Flashcards
Coastal management
Flashcards do conjunto (11)
- 1Hold the lineUse sea defences to stop erosion and keep the coast where it is today
- 2Advance the lineUse sea defences to move the coast further into the sea, this is very expensive
- 3Strategic retreatGradually let the coast erode and move people and businesses away from at-risk areas
- 4Do nothing strategyTake no action at all and let nature take its place
- 5Hard engineering strategyExpensive e.g Gabions
Traditional method e.g sea walls - 6Soft engineering strategyCheaper
More natural method
E.g planting plants
E.g beach nourishment
More common - 7Sea wallThick at the bottom lipped at the top/ a curve so the waves roll off
- 8GabionsRolls of rock cages concreted together
Thick at the bottom - 9RIP rapsLarge rocks and boulders more natural looking
- 10GroyneOften wooden fences built along the beach to prevent long shore drift so the sand builds up instead of loosing it
- 11RevetmentsFences at an angle to prevent long shore drift
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- Descrição
- FlashCards sobre Coastal management , criado por Lizzy Palin em 31-10-2018.
- Criado por
- Lizzy Palin
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