Author： Moody J.A.
Publisher： Springer Publishing Company
ISSN： 0049-6979
Source： Water, Air, and Soil Pollution, Vol.117, Iss.1-4, 2000-01, pp. : 329-351
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Abstract
Concentrations of pollutants stored in the surficial bed sediments in the navigation pools of the Upper Mississippi River showed a general decrease after the record flood of 1993. Percent clay and total organic carbon in the surficial sediments decreased as a result of an increase in the proportion of coarser sediment. Decreases in pollutant concentration may have been a result of the dilution by coarser and relatively less polluted sediment that was mobilized and transported into the Upper Mississippi River from its tributaries or from mainstem locations upstream but outside of the sampling area.
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