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Publications

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.

For a more in-depth search, the USGS Pubs Warehouse provides access to over 130,000 publications.

Filter Total Items: 756

Hydrogeology and simulation of groundwater flow at the Green Valley reclaimed coal refuse site near Terre Haute, Indiana Hydrogeology and simulation of groundwater flow at the Green Valley reclaimed coal refuse site near Terre Haute, Indiana

The Green Valley reclaimed coal refuse site, near Terre Haute, Ind., was mined for coal from 1948 to 1963. Subsurface coal was cleaned and sorted at land surface, and waste material was deposited over the native glacial till. Approximately 2.7 million cubic yards of waste was deposited over 159 acres (92.3 hectares) in tailings ponds and gob piles. During 1993, the Indiana Department of...
Authors
E. Randall Bayless, Leslie D. Arihood, Kathleen K. Fowler

Accuracy of flowmeters measuring horizontal groundwater flow in an unconsolidated aquifer simulator. Accuracy of flowmeters measuring horizontal groundwater flow in an unconsolidated aquifer simulator.

Borehole flowmeters that measure horizontal flow velocity and direction of groundwater flow are being increasingly applied to a wide variety of environmental problems. This study was carried out to evaluate the measurement accuracy of several types of flowmeters in an unconsolidated aquifer simulator. Flowmeter response to hydraulic gradient, aquifer properties, and well-screen...
Authors
E.R. Bayless, Wayne A. Mandell, James R. Ursic

Environmental factors that influence the location of crop agriculture in the conterminous United States Environmental factors that influence the location of crop agriculture in the conterminous United States

This report presents and describes high-resolution geospatial data identifying the range of environmental conditions that influence the location of cropped agricultural lands in the conterminous United States. Also presented are estimates of the extent of land where environmental constraints limit agricultural production (marginal land) and the extents of land where modifications...
Authors
Nancy T. Baker, Paul D. Capel

Relation of hydrologic processes to groundwater and surface-water levels and flow directions in a dune-beach complex at Indiana Dunes National Lakeshore and Beverly Shores, Indiana Relation of hydrologic processes to groundwater and surface-water levels and flow directions in a dune-beach complex at Indiana Dunes National Lakeshore and Beverly Shores, Indiana

The potential for high groundwater levels to cause wet basements (groundwater flooding) is of concern to residents of communities in northwestern Indiana. Changes in recharge from precipitation increases during 2006-9, water-level changes from restoration of nearby wetlands in the Great Marsh in 1998-2002, and changes in recharge due to the end of groundwater withdrawals for water supply...
Authors
Paul M. Buszka, David A. Cohen, David C. Lampe, Noel B. Pavlovic

Watershed regressions for pesticides (WARP) for predicting atrazine concentration in Corn Belt streams Watershed regressions for pesticides (WARP) for predicting atrazine concentration in Corn Belt streams

Watershed Regressions for Pesticides (WARP) models, previously developed for atrazine at the national scale, can be improved for application to the U.S. Corn Belt region by developing region-specific models that include important watershed characteristics that are influential in predicting atrazine concentration statistics within the Corn Belt. WARP models for the Corn Belt (WARP-CB)...
Authors
Wesley W. Stone, Robert J. Gilliom

Design and evaluation of a field study on the contamination of selected volatile organic compounds and wastewater-indicator compounds in blanks and groundwater samples Design and evaluation of a field study on the contamination of selected volatile organic compounds and wastewater-indicator compounds in blanks and groundwater samples

The Field Contamination Study (FCS) was designed to determine the field processes that tend to result in clean field blanks and to identify potential sources of contamination to blanks collected in the field from selected volatile organic compounds (VOCs) and wastewater-indicator compounds (WICs). The VOCs and WICs analyzed in the FCS were detected in blanks collected by the U.S...
Authors
Susan A. Thiros, David A. Bender, David K. Mueller, Donna L. Rose, Lisa D. Olsen, Jeffrey D. Martin, Bruce Bernard, John S. Zogorski

Assessment of nutrient enrichment by use of algal-, invertebrate-, and fish-community attributes in wadeable streams in ecoregions surrounding the Great Lakes Assessment of nutrient enrichment by use of algal-, invertebrate-, and fish-community attributes in wadeable streams in ecoregions surrounding the Great Lakes

The algal, invertebrate, and fish taxa and community attributes that best reflect the effects of nutrients along a gradient of low to high nutrient concentrations in wadeable, primarily midwestern streams were determined as part of the U.S. Geological Suvey's National Water-Quality Assessment (NAWQA) Program. Nutrient data collected from 64 sampling sites that reflected reference...
Authors
Jeffrey W. Frey, Amanda H. Bell, Julie A. Hambrook Berkman, David L. Lorenz

Stream profile analyses using a step-backwater model for selected reaches in the Chippewa Creek Basin in Medina, Wayne, and Summit Counties, Ohio Stream profile analyses using a step-backwater model for selected reaches in the Chippewa Creek Basin in Medina, Wayne, and Summit Counties, Ohio

The USGS, in cooperation with the Chippewa Subdistrict of the Muskingum Watershed Conservancy District, performed hydrologic and hydraulic analyses for selected reaches of three streams in Medina, Wayne, Stark, and Summit Counties in northeast Ohio: Chippewa Creek, Little Chippewa Creek, and River Styx. This study was done to facilitate assessment of various alternatives for mitigating...
Authors
David E. Straub, Andrew D. Ebner

Tillage practices in the conterminous United States, 1989-2004: Datasets aggregated by watershed Tillage practices in the conterminous United States, 1989-2004: Datasets aggregated by watershed

This report documents the methods used to aggregate county-level tillage practices to the 8-digit hydrologic unit (HU) watershed. The original county-level data were collected by the Conservation Technology Information Center (CTIC). The CTIC collects tillage data by conducting surveys about tillage systems for all counties in the United States. Tillage systems include three types of...
Authors
Nancy T. Baker

Evaluation of the horizontal-to-vertical spectral ratio (HVSR) seismic method to determine sediment thickness in the vicinity of the South Well Field, Franklin County, OH Evaluation of the horizontal-to-vertical spectral ratio (HVSR) seismic method to determine sediment thickness in the vicinity of the South Well Field, Franklin County, OH

The horizontal-to-vertical spectral ratio (HVSR) seismic method involves analyzing measurements of ambient seismic noise in three dimensions to determine the fundamental site resonance frequency. Resonance is excited by the interaction of surface waves (Rayleigh and Love) and body waves (vertically incident shear) with the high-contrast aconstic impedance boundary at the bedrock-sediment...
Authors
Ralph J. Haefner, Rodney A. Sheets, Robert E. Andrews

Precision of two methods for estimating age from burbot otoliths Precision of two methods for estimating age from burbot otoliths

Lower reproductive success and older age structure are associated with many burbot (Lota lota L.) populations that are declining or of conservation concern. Therefore, reliable methods for estimating the age of burbot are critical for effective assessment and management. In Lake Erie, burbot populations have declined in recent years due to the combined effects of an aging population (...
Authors
W.H. Edwards, M.A. Stapanian, A.T. Stoneman
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