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The Effects of Tropical Storm Agnes on the Copper and Zinc Budgets of the Rappahannock River
Huggett, Robert J. Bender, Michael E.
Huggett, Robert J.
Bender, Michael E.
Abstract
The metals copper and zinc were analyzed in bottom sediments (top 1 cm) from the Rappahannock River before and after Tropical Storm Agnes. By extracting the sediments with various techniques (HN03, HCl) the nature of the metal speciation can be estimated. Data show that the inorganic copper was increased by a factor of 2 to 3 in the normally saline portion of the river as a result of Agnes but returned to before-Agnes levels within one year. Metal analyses of suspended sediments collected during the Agnes flooding allows an estimate of sedimentation indicating at least 7.5 mm of new sediments at mile 40, decreasing nearly linearly to 1 mm at mile 15.
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1976
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Chesapeake Research Consortium
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Hugget_Bender.pdf
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Virginia Institute of Marine Science