由于土管内部粗糙程度和分枝合流情况不同，土壤前期降雨量、本次降雨强度影响也造成管流的水文过程产生差别。
Because of the differences of the roughness, the interflow, the soil moisture and the rainfall intensity, the pipe flow process shows different hydraulic graph.
最后利用发生坡面泥石流前3日累计降雨量和当日前期降雨量，得出了该区域降水诱发坡面泥石流的临界雨量方程。
By using the antecedent precipitation on that day and 3-day antecedent precipitation, the formula of the critical precipitation can be obtained.
管流出现的时间、管流历时与降雨强度、降雨历时、土壤前期水分含量和土管所处的土壤剖面位置等因素有关。
The appearing and lasting time of pipe flow is related to the rainfall intensity, duration of rainfall, the previous water content of soil and the location of soil pipe in soil section.
阐述了降雨量、前期土壤水分含量和下渗历时与水分下渗深度的关系。
The relations between rainfalls, contents of soil water before rainfall, time of infiltration and depth of infiltration were described.
阐述了降雨量、前期土壤水分含量和下渗历时与水分下渗深度的关系。
The relations between rainfalls, contents of soil water before rainfall, time of infiltration and depth of infiltration were described.
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