longshore drift Flashcards
1
Q
Longshore (littoral) drift is the main process of
A
deposition and transportation along the coast
2
Q
longshore drift is influenced by the ……..
A
prevailing wind, waves approach the beach at an angle
3
Q
As the waves break, the swash
A
carries material up the beach at the same angle
4
Q
As the swash dies away, the backwash carries the material
A
down the beach at right angles (90°)
5
Q
The process repeats, transporting material along the beach in a …………… movement
A
zig-zag
6
Q
Offshore currents can contribute to the movement of sediment along or up the beach
A