ent. 1. Surface erosion 1. Surface erosion ?Surface erosion involves the detachment and subsequent removal of soil particles and small aggregates from land surfaces by water or wind. 坡面侵蚀示范基地坡面侵蚀示范基地?This type of erosion is caused by the action of raindrops, thin film flows, concentrated overland flows, or wind. While less serious in forested environments, surface erosion can be an important source of sediment from rangelands and cultivated agricultural lands.侵蚀坡面侵蚀坡面Wind ErosionWind Erosion2. Gully erosion2. Gully erosion?Gully erosion is the detachment and movement of material, either individual soil particles or large aggregates, in a well-defined channel. This kind of erosion is a major form of geologic erosion that can be accelerated greatly under poor land management. 侵蚀沟侵蚀沟侵蚀沟侵蚀沟
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