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Erosional Landforms - Coggle Diagram
Erosional Landforms
Headlands
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Form on discordant coastlines, along with bays
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As the cave becomes bigger, it eventually becomes an arch
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As the arch becomes wider, the roof eventually collapses in on itself ans leaves a stack
The stack is undercut until it collapses, leaving only a stump
Example: Hegistbury Head
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Located in Dorset on the south coast, close to Christchurch and between Southampton and Bournemouth
The groynes on make sure that sediemnt from Bournemouth Bay doesn't spread into Christchurch Bay -preventing longshore drift
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Wave cut platforms
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Often found extending from the base of a cliff, which retreats as undercutting increases
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Bays and Coves
Bays
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Form on discordant coastlines, along with headlands
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Coves
Lulworth Cove, near Dorset
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At concordant coastlines, the sea can punch through a band of hard rock and exploits the soft rock behind it
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