Boscastle flood 2004 case study
- Created by: emmataylorrr
- Created on: 03-05-14 17:28
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- Boscastle Flood
- Causes (Physical)
- PRECIPITATION
- 440 million gallons of water. 3h 45 mins lag time (short) Heavy, thundering showers- remnants of Hurricane Alex 8 inches of rain into the river. 8 hours long. 1 in 400yr event.
- RELIEF
- very steep valley sides "flashy catchment"
- VEGETATION
- Trees on valley sides but some roads without any. Less vegetation closer to the village
- TIDAL CONDITIONS
- Moist winds off sea
- ANTECEDANT CONDITIONS
- Ground saturated
- PRECIPITATION
- Effects
- SHORT TERM
- Roads blocked by floodwater- emergency access difficult Property destroyed by debris. People trapped in buildings- high risk of hypothermia. People homeless for the night. Burst sewage pipes and damaged buildings- not accessible for a few days due to health and safety risks. 0 deaths. over 100 cars moved.
- LONG TERM
- Possessions lost- thousands of £ of damage to 58 houses. Repairs needed to be made- time consuming and costly to local council (£2million). Closed to tourists after flood- loss of town's revenue. Tourism may never fully recover, loss of small businesses.
- SHORT TERM
- Responses
- Helicopter and other emergency rescue services.
- Rebuilding and repairs
- Flood management scheme- new culverts on river Jordan to hold more water. River Valency widened and deepened. Tree management and new car park and bridge. Cost £10 million
- Causes (Physical)
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