When a dam and reservoir are constructed, the natural response of the river and its channel gradient come under the control of
A) the same base level that existed prior to construction.
B) a local, or temporary, base level.
C) the government.
D) an ultimate base level.

Question

Quizplus · Accepted Answer

The construction of a dam and reservoir creates a local, or temporary, base level in the area upstream of the dam. The river and channel gradient will be controlled by this new base level until the dam is removed or breached.

When a Dam and Reservoir Are Constructed, the Natural Response