Flooding

Question 1

Causes of flooding

Answer 1

• prolonged rainfall
• heavy rainfall
• relief
• geology
• vegetation
• urban land use

Question 2

Hard engineering strategies for flooding

Answer 2

Dams and reservoirs
River, straightening and dredging
Embankments
Flood relief channels

Question 3

Soft engineering strategies

Answer 3

Flood warnings and preparation
Floodplain zoning

Question 4

Case study for flood management

Answer 4

• boscastle, Cornwall
• august 2004 - massive flood

A flood defence scheme introduced
- £10 million
- widening and deepening the river channel
Clearing vegetation
Carpark raised