Bangladesh Floods - Causes Flashcards
Most of the country consists of a huge……and……
Floodplain
Delta
What percentage of the land is less than 1 meter above sea level
70%
What percentage of the land is made up of lakes and rivers
10%
………from the Himalayas takes place in late spring & summer
Snowmelt
Does Bangladesh get a lot of rain
Yes, especially in the monsoon season
What was the main cause of the flood
The above average & long period of heavy rain which caused all 3 rivers to have their peak flow at the same time
Give 4 human causes of the flood
Deforestation
Urbanisation
Global Warming
Poorly maintained embankments
How did deforestation affect the flood
Less places for water to be intercepted or evapotranspiration
How did Urbanisation affect the flood
Increases magnitude and frequency of the floods
How did Global warming affect the flood
Blamed for sea level rise, increased snow melt & increased rainfall in the region.
How did embankments affect the flood
Harder for flood defences in LEDC’s
Poorly maintained embankment leaked and collapsed in times of high discharge
..cm rain in one day
35
How many people occupy the area the size of England and Wales in Bangladesh
160 million
