Application of flood classification forecast in flood control operation of Qinghe reservoir

In the condition of large error for forecasting hystorical and short-term flood in the forecast and the operation of big reservoir,the calculation of precision is diffcult,the error of flood forecast is large,the difficulty of flood operation is increased.The paper adopts the classification forecast method of flood,the flood is classified according to flood different cause,the flood is forecasted with different forecast models and dynamic forecast parameters,the precision and the effectiveness of flood forecast are raised.