Publication Date

10-1998

Series Number

98-WP 201

Abstract

Data from seven Management Systems Evaluation Areas (MSEM) were used to test the sensitivity of a leaching model, PRZM-2, to a variety of hydrologic settings common in the Midwest. Atrazine leaching was simulated because the use of atrazine was prevalent in the MSEA studies and it frequently occurs in the region's groundwater. Results of long-term simulations using regional and generalized input parameters produced ranks of leaching potential similar to those based on measurements. Short-term simulations used site-specific soil and chemical coefficients.

Publication Information

This working paper was published as Burkart, Michael R., Phillip W. Gassman, Thomas B. Moorman and Piyash Singh, "Estimating Atrazine Leaching in the Midwest," Journal of the American Water Resources Association 35 (1999): 1089–1100, doi:10.1111/j.1752-1688.1999.tb04196.x.

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