Causes of flooding in Bangladesh Flashcards
(10 cards)
Name one reason for the cause of flooding in Bangladesh, related to flood plains :
80% of Bangladesh lies on a huge flood plain, which is farmed intensely.
What are the 3 main causes of flooding in Asia :
- monsoon rains
- melting in the Himalayas
-Tropic cyclones and typhoons
How much rain is dumped by the monsoon , and over how many months ?
Between 1,500 - 5,000mm in 3-4 months
During which months does snow and ice melt in the Himalayas ?
March - May
How much water can a storm dumps in 2 days ?
1,000 mm
During which months does snow and ice melt in the Himalayas?
March - May
What makes the monsoon, melting and cyclones more frequent ?
Climate change and global warming
Name the human causes of flooding in Bangladesh (6)
- Urbanisation
- Deforestation in the Himalayas
- Loss of coastal mangrove forests
-Silting up of Ganges tributary - Ganges delta sinking
- River engineering upstream
Name the physical/ natural causes of flooding (4)
-The monsoon climate
- Cyclones
- Low-lying land
- Melting of snow and ice in the Himalayas
- Confluence of 2 major rivers
What does exacerbate mean ?
Make worse