Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Results

68927 results.

Alternate formats: RIS file of the first 3000 search results  |  Download all results as CSV | TSV | Excel  |  RSS feed based on this search  |  JSON version of this page of results

Page 824, results 20576 - 20600

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Comparison of Hydrologic and Water-Quality Characteristics of Two Native Tallgrass Prairie Streams with Agricultural Streams in Missouri and Kansas
David C. Heimann
2009, Scientific Investigations Report 2009-5213
This report presents the results of a study by the U.S. Geological Survey, in cooperation with the Missouri Department of Natural Resources, to analyze and compare hydrologic and water-quality characteristics of tallgrass prairie and agricultural basins located within the historical distribution of tallgrass prairie in Missouri and Kansas. Streamflow and...
Water Quality of Combined Sewer Overflows, Stormwater, and Streams, Omaha, Nebraska, 2006-07
Jason R. Vogel, Jill D. Frankforter, David L. Rus, Christopher M. Hobza, Matthew T. Moser
2009, Scientific Investigations Report 2009-5175
The U.S. Geological Survey, in cooperation with the City of Omaha, investigated the water quality of combined sewer overflows, stormwater, and streams in the Omaha, Nebraska, area by collecting and analyzing 1,175 water samples from August 2006 through October 2007. The study area included the drainage area of Papillion Creek...
Relations between environmental and water-quality variables and Escherichia coli in the Cuyahoga River with emphasis on turbidity as a predictor of recreational water quality, Cuyahoga Valley National Park, Ohio, 2008
Amie M. G. Brady, Meg B. Plona
2009, Open-File Report 2009-1192
During the recreational season of 2008 (May through August), a regression model relating turbidity to concentrations of Escherichia coli (E. coli) was used to predict recreational water quality in the Cuyahoga River at the historical community of Jaite, within the present city of Brecksville, Ohio, a site centrally located within Cuyahoga Valley National...
Estimates of Sediment Load Prior to Dam Removal in the Elwha River, Clallam County, Washington
Christopher A. Curran, Christopher P. Konrad, Johnna L. Higgins, Mark K. Bryant
2009, Scientific Investigations Report 2009-5221
Years after the removal of the two dams on the Elwha River, the geomorphology and habitat of the lower river will be substantially influenced by the sediment load of the free-flowing river. To estimate the suspended-sediment load prior to removal of the dams, the U.S. Geological Survey collected suspended-sediment samples...
Total selenium in irrigation drain inflows to the Salton Sea, California, April 2009
Thomas W. May, Michael J. Walther, Michael K. Saiki, William G. Brumbaugh
2009, Open-File Report 2009-1230
This report presents the results for the final sampling period (April 2009) of a 4-year monitoring program to characterize selenium concentrations in selected irrigation drains flowing into the Salton Sea, California. Total selenium and total suspended solids were determined in water samples. Total selenium, percent total organic carbon, and particle...
Did intense volcanism trigger the first Late Ordovician icehouse?
Werner Buggisch, Michael M. Joachimski, Oliver Lehnert, S. M. Bergstrom, John E. Repetski
2009, Geology (38) 327-330
Oxygen isotopes measured on Late Ordovician conodonts from Minnesota and Kentucky (United States) were studied to reconstruct the paleotemperature history during late Sandbian to Katian (Mohawkian–Cincinnatian) time. This time interval was characterized by intense volcanism, as shown by the prominent Deicke, Millbrig, and other K-bentonite beds. A prominent carbon isotope...
Sediment characterization and dynamics in Lake Pontchartrain, Louisiana
James G. Flocks, Jack L Kindinger, Marci E Marot, Charles W Holmes
2009, Journal of Coastal Research (2009) 113-126
Lake Pontchartrain in southeastern Louisiana is the largest of several shallow estuaries that together cover over 15,000 km2. Wetlands, forests, and large urban areas surround the lake. Primary transport mechanisms of sediments to Lake Pontchartrain include urban runoff, major diversions of the Mississippi River, discharge from streams along...
The November 15, 2006 Kuril Islands-generated tsunami in Crescent City, California
Lori Dengler, B. Uslu, A. Barberopoulou, S. C. Yim, A. Kelly
2009, Pure and Applied Geophysics (166) 37-53
On November 15, 2006, Crescent City in Del Norte County, California was hit by a tsunami generated by a M w 8.3 earthquake in the central Kuril Islands. Strong currents that persisted over an eight-hour period damaged floating docks and several boats and caused an estimated $9.2 million in losses....
