Hard Engineering Flashcards
Groynes trap material being transported by longshore drift. This builds up a wide beach which helps absorb energy from waves, reducing the rate of cliff erosion.
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Beaches beyond the defences (downdrift) are starved of beach material due to it being trapped behind the terminal (last) groyne.
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Groynes, rock armour, sea walls, revetments, gabions or breakwater.
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Hard engineering involves building artificial structures which try to control natural processes.
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Cheap and efficient at reducing energy in waves approaching the coast.
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