Dams causing erosion - Nile Delta Flashcards
1
Q
What is the name of the dam?
A
Aswan High Dam
2
Q
How much did the sediment volume fall by?
A
From 130 million tonnes to 15 million tonnes
3
Q
What caused sediment volume to fall?
A
Sediment was trapped by the reservoir and dam
4
Q
What effect did this have on the Nile?
A
- erosion rates jumped from 20-25 m per year to 200m per year
5
Q
What does this shows?
A
How important river transported sediment is in maintaining the dynamic equilibrium between deposition and erosion at coasts
