Flooding causes

Human causes, Physical causes, Causes of flooding in Carlisle and in Bangladesh

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  • Flooding Causes
    • Physical causes
      • Intense rainfall
      • Prolonged rainfall
      • Relief (land shape)
      • Vegetation
      • Geology
      • Soils
      • Snowmelt
      • Steep slopes
      • Low ground
      • Basin shape and size
      • Climatic hazards bring large precipitation
    • Human causes
      • Urbanisation
      • Deforestation
      • Change in land use
      • Ploughing
      • Sewers
      • Stream straightening
      • Building bridges (slows down river flow)
    • Causes in Carlisle
      • Prolonged heavy rain over the Pennines and Cumbrian Mountains
      • Impermeable rock
      • Thin soil
      • Steep slopes in the Basin
      • Dense drainage network
      • Low lying flood plain
      • Urbanisation
    • Causes in Bangladesh
      • Monsoon Climate
      • Spring Snow-melt
      • Deforestation in Headwater Areas
      • Rivers Silt-up due to soil erosion increase
      • 80% of Bangladesh is on a Floodplain and Delta
      • Cyclones are frequent

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