hard and soft engineering Flashcards
1
Q
what is hard engineering?
A
Human interference with the coastline
2
Q
What is soft engineering?
A
natural method of coastal defence
3
Q
Name the soft engineering strategies.
A
- marsh creation
- Do nothing
- Beach nourishment
- Dune regeneration
4
Q
Name the hard engineering strategies.
A
- revetments
- groynes
- curved sea wall
- rip rap (Rock armour)
- Offshore breakwater
5
Q
What is. Marsh creation?
A
Creation of salt marshes
6
Q
What is beach nourishment?
A
Adding sand or shingle to a beach
7
Q
What is dune regeneration
A
Adding marram grass t sand dunes
8
Q
Wha is revetments?
A
Offshore groynes
9
Q
What doo groynes do?
A
Trap sand and build up beach
10
Q
What does a curved sea wall?
A
Reflects wave energy
11
Q
What does rip rap do?
A
Disturb wave energy
12
Q
What are offshore break waters?
A
Offshore congregate wall
