Multi2objective ecological operation of water supply reservoir

A multi 2objective ecological operation model of water supply reservoir was developed according to the runoff character2 istics and practical demand of reservoir operation in North China. T he ecological water requirement of the downstream river was divided into two levels in the model: minimum ecological water requirement and suitable ecological water requirement. The dis2 charge process of reservoir in the low flow period should meet the minimum ecological water requirement in order to sustain the ecological environment in the downstream, and the discharge process of reservoir in the high flow period should meet the suit2 able ecological water requirement in order to provide suitable habitat in the downstream. The multi2objective ecological operation model was applied to optimize the ecological operation in the Shuangfengsi Reservoir using adaptive genetic algorithm. T he re 2 sults showed that the model can provide technical support for the ecological operation of water supply reservoir in North China.

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