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文章通过对已有的大量水文气象资料进行分析,充分运用数理统计和成因推理方法,分析暴雨特征统计参数;通过山洪灾害发生的原因、小流域时段雨量、暴雨频率和暴雨时程分配等内容,确定和分析了小流域设计暴雨计算方法,并依据公式及典型场次暴雨对时程分配进行剖析和计算,旨在对无资料地区山洪灾害设计暴雨计算有所借鉴作用。
Through the analysis of a large number of existing hydrological and meteorological data, making full use of mathematical statistics and genetic reasoning methods to analyze the statistical parameters of rainstorm characteristics; through the causes of mountain torrent disasters, the contents of rainfall, storm frequency and storm duration distribution in small watershed, The calculation method of stormwater design in small watershed was determined and analyzed. Based on the formulas and typical storm events, the time-series distribution was analyzed and calculated, which could be used as a reference for the design of torrential rain disaster in the un-dataized area.