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Local uplift of land (dynamic rejuvenation) lead to a change in the base level hence the river
revives its erosive activities.
-Lowering at the seal level (eustactic rejuvenation )creates sharp breaks/knick points at the rive
mouth. This leads to revived erosion.
-Increase in discharge raise the volume of a river thus increasing its erosive power.
-Presence of a hard rock out crop a long the river causes breaks over which a river drops in falls
and renews sits erosive work.
gideon1 answered the question on September 29, 2017 at 17:50
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