As geography revision for river flooding in an LEDC.

1. Social
•over 2000 pople died.
This could have been
becuase people were
reluctant to evacuate.
•Wells became polluted
causinga shortage in
clean water.10,000
people caught water
borne diseases.
•25 million were made
homeless.
•Children lost out on
education as 44
schools were totally
destroyed and 4000
were damaged.
Economic
•$1billion fordamages
includingcrops and
property.
•The closingof factories
left many
unemployed.
•80% of Bangladesh
rely on agriculture,
manylost their
livelihoods.
•550,000 hectares of
land couldn't be
planted on after the
flood duringpeek
time, so the global
price for basmati rice
rose by 10%
•100,000km of roads
destroyed.
Enviromental
•The flood deposited
fertile silt onto the
flood plain.
•Rivers were polluted
with sewage and
landfill waste.
Bangladeshcase studyforriverflooding
Phsycial
90% of land is less than 10m above sea
level.
Melting snow ice from the Himalayas.
The Monsoon came after a particularly
dry summer.
In 24 hours 165.9mm of rain fell (22nd
July) in July a total of 900mm fell.
Long duration of rainfall completely
saturated the ground increasing run off.
Human
Deforestation in Nepal and the
Himalayas meant that less water was
intercepted.
The growth of urban areas also
increased the run off.