Slope length is one of the important topographical factors that can determine the energy change along a slope and affect the overland runoff and sediment process.
坡长是决定坡面能量沿程变化，影响坡面径流与水流产沙过程的重要地貌因素之一。
The generation process of runoff and sediment erosion and the hydrodynamic characteristics of flow on forage grass slope with different coverage are quantitatively studied in laboratory.
通过室内模拟降雨试验，研究了不同盖度草地与裸地坡面的产流产沙过程与坡面流水动力学特性。
The process of soil nitrogen loss in runoff and sediment is restricted by interaction of soil nutrient with rainfall and runoff.
坡地土壤养分流失过程实际上是表层土壤养分与降雨、径流相互作用的过程，土壤养分流失的多少主要受相互作用的限制。
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