aggradation

Click image to enlarge

Stream channel aggradation created the braided channel
of the Nelchina River, Copper River region, Alaska

(Photo credit: USGS Digital Data Series
DDS-21. Used with permission)

Aggradation refers to the build up of the land surface due to deposition of solid materials. Often applied to the deposition of sediment in a river creating a braided stream channel.

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