Nile Delta #5 changes to sediment budget Flashcards
1
Q
Since the building of the Aswan dam what has occurred?
A
An imbalance between erosion and accretion
2
Q
What has happened to the level of sediment accreted since the dam?include stats
A
Reduced rapidly- 120 million tonnes /yr to a trace today
3
Q
Where have the most significant changes occurred and what has happened?
A
Northwest Nile Delta where rates of coastal retreat as high as 148m/yr due to less deposition and rising sea level
4
Q
How far have sea levels risen and what has this resulted in?
A
1.2m/yr- deeper eater produces larger waves which increases erosion.
