Flooding In Bangladesh

Question 1

Where is Bangladesh located?

Answer 1

• West of India
• South of Nepal
• Continent of Asia

Question 2

What causes the flooding?

Answer 2

•Snow melt from the Himilayas
-More surface run off and quicker
-More discharge
•Deforestation in Nepal
-Decreases interception
-Greater surface run off
•Urbanisation in Ohaka
-Increases impermeable surfaces
-Increases surface run off
•Global warming
-Increased Monsoon rainfall
-Increased summer snowmelt

Question 3

What impacts does the flooding have (2004)?

Answer 3

•600 people died
•$7 billion damage to schools and hospitals
•Embankment broke
-Flooding in rural areas like Ohaka
•30 million left homeless
-Poorly build shanty houses
•700,000 hectares of farmland destroyed 
-Food shortage - Increase in prices
•Airports and roads closed
•Sanitation systems destroyed
-100,000 in Ohaka suffered from diarrhoea 
-Death till rose to 750

Question 4

What methods are used to manage flooding?

Answer 4

• The creation of earth embankments (artificial levees) along the river to increase channel capacity and restrict flood waters
• Sluice gates to allow some flood water through for use and ease pressure on embankments
• Constructing flood protection shelters to shelter people and animals
• Emergency flood warning systems and plans to organise rescue and relied services
• Providing emergency medical stores in villages
• Building flood proof storage sheds for grain and other supplies