![]() Water quality standard for some indexes WQ tĪnnual average amount of water supply W minĪnnual minimum amount of water supply NDS iĪnnual average transferred water amount of reservoir i GSI Sediment amount out of the reservoir at the stage t Sed 1 Sediment amount into the reservoir at the stage t Sed out River flow to satisfy the suitable ecology flow requirement at the stage t Sed in ![]() River flow required for the navigation purpose at the stage t Q pro, eco Total hydropower generation amount at the total operation period Q pro, navi Hydropower generated output at unit time EPow 1 Reservoir standard downstream flow for the flood protect objective N t Reservoir downstream flow at the location of protect objective Q std, flood Water supply resiliency coefficient for water demand ω 1, ω 2 Water supply reliability for water demand RES Water losses of reservoir because of evaporation and seepage S i max Water spills of equivalent reservoir at the stage t L T t Reservoir release for all water demand at the stage t SU T t Stream inflows into equivalent reservoir at the stage t R T t Keywordsīeginning-of-period storage of equivalent reservoir at the stage t I T t The effect of inflow forecast uncertainty on real-time reservoir operation, effective forecast horizon identification and generalized marginal model of the uncertainty evolution of inflow forecast are discussed in details. Reservoir inflow is important information for multi-reservoir operation. The multi-reservoir operation problem in inter-basin water transfer project is illustrated mainly on deriving the water transfer rule and water supply rule using bi-level model. Inter-basin water transfer project becomes one of effective measures to mitigate imbalance between water supply and water demand. Different rule curves and multi-objective optimization algorithms are discussed in this chapter. The reservoir operation rule form and derivation method are the most important elements for deriving optimal multi-reservoir operation policy. ![]() Considering the impact of human activity on the reservoir inflow, multi-reservoir operation is studied within theory framework of dualistic water cycle. The state-of-the-art on operation of multi-reservoir system is reviewed and multi-reservoir construction and management practice in China are introduced at the beginning.
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