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Flashcards in Boscastle Flood Deck (5)
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1

What date did Boscastle Flood?

16th August 2004

2

What were the causes of the Boscastle floods? (5)

1. The local area was saturated by weeks of rainfall - 15mm of rain fell in 15 minutes at Lesnewth near Boscastle
2. Confluence of 3 rivers in Boscastle increased discharge (Jordan, Valency and Paradise)
3. Steep V shaped valleys increases runoff
4. Impermeable underlying rock reduced infiltration
5. Car parks either side of the Valency increased surface runoff

3

What were the effects of the Boscastle floods and categorise them in S.E.E.P. (6)

1. 3 metre wall of water destroys infrastructure (homes, offices, bridges) sweeping out to sea - Social, economic, environmental
2. No deaths - social
3. Visitor centre collapsed - Economic
4.Homes devalued and insurance up, £15m in damages and claims - social, economic
5. Silt and debris was left after flood waters subsided - environmental
6. Tourism reduced. This was a serious cost for a small community with seasonal employment problem, over reliant on summer tourism - economic

4

What were the Short term responses after the Boscastle flood? (7)

- Environment agency issues flood warnings
- Falmouth Coast Guard mobilised
- Lifeboats and motorised dinghies go house to house rescuing people and check cars out to sea
- RAF helicopters from Chivenor saved 150 people
- Fire brigades and police on the scene within an hour
- Temporary accommodation set up on Boscastle football pitch
- Rapid evacuation

5

What were the long term responses after the Boscastle flood and caterogise them into S.E.E.P.

- North Cornwall District Council banned Boscastle residents from returning to even look at their homes for the first ten days, while structural engineers inspected properties - social
- Insurance and compensation was provided for businesses and homeowners. These 'disruption to trading' claims amounted to £15m. - Economic
- Telephone, water, electricity and gas supplies were all reinstalled within six months - Social
- Within 6 months residents were home, following extensive clear up removal of silt and debris (76 up-ended cars on village green - social, environmental