张渭河上游洪水预报系统的开发及其应用

Jialan Sun, X. Lei, Weihong Liao, Yunzhong Jiang, Hao Wang
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引用次数: 5

摘要

随着近年来张渭河流域下垫面变化,有必要建立张渭河流域上游分布式洪水预报模型,研究其水文过程,为防洪部门提供技术支持。基于具有物理特征的分布式水文模型EasyDHM(一种更广泛和可扩展的方法),开发了一个洪水预报系统(FFS),该系统配备了更新的预处理模块和参数自动优化模块。FFS的一般功能包括三个主要部分:(1)水文分析和建模输入预处理模块,(2)模型计算模块,(3)结果分析模块。该系统在张渭河流域上游的应用取得了满意的效果,为防洪调度提供了更多的信息。
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Development of a flood forecasting system and its application to upper reaches of Zhangweihe River Basin
With changes of underlying surface in Zhangwei River Basin in recent years, it is necessary to build distributed flood forecasting model in upper stream of Zhangwei River Basin to study the hydrologic processes, which can also provide technical support for the flood control department. Based on the physically characterized distributed hydrological model - EasyDHM - a more generalized and expandable method, a flood forecasting system (FFS) has been developed that is equipped with updated modules for pre-processing and automatic parameter optimizing. The general functions of FFS consists of three major parts:(1) a preprocessing module for hydrological analysis and modeling inputs, (2) a model calculation module, and (3) a results analysis module. With its application in the upper reaches of Zhangwei River Basin, this system exhibited a satisfactory performance so that it can provide more information for flood control and dispatch.
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