Boscastle 2004 Flashcards

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1
Q

physical reasons for the flooding

A
  • a very wet august - ground saturated
  • impermeable rocks & thin soils
  • steep slopes - rapid runoff
  • confluence of rivers valency & Jordan is just above the village
  • a very high tide - made it difficult for water to flow out to sea
  • 6 cm of rain fell in two hours
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2
Q

does it have a long or short lag time

A

very short lag time

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3
Q

human reasons for the flooding

A
  • bridges were low so acted as a dam - debris such as tree trunks caught on them until it burst through in a great wave
  • many buildings & roads were positioned close to the river so more property damage
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4
Q

primary impacts

A
  • 50+ cars, and caravans were swept out to sea
  • a wall of water swept through the village destroying everything in its path
  • 6 buildings were swept away
  • many other houses, shops etc were flooded, with mud + sewage as well as water; possessions also ruined
  • no deaths, few serious injuries
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5
Q

secondary imapacts

A
  • 90% of economy dependant on tourism > lost money > 20 accommodations providers & tourist attractions/shops forced to shut
  • insurance companies pay out £20 million
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