基于EasyRiv1D模型的漳卫河流域河道洪水演进模拟研究

漳卫河中下游河道断面变化较大,该流域的洪水预报调度十分复杂。传统的水文学方法只是借助于历史洪水进行汇流参数率定,本文借助于水力学方法和河道实测断面,利用Easy Riv1D模型对河道洪水演进模拟研究,取得了较好的预报效果,可以为漳卫河流域的河道洪水演进提供技术支撑。

Simulation Study on River Flood Routing in Zhangwei Basin Based on EasyRiv1D Model

The shape of the cross sections of the middle and lower reaches of the Zhangwei River varies greatly, which leads to a complicated problem in the flood forecasting and dispatching. The traditional hydrological methodswere used to rate parameters according to the historical floods. In this paper, by means of hydraulics method and measured section of river channel, EasyRiv1D model was used to simulate river channel flood routing, and better prediction result was obtained. The result shows that high simulation precision in the flood routing of the Zhangwei River can be obtained by using the hydraulic method based on the EasyRiv1D model, so as to provide technical support for the river flood routing in Zhangwei River Basin.