The spatial and temporal variation of water use efficiency in the Huai River Basin using a comprehensive indicator
The spatial and temporal variation of water use efficiency in the Huai River Basin using a comprehensive indicator
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DOI：
10.2166/ws.2016.128
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发表时间：
2017-02
期刊：
影响因子：
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通讯作者：
Y. Meng;Xiang Zhang;D. She;Jun-chao Wang;Shaofei Wu
中科院分区：
文献类型：
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作者：
Y. Meng;Xiang Zhang;D. She;Jun-chao Wang;Shaofei Wu
制定水资源利用效率（WUE）综合指标，促进社会经济与环境系统协调发展。 WUE评价指标体系综合考虑水的社会效益、经济效益和环境效益，采用投影寻踪模型结合混沌粒子群优化计算WUE综合指标。选择淮河流域（HRB）作为案例研究区域。 WUE的时间变化表明，由于政府对环境保护的重视程度的加强，HRB的年度WUE在2007年至2013年期间明显增加。空间结果表明，2013年各省份的空间WUE均显着高于2007年。选取2013年WUE最低的安徽作为代表，揭示HRB的用水问题。主要原因是政府对高耗水行业的关注较多，而忽视了小规模用水户，以及HRB的废水处理仍然薄弱。该研究可为提高WUE、解决水资源短缺问题提供基础。
A comprehensive indicator of water use efficiency (WUE) to promote coordinated development between socio-economic and environmental systems was developed. A comprehensive consideration of the social, economic and environmental benefits of water was made in the evaluation index system of WUE and the projection pursuit model combined with chaotic particle swarm optimization was adopted to calculate the comprehensive indicator of WUE. The Huai River Basin (HRB) was selected as a case study area. The temporal change of WUE showed that the annual WUE of the HRB from 2007 to 2013 increased obviously because of the enhanced emphasis on environmental protection by the government. The spatial results showed that the spatial WUE of each province in 2013 was significantly higher than in 2007. In 2013, Anhui with the lowest WUE was selected as representative to reveal the problems of water use in the HRB. The main reasons were that the government paid more attention to the high water consumption industries and ignored the small-scale water users, and wastewater treatment was still weak in the HRB. The research can provide the foundation for improving WUE and solving the problem of water shortages.