在综合分析南水北调东线工程对南四湖水环境影响基础上，将层次分析法改进，结合模糊评价方法，量化评价指标，突出体现了这种方法在将定性指标量化方面显示的优势。南水北调东线工程对南四湖的水环境影响评价最终结果是0.640，说明调水工程会对南四湖水生态环境产生一定正面影响。

Based on the analysis of the impact assessment of the Eastern Route of South-to-North Water Diversion Project on the water environment of Nansi Lake, the Analytic Hierarchy Process (AHP) was improved in combination with the fuzzy evaluation method to quantify the evaluation indicators which were mainly qualitative. The final evaluation result was 0.640, which indicated that the water diversion project has t certain positive impacts on the water environment of Nansi Lake.

国家自然科学基金51009150