the cliff retreats overtime- water cut platforms and stacks created
why is refraction important?
when waves approach the coastline they are bent or refracted by the shape of the coast,. waves thus curved and have low energy in the bay which results in a deposited beach
what are the joints and faults?
vertical cracks run through the chalk - JOINTS
in some places sections of chalk have been displaced along lines called FAULTS
mass movememtns?
sea is actively eroding and undercutting base of cliff- freq rockfall
