Study of ecological storage based on optimization simulation technique

In order to coordinate the role of reservoirs in water resources development and river ecosystem protection, a scheme for designing ecological storages were presented and applied on Danjiangkou reservoir. Tennant Method was used to calculate reference values of ecological flow in Xiangyang and Xiantao, two control sections downstream of Danjiangkou reservoir. Then an optimization model for ecological storage were established based on an integrated consideration of the reservoir's multi-function, including flood control, ecological water demand, water supply, water transfer, power generation and navigation. Finally, solutions were obtained by integrating Adaptive Genetic Algorithm (AGA) with scheduling simulation technology under the background of four operation rules respectively. Results indicated that the operation charts with ecological storages could meet the demand of ecological flow in the control sections with a superior comprehensive benefit. In addition, optimize-simulate technology was approved to be a viable approach for the ecological storage design.