Language :
SWEWE Member :Login |Registration
Search
Encyclopedia community |Encyclopedia Answers |Submit question |Vocabulary Knowledge |Upload knowledge
questions :Soil eroSivity
Visitor (157.47.*.*)
Category :[Science][Other]
I have to answer [Visitor (34.204.*.*) | Login ]

Picture :
Type :[|jpg|gif|jpeg|png|] Byte :[<1000KB]
Language :
| Check code :
All answers [ 1 ]
[Member (365WT)]answers [Chinese ]Time :2019-05-08
Soil erosion is a process in which soil or other ground constituents are denuded, destroyed, separated, transported and deposited under the influence of external forces such as hydraulic power, wind, freezing and thawing, gravity, etc. Narrowly defined soil erosion refers only to the "soil" being externally operated. Separation, destruction and movement of force. According to the type of external force, soil erosion can be divided into hydraulic erosion, wind erosion, freeze-thaw erosion, gravity erosion, leaching erosion, flash flood erosion, debris flow erosion and soil subsidence. It is not limited to soil and its parent material, but also includes soil, cuttings and soft rock layers under the soil..Under modern erosion conditions, the impact of human activities on soil erosion is increasing. Its stripping and destruction of soil and surface materials has become an important external force. Therefore, the comprehensive and exact soil erosion should be: soil Or other ground constituents are denuded, destroyed, separated, transported and deposited under the influence of natural forces or under the combined action of natural forces and human activities. In China, soil erosion is sometimes used as a synonym for water and soil loss. ...

Search

版权申明 | 隐私权政策 | Copyright @2018 World encyclopedic knowledge