To study the surface erosion of highway slopes, Guyuan interchange in 2.

为研究高速公路边坡面蚀, 选择银武高速公路同心至固原段固原立交2.

The characteristic of top soil will changed by splash erosion and surface erosion, accordingly to alert the route of runoff and seepage and work to unconsistenty of soil erosion.

弃土场坡面地表土壤特性随着降雨击溅和径流冲刷的作用而发生变化，从而影响区域内径流和渗流途经，造成坡面产流的不一致性。