Part 5: Sea defences Flashcards
1
Q
- What is hard engineering?
A
a. Man-made sea defences
2
Q
- Name an example of hard engineering
A
a. Sea wall
3
Q
- What problems are there with hard engineering?
A
a. Expensive
b. Ugly
c. Can cause more erosion further along the coast
4
Q
- What are the benefits of hard engineering?
A
a. Protects property e.g. houses
5
Q
- What is soft engineering?
A
a. Sea defences made using natural materials
6
Q
- What are the advantages of soft engineering
A
a. More sustainable
b. Look more attractive
c. Cheaper
7
Q
- What problems are there with soft engineering?
A
a. Do not last as long
8
Q
- What are the two main types of soft engineering
A
a. Beach management
b. Managed retreat
9
Q
- What is beach management?
A
a. Replacing beach material
10
Q
- Name an example of beach management
A
a. Beach replenishment
11
Q
- What are the advantages of beach replenishment?
A
a. Natural defence
b. Attracts tourists
c. Cheap
12
Q
- What are the disadvantages of beach replenishment?
A
a. Does not last long
13
Q
- What is managed retreat?
A
a. Allowing areas of the coast to erode and flood naturally
14
Q
- What are the advantages of managed retreat?
A
a. Encourages the development of beaches and salt marshes
b. Cheap
15
Q
- What are the disadvantages of managed retreat?
A
a. Have to pay people whose land is lost
