Concept information
Preferred term
水侵蚀
Definition
- 坚石被水细分成更小的颗粒和被搬移。由于风化，侵蚀是一种自然地质过程，但更快速的侵蚀主要来自不良的土地使用办法，导致肥沃的土地表层的流失和水坝、湖泊、河流和港口的淤积。水的侵蚀可分为三类：a）当雨滴冲击裸露的土壤会发生溅击侵蚀，会使之如泥土般地飞溅，流入土壤中的空间，土壤上层会变成一个无结构、压缩的团块，用坚硬的、基本不透水的地壳来干燥。b）大雨时土壤随地表径流移动时会发生表面流。c）当水和土壤的混合流开切一条渠道时会发生渠道流，它会通过进一步的冲刷而变深。一个小的渠道被称为细沟，更大的渠道被称为沟壑。
Broader concept
Belongs to group
Belongs to array
- gemet:groupCollection (gemet)
- gemet:superGroupCollection (gemet)
- LAND (landscape, geography) (en)
- NATURAL ENVIRONMENT, ANTHROPIC ENVIRONMENT (en)
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Ukrainian
URI
http://www.eionet.europa.eu/gemet/concept/9168
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