Sea Wall: Stops the wave from reaching the coastline, Ugly, Reflect waves back to the sea, Groynes: Prevent removal of material due to long shore drift, Build up material at one part of the coast, Starve other areas of sand, meaning more erosion, Rock armour: Expensive, Able to absorb some of the waves energy, Generally brought in from areas around the UK, Managed Retreat: Cheap, Let the coastline erode naturally, Damages the land behind the coast,

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