Boscastle flood Flashcards
1
Q
When did it happen?
A
2004
2
Q
Where is Boscastle?
A
Small town in North-West Cornwall
3
Q
What is a flash flood?
A
A sudden local flood, normally due to heavy rain
4
Q
What were the short term effects of the flood?
A
-75 cars and 6 buildings washed into sea
- boats lost
- 150 people had to cling to trees and roofs to avoid being swept away by water
5
Q
What were the long term effects of the flood?
A
- reduced tourism and fishing
6
Q
What % of Boscastle’s economy is from tourism?
A
90%
7
Q
What were the events of the flood?
A
- Banks of river Valency break
- 3 meter wall of water comes through Boscastle car park at 40mph
- rescue helicopters came to save people on trees and roofs
8
Q
How did Boscastle reduce the risk of any future floods?
A
- £4.5 million spent on improvements
- car park raised in height
- buildings rebuilt
- river deepened and widened
9
Q
What river caused the Boscastle flood?
A
River Valency
10
Q
What were the natural causes of the flood?
A
- 89mm of rain fell in 1 hour
- ground was saturated
- narrow river channel
11
Q
What were the human causes of the flood?
A
- narrow brides limited channel flow
- settlement was located on a narrow floodplain
