Entrenchment of a channel occurs because
A)a decrease in stream gradient occurs.
B)a change in the bed load size-distribution occurs.
C)the river flows from consolidated rock into a region composed of loose sediments.
D)rejuvenation occurs due to uplift.
E)isostatic downwarping of the crust occurs.

Question

Quizplus · Accepted Answer

Entrenchment of a channel often occurs due to rejuvenation, which can be caused by uplift. This uplift rejuvenates the river, increasing its potential energy and causing it to incise or entrench into its bed as it seeks a new equilibrium profile.

Entrenchment of a Channel Occurs Because