Coastal management (Edexcel GCSE Geography A): Flashcards
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Practise the cards
15 cards from this deck
Coastal management purpose
Coastal management purpose
Protecting coastlines from erosion and flooding
Hard engineering definition
Hard engineering definition
Constructing artificial barriers for direct protection
Soft engineering definition
Soft engineering definition
Works with natural coastal processes
Sea walls
Sea walls
Concrete/stone barriers deflecting wave energy
Sea walls cost per metre
Sea walls cost per metre
10,000
Groynes
Groynes
Barriers at right angles to coast, trap sediment
Groynes cost per metre
Groynes cost per metre
$2,000 (timber)
Longshore drift
Longshore drift
Natural movement of sand/sediment along coast
Rip rap (rock armour)
Rip rap (rock armour)
Large rocks/blocks placed on shoreline
Rip rap cost per metre
Rip rap cost per metre
3,000
Beach replenishment
Beach replenishment
Adding sand to eroded beaches
Beach replenishment cost per metre
Beach replenishment cost per metre
$200
Beach replenishment wave energy reduction
Beach replenishment wave energy reduction
Up to 70%
Offshore reefs
Offshore reefs
Artificial structures built in sea away from shore
Offshore reefs cost per metre
Offshore reefs cost per metre
$5,000
