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Water 2014, 6(4), 796-812; doi:10.3390/w6040796

Optimal Reoperation of Multi-Reservoirs for Integrated Watershed Management with Multiple Benefits

College of Water Sciences, Beijing Normal University, No.19 Xinjiekouwai Street, Beijing 100875, China
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Received: 12 February 2014 / Revised: 18 March 2014 / Accepted: 21 March 2014 / Published: 2 April 2014
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Abstract

Constructing reservoirs can make more efficient use of water resources for human society. However, the negative impacts of these projects on the environment are often ignored. Optimal reoperation of reservoirs, which considers not only in socio-economic values but also environmental benefits, is increasingly important. A model of optimal reoperation of multi-reservoirs for integrated watershed management with multiple benefits was proposed to alleviate the conflict between water use and environmental deterioration. The social, economic, water quality and ecological benefits were respectively taken into account as the scheduling objectives and quantified according to economic models. River minimum ecological flows and reservoir water levels based on flood control were taken as key constraint conditions. Feasible search discrete differential dynamic programming (FS-DDDP) was used to run the model. The proposed model was used in the upstream of the Nanpan River, to quantitatively evaluate the difference between optimal reoperation and routine operation. The results indicated that the reoperation could significantly increase the water quality benefit and have a minor effect on the benefits of power generation and irrigation under different hydrological years. The model can be readily adapted to other multi-reservoir systems for water resources management. View Full-Text
Keywords: eco-environment; multi-reservoirs; model; optimal reoperation; benefit eco-environment; multi-reservoirs; model; optimal reoperation; benefit
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Xu, X.; Bin, L.; Pan, C.; Ding, A.; Chen, D. Optimal Reoperation of Multi-Reservoirs for Integrated Watershed Management with Multiple Benefits. Water 2014, 6, 796-812.

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