geography: river case study

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  • Created by: abi
  • Created on: 05-04-13 14:06
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  • Boscastle (August 16th 2004)
    • Effects
      • 25 businesses destroyed
      • 50 buildings damaged
      • 115 cars washed away
      • Damage to tourism
    • Physical
      • Small catchment area
      • Saturated soil, rapid surface run-off
      • Strong convection, big thunderclouds by converging winds
      • Steep valley sides; encourages surface run-off
    • Human
      • Artifical narrowing, reduces its capacity
      • c
      • Bridges that caused blockages
    • Managment
      • £4.6 million spent on flood defences
      • Widened the river
      • Remove trees near  the river
      • Raise the car park
      • New defence wall
      • Widened the bridge

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