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Costal Defence

When managing the coastline there are two main options:
1. Hard Engineering, where manmade structures are used to reflect large amounts of
wave energy and thus protect the coastline
2. Soft Engineering, where beaches and other natural material are used to control or
redirect erosion processes. See:…

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Revetments
Breaks the force of waves and beach material builds up
behind them
Cheap
More effective than sea walls
Visually intrusive
Need to be replaced fairly often


Soft Engineering

Beach nourishment
Beach material is added to provide a `natural solution'
Maintains beauty of landscape
Expensive to maintain and longshore drift…

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