Water Resources Planning and Management

Poster Abstract

Eco-compensation Optimal Model for Carps in Cascade Reservoirs Operation

Wednesday, January 4
10:00 AM - 5:00 PM
Location: ChuLv Hall

Reservoir operation has significant impacts on the river ecosystem, especially changing the ecological environment of downstream species. However, the conventional reservoir operation is predominantly guided by maximization of social-economic interests without considering ecological environmental requirement. This paper considers two cascaded reservoirs in the Yangtze River, and applies an efficient non-dominated sorting genetic algorithm (NSGA-II) as an optimization model to explore a compromise between hydropower generation and ecological flow requirement of conserve the habitat of fish four major Chinese carps(Carps). The model takes into the month flow requirement of carps as downstream ecological flow requirment. The result indicates that the optimal model is effective for tradeoffing between the hydropower production and the craps conservation. Although the model has only been applied in two cascaded reservoirs, a extension range of cascaded reservoirs can be applied for considering ecological flow requirement for more than one species.

Junjun Tan

Three Gorges University

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Tengfei Hu

Hohai University

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Eco-compensation Optimal Model for Carps in Cascade Reservoirs Operation



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