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  • Created by: Anya
  • Created on: 09-05-14 18:44
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  • Flooding
    • Prolonged rainfall
      • Soil becomes saturated. Rain cant infiltrate
    • Building construction
      • Buildings are impermeable surfaces. Increase surface runoff
    • Relief
      • Water reaches river more quickly on steep sided valley
    • Deforestation
      • Trees intercept water, take up water from ground . Cutting down trees increases volume of water reaching river


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