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Publications

Cyanotoxin mixture models

Relating environmental variables and toxin co-occurrence to human exposure risk

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Organic contaminants assessed in 305 streams

Multi-region assessment of chemical mixture exposures and predicted cumulative effects in USA wadeable urban/agriculture-gradient streams

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Using infrared imagery to map agricultural drainage

Overall results and key findings on the use of UAV visible-color, multispectral, and thermal infrared imagery to map agricultural drainage

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Utilizing locally available slag to treat waste or agricultural waters

Geochemical Characterization of Iron and Steel Slag and Its Potential to Remove Phosphate and Neutralize Acid

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Polycyclic Aromatic Hydrocarbons

PAH in Streambed Sediment in Great Lakes Tributaries

PAH - Great Lakes

The scientific reputation of the U.S. Geological Survey (USGS) for excellence, integrity and objectivity is one of the Bureau’s most important assets to ensuring long-term credibility and public trust. Below you can view OKI publications, and may search for them by TITLE or KEYWORD but not by AUTHOR.

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Filter Total Items: 773

Simulated fate and transport of metolachlor in the unsaturated zone, Maryland, USA Simulated fate and transport of metolachlor in the unsaturated zone, Maryland, USA

An unsaturated-zone transport model was used to examine the transport and fate of metolachlor applied to an agricultural site in Maryland, USA. The study site was instrumented to collect data on soil-water content, soil-water potential, ground water levels, major ions, pesticides, and nutrients from the unsaturated zone during 2002-2004. The data set was enhanced with site-specific...
Authors
E.R. Bayless, P. D. Capel, J.E. Barbash, R.M.T. Webb, T.L.C. Hancock, D.C. Lampe
By
Water Resources Mission Area, Ohio-Kentucky-Indiana Water Science Center, Washington Water Science Center

Pesticide fate and transport throughout unsaturated zones in five agricultural settings, USA Pesticide fate and transport throughout unsaturated zones in five agricultural settings, USA

Pesticide transport through the unsaturated zone is a function of chemical and soil characteristics, application, and water recharge rate. The fate and transport of 82 pesticides and degradates were investigated at five different agricultural sites. Atrazine and metolachlor, as well as several of the degradates of atrazine, metolachlor, acetochlor, and alachlor, were frequently detected...
Authors
T.C. Hancock, Mark W. Sandstrom, J. R. Vogel, R.M.T. Webb, E.R. Bayless, J.E. Barbash
By
Water Resources Mission Area, Ohio-Kentucky-Indiana Water Science Center, Washington Water Science Center, National Water Quality Laboratory

Relation Between Solid-Phase and Dissolved Arsenic in the Ground-Water System Underlying Northern Preble County, Ohio Relation Between Solid-Phase and Dissolved Arsenic in the Ground-Water System Underlying Northern Preble County, Ohio

The U.S. Geological Survey (USGS), in cooperation with the Miami Conservancy District, collected and analyzed samples of the aquifer materials and ground water from multiple depths at two sites in northern Preble County, Ohio. The aquifer materials included glacial deposits and Silurian carbonate bedrock. In the study area, elevated arsenic concentrations have been detected in ground...
Authors
Mary Ann Thomas, Sharon F. Diehl, Bruce A. Pletsch, Thomas L. Schumann, Richard R. Pavey, E. Mac Swinford
By
Water Resources Mission Area, Ohio-Kentucky-Indiana Water Science Center

Relations of principal components analysis site scores to algal-biomass, habitat, basin-characteristics, nutrient, and biological-community data in the Upper Wabash River Basin, Indiana, 2003 Relations of principal components analysis site scores to algal-biomass, habitat, basin-characteristics, nutrient, and biological-community data in the Upper Wabash River Basin, Indiana, 2003

Data were gathered from May through October 2003 at 38 randomly selected sites in the Upper Wabash River Basin, Indiana, for algal biomass, habitat, nutrients, and biological communities (fish and invertebrates). Basin characteristics (drainage area and land use) and biological-community attributes and metric scores were determined for each sampling site's basin. Yearly Principal...
Authors
Donald R. Leer, Brian J. Caskey, Jeffrey W. Frey, B. Scott Lowe
By
Water Resources Mission Area, Ohio-Kentucky-Indiana Water Science Center

Relations of Principal Components Analysis Site Scores to Algal-Biomass, Habitat, Basin-Characteristics, Nutrient, and Biological-Community Data in the West Fork White River Basin, Indiana, 2001 Relations of Principal Components Analysis Site Scores to Algal-Biomass, Habitat, Basin-Characteristics, Nutrient, and Biological-Community Data in the West Fork White River Basin, Indiana, 2001

Data were gathered from July through September 2001 at 34 randomly selected sites in the West Fork White River Basin, Indiana for algal biomass, habitat, nutrients, and biological communities (fish and invertebrates). Basin characteristics (drainage area and land use) and biological-community attributes and metric scores were determined for the basin of each sampling site. Yearly...
Authors
Jeffrey W. Frey, Brian J. Caskey, B. Scott Lowe
By
Water Resources Mission Area, Ohio-Kentucky-Indiana Water Science Center

