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aggradation

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aggradation [‚ag·rə′dā·shən]
(geology)
(hydrology)
A process of shifting equilibrium of stream deposition, with upbuilding approximately at grade.

aggradation
The addition of a material to the earth’s surface to promote the uniformity of a grade or slope.


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Early sedimentation probably represents aggradation in response to estuarine back flooding of westward flowing rivers during the rise in the Lake Michigan water levels from the Chippewa low to the Nipissing high.
57) She identified issues of fact in the tribe's nuisance-trespass claims for aggradation (siltation of the river), and she credited tribal evidence that aggradation could be abated by dredging the river or increasing the flushing flows.
Sedimentation in these entrenched floodplains was also influenced by sea-level fluctuation during the Holocene, causing increased aggradation and formation of large fluvial lakes and swamps (Singh 2001).
 
 
 
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