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WAVES - Coggle Diagram
WAVES
Cliffs and wavecut platforms
Wave erosion concentrated at foot of cliff
Wave cut notch formed
Cliff is undercut and collapses
Repeated collapse causes cliff to retreat
Caves arches and stacks
A band of weaker rock exxtends through a headland
Erosion produces caves on both sides of headland
More erosion produces an arch
roof becomes weak and collapses forming a stack
TYPES
Constuctive
Builds up beach
Weak backwash
Low wave height
Destructive
Beach gradient is steep
Erodes beaches
swash is weak