Water-quality monitoring in response to young-of-the-year smallmouth bass (Micropterus dolomieu) mortality in the Susquehanna River and major tributaries, Pennsylvania: 2008
Jeffrey J. Chaplin, J. Kent Crawford, Robin A. Brightbill
2009, Open-File Report 2009-1216
Mortalities of young-of-the-year (YOY) smallmouth bass (Micropterus dolomieu) recently have occurred in the Susquehanna River due to Flavobacterium columnare, a bacterium that typically infects stressed fish. Stress factors include but are not limited to elevated water temperature and low dissolved oxygen during times critical for survival and development of smallmouth bass...
Predicting recreational water quality using turbidity in the Cuyahoga River, Cuyahoga Valley National Park, Ohio, 2004-7
Amie M. G. Brady, Rebecca N. Bushon, Meg B. Plona
2009, Scientific Investigations Report 2009-5192
The Cuyahoga River within Cuyahoga Valley National Park (CVNP) in Ohio is often impaired for recreational use because of elevated concentrations of bacteria, which are indicators of fecal contamination. During the recreational seasons (May through August) of 2004 through 2007, samples were collected at two river sites, one upstream of...
Particle Size Characterization of Water-Elutriated Libby Amphibole 2000 and RTI International Amosite
Heather Lowers, Amy M. Bern
2009, Open-File Report 2009-1242
This report presents data on particle characterization analyzed by scanning electron microscopy on Libby amphibole collected by the U.S. Geological Survey in 2000 (LA2000) and amosite material collected by RTI International (RTI amosite). The particle characterization data were generated to support a portion of the Libby Action Plan. Prior to...
Preliminary Assessment of the Potential for Inducing Stormwater Infiltration in Cook County, Illinois
William S. Morrow, Jennifer B. Sharpe
2009, Open-File Report 2009-1212
The Metropolitan Water Reclamation District of Greater Chicago is responsible for all of the regional stormwater management for Cook County in northeastern Illinois, one of the largest urban areas in the United States. Continuing urban expansion in this area has increased stormwater runoff and combined sewer overflows and likely decreased...
Comparison of the Immunomagnetic Separation/Adenosine Triphosphate Rapid Method and the Modified mTEC Membrane-Filtration Method for Enumeration of Escherichia coli
Amie M. G. Brady, Rebecca N. Bushon, Erin E. Bertke
2009, Scientific Investigations Report 2009-5222
Water quality at beaches is monitored for fecal indicator bacteria by traditional, culture-based methods that can take 18 to 24 hours to obtain results. A rapid detection method that provides estimated concentrations of fecal indicator bacteria within 1 hour from the start of sample processing would allow beach managers to...
Regional regression equations for estimation of natural streamflow statistics in Colorado
Joseph P. Capesius, Verlin C. Stephens
2009, Scientific Investigations Report 2009-5136
The U.S. Geological Survey (USGS), in cooperation with the Colorado Water Conservation Board and the Colorado Department of Transportation, developed regional regression equations for estimation of various streamflow statistics that are representative of natural streamflow conditions at ungaged sites in Colorado. The equations define the statistical relations between streamflow statistics...
Terrestrial lidar datasets of New Orleans, Louisiana, levee failures from Hurricane Katrina, August 29, 2005
Brian D. Collins, Robert Kayen, Diane L. Minasian, Thomas Reiss
2009, Data Series 470
Hurricane Katrina made landfall with the northern Gulf Coast on August 29, 2005, as one of the strongest hurricanes on record. The storm damage incurred in Louisiana included a number of levee failures that led to the inundation of approximately 85 percent of the metropolitan New Orleans area. Whereas extreme...
Ground-Water Quality Data in the Coachella Valley Study Unit, 2007: Results from the California GAMA Program
Dara A. Goldrath, Michael T. Wright, Kenneth Belitz
2009, Data Series 373
Ground-water quality in the approximately 820 square-mile Coachella Valley Study Unit (COA) was investigated during February and March 2007 as part of the Priority Basin Project of the Groundwater Ambient Monitoring and Assessment (GAMA) Program. The GAMA Priority Basin Project was developed in response to the Groundwater Quality Monitoring Act...
