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The Water Cycle in Bangladesh

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Mia De Sousa

on 8 November 2012

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Transcript of The Water Cycle in Bangladesh

Mia and Claire The Water Cycle in Bangladesh South Asia, next to India with a coast line on the Indian Ocean

About 144,000 km squared Location of Bangladesh Developing relationship

Imports and exports of trade

Combating terrorism agreement

Sporting links Australia's relationship with Bangladesh 3 main river systems; Ganges, Brahmaptura and Meghna

All join and empty into the Bay of Bengal Water Cycle and Rivers A term to describe used to describe the change in global weather patterns mainly caused by human activities

Increases temperature, causing sea levels to rise Climate Change
Definition Only about 1% of total water resources is being withdrawn for human use.

86% of this water is used for agriculture, 12% for domestic water supply such as cleaning, hygiene, drinking water, ect and 2% for industry.

However since it is estimated Bangladesh’s population will increase rapidly in the next few decades means that the demand for water is increased. Water uses in Bangladesh Demographics Population: 160 million

7th highest population in the world.

41% of the population lives on less that a dollar a day Main river in Dhaka: Buriganga Water Availability During the monsoon, there is an excess amount of surface water which floods and replenishes the soil with silt

In the dry season water is scarce

97% of Bangladeshis have access to water points Climate change in Bangladesh is a crucial issue as it is a low-lying country

Ranks as the most vulnerable country to the affects of climate change

Most parts of Bangladesh are only 12m above sea level

If the sea rises by 1m, it is believed 10% of the land would be flooded Climate Change in Bangladesh If the sea water floods into the main clean water sources of Bangladesh, it will make it salty and unusable.

Killing plants
and making it unusable for agriculture and drinking purposes. Another effect of climate change on the water cycle:

Temperature rise would melt more ice that feed the 3 main rivers in Bangladesh, causing these rivers to overflow.

This could destroy the houses of people that inhabit the river banks, crops and buildings. Flooding of the rivers would also erode the river beds. Effects of Climate Change Water Conditions Slowly becoming more sanitary

However, everyday 20 000 metric tons of human excreta is deposited in waterways

The majority of Bangladesh’s water is supplied by the main rivers running through the land.

Many rivers in Bangladesh are also heavily polluted from extensive dumping of industrial and human waste.

The river mentioned before, the Buriganga, is one of the most polluted rivers in Bangladesh. Climate Change impact in Australia Australia will also have to deal with the effects of climate change in Bangladesh as many people will become displaced and in need relocation.

Australia may have to take in ‘climate refugees’,

The effects of climate change may also disrupt trades between the two countries Summary It is a crucial issue, as slight temperature changes can cause the sea to rise

Impact on water cycle:
- increase water vapours
- change in the precipitation pattern
- higher river falls
- increased risk of natural disasters
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