Distribution of Igneous Rocks in Medina and Uvalde Counties, Texas, as Inferred from Aeromagnetic Data
David V. Smith, Robert R. McDougal, Bruce D. Smith, Charles D. Blome
2008, Scientific Investigations Report 2007-5191
A high-resolution aeromagnetic survey was flown in 2001 over Medina and Uvalde Counties, Texas, as part of a multi-disciplinary investigation of the geohydrologic framework of the Edwards aquifer in south-central Texas. The objective of the survey was to assist in mapping structural features that influence aquifer recharge and ground-water flow....
Methods for Processing and Summarizing Time-Series Temperature Data Collected as Part of the National Water-Quality Assessment Program Studies on the Effects of Urbanization on Stream Ecosystems
Thomas F. Cuffney, Robin A. Brightbill
2008, Data Series 330
Temperature data and summary statistics are presented for 256 sites in 9 metropolitan areas as part of the U.S. Geological Survey National Water-Quality Assessment Program studies of the effects of urbanization on stream ecosystems. The computer program (GRAN) that was developed to derive uniform data granularity and calculate temperature statistics...
Physicochemical and analytical data for tributary water, lake water, and lake sediment, Lake Arrowhead, Clay and Archer Counties, Texas, 2006
Jennifer T. Wilson, MaryLynn Musgrove, Monti M. Haynie, Peter C. Van Metre
2008, Data Series 334
Lake Arrowhead is a reservoir about 24 kilometers southeast of Wichita Falls, Texas, that provides drinking water for the city of Wichita Falls and surrounding areas. The U.S. Geological Survey, in cooperation with the City of Wichita Falls, did a study in 2006 to assess conditions contributing to elevated arsenic...
Occurrence of chlorothalonil, its transformation products, and selected other pesticides in Texas and Oklahoma streams, 2003-2004
William A. Battaglin, Kathryn Kuivila, Kim Winton, Michael Meyer
2008, Scientific Investigations Report 2008-5016
The primary purpose of the study described in this report was to determine if the fungicide chlorothalonil (2,4,5,6-tetrachloroisophthalonitrile), three of its transformation products, or selected other pesticides are transported to surface water after use on peanuts or other crops in Texas and Oklahoma. The results summarized here are part of...
Water-Quality and Fish-Community Data for the Niobrara National Scenic River, Nebraska, 2003-05
Benjamin Dietsch
2008, Fact Sheet 2007-3098
In 1991, a 76-mile reach of the Niobrara River in north-central Nebraska was designated as a National Scenic River (NSR). This reach of the river hosts a unique ecosystem that provides habitat for a diverse fish and wildlife population that include several threatened and endangered species. The Niobrara NSR also...
Comparison of storage capacity and sedimentation trends of Lago Guayabal, Puerto Rico-December 2001 and October 2006
Luis R. Soler-Lopez
2008, Scientific Investigations Map 3016
Lago Guayabal dam is located on the Río Jacaguas in the municipality of Villalba in southern Puerto Rico, about 4 kilometers north of the town of Juana Díaz and about 5 kilometers south of Villalba (fig. 1). The dam is owned and operated by the Puerto Rico Electric Power...
Dissolved-solids transport in surface water of the Muddy Creek Basin, Utah
Steven J. Gerner
2008, Scientific Investigations Report 2008-5001
Muddy Creek is located in the southeastern part of central Utah and is a tributary of the Dirty Devil River, which, in turn, is a tributary of the Colorado River. Dissolved solids transported from the Muddy Creek Basin may be stored in the lower Dirty Devil River Basin, but are...
Water Availability--The Connection Between Water Use and Quality
Robert M. Hirsch, Pixie A. Hamilton, Timothy L. Miller, Donna N. Myers
2008, Fact Sheet 2008-3015
Water availability has become a high priority in the United States, in large part because competition for water is becoming more intense across the Nation. Population growth in many areas competes with demands for water to support irrigation and power production. Cities, farms, and power plants compete for water needed...
Pesticides in air and rainwater in the midcontinental United States, 1995: Methods and data
Michael S. Majewski, William T. Foreman, Richard H. Coupe, Donald A. Goolsby, Frank W. Wiebe
2008, Open-File Report 2007-1369
Weekly composite high-volume air and wet-only deposition samples were collected from April through September 1995 at paired urban and agricultural areas in Mississippi, Iowa, and Minnesota, and at a background site in Michigan's Upper Peninsula. This report describes the methods used to collect, analyze, and quality assure the samples, and...
