Models for Analyzing Agricultural Nonpoint-Source Pollution

Haith, D.A. (1982). Models for Analyzing Agricultural Nonpoint-Source Pollution. IIASA Research Report. IIASA, Laxenburg, Austria: RR-82-017

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Abstract

Mathematical models are useful means of analyzing agricultural nonpoint-source pollution. This review summarizes and classifies many of the available chemical transport and planning and management models. Chemical transport models provide estimates of chemical losses from cropland to water bodies; they include continuous simulation, discrete simulation, and functional models. A limited number of transport models have been validated in field studies, but none has been tested extensively. Planning and management models, including regional impact, watershed planning and farm management models, are used to evaluate tradeoffs between environmental and agricultural production objectives. Although these models are in principle the most useful for policy making, their economic components are much better developed than components for predicting water pollution.

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