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On

Floods in Bangladesh

Md. Hanif Bhuian

Department of Geography & Environment Jagannath University

Dhaka, Bangladesh

Natural Disasters of Bangladesh

A flood is over flow of water that submerges land which is usually dry.

Flood

Source: http://njb.nl/blog/een-rechtszaak-uit-liefde.10596.lynkx

Types of Flood

Monsoon floodFlash flood

River flood Tidal Flood

Causes of flood

-- Increase river water-- Field covered by over-flow of water

Heavy rainfall

Dam failure

-- Suddenly broke river dam, which becoming flooded.

Causes of flood

Siltation

-- decrease the density of river.-- water level will up-coming day by day.

Snow melting

-- Ice melting -- rise in sea level and becoming flooding.

Some Terrible Floods in Bangladesh

In 1974: 2000 people died,58% Region was flooded. Famine come after the flood and more than 30 thousand people was dead of starvation .In 1984: 52% areas was flooded.In 1987: 50% areas was flooded more than 2055 people was dead.In 1988: 61% area was flooded, 40lac people lost their house, and about 2000 to 6500 people was dead.In 1998: 53% area was flooded and about 1,100 people was dead. In 2004: 38% area was flooded and 3.8 million people was disrupted.

Source: http://www.jeeon.com/index.php?option=com_content&task=view&id=912&Itemid=475

Effects of Flood

-- Crisis of drinking water

-- Damage crops

Effects of Flood

-- Trees uprooted.

-- People become shelter less.

Effects of Flood

Agriculture field Road

-- Agriculture fields will go under Water-- Roads will go under Water

-- And it affected people, children by many water disease(ex-Diarrhoea, Cholera etc)

Steps to reduce flood

By dredging river beds

By digging canals

By creating embankments

Before flood

Collected Dry foodSaving moneyConscious about current news about flood

At the time of flood

Should be go nearest shelter centreDrink pure water and orsalainEat dry food

After flood

Repair Disrupted houseDon’t use flooding waterConscious for government and other NGOs help

Preparation to Management of flood

Flood Prone areas

Source: http://www1.american.edu/ted/ice/Bangladesh.html

Thank You