A Triple-stage Operation Method for Deriving Operation Rules for Cascade Reservoirs during Catastrophic Flood Events

Di Zhu, Hua Chen (), Yanlai Zhou, Yadong Mei, Xinfa Xu and Shenglian Guo
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Di Zhu: Wuhan University
Hua Chen: Wuhan University
Yanlai Zhou: Wuhan University
Yadong Mei: Wuhan University
Xinfa Xu: Jiangxi Academy of Water Science and Engineering
Shenglian Guo: Wuhan University

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2022, vol. 36, issue 13, No 1, 4863-4883

Abstract: Abstract Alleviating flood stress and reducing flood disaster losses are vital issues when operating flood control systems. To address catastrophic floods, this study establishes an optimal flood control operation model for minimizing the excess flood volume of downstream flood control points. A triple-stage operation method (TSOM) is proposed to solve the model by dividing flood control operation processes into three stages. The constructed model is applied to the operation of a flood control system located in the middle and lower reaches of the Ganjiang River, China. The results demonstrate that the TSOM has superiority in solving efficiency, reducing excess flood volume by more than 30–230 million cubic meters compared with the progressive optimality algorithm (POA) for most designed floods with 500-year return periods. Furthermore, the discharge and water level processes created by the TSOM fluctuate less than those created by the POA, which meets the requirements of practical flood control operations.

Keywords: Excess flood volume; Optimal flood control operation; Cascade reservoirs; Ganjiang River (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s11269-022-03189-y

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