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LEDC Asia flood (Physical Causes (Monsoon came early,
heavy rainfall 169…
LEDC Asia flood
Physical Causes
Monsoon came early,
heavy rainfall 169.5mm 24 hours,
900mm July
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Long rainfall caused saturated ground,
increasing discharge
Peak discharges of river Ganges and Brahmaputra coincided, high discharge
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Human Causes
Nepal deforestation, less rainfall intercepted
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Social Impacts
2000 dead, many people were reluctant to evacuate (always floods)
Wells became polluted, 100,000 caught water diseases
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112,000 houses destroyed (mud bricks became saturated)
4000 schools affected, 44 schools destroyed
Economic Impacts
Cost around $1 billion
10,000 km of road became destroyed
Factories closed near Dhaka , rice farming workers unemployed
Livestock killed, many lost livelihoods
Environmental Impacts
Rivers polluted, silt deposited on fields