Variable fuzzy evaluation of regional ecological effects of modern water network construction
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Abstract:
The modern water network construction is intended to solve the problems of water shortage, groundwater overdraft, and ecological deterioration. This paper evaluates the ecological effects of modern water network construction so as to assess the ecological function of modern water network construction. We took Qingzhou City as the research area, and took 2013 as the base year and 2020 and 2025 as the planning years. At 50%, 75% and 95% assurance rates, we conducted optimal allocation and dispatching of water resources through Qingzhou modern water network. According to the allocation and dispatching results, we selected 5 evaluation indexes of ecological effects, and constructed an index system of ecological effects evaluation. Using variable fuzzy evaluation method, we evaluated the ecological effects of the construction of modern water network in Qingzhou. The results showed that the ecological level improved by 1-3 grades after the modern water network was constructed, and the ecological environment was obviously improved. Therefore, the regional modern water network construction and ecological dispatching play an important role in improving the ecological environment.
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