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Water 2017, 9(5), 329; doi:10.3390/w9050329

Fuzzy Comprehensive Assessment Method Based on the Entropy Weight Method and Its Application in the Water Environmental Safety Evaluation of the Heshangshan Drinking Water Source Area, Three Gorges Reservoir Area, China

1
Key Laboratory of Regional Energy and Environmental Systems Optimization, Ministry of Education, North China Electric Power University, Beijing 102206, China
2
Institute for Energy, Environment and Sustainable Communities, University of Regina, Regina, SK S4S 7H9, Canada
3
Three Gorges Cascade Dispatch and Communication Center, Yichang 443133, China
*
Author to whom correspondence should be addressed.
Academic Editors: Gordon Huang and Yurui Fan
Received: 14 March 2017 / Revised: 4 May 2017 / Accepted: 4 May 2017 / Published: 6 May 2017
(This article belongs to the Special Issue Modeling of Water Systems)
View Full-Text   |   Download PDF [930 KB, uploaded 6 May 2017]   |  

Abstract

The safety of drinking water from source areas is an important issue, and the fuzzy comprehensive assessment method is a useful evaluation approach. However, it has limitations due to its complicated calculation, as well as the effects of subjective factors on the results. The objective of the research is to develop an effective method with more objective results for tackling water environmental evaluation problems in drinking water source areas. In this study, a new method— i.e., the fuzzy comprehensive assessment method based on the entropy weight method—was proposed; a water environmental safety evaluation index system was built, and then the water environmental safety of the Heshangshan drinking water source area was evaluated. The results indicated that the water environment of the study area was substantially safe. Furthermore, water-saving measurements should be taken, the industrial structure should be optimized, investment in environmental protection should be increased, and the utilization ratio of water resources should be improved. It can be concluded that the proposed approaches were feasible and reasonable. It is the first attempt to develop such an evaluation method and index system for water environmental safety evaluation, which can provide references and decision support for the related researchers and managers. View Full-Text
Keywords: fuzzy comprehensive assessment method based on entropy weight method (EW-FCA); water environmental safety; evaluation indexes system; drinking water source area fuzzy comprehensive assessment method based on entropy weight method (EW-FCA); water environmental safety; evaluation indexes system; drinking water source area
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Ding, X.; Chong, X.; Bao, Z.; Xue, Y.; Zhang, S. Fuzzy Comprehensive Assessment Method Based on the Entropy Weight Method and Its Application in the Water Environmental Safety Evaluation of the Heshangshan Drinking Water Source Area, Three Gorges Reservoir Area, China. Water 2017, 9, 329.

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