1c Bangladesh flooding Flashcards
Date
August 2007
Hazard
Monsoon rainfall - river floods
Percentage of country flooded
60%
Number of people living in the delta displaced
9 million
Where is flooding a recurrent hazard?
Ganges, Brahmaputra, Meghna
Annual monsoon rains and melting of glaciers = threat
Water borne disease death proportion in Bangladesh
1/4
Climate change
More extreme flooding in the future
More powerful cyclones
Rapid melting of snow and ice
Rising sea level
Flooding impact on disease
Direct impact on water supply and sanitation
Conditions which increase the incidence and spread of infectious diseases
2007 flood impact on disease and health
Epidemic of diarrhoea - 70,000 people
Typhoid and hepatitis - drinking water contaminated
100,000 hospital admissions
800 drowned
1/8 wells contaminated by sewage
Physical factors affecting flooding
Low elevation of the delta
High humidity and temperature
Lots of people close to aquatic environments
Socio economic factors affecting disease transmission
High rural population densities - exceed 1000 persons/km2
High levels of poverty - 40% survive on <US$1.25
Inadequate sanitation
Displacement of 14 million people
Short term relief
Government - food aid
UNICEF - drugs, saline solution and mobile health teams
Long term relief
100s of new tube wells drilled
93,000 damaged wells repaired
Millions of water purification tablets