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首页> 美国政府科技报告 >Developing an Integrated Model for Evaluating the Economic and Ecologic Effects of Reducing Non-Point Source Pollution in a Palouse Watershed
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Developing an Integrated Model for Evaluating the Economic and Ecologic Effects of Reducing Non-Point Source Pollution in a Palouse Watershed

机译：开发综合模型评估降低帕卢斯流域非点源污染的经济和生态效应

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A linear programming model and the AGNPS model were used to determine those resource management systems that maximized total net farm income and reduced total erosion and nonpoint source pollution in Idaho's Tom Beall Watershed. Erosion decreased and water quality improved significantly with the optimal resource management systems. The optimal resource management systems for reducing erosion to 5 tons per acre per year (1T) and 10 tons per acre per year (2T) resulted in substantially lower sediment, nitrogen, phosphorus and chemical oxygen demand at the watershed outlet. Averaged over the four storm events (10, 25, 50 and 100 years), sediment, nitrogen, phosphorus and chemical oxygen demand declined by 45, 38, 38 and 24%, respectively.

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