英语词汇“aggradation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

aggradation

/ˌaɡrəˈdeɪʃ(ə)n

noun [mass noun] Geology

The deposition of material by a river, stream, or current.The transition from fluvial aggradation to subsequent fluvial downcutting records base level lowering most likely associated with structurally driven surface uplift....

Some of the reasoning behind the comments of Legros seems to be based on the view that ignimbrites are deposited by progressive aggradation from steady currents emplaced rather slowly over hours or days.
This does not mean that deforestation is not associated with accelerated soil loss, landsliding, river-channel aggradation, with desertification, or with increased severity of floods.

Origin

Late 19th century: from ag- (expressing increase) + (de)gradation.

单词	aggradation
释义	aggradation /ˌaɡrəˈdeɪʃ(ə)n / noun [mass noun] Geology The deposition of material by a river, stream, or current.The transition from fluvial aggradation to subsequent fluvial downcutting records base level lowering most likely associated with structurally driven surface uplift.... Some of the reasoning behind the comments of Legros seems to be based on the view that ignimbrites are deposited by progressive aggradation from steady currents emplaced rather slowly over hours or days. This does not mean that deforestation is not associated with accelerated soil loss, landsliding, river-channel aggradation, with desertification, or with increased severity of floods. Origin Late 19th century: from ag- (expressing increase) + (de)gradation.
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