How does long shore drift occur (3)
Waves approach coast then awash moved up the beach at an angle, backwash drains straight back down the beach gradually moving material along beach in zig zag movement
How are bays formed
By Softer rock getting eroded
When does splits form
When coastline changes direction
What is a gabion
Large boulders placed in cages
What are groynes designed to stop
Long shore drift
What are revetments and what are they designed for
Wooden walls and designed to absorb wave energy
what is the difference for constructive and destructive waves
constructive has stronger swash, has lower frequency but destructive has stronger backwash