Part 7: Managing rivers Flashcards
1
Q
- What does sustainable mean?
A
a. Something which is good socially, economically and environmentally now and in the future
2
Q
- What is soft engineering?
A
a. Using natural methods to manage rivers
3
Q
- What is hard engineering?
A
a. Using manmade structures e.g. dams to manage rivers
4
Q
- What is a flood wall?
A
a. A wall along the side of a river
5
Q
- How does a flood wall work?
A
a. It stops the water rising over the banks
b. Protects homes and businesses from flooding
6
Q
- Is a flood wall hard or soft engineering?
A
a. Hard
7
Q
- What are the advantages of flood walls?
A
a. They prevent floods
b. Don’t take a lot of space
8
Q
- What are the disadvantages of flood walls?
A
a. Expensive
b. Look unnatural
9
Q
- What are embankments?
A
a. Mounds of earth next to a river
10
Q
- What is the other word for an embankment?
A
a. A levee
11
Q
- What are the advantages of embankments?
A
a. They can look more natural
b. They can protect farmland
12
Q
- What are the disadvantages of embankments?
A
a. Can be eroded
b. Can be expensive
13
Q
- Are embankments hard or soft engineering?
A
a. Hard
14
Q
- What are flood barriers?
A
a. Gates which can be closed to stop a river flooding
15
Q
- What are the advantages of flood barriers?
A
a. They are very good at stopping floods?
