How can damming rivers upstream contribute to erosion problems at the shoreline?
A) Dams prevent natural flood events that would erode and reshape beaches.
B) Dams trap sediment that would otherwise supply sand to beaches.
C) Dams reduce water flow year round, allowing tidal currents to erode farther inland.
D) Dam construction weakens sea cliffs.
E) Artificial floods of water released from dams causes extreme erosion.

Question

Quizplus · Accepted Answer

Dams trap sediment that would normally flow downstream and replenish beaches. This can lead to reduced sediment supply and increased erosion at the shoreline.

How Can Damming Rivers Upstream Contribute to Erosion Problems at the Shoreline