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本文通过定点观测研究,根据侵蚀力类型与地貌形态,将该地土壤侵蚀划分为:面状侵蚀、沟状侵蚀和崩岗侵蚀。一、面状侵蚀为:由雨滴打击地面、紊动地面径流产生的击溅侵蚀。由于地形和植物等的影响。片蚀实以细沟状侵蚀为主,并通过水量平衡方程、植被和产沙关系,对径流小区水量平衡,植被对片蚀的影响,小区产流、产沙状况作了探讨。二、沟状侵蚀为坡面和崩岗壁面集流作用的结果。三、流水和重力共同作用产生崩岗侵蚀。本文对崩岗侵蚀中面状流水作用区,重力—流水作用区,流水搬运—沉积区的发育过程,以及泥沙冲淤变化作了分析论述。
In this paper, through the observation of fixed point, according to the types of erosions and topography, the soil erosion is divided into: surface erosion, ditch erosion and collapse erosion. First, the surface erosion is: hit by the raindrops on the ground, turbulent surface runoff spatter erosion. Due to the influence of topography and plants. The eclogite erosion is dominated by rill erosion, and the relationship between the water balance and the relationship between vegetation and sediment yield is analyzed. The water balance of the runoff plot, the influence of vegetation on erosion, and the runoff and sediment yield of the plot are discussed. Second, the groove-shaped erosion of slope surface and collapsed Gangli collector effect. Third, the combined effect of water and gravity collapse collapse erosion. In this paper, the disintegration and erosion of surface flow area, gravity - the role of water flow area, water handling - sedimentation area development process, as well as changes in sediment erosion and deposition were analyzed.