Causes of flooding in Bangladesh
- Created by: DanielleBurkett
- Created on: 10-04-14 14:34
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- Causes of flooding in Bangladesh
- Physical
- Snowmelt from the Himalayas takes place in the late spring and summer
- Bangladesh experiences heavy monsoon rains, especially over the highlands
- Tropical storms bring heavy rains and coastal flooding
- 70% of the total area is less than 1 metre about above sea level.
- 10% of the land area is up of lakes and rivers.
- Most of the country consists of a huge flood plain and delta.
- The main cause was the above average and long period of heavy rain which caused all 3 rivers to have their peak flow at the same time.
- Cyclones causes coastal flooding.
- Human
- Deforestation in Nepal and the Himalayas increases run off and adds to deposition.
- Urbanisation of the flood plain has increased magnitude and frequency of floods.
- The building of dams in India has increased the problem of sedimentation in Bangladesh.
- Global warming is blamed for sea level rise, increased snow melt and increased rainfall in the region.
- Poorly maintained embankments (levees) leak and collapse in times of high discharge.
- Physical
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