Coastal Management SE G1

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Soft Engineering - Beach nourishment

Description

> sediment brought in by local to blend in with existing beach, making it larger

Explain

> additional sand added to an existing beach make it higher

Advantages

> cheap & easy to maintain

> blends in with existing beach

Disadvantages 

> needs constant maintenance

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Soft Engineering - Dune Regeneration

Description

> sand dunes effective buffers to the sea

Explain

> marram grass planted to stabilise the dunes & help develop

Advantages

> cheap

> maintains natural coastal environment

Disadvantages 

> damaged by storms

> people not responding to keep away

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Soft Engineering - Managed retreat (marsh creation

Description

> grey sea wall allowing by low-lying coastal areas to be flooded

Explain

> low-lying coastal areas to be hooded by the sea to become salt marshes

Advantages

> cheap option

Disadvantages 

> land will be lost as it is flooded by sea water

> farmers/landowners will need to be compensated

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