土壤侵蚀作为世界的重大环境问题越来越受到世界各国政府及科技工作者的关注。一般来说 ,土壤侵蚀是指土壤在外力 (如水力、风力、重力、人为活动等 )的作用下 ,被分散、剥离、搬运和沉积的过程。土壤侵蚀作为一个科学术语在国际上是通用的 ,一般认为它属土壤学的二级学科。水 As a major environmental problem in the world, soil erosion has drawn more and more attention from governments and scientific and technological workers all over the world. In general, soil erosion is the process by which soil is dispersed, stripped, transported and deposited under the influence of external forces (such as water, wind, gravity and human activity). Soil erosion as a scientific term is internationally accepted, it is generally believed that it is a secondary subject of soil science. water