| degradation |
The breaking down of a substance into smaller or simpler parts, usually by erosion.
출처: biology.usgs.gov/s+t/SNT/noframe/zy198.htm
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| degradation |
The process by which a stream's gradient becomes less steep, due to the erosion of sediment from the stream bed. Such erosion generally follows a sharp reduction in the amount of sediment entering the stream.
출처: college.hmco.com/geology/resources/geologylink/glo...
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| degradation |
the diminution of biological productivity or diversity.
출처: www.for.gov.bc.ca/hfd/library/documents/glossary/D...
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| degradation |
The wearing down of land by the action of the sea or of meteoric agencies. 50
출처: www.bartleby.com/11/104.html
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| degradation |
The decline in a soil's fertility as a result of loss of organic matter, erosion by wind or water, compaction, salinization, contamination, or acidification.
출처: museum.gov.ns.ca/mnh/nature/nhns2/glossary.htm
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