Lyme Regis Hard engineering
- Created by: aldoman
- Created on: 17-04-13 19:35
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- Lyme Regis Hard engineering
- Strategies
- construction of Cobb sea wall
- 36000 tonnes of rock armour to absorb wave energy and slow erosion rate
- 71000 tonnes of beach shingle to replenish beach
- 41000 tonnes of beach sand to nourish coast
- Drainage system put in place to prevent slope saturation
- Disadvantage
- expensive to build and maintain
- many structures such as groynes prevent deposition of material further down coast resulting in coastal retreat
- can obstruct the natural landscape
- Cost benefit analysis
- 4000 residents to protect
- £33 construction costs
- rely heavily on tourism
- advantages
- help prevent coastal erosion and maintains residents homes and livelihoods
- improves access to the beach
- more sand and shingle on the beach
- Strategies
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