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Coasts - Coggle Diagram
Coasts
Key terms
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Weathering
Biological Weathering - roots burrow down, weakening the structure until it breaks away
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Chemical Weathering - chemicals in salt, seawater and rainwater will weaken rock over time
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Depositional Landforms
deposition - When the sea loses energy, it drops the sand, rock particles and pebbles it has been carrying.
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Hengistbury Head
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beach
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constructive waves bring sediment and deposit it leading to a gradual build up of sediment that forms into a beach
Cliffs
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destructive waves cause erosion (hydraulic action) and eat away and the cliff causing gradual backward movement or cliff slumping
Mass Movement
speed
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vegetation cover - if vegetation is present it will absorb some of the water and the roots will bind the soil making it more stable
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