Rivers

HideShow resource information
  • Created by: JJrugby
  • Created on: 23-04-15 09:39
View mindmap
  • Rivers
    • Flooding
      • Boscastle Flood
        • 16th August 2004
        • Cornwall, South-West of England
        • Causes
          • Tide was high so the water couldn't drain
          • 3 rivers join just before the village
          • Heavy localised rainfall. 89mm fell in an hour and 5 inches in7 hours
          • Saturated ground from previous rainfall
          • Topography of the land: V-Shaped valley, no flood plain etc
        • Impacts
          • 75 cars and 6 buildings were washed into the sea with also many boats lost
          • 150 people were rescued by 7 helicopters
          • Flood defence scheme costing £4.5m in spring 2008
            • Lowered and widened the river channel
            • The car park was up stream of the village
            • The bridge was rebuilt
            • Improved underground drainage system
      • Flood Management
        • Hard Management
          • Raise Embankment size
          • Dam building
          • Levees
          • Engineering
        • Soft Management
          • Planting trees
          • Sand bags
          • Land use zoning
      • Mississippi Floods 2011
        • Thousands of square miles of agricultural and residential land were submerged by water
        • Total damage is billions of dollars and 50,000 people evacuated
      • Bangladesh Flood strategy
        • Building of several dams and 12-15 storage basins developed
        • Pumping of water to create storage for monsoons

Comments

No comments have yet been made

Similar Geography resources:

See all Geography resources »See all Rivers and fluvial processes resources »