Distribution of geogenic arsenic in hydrologic systems: Controls and challenges
Abhijit Mukherjee, Prosun Bhattacharya, Kaye S. Savage, Andrea L. Foster, Jochen Bundschuh
2008, Journal of Contaminant Hydrology (99) 1-7
The presence of elevated concentration of arsenic (As) in natural hydrologic systems is regarded as the most formidable environmental crisis in the contemporary world. With its substantial presence in the drinking water of more than thirty countries worldwide, and with an affected population of more than 100 million, it has...
Temporal Differences in the Hydrologic Regime of the Lower Platte River, Nebraska, 1895-2006
Daniel Ginting, Ronald B. Zelt, Joshua I. Linard
2008, Scientific Investigations Report 2007-5267
In cooperation with the Lower Platte South Natural Resources District for a collaborative study of the cumulative effects of water and channel management practices on stream and riparian ecology, the U.S. Geological Survey (USGS) compiled, analyzed, and summarized hydrologic information from long-term gaging stations on the lower Platte River to...
Flood-plain study of the Upper Iowa River in the vicinity of Decorah, Iowa
Daniel E. Christiansen, David A. Eash
2008, Scientific Investigations Map 3005
The city of Decorah, Iowa, has experienced severe flooding from the Upper Iowa River resulting in property damage to homes and businesses. Streamflow data from two U.S. Geological Survey (USGS) streamflow-gaging stations, the Upper Iowa River at Decorah, Iowa (station number 05387500), located upstream from the College Drive bridge; and...
Pacific Ocean and Cenozoic evolution of climate
Mitchell Lyle, John A. Barron, Timothy J. Bralower, Matthew Huber, Annette Olivarez Lyle, A. C. Ravelo, David K. Rea, Paul A. Wilson
2008, Reviews of Geophysics (46)
The Pacific Ocean has played a major role in climate evolution throughout the Cenozoic (65–0 Ma). It is a fundamental component of global heat transport and circulation, the dominant locus of primary productivity, and, consequently, the largest reservoir for carbon exchange between the oceans and the atmosphere. A satisfactory understanding...
Sidescan-sonar imagery and surficial geologic interpretations of the sea floor in central Rhode Island Sound
K.Y. McMullen, L.J. Poppe, J. F. Denny, T.A. Haupt, J.M. Crocker
2008, Open-File Report 2007-1366
The U.S. Geological Survey (USGS) has been working with the National Oceanic and Atmospheric Administration (NOAA) to interpret the surficial geology of areas along the northeastern coast of the United States. During 2004, the NOAA Ship RUDE conducted Hydrographic Survey H11321 in Rhode Island Sound. This sidescan-sonar and bathymetry survey...
Monitoring indicators of harmful cyanobacteria in Texas
Richard L. Kiesling, Robin H. Gary, Marcus O. Gary
2008, Fact Sheet 2008-3009
Harmful algal blooms can occur when certain types of microscopic algae grow quickly in water, forming visible patches that might harm the health of the environment, plants, or animals. In freshwater, species of Cyanobacteria (also known as bluegreen algae) are the dominant group of harmful, bloom-forming algae. When Cyanobacteria form...
Ground-water quality data in the Central Eastside San Joaquin Basin 2006: Results from the California GAMA program
Matthew K. Landon, Kenneth Belitz
2008, Data Series 325
Ground-water quality in the approximately 1,695-square-mile Central Eastside study unit (CESJO) was investigated from March through June 2006 as part of the Statewide Basin Assessment Project of the Groundwater Ambient Monitoring and Assessment (GAMA) Program. The GAMA Statewide Basin Assessment project was developed in response to the Groundwater Quality Monitoring...
Proceedings of a USGS Workshop on Facing Tomorrow's Challenges Along the U.S.-Mexico Border - Monitoring, Modeling, and Forecasting Change Within the Arizona-Sonora Transboundary Watersheds
Laura M. Norman, Derrick D. Hirsch, A. Wesley Ward
2008, Circular 1322
INTRODUCTION TO THE WORKSHOP PROCEEDINGS Competition for water resources, habitats, and urban areas in the Borderlands has become an international concern. In the United States, Department of Interior Bureaus, Native American Tribes, and other State and Federal partners rely on the U.S. Geological Survey (USGS) to provide unbiased science and leadership...
