A stream becomes graded when
A) erosion and deposition are in equilibrium.
B) a local base level controls the stream.
C) a river achieves a longitudinal stream profile of a steeper upstream portion.
D) its basin becomes rejuvenated.

Question

Quizplus · Accepted Answer

A stream becomes graded when erosion and deposition are in equilibrium, meaning that the sediment being transported by the stream is equal to the sediment being deposited. This leads to a balance where the stream channel maintains a constant slope and size.

A Stream Becomes Graded When