1洪水预报综述洪水预报是根据洪水形成和运动规律,利用水文、气象信息,预测洪水的发生与变化过程的应用科学技术。预报项目主要有峰水位、最大流量、洪峰出现时间和一次洪水总量等。2洪水预报是防汛抗洪的基础洪水预报是根据流域上发生的暴雨或河流上游的来水等 1 flood forecast summary Flood forecasting is based on flood formation and movement laws, the use of hydrological and meteorological information, predict flood occurrence and change process of applied science and technology. Forecast projects are peak water level, the maximum flow rate, flood peak time and a total flood and so on. 2 Flood forecasting is the basis for flood control and flood fighting Flood forecasting is based on heavy rainfall in the river basin or incoming water in the upper reaches of the river