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本文对格林——阿姆特(Green-Ampt,1911)物理入渗方程进行了改造,以几个常用的水文参数代换方程中的土壤水分物理参数,得到了半理论半经验的入渗方程;通过陕北团山沟流域(面积0.18平方公里)的暴雨径流分析,对半理论半经验入渗方程中参数予以定量。应用变雨强及分散性模型的入渗计算方法,对岔巴沟流域(面积187平方公里)实测最大洪水的暴雨进行了产流计算,验证结果良好。
In this paper, the physical infiltration equation of Green-Ampt (1911) has been modified, and the semi-theoretical semi-empirical infiltration equation has been obtained by substituting several commonly used hydrological parameters for the soil moisture parameters. The parameters of semi-empirical semi-empirical infiltration equation were quantified by the storm runoff analysis of the Tuanhangou drainage basin in northern Shaanxi Province (area: 0.18 km 2). By using the infiltration calculation method of changing rainfall intensity and dispersion model, the runoff calculation was carried out for the heavy rainsthat measured the maximum flood in Chabagou drainage basin (area: 187 km2), and the result was good.