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首页> 外文期刊>Journal of Environmental Management >Multi-criteria decision analysis for the optimal management of nitrate contamination of aquifers
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Multi-criteria decision analysis for the optimal management of nitrate contamination of aquifers

机译：多准则决策分析，用于含水层硝酸盐污染的最佳管理

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摘要

We present an integrated methodology for the optimal management of nitrate contamination of ground water combining environmental assessment and economic cost evaluation through multi-criteria decision analysis. The proposed methodology incorporates an integrated physical modeling framework accounting for on-ground nitrogen loading and losses, soil nitrogen dynamics, and fate and transport of nitrate in ground water to compute the sustainable on-ground nitrogen loading such that the maximum contaminant level is not violated. A number of protection alternatives to stipulate the predicted sustainable on-ground nitrogen loading are evaluated using the decision analysis that employs the importance order of criteria approach for ranking and selection of the protection alternatives. The methodology was successfully demonstrated for the Sumas-Blaine aquifer in Washington State. The results showed the importance of using this integrated approach which predicts the sustainable on-ground nitrogen loadings and provides an insight into the economic consequences generated in satisfying the environmental constraints. The results also show that the proposed decision analysis framework, within certain limitations, is effective when selecting alternatives with competing demands.
机译：我们提出了一种综合方法，可通过多标准决策分析结合环境评估和经济成本评估，对地下水硝酸盐污染进行最佳管理。拟议的方法结合了一个综合的物理模型框架，该框架考虑了地面上的氮负荷和损失，土壤氮动力学以及地下水中硝酸盐的命运和迁移，以计算可持续的地面上的氮负荷，从而不违反最大污染物水平。使用决策分析评估了用于规定预计的可持续地面氮负荷的多种保护替代方案，该决策分析采用标准方法的重要性顺序对保护替代方案进行排名和选择。该方法已在华盛顿州的Sumas-Blaine含水层中得到成功证明。结果表明使用这种综合方法的重要性，该方法可预测可持续的地面氮负荷，并深入了解在满足环境约束条件下产生的经济后果。结果还表明，在选择具有竞争需求的替代方案时，所提出的决策分析框架在一定的限制内是有效的。

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