Geography- case study-WOL- flooding- bangladesh Flashcards Preview

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Flashcards in Geography- case study-WOL- flooding- bangladesh Deck (6)
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When did it take place?

2004

1

What were the short term responses?

-local people began to rebuild homes
-within Bangladesh food supplies medicines, clothing and blankets were distributed as well as water purification tablets
-United Nations appealed $74 million but only got 20%

2

What were the long term responses?

-flood action plan out in place (flood warnings, provision of food and shelter)
-buildings raised above sea level
-crops that survive in floods are grown (jute crops)

3

Effects of the flooding

-750 deaths
-30 million people left homeless
-100,000 in Dhaka suffered from diarrhoea
-crops devastated
-bridges, major roads and airport destroyed

4

What are the physical causes?

-Monsoon climate (350mm of rain in 24 hours)
-soils are leached (less interception)
-baked soil
-Bangladesh is a low lying country
-snow melted in summer from spring
-three major rivers (Megha, Ganges and Brahmaputra)

5

Human causes of the flooding

-Deforestation (reduced evapotranspiration)
-Ganges had been diverted for irrigation purposes (removed silt)
-silt built up due to increased soil erosion

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