<body> Water Scarcity
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Is Our Blue Planet Drying Up?
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Designer: Saryoma

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OWNERS FROM MSHS 2CHARLES

TONG SHAO WEI (36)
EDMUND MONG (8)
14
1995


PAST TIMES

August 2009

SOURCES

Drought
Water Scarcity
Global Warming
WHO Water Scarcity
FAO Water
Peak Water


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MY COLORFUL DAY.