South Asia floods 2007
- Created by: charlia
- Created on: 26-04-15 16:50
View mindmap
- South Asia floods 2007
- Causes
- Human factors
- Deforestation in Nepal and the Himalayas
- Urbanisation due to migration
- Collapse of old earth dams caused further flooding
- Physical Factors
- Monsoon came suddenly after a very dry, early summer.
- Heavy rainfall, Assam had a record 169.5mm in 24 hours on 22nd July
- Long duration of heavy rainfall saturated soil increasing surface run off
- Peak discharges of River Ganges and Brahmaputra coincided increasing river discharge downstream
- Human factors
- Impacts
- Social
- Over 2000 people died - reluctant to evacuate, poor transport links, children couldn't swim
- Over 100,000 caught water-borne diseases
- 25million made homeless
- Environmental
- Rivers polluted with sewage
- Fertile silt deposited on the flood plain
- Economic
- 1Billion US dollars
- Factories closed, many of the poorest workers became unemployed
- Widespread loss of cattle, 80% of Bangladesh rely on agriculture
- Social
- Causes
Comments
No comments have yet been made