Flood resources utilization based on flood control forecast operation.

As a key parameter of coordinating flood control and impounding, the limited level of reservoirs during the flood season is a crucial factor of flood resources utilization. With an example of the limited level analysis of Yuqiao reservoir during the flood season, a method of forecast operation judging the flood frequency by accumulated runoff is proposed to elevate the limited level of reservoirs during the flood season. Meanwhile, to utilize flood resources in security, a comprehensive evaluation system is presented to obtain an optimum limited level of reservoirs during the flood season including risk rate, damaged degree, renew degree and impounding benefit. It is shown that different flood frequency judgment indexes variously influence the impounding capacity of reservoirs, and the forecast operation mode and comprehensive evaluation system are important for the safe utilization of flood resources during the flood period.