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Thursday, February 17, 2011

Floods and Bangladesh - The Reasons

Bangladesh has a good connection with floods. Almost every year while monsoon, due to heavy rainfall and few other reasons floods occur in Bangladesh. But what is the reckon behind them?

Geographical Location and Condition: Bangladesh, the largest Delta of the world, is situated on the Ganges-Brahmaputra Delta. Many other Rivers and tributaries are flowing into the Bay of Bengal. The flooding results with the outburst of riverbanks of Bangladesh are tasteless and severely affect the landscape and Bangladeshi society.

News From Bangladesh

Climate: Bangladesh falls under tropical monsoon atmosphere zone and is one of the wettest in the world. Colse to 1,525 mm of rain is observed in a year, and areas near the hills explore Colse to 5,080 mm. Most rains occur while the monsoon (June-September) and wee in winter (November-February). This heavy rainfall twins with "Farakka Dam" on the Ganges causes the flood to occur Almost every year.

Controlling the normal flow of the Ganges: The Ganges got the birth from the Himalayas and crossed India and Bangladesh towards the Bay of Bengal. India is controlling the quarterly flow of the Ganges. while drought they are not allowing a normal water flow of the Ganges towards Bangladesh using "Farakka Dam". As a consequent the Padma (Bangladesh quantum of the Ganges) losses its quarterly flow or current causing mud to fall on its route to lessen the depth of the Padma. Now while the rainy season with the huge growth of water level in the Ganges India must publish a high volume of water straight through 'Farakka Dam' causing the Padma to overflow. Bangladesh Inundates under water.

Increase in world temperature: There are a lot of reasons causing world temperature going high. This influences the ice to melt and the sea level to increase. The Himalayas doing the same and causing the water level of the Ganges go higher and inundates quantum of Bangladesh Almost every year.

Deforestation: Deforestation in the Himalayas is aggravating floods in Bangladesh, India and Nepal. When the Himalayas were covered in woods the case of heavy floods was seen twice in a century in Bangladesh. With the deforestation in the Himalayas the average became once in four years.

o 19th century: Six major floods- 1842, 1858, 1871, 1875, 1885
o 20th century: Eighteen major floods- 1987, 1988, and 1995 were of catastrophic consequence.

For the reference I want to supply here some headlines of several medias about flood in Bangladesh.

o ''Bangladesh in grave danger: deforestation in Himalayas aggravating floods.'' (Bangladesh Observer, 2 June 1990)
o ''When the Himalayas were covered in trees, Bangladesh suffered a major flood about twice a century; one every four years is now the average.'' (Unep 1992)
o ''The severe floods in eastern India and Bangladesh are not the consequent of a natural disaster, but of a ruthless exploitation of wood which has been practiced over centuries in the forests of the Himalayas.'' (Basler Zeitung, 15 September 1998)

So these are the most productive reasons that causing flood in Bangladesh.

Floods and Bangladesh - The Reasons

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