Rivers Flashcards
1
Q
When was the Boscastle flood?
A
- 16the August 2004
2
Q
What are the causes of the Boscastle flood
A
- 8 inches of rain in 5-6 hours
- high temperatures/high rainfall
- V shaped valley
- 2 main rivers (Jordan and Valency) confluence
- impermeable rock
- narrow funnel
- saturated soil- groundwater table full
- trees cut down by the river- less interception
- failed to cut down down trees upstream which led to debris in river
3
Q
Effects/ impacts of Boscastle flood
A
- 0 deaths
- 8 minor injuries
- 4 buildings destroyed
- 150 cars wrecked
- 100+ people rescued
- 58 flooded properties
- £50million in cost/damage/loss of income
4
Q
Responses to Boscaslte flood
A
- Everyone rescued
- search + rescue
- temporary shelter- local leisure centre
- 8 helicopters- assisted