Optimization and Evaluation of Environmental Operations for Three Gorges Reservoir

Ming Hu, Guo H. Huang (), Wei Sun (), Xiaowen Ding, Yongping Li and Bin Fan
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Ming Hu: Chinese Academy of Sciences
Guo H. Huang: North China Electric Power University
Wei Sun: University of Regina
Xiaowen Ding: North China Electric Power University
Yongping Li: North China Electric Power University
Bin Fan: Chinese Academy of Sciences

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2016, vol. 30, issue 10, No 15, 3553-3576

Abstract: Abstract This study proposed a multi-objective environmental reservoir operation methodology (MOEROM) and applied the new methodology to the Three Gorges Reservoir (TGR) in China. The MOEROM directly incorporated the statistical water quality models in the objective functions to reflect the response relationships between reservoir operations and water quality in three tributaries (the Xiangxi River, the Daning River and the Xiaojing River). A real-coded genetic algorithm with self-adaptive crossover operators was employed to solve the environmental reservoir operation model. And four different MCDA approaches (AHP, TOPSIS, Fuzzy AHP, and Fuzzy TOPSIS) were proposed to evaluate the optimal operational schemes. The results showed that TOPSIS and AHP were more suitable for selecting the schemes than the others because of the larger fluctuations. To demonstrate the advantage of MOEROM, the environmental operation schemes were compared with traditional and practical operation schemes in 2013. The advantages of the environmental operation scheme over the others were that it would help reach a compromise between economic benefit, flood control and water quality improvement. In the future, more water quality indices, uncertainties in water environmental information, and more efficient algorithms would be further considered and researched.

Keywords: Multi-objective programming; Environmental operation; Genetic algorithm; MCDA; Three Gorges Reservoir (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s11269-016-1370-2

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