Water and agricultural-chemical transport in a Midwestern, tile-drained watershed: Implications for conservation practices Water and agricultural-chemical transport in a Midwestern, tile-drained watershed: Implications for conservation practices

The study of agricultural chemicals is one of five national priority topics being addressed by the National Water-Quality Assessment (NAWQA) Program in its second decade of studies, which began in 2001. Seven watersheds across the Nation were selected for the NAWQA agricultural-chemical topical study. The watersheds selected represent a range of agricultural settings - with varying crop...
Authors
Nancy T. Baker, Wesley W. Stone, Jeffrey W. Frey, John T. Wilson
By
Water Resources Mission Area, Ohio-Kentucky-Indiana Water Science Center

Anthropogenic Organic Compounds in Ground Water and Finished Water of Community Water Systems near Dayton, Ohio, 2002-04 Anthropogenic Organic Compounds in Ground Water and Finished Water of Community Water Systems near Dayton, Ohio, 2002-04

Source water for 15 community-water-system (CWS) wells in the vicinity of Dayton, Ohio, was sampled to evaluate the occurrence of 258 anthropogenic compounds (AOCs). At least one AOC was detected in 12 of the 15 samples. Most samples contained a mixture of compounds (average of four compounds per sample). The compounds that were detected in more than 30 percent of the samples included...
Authors
Mary Ann Thomas
By
Water Resources Mission Area, Ohio-Kentucky-Indiana Water Science Center

Evaluation of ground-water and boron sources by use of boron stable-isotope ratios, tritium, and selected water-chemistry constituents near Beverly Shores, northwestern Indiana, 2004 Evaluation of ground-water and boron sources by use of boron stable-isotope ratios, tritium, and selected water-chemistry constituents near Beverly Shores, northwestern Indiana, 2004

Concentrations of boron greater than the U.S. Environmental Protection Agency (USEPA) 900 μg/L removal action level (RAL) standard were detected in water sampled by the USEPA in 2004 from three domestic wells near Beverly Shores, Indiana. The RAL regulates only human-affected concentrations of a constituent. A lack of well logs and screened depth information precluded identification of...
Authors
Paul M. Buszka, John A. Fitzpatrick, Lee R. Watson, Robert T. Kay
By
Water Resources Mission Area, Ohio-Kentucky-Indiana Water Science Center

Flood of June 22-24, 2006, in North-Central Ohio, With Emphasis on the Cuyahoga River Near Independence Flood of June 22-24, 2006, in North-Central Ohio, With Emphasis on the Cuyahoga River Near Independence

Heavy rains caused severe flooding on June 22-24, 2006, and damaged approximately 4,580 homes and 48 businesses in Cuyahoga County. Damage estimates in Cuyahoga County for the two days of flooding exceed $47 million; statewide damage estimates exceed $150 million. Six counties (Cuyahoga, Erie, Huron, Lucas, Sandusky, and Stark) in northeast Ohio were declared Federal disaster areas. One...
Authors
James M. Sherwood, Andrew D. Ebner, G. F. Koltun, Brian M. Astifan
By
Water Resources Mission Area, Ohio-Kentucky-Indiana Water Science Center

Escherichia coli and Suspended Sediment in Berger Ditch at Maumee Bay State Park, Oregon, Ohio, 2006 Escherichia coli and Suspended Sediment in Berger Ditch at Maumee Bay State Park, Oregon, Ohio, 2006

Berger Ditch discharges to the marina at Maumee Bay State Park (MBSP), just east of the MBSP bathing beach. Recent studies by U.S. Geological Survey (USGS) and University of Toledo researchers have identified the ditch as a source of Escherichia coli (E. coli), an indicator bacterium that is used to assess recreational water quality. An automatic sampler was installed at a USGS...
Authors
Amie M. G. Brady
By
Water Resources Mission Area, Ohio-Kentucky-Indiana Water Science Center

MODFLOW Ground-Water Model - User Guide to the Subsidence and Aquifer-System Compaction Package (SUB-WT) for Water-Table Aquifers MODFLOW Ground-Water Model - User Guide to the Subsidence and Aquifer-System Compaction Package (SUB-WT) for Water-Table Aquifers

A new computer program was developed to simulate vertical compaction in models of regional ground-water flow. The program simulates ground-water storage changes and compaction in discontinuous interbeds or in extensive confining units, accounting for stress-dependent changes in storage properties. The new program is a package for MODFLOW, the U.S. Geological Survey modular finite...
Authors
S. A. Leake, D. L. Galloway
By
Water Resources Mission Area, Arizona Water Science Center, Ohio-Kentucky-Indiana Water Science Center

Kentucky Public Water-Supply Withdrawals During 1995, 2000, and 2005 Kentucky Public Water-Supply Withdrawals During 1995, 2000, and 2005

The U.S. Geological Survey, in cooperation with the Kentucky Division of Water, has compiled the reported permitted public water-supply-withdrawal data for Kentucky for 2005. Water-withdrawal data for 1995 and 2000 were previously published in Solley and others (1998) and Hutson and others (2004), respectively. This report is a graphical representation of permitted withdrawals for 1995...
Authors
Aimee C. Downs, William E. Caldwell
By
Water Resources Mission Area, Ohio-Kentucky-Indiana Water Science Center
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