Case study for hard engineering - Lyme Regis Flashcards
1
Q
What is the coastline of Lyme Regis called? (LR coasts)
A
Jurassic coast
2
Q
What feature is Lyme Regis located on? (LR coasts)
A
The bay between Exmouth and Portland
3
Q
When was the landslide and how wide? (LR coasts)
A
2008
400m wide
4
Q
Why is defence needed? (LR coasts)
A
Winter storms attack the base of the cliffs and cause erosion
5
Q
What type of rock is the town built on? (LR coasts)
A
Hard limestone, but on top of the is slippery clay
6
Q
What is a reactive approach? (LR coasts)
A
Where defences are only put in place in the area that needs it most, creating a patchwork of different schemes
7
Q
How did Lyme Regis end up managing their coastline? (LR coasts)
A
- Proactive approach
- Combination of hard and soft engineering along the entire coast line
e.g Northwall Rockery was re-asligned and a new sea wall was built
8
Q
How must was the total cost? (LR coasts)
A
£30 million