Summary of surface-water quality data from the Illinois River Basin in Northeast Oklahoma, 1970-2007
William J. Andrews, Mark F. Becker, S. Jerrod Smith, Robert L. Tortorelli
2009, Scientific Investigations Report 2009-5182
The quality of streams in the Illinois River Basin of northeastern Oklahoma is potentially threatened by increased quantities of wastes discharged from increasing human populations, grazing of about 160,000 cattle, and confined animal feeding operations raising about 20 million chickens. Increasing numbers of humans and livestock in the basin contribute...
Pesticides in ground water in selected agricultural land-use areas and hydrogeologic settings in Pennsylvania, 2003-07
Connie A. Loper, Kevin J. Breen, Tammy M. Zimmerman, John W. Clune
2009, Scientific Investigations Report 2009-5139
This report was prepared by the U.S. Geological Survey (USGS) in cooperation with the Pennsylvania Department of Agriculture (PDA) as part of the Pennsylvania Pesticides and Ground Water Strategy (PPGWS). Monitoring data and extensive quality-assurance data on the occurrence of pesticides in ground water during 2003–07 are presented and evaluated;...
Coastal change along the shore of northeastern South Carolina— The South Carolina Coastal Erosion Study
W. C. Schwab, P. T. Gayes, R.A. Morton, N. W. Driscoll, W. E. Baldwin, W. A. Barnhardt, J. F. Denny, M.S. Harris, M.P. Katuna, T.R. Putney, G. Voulgaris, J.C. Warner, E.E. Wright
Walter A. Barnhardt, editor(s)
2009, Circular 1339
The U.S. Geological Survey, in cooperation with the South Carolina Sea Grant Consortium, conducted a 7-year, multidisciplinary study of coastal erosion in northeastern South Carolina. Shoreline behavior along the coast of Long Bay is dictated by waves, tidal currents, and sediment supply that act within the overall constraints of the...
Water-quality, bed-sediment, and biological data (October 2007 through September 2008) and statistical summaries of long-term data for streams in the Clark Fork Basin, Montana
Kent A. Dodge, Michelle I. Hornberger, Jessica Dyke
2009, Open-File Report 2009-1178
Water, bed sediment, and biota were sampled in streams from Butte to near Missoula as part of a long-term monitoring program in the upper Clark Fork basin; additional water samples were collected in the Clark Fork basin from sites near Missoula downstream to near the confluence of the Clark Fork...
The Mississippi Embayment Regional Aquifer Study (MERAS): Documentation of a groundwater-flow model constructed to assess water availability in the Mississippi embayment
Brian R. Clark, Rheannon M. Hart
2009, Scientific Investigations Report 2009-5172
The Mississippi Embayment Regional Aquifer Study (MERAS) was conducted with support from the Groundwater Resources Program of the U.S. Geological Survey Office of Groundwater. This report documents the construction and calibration of a finite-difference groundwater model for use as a tool to quantify groundwater availability within the Mississippi embayment. To...
Numerical groundwater-flow model of the Minnelusa and Madison hydrogeologic units in the Rapid City area, South Dakota
Larry D. Putnam, Andrew J. Long
2009, Scientific Investigations Report 2009-5205
The city of Rapid City and other water users in the Rapid City area obtain water supplies from the Minnelusa and Madison aquifers, which are contained in the Minnelusa and Madison hydrogeologic units. A numerical groundwater-flow model of the Minnelusa and Madison hydrogeologic units in the Rapid City area was...
Depth to water, saturated thickness, and other geospatial datasets used in the design and installation of a groundwater monitoring-well network in the High Plains Aquifer, Colorado
Jennifer L. Flynn, L. Rick Arnold, Suzanne S. Paschke
2009, Data Series 472
These datasets were compiled in support of U.S. Geological Survey Data Series 456, Design and Installation of a Groundwater Monitoring-Well Network in the High Plains Aquifer, Colorado. These datasets were developed as part of a cooperative project between the U.S. Geological Survey and the Colorado Department of Agriculture. The purpose...
Design and Installation of a Groundwater Monitoring-Well Network in the High Plains Aquifer, Colorado
L. R. Arnold, J.L. Flynn, S.S. Paschke
2009, Data Series 456
The High Plains aquifer is an important water source for irrigated agriculture and domestic supplies in northeastern Colorado. To address the needs of Colorado's Groundwater Protection Program, the U.S. Geological Survey designed and installed a groundwater monitoring-well network in cooperation with the Colorado Department of Agriculture in 2008 to characterize...