Sedimentation and occurrence and trends of selected nutrients, other chemical constituents, and diatoms in bottom sediment, Fall River Lake, southeast Kansas, 1948-2006
Kyle E. Juracek
2008, Scientific Investigations Report 2008-5019
A combination of available bathymetric-survey information and bottom-sediment coring was used to investigate sedimentation and the occurrence of selected nutrients (total nitrogen and total phosphorus), organic and total carbon, 25 trace elements, diatoms, and the radionuclide cesium-137 in the bottom sediment of Fall River Lake, southeast Kansas. The total estimated...
Initiation conditions for debris flows generated by runoff at Chalk Cliffs, central Colorado
Jeffrey A. Coe, David Kinner, Jonathan W. Godt
2008, Geomorphology (96) 270-297
We have monitored initiation conditions for six debris flows between May 2004 and July 2006 in a 0.3 km2 drainage basin at Chalk Cliffs; a band of hydrothermally-altered quartz monzonite in central Colorado. Debris flows were initiated by water runoff from colluvium and bedrock that entrained sediment from rills and channels with...
Geochemical data for samples collected in 2007 near the concealed pebble porphyry Cu-Au-Mo deposit, southwest Alaska
David L. Fey, Matthew Granitto, Stuart A. Giles, Steven M. Smith, Robert G. Eppinger, Karen D. Kelley
2008, Open-File Report 2008-1132
In the summer of 2007, the U.S. Geological Survey (USGS) began an exploration geochemical research study over the Pebble porphyry copper-gold-molydenum (Cu-Au-Mo) deposit in southwest Alaska. The Pebble deposit is extremely large and is almost entirely concealed by tundra, glacial deposits, and post-Cretaceous volcanic and volcaniclastic rocks. The deposit is...
Preliminary Toxicological Analysis of the Effect of Coal Slurry Impoundment Water on Human Liver Cells
Joseph E. Bunnell
2008, Open-File Report 2008-1143
Coal is usually 'washed' with water and a variety of chemicals to reduce its content of sulfur and mineral matter. The 'washings' or 'coal slurry' derived from this process is a viscous black liquid containing fine particles of coal, mineral matter, and other dissolved and particulate substances. Coal slurry may...
Effects of Land-Use Changes and Ground-Water Withdrawals on Stream Base Flow, Pocono Creek Watershed, Monroe County, Pennsylvania
Ronald A. Sloto
2008, Scientific Investigations Report 2008-5030
The Pocono Creek watershed drains 46.5 square miles in eastern Monroe County, Pa. Between 2000 and 2020, the population of Monroe County is expected to increase by 70 percent, which will result in substantial changes in land-use patterns. An evaluation of the effect of reduced recharge from land-use changes and...
Impacts of climate change and variability on transportation systems and infrastructure: Gulf Coast study, phase I
Michael J. Savonis, Virginia Burkett, Joanne R. Potter
2008, Book
Climate affects the design, construction, safety, operations, and maintenance of transportation infrastructure and systems. The prospect of a changing climate raises critical questions regarding how alterations in temperature, precipitation, storm events, and other aspects of the climate could affect the nation's roads, airports, rail, transit systems, pipelines, ports, and waterways....
Methods and sources of data used to develop selected water-quality indicators for streams and ground water for EPA's 2007 Report on the Environment: Science report
Nancy T. Baker, John T. Wilson, Michael J. Moran
2008, Open-File Report 2008-1096
The U.S. Geological Survey (USGS) was one of numerous governmental agencies, private organizations, and the academic community that provided data and interpretations for the U.S. Environmental Protection Agency’s (USEPA) 2007 Report on the Environment: Science Report. This report documents the sources of data and methods used to develop selected water–quality indicators...
Modeling to Predict Escherichia coli at Presque Isle Beach 2, City of Erie, Erie County, Pennsylvania
Tammy M. Zimmerman
2008, Scientific Investigations Report 2008-5039
The Lake Erie beaches in Pennsylvania are a valuable recreational resource for Erie County. Concentrations of Escherichia coli (E. coli) at monitored beaches in Presque Isle State Park in Erie, Pa., occasionally exceed the single-sample bathing-water standard of 235 colonies per 100 milliliters resulting in potentially unsafe swimming conditions and...
