RIVERS bangladesh - natural and human causes of flooding (+&- effects) Flashcards
1
Q
(Human) what increases flood risk?
A
land clearance and deforestation (more discharge)
- fewer trees to intercept water
2
Q
(Human) how is global warming affecting flooding?
A
sea levels rising
- bangladesh is low lying
3
Q
(natural) what are the natural causes of flooding?
A
- melting snow
- tectonic activity
- monsoons
4
Q
why is Bangladesh so impacted by flooding?
A
- Monsoons between may and September
- Bangladesh lies right in the middle of river mouths (India and china)
- 1.7 million square kilometres rivers surrounding them (three great rivers) twelve times bigger than the country itself
- 2/3rds of land is less than 15ft above sea level
5
Q
is Bangladesh a floodplain?
A
- Bangladesh is giant flood plain
- Very flat and low lying
- High sea levels
-less than 15ft above sea level
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