Corrasion is when destructive waves pick up beach material (e.g. pebbles) and hurl them at the base of a cliff. Over time this can loosen cliff material forming a wave-cut notch.

Find out more about coastal erosion.

Headlands form along discordant coastlines.

Find out more about discordant coastlines.

Attrition is when waves cause rocks and pebbles to bump into each other and break up.

Find out more about coastal erosion.

The soft boulder clay holds rainwater and run-off. Waves erode the base of the cliff creating a wave-cut notch. The clay becomes saturated and forms a slip plane. The weight of the saturated cliff causes it to slump.

Find out more about mass movement.

Beaches, sand dunes, spits and bars.

Find out more about landforms of coastal deposition.