Author Question: Which is not an effect resulting from dam construction on a river? A) sediment deposition above ... (Read 56 times)

LCritchfi · **on:** Jul 16, 2018

Which is not an effect resulting from dam construction on a river?

A) sediment deposition above the dam
B) erosion of the channel bed below the dam
C) increased sediment build-up below the dam
D) bank stabilization below the dam

Question 2

Why does water released from a dam erode the streambed so much more than it would have before the dam existed?

A) It has a greatly increased velocity.
B) It has more stream power than it would have had before the dam.
C) The dry stream bed below the dam weakens while it is left dry.
D) The stream power now exceeds the sediment load by a great amount.