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COASTS

The coast is a narrow contact zone between the land and sea.

Waves
Created when wind blow over the surface of sea causing friction.
Size and energy of wave varies according to it's speed and amount of time it has been
moving
The distance over which a wave has…

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Groynes ­ Wooden barriers built perpendicular to beach at regular intervals. Traps
sediment from LSD and disperses wave energy. Quite cheap and repaired easily,
but need regular maintenance. E.g. Mappleton
Soft Engineering
Beach Nourishment ­ material lost from LSD is replaced regularly, but sand
gravek must be taken from another…

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