aggradation







aggradation


verb (used with object), ag·grad·ed, ag·grad·ing. Physical Geography.

  1. to raise the grade or level of (a river valley, a stream bed, etc.) by depositing detritus, sediment, or the like.

verb

  1. (tr) to build up the level of (any land surface) by the deposition of sedimentCompare degrade (def. 4)

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