Nile Delta stats Flashcards
1
Q
Annual average sediment yield
A
4.26 t/ha/year
2
Q
Depth of alluvial deposits in annual flood
A
4m at Aswan
9.6m at Cairo
3
Q
Surface current velocities
A
9.5-13.5cm/s in summer
4.5 in autumn
23 in winter
8.5 in spring
4
Q
Area of longshore bars
A
Abu Qir to Port Said
5
Q
Reduction in sediment accreted
A
120 million tonnes.year to negligible
6
Q
Rates of coastal retreat
A
148m/year
7
Q
Rising sea levels
A
1.2mm/year
8
Q
A