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382920
Boscastle Case Study
Descrição
GCSE Geography Mapa Mental sobre Boscastle Case Study, criado por abby.shackell em 23-11-2013.
Sem etiquetas
geography
geography
gcse
Mapa Mental por
abby.shackell
, atualizado more than 1 year ago
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Criado por
abby.shackell
quase 11 anos atrás
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Resumo de Recurso
Boscastle Case Study
Is in North Cornwall
It flooded on the 16th August 2004
Causes
There were no trees so no interception by vegetation.
It's situated on the confluence of the River Jordon and the River Valency
The river is of small width
It is in the middle of the valley so lots of surface run-off which meant there was a short lag time
Drainage Basin
The river goes right through the village so there is a short lag time
The village is at the mouth of the river
There was unusually wet weather
Impacts
Financial
rescue operation- helicopters, lifeboats, fire service
Loss of cars
Damage to homes, businesses and land
Environment
Local habitats detsroyed
Costal pollution - debris and fuel from cars
Solutions
Tree Management
Area for river to deposit sediment
Enhanced habitat for animals
Car park with permeable surface
River bank widened
Road and drainage improvement
Existing car park raised
Riverwall
Lower bridge removed
Sewer removed
Extra Info
the rescuers worked for 18 hours and saved 100 lives
1 months worth of rain in 2 hours
Rained continuesly for 6 hours
8 inches of rain in 1 day
3 1/2 inches of rain in 1 hour
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