EQ3- Rates of erosion on nile delta Flashcards
1
Q
What is going on at the Nile delta?
A
-Nile delta erosion rates have ⬆️ from 25m per year to over 200m.
2
Q
Why have erosion rates at the Nile Delta increases?
A
-Water withdrawals for industry and farming from the reservoir behind the Aswan High dam
-Sediment is being trapped by the dam + reservoir
-The aswan dam stopped sediment build up so ⬆️ erosion
3
Q
What is the impact of the Aswan dam on the Nile delta?
A
Sediment volume fell from 130 million tones to 15 million tonnes.