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FEATURED JOURNAL ARTICLE: Urban Stream Contamination Increasing Rapidly Due to Road Salt
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In an journal article recently published in the journal Science of the Total Environment analyzing chloride concentrations, USGS scientists found average chloride concentrations often exceed toxic levels in many northern United States streams due to the use of salt to deice winter pavement, and the frequency of these occurrences nearly doubled in two decades.
Chloride levels increased substantially in 84 percent of urban streams analyzed, according to the study that began as early as 1960 at some sites and ended as late as 2011. Levels were highest during the winter, but increased during all seasons over time at the northern sites, including near Milwaukee, Wisconsin; Chicago, Illinois; Denver, Colorado; and other metropolitan areas.
To learn more about this study, check out the press release, journal article, and our road salt study webpage.
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Recent Publications
USGS REPORT SERIES |
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Geomorphic, flood, and groundwater-flow characteristics of Bayfield Peninsula streams, Wisconsin, and implications for brook-trout habitat
Faith A. Fitzpatrick, Marie C. Peppler, David A. Saad, Dennis M. Pratt, Bernard N. Lenz
Scientific Investigations Report 2014-5007
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Simulation of the regional groundwater-flow system of the Menominee Indian Reservation, Wisconsin
Paul F. Juckem, Charles P. Dunning
Scientific Investigations Report 2014-5237
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A model for evaluating stream temperature response to climate change in Wisconsin
Jana S. Stewart, Stephen M. Westenbroek, Matthew G. Mitro, John D. Lyons, Leah E. Kammel, Cheryl A. Buchwald
Scientific Investigations Report 2014-5186
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Benthos and plankton community data for selected rivers and harbors along Wisconsin's Lake Michigan shoreline, 2012
Barbara C. Scudder-Eikenberry, Amanda H. Bell, Daniel J. Burns, Hayley A. Templar
Data Series 824
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JOURNAL ARTICLES |
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Optimizing fish sampling for fish–mercury bioaccumulation factors
Barbara C. Scudder Eikenberry, Karen Riva-Murray, Christopher D. Knightes, Celeste A. Journey, Lia C. Chasar, Mark E. Brigham, and Paul M. Bradley
Chemosphere, available online Jan 2015
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Reducing Nitrogen Export from the Corn Belt to the Gulf of Mexico: Agricultural Strategies for Remediating Hypoxia
Eileen McLellan, Dale Robertson, Keith Schilling, Mark Tomer, Jill Kostel, Doug Smith, and Kevin King
Journal of the American Water Resources Association, vol. 51, issue 1 (February 2015)
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A cross-validation package driving Netica with python
Michael N. Fienen and Nathaniel G. Plant
Environmental Modelling and Software, vol. 63 (January 2015)
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Human and bovine viruses in the Milwaukee River Watershed: hydrologically relevant representation and relations with environmental variables
Steven R. Corsi, Mark A. Borchardt, Susan K. Spencer, Peter E. Hughes, and Austin K. Baldwin
Science of the Total Environment, vol. 490 (August 2014)
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 Find more USGS publications from Wisconsin
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