The soil erosion in Typical Regions of Loess Plateau are studied in this paper:(1)the main factors affecting soil erosion are precipitation,topography and land use;(2)the main erosion types are water erosion and gravity erosion;(3)the soil erosion is mainly produced in flood season;(4)the soil erosion vertically distributes regularly;(5)soil erosion is heavy in Suide,light relatively in Tianshui,typicial in Ansai,and exceptional in Xifeng among four studied typical regions of Loess Plateau.
修改评论