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31 Cards in this Set
- Front
- Back
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Cost of Sea Wall |
£2000 per metre |
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Cost of Groynes |
£2000 per metre |
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Cost of Rock Armour |
£300 per metre |
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Cost of Gabions |
£100 per metre |
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Pro of Sea Wall |
Long lasting, creates a promenade for tourists |
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Pro of Groynes |
Stops transportation of sediment |
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Pro of Rock armour |
Looks more natural |
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Pro of Beach nourishment |
It's a natural for of protection |
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Pros of Sand dune regeneration |
Absorbs wave energy and creates new habitats |
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Pro of Managed retreat |
Flooding is reduced in other areas |
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Con of Sea Wall |
Accessing them beach becomes more difficult |
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Con of Groynes |
As it stops transportation onto their beach it increases the risk of erosion further down their coast |
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Con of Gabions |
Makes them beach look ugly |
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Con of beach nourishment |
It's time consuming and then sand has to come from somewhere |
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Cons of managed retreat |
Some people will lose land, houses and businesses |
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Define hard engineering |
Building physical structures to stop erosion |
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Define Soft engineering |
Using nature to protect their coast, and it's more environmentally friendly. |
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What is a Sea wall? |
A concrete wall that absorbs wave energy |
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What are Groynes? |
Long wooden fences or piles of rocks that stop long shore drift |
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What is Rock armour? |
Large boulders piled up at their foot of cliffs that absorb wave energy |
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What are Gabions? |
Rocks or boulders held in wore mesh cages to absorb wave energy |
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What is Beach nourishment? |
Adding sand to beaches in front of cliffs |
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What is Sand dune regeneration? |
Allowing sand dunes to build up around wooden structures |
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What is Managed retreat? |
Abandoning existing sea defences and building new ones further inland. |
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What type of engineering is Sea walls? |
Hard engineering |
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What type of engineering are Groynes? |
Hard engineering |
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What type of engineering is Rock armour? |
Hard engineering |
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What type of engineering are Gabion? |
Hard engineering |
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What type of engineering is Beach nourishment? |
Soft engineering |
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What type of engineering of Sand dune regeneration? |
Soft engineering |
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What type of engineering is Managed retreat? |
Soft engineering |
