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文章针对伊川县暴雨和山洪特性,以小流域为单元合理选择适用于当地的设计暴雨洪水计算方法和水文模型等分析计算方法,以伊川县城关镇的西干渠流域石瑶村六组为例详细介绍了山洪灾害暴雨计算方法,并进行了暴雨时程分配计算。为河南省相似地区山洪灾害防治设计暴雨计算提供了可靠的技术支撑,也为同类工程评价项目提供了参考。
In this paper, aiming at the characteristics of heavy rain and flash flood in Yichuan County, this paper uses the small watershed as a unit to reasonably choose the calculation method and storm hydrological model which are suitable for the design flood storm in this area. The calculation method of torrential rain storm torrential rain was introduced and the calculation of storm time distribution was carried out. It provided a reliable technical support for the calculation of torrential rain in mountain flood disaster prevention and control design in similar areas of Henan Province and also provided a reference for the similar project evaluation project.