382920
Description
Mind Map by abby.shackell, updated more than 1 year ago
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Created by abby.shackell
almost 11 years ago
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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
- 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
- There were no trees so
no interception by
vegetation.
- Impacts
- Financial
- rescue operation-
helicopters,
lifeboats, fire
service
- 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
- Local habitats detsroyed
- Financial
- 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
- Tree Management
- 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
- the rescuers
worked for 18 hours
and saved 100 lives
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