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Scientific Investigations Report 2012–5021


National Water-Quality Assessment Program


Environmental Settings of the South Fork Iowa River Basin, Iowa, and the Bogue Phalia Basin, Mississippi, 2006–10


By Kathleen A. McCarthy, Claire E. Rose, and Stephen J. Kalkhoff


Thumbnail of and link to report PDF (3.2 MB) Abstract

Studies of the transport and fate of agricultural chemicals in different environmental settings were conducted by the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Program’s Agricultural Chemicals Team (ACT) at seven sites across the Nation, including the South Fork Iowa River basin in central Iowa and the Bogue Phalia basin in northwestern Mississippi. The South Fork Iowa River basin is representative of midwestern agriculture, where corn and soybeans are the predominant crops and a large percentage of the cultivated land is underlain by artificial drainage. The Bogue Phalia basin is representative of corn, soybean, cotton, and rice cropping in the humid, subtropical southeastern United States. Details of the environmental settings of these basins and the data-collection activities conducted by the USGS ACT over the 2006–10 study period are described in this report.

First posted February 16, 2012

For additional information contact:
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U.S. Geological Survey
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Portland, Oregon 97201
http://or.water.usgs.gov

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Suggested citation:

McCarthy, K.A., Rose, C.E., and Kalkhoff, S.J., 2012, Environmental settings of the South Fork Iowa River basin, Iowa, and the Bogue Phalia basin, Mississippi, 2006–10: U.S. Geological Survey Scientific Investigations Report 2012–5021, 22 p.



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