Flooding
floods
- Created by: Emily Birt
- Created on: 21-04-13 19:37
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- Flooding
- A flood
- A flood occurs when a river breaks it banks and water spills out onto the floodplain
- Physical causes
- Impermeable rock
- High density drainage basin
- Or a steep sided drainage basin
- High or prolonged amount of rainfall
- Human Causes
- Urbanisation
- Deforestation
- Lack of effective river management (lack of dredging)
- Short term effects - positive
- Flooding deposits fine silt - makes land fertile which is good for agriculture
- Construction companies gain business from destruction caused by flood
- Negative effects
- Loss of Life
- Property and buildings are destroyed
- Infrastructure (e.g roads) are damaged
- Loss of shelter
- Loss of drinking water supply
- Long term effects
- Disease Spreads
- Poverty cycle
- In poor countries - migration from flood prone areas to shanty towns
- Local economy damaged
- Flood management schemes are set up
- A flood
- Physical causes
- Impermeable rock
- High density drainage basin
- Or a steep sided drainage basin
- High or prolonged amount of rainfall
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