Bagladesh Flood Flashcards
What was the date?
July-Sep 2007
At peak what % of country did it cover?
50%
How big is the pop?
125 million
What 3 rivers converge in Bangladesh?
Ganges, Bramaputra + Meghna
What is the 1st physical cause of flooding?
Deforestation of Himalaya = decrease interception + decrease lag time = peak discharge
What was another physical cause?
Monsoon rainfall
What was the 2nd physical cause of flooding?
Tectonic uplift of hims = erosion rates of sediment increase = sediment dumped in Bangladesh choking river
Environmental impacts?
2.2 million acres of crop land damaged
1/2 million cattle + poultry lost
$290 million worth of crops damaged
Social impacts?
36 million made homeless
1110 killed
Caused of death = disease, snake bites, drowning + LS
7 million homes destroyed
Shortage of water + food
Economic impacts?
Overall cost of flood $7 billion
Damage to infrastructure
Rail + road links to Dhaka damaged
Short-term responses
Gov. Working with non-gov provided emergency relief
Saudi Arabia promised $50 million plus 5 planes of food + medicine
UN activated a disaster management team to coordinate activities of various UN agencies = supplied critical emergency supplies + damage need assessment
Long-term responses
SPARSO + flood satellite imaging systems = more warning given to Bangladesh by monitoring cloud cover
Improved drained canals
System of embankments along coast + river reinforced by concrete = channel capacity
