GCSE geography rivers revision

Bangladesh flooding- 2004

Case study

General causes:

• heavy rain
• melting of snow from the Himalayas
• Deforestation-increases surface run-off
• Buildings built on flood plains

Specific causes: the main causes for the 2004 flood:

• The monsoon arrived early
• Flood waters had drained south wards and the capital began to flood

Impacts:

                          Social:

• 30 million people were made homeless
• 1070 people died, from drowning, snake bites and diarrhoea
• Lots of crops were badly damaged

                       Environment:

• 66…