Boscastle Case Study Flashcards
What happened in Boscastle?
A flash flood
When did a flash flood occur in Boscastle?
August 16th 2004
Where is Boscastle located?
North Cornwall
South West UK
What are reasons for the flash flood?
Steep valley sides Lack of vegetation Heavy rainfall Impermeable rocks Saturated ground
How many died in Boscastle?
0
What were social impacts?
84 cars destroyed
58 houses flooded
What are economic impacts?
£2 billion infrastructure damage
25 businesses destroyed
Less tourism
What are environmental impacts?
4 bridges destoryed
Trees uprooted
What were reponses to Boscastle?
7 RAF helicopters rescued 120
Sandbags used
Diggers cleared debris
£10 million spent on improving flood defenses
What humans factors caused the flash flood?
Sewer systems overwhelmed
Streets increased surface runoff
`What physical factors caused the flash flood?
Torrential rain
Ground saturated
Steep valley