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Lots of things effected Bangladesh such as:

  • Animals drowned as high up ground was barely big enough to hold people, let alone animals!
  • Diseases such as cholera and diarrhoea spread widely.
  • After the flood the country was left with a deficit of 2.2 million tonnes of rice.
  • Large areas of farmland were swept out to sea.
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13y ago
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12y ago

Physical Causes:

® Most of the country consists of a huge flood plain and delta. 70% of the total area is less than 1 metre above sea level and 10% of the land area is made up of Lakes and Rivers.

® Snowmelt from the Himalayas takes place in late spring & summer.

® Bangladesh experiences heavy monsoon rains, especially over the highlands.

® Tropical storms bring heavy rains and coastal flooding.

® The main cause was the above average and long period of heavy rain which caused all 3 rivers to have their peak flow at the same time. (The depth of the Ganges in July was 13m, just below the flood level of 14m but rose to 15m in August. The Brahmaputra exceeded its flood level of 15m in July and again in August and September. The Meghna was above its flood level of 6m for the whole of July, August and September.)

Human Causes:

® Deforestation in Nepal and the Himalayas is believed to be responsible for the increased soil erosion which has led to large amount of silt being washed into the rivers and subsequently being deposited on the river bed, reducing its channel capacity and increasing the likelihood of flooding.

® Urbanisation of the flood plain has increased magnitude and frequency of floods.

® The building of dams in India has increased the problem of sedimentation in Bangladesh.

® Global warming is blamed for sea level rise, increased snow melt and increased rainfall in the region.

® Increasing population pressure in Bangladesh its self has resulted in the sinking of many new wells resulting in the lowering of the water table and the subsequent subsidence of land making it even more prone to flooding.

® Bangladesh is an LEDC and its lack of money and heavy national debt means that little money is available to spend on flood protection methods/defenses and many existing defenses lack upkeep and are of questionable use. Poorly maintained embankments (levees) leak and collapse in times of high discharge.

Short Term Impacts:

® International food aid programmes were set up in order to provide the distribution of free seed to farmers by the Bangladesh government to try and reduce the impact of food shortages - the government also gave 350,000 tonnes of cereal to feed people. Many volunteers and aid workers worked to try and repair flood damage.

® Constructing flood protection shelters (large buildings raised above the ground) to shelter both people and animals, emergency flood warning systems and plans made for organizing rescue and relief services)

® Providing emergency medical stores in villages building flood proof storage sheds for grain and other food supplies.

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6y ago

Heavy and continuous rainfall in the mountains in India. River beds were full (was not drazed regularly). Above <sea level> hight in Bangladesh in places are from 1 meter to 5 meters, No good drainage system to take the water out. Lack of experience, infrastructure and fund are other reasons.

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15y ago

it was in July 1998 til September 1998...hope that helps

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14y ago

Heavy intense monsoon rainfall and snowmelt followed by heavy rains in September. These caused Excess water in Bangladesh's major rivers, which then flooded.

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12y ago

The Bangladesh flood happened Dhaka and lots of more places. The flood took place in 1998 between July to September.

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13y ago

Because of monsoons.

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14y ago

Because of monsoon rainfall

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14y ago

15th of July 1998

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Q: What were the effects of the Bangladesh flood in 1998?
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