岷沱江流域水环境治理绩效综合评价方法研究

为全面研究生态文明背景下岷沱江流域水环境治理成效，该研究从水生态保护与修复、水污染治理与控制、水资源开发利用和社会经济承载4个维度构建评价指标体系，先采用灰色关联分析法和均方差决策法建立组合权重，再通过加权综合指数法和理想解模型对2011~2017年岷沱江流域10个主要地级市的水环境治理绩效进行动态评价，最后利用ArcGIS10.5软件进行评价结果的时空分异性的可视化。研究表明：在水环境综合管理下，岷沱江流域水环境治理绩效水平呈上升的趋势。空间分布上，虽岷沱江流域上、中、下游的水环境治理绩效整体水平差异性逐渐缩小，但流域中各地级市在水污染治理与水资源开发利用上存在明显的差异性，今后岷沱江流域应重点控制水污染和优化水资源配置，统筹流域可持续发展的水环境管理。

Research on Comprehensive Evaluation Method of Water EnvironmentalGovernance Performance in Mintuo River Basin

To comprehensively research the effectiveness of water environmental governance in the Mintuo river basin under the background of ecological civilization, this article builds up an evaluation index system for water environmental governance performance across four dimensions:water ecological protection and restoration, water pollution control, water resources utilization and social economic carrying capacity. First, the combined weight model which is based on grey relation analysis method and mean-squared deviation weight decision method is established. Then the dynamic performance index of water environmental of ten main cities in Mintuo river basin was estimated from 2011 to 2017 by the weighted composite index method and TOPSIS model. Finally, using ArcGIS10.5 software to visualize the spatial differentiation of evaluation results. The results show that: the performance index of water environmental governance in Mintuo river basin was increased in general under the integrated management of the water environment. Although the comprehensive level of water environmental management performance in the Mintuo river basin has gradually narrowed, there were significant difference between water pollution control and water resource utilization. Therefore, the water environment management in Mintuo river basin should focus on the control of water pollution, optimize water resources allocation and integrated management in the future.