used to generate derivative maps for manifold special purposes such as mineral-resource assessment, metallogenic studies, tectonic studies,...
Estimate of ground water in storage in the Great Lakes basin, United States, 2006
William F. Coon, Rodney A. Sheets
2006, Scientific Investigations Report 2006-5180
Hydrogeologic data from Regional Aquifer System Analyses (RASA) studies by the U.S. Geological Survey in the Great Lakes Basin, United States, during 1978-95, were compiled and used to estimate the total volume of water that is stored in the many aquifers of the basin. These studies focused on six regional...
User's manual for the Graphical Constituent Loading Analysis System (GCLAS)
G. F. Koltun, Michael Eberle, J. R. Gray, G.D. Glysson
2006, Techniques and Methods 4-C1
This manual describes the Graphical Constituent Loading Analysis System (GCLAS), an interactive cross-platform program for computing the mass (load) and average concentration of a constituent that is transported in stream water over a period of time. GCLAS computes loads as a function of an equal-interval streamflow time series and an...
Creation of GIS compatible, historic detailed soil data sets for the Collier and Miami-Dade Counties, Florida
John W. Jones
2006, Open-File Report 2006-1315
When soils data are in digital format compatible with geographic information systems (GIS), a wide variety of analyses and display capabilities are afforded. Detailed information on soils that may be important to Everglades ecosystem restoration has been created in hardcopy form using traditional soils mapping techniques. However, accurate conversion of...
Optimal interpolation analysis of leaf area index using MODIS data
Yingxin Gu, Stephane Belair, Jean-Francois Mahfouf, Godelieve Deblonde
2006, Remote Sensing of Environment (104) 283-296
A simple data analysis technique for vegetation leaf area index (LAI) using Moderate Resolution Imaging Spectroradiometer (MODIS) data is presented. The objective is to generate LAI data that is appropriate for numerical weather prediction. A series of techniques and procedures which includes data quality control, time-series data smoothing, and simple...
Evidence for the role of infectious disease in species extinction and endangerment
Katherine F. Smith, Dov F. Sax, Kevin D. Lafferty
2006, Conservation Biology (20) 1349-1357
Infectious disease is listed among the top five causes of global species extinctions. However, the majority of available data supporting this contention is largely anecdotal. We used the IUCN Red List of Threatened and Endangered Species and literature indexed in the ISI Web of Science to assess the role of...
Topomapping of Mars with HRSC Images, ISIS, and a commercial stereo workstation
Randolph L. Kirk, Elpitha Howington-Kraus, Donna M. Galuszka, Bonnie L. Redding, Trent M. Hare
2006, Conference Paper, Symposium of ISPRS Commission IV
We demonstrate that the freely available USGS planetary cartography software package ISIS and the commercial photogrammetric software SOCET SET jointly provide a complete environment for the processing of Mars Express High Resolution Stereo Camera (HRSC) images. Capabilities include bundle adjustment, automated production and interactive editing of stereo digital terrain models...
Bathymetric contour maps for lakes surveyed in Iowa in 2003
S. Mike Linhart, Kris D. Lund
2006, Scientific Investigations Map 2933
The U.S. Geological Survey, in cooperation with the Iowa Department of Natural Resources (IDNR), conducted bathymetric surveys on four lakes in Iowa during 2003 (Don Williams Lake, Easter Lake, Lake Macbride, and Lake Meyer). The purpose of the surveys is to provide the IDNR with information for the development of...
Comparison of ground-water quality in samples from selected shallow and deep wells in the central Oklahoma aquifer, 2003-2005
Carol Becker
2006, Scientific Investigations Report 2006-5084
The aquifer units of the Central Oklahoma aquifer underlie about 2,890 square miles of central Oklahoma and are used extensively to supply water for municipal, domestic, industrial, and agricultural needs. The Central Oklahoma aquifer also is commonly referred to as the Garber-Wellington aquifer because the Garber Sandstone and Wellington Formation...
Surface water quality-assurance plan, U.S. Geological Survey, Kentucky Water Science Center, water year 2006
Michael S. Griffin
2006, Open-File Report 2006-1273
This Surface Water Quality-Assurance Plan documents the standards, policies, and procedures used by the Kentucky Water Science Center for activities related to the collection, processing, storage, analysis, and publication of surface-water data....
Quality-assurance plan for the analysis of suspended sediment by the U.S. Geological Survey in Montana
Kent A. Dodge, John H. Lambing
2006, Open-File Report 2006-1242
A quality-assurance plan has been developed for use by the sediment laboratory of the U.S. Geological Survey Montana Water Science Center in conducting activities related to the analysis of suspended sediment. The plan documents quality-assurance policies for sediment-laboratory certification, personnel responsibilities and training, documentation requirements, and laboratory safety. The plan...
Water Resources Data, Alabama, Water Year 2005
W. L. Psinakis, D.S. Lambeth, V.E. Stricklin, M.W. Treece
2006, Water Data Report AL-05-1
Water resources data for the 2005 water year for Alabama consist of records of stage, discharge, and water quality of streams; stages and contents of lakes and reservoirs; and water levels in wells. This report includes records on both surface and ground water in the State. Specifically, it contains: (1)...
Cluster analysis of water-quality data for Lake Sakakawea, Audubon Lake, and McClusky Canal, central North Dakota, 1990-2003
Karen R. Ryberg
2006, Scientific Investigations Report 2006-5202
As a result of the Dakota Water Resources Act of 2000, the Bureau of Reclamation, U.S. Department of the Interior, identified eight water-supply alternatives (including a no-action alternative) to meet future water needs in portions of the Red River of the North (Red River) Basin. Of those alternatives, four include...
Annual ground-water discharge by evapotranspiration from areas of spring-fed riparian vegetation along the eastern margin of Death Valley, 2000-02
Randell J. Laczniak, J. LaRue Smith, Guy A. DeMeo
2006, Scientific Investigations Report 2006-5145
Flow from major springs and seeps along the eastern margin of Death Valley serves as the primary local water supply and sustains much of the unique habitat in Death Valley National Park. Together, these major spring complexes constitute the terminus of the Death Valley Regional Ground-Water Flow System--one of the...
An assessment of flow data from Klamath River sites between Link River Dam and Keno Dam, south-central Oregon
John C. Risley, Glen W. Hess, Bruce J. Fisher
2006, Scientific Investigations Report 2006-5212
Records of diversion and return flows for water years 1961?2004 along a reach of the Klamath River between Link River and Keno Dams in south-central Oregon were evaluated to determine the cause of a water-balance inconsistency in the hydrologic data. The data indicated that the reach was losing flow in...
Effects of Streambank Fencing of Near-Stream Pasture Land on a Small Watershed in Lancaster County, Pennsylvania
Daniel G. Galeone, Dennis J. Low, Robin A. Brightbill
2006, Fact Sheet 2006-3112
This study indicated that a small buffer width along a stream in pasture land can have a positive influence on surface-water quality, benthic macroinvertebrates, and near-stream shallow ground-water quality. Overland runoff processes that move suspended sediment to the stream were controlled (or reduced) to some extent by the vegetative buffer...
Flood-tracking chart for the Chattahoochee River Basin in Metropolitan Atlanta, Georgia
Jacob H. LaFontaine, Brian E. McCallum, Timothy C. Stamey, Caryl J. Wipperfurth
2006, General Information Product 34
The U.S. Geological Survey (USGS)—in cooperation with other Federal, State, and local agencies—operates a flood monitoring system in the Chattahoochee River Basin. This system is a network of 35 automated river stage stations that transmit stage data through satellite telemetry to the USGS Georgia Water Science Center in Atlanta. During...
A graphical modeling tool for evaluating nitrogen loading to and nitrate transport in ground water in the mid-Snake region, south-central Idaho
David W. Clark, Kenneth D. Skinner, David W. Pollock
2006, Scientific Investigations Report 2006-5137
A flow and transport model was created with a graphical user interface to simplify the evaluation of nitrogen loading and nitrate transport in the mid-Snake region in south-central Idaho. This model and interface package, the Snake River Nitrate Scenario Simulator, uses the U.S. Geological Survey's MODFLOW 2000 and MOC3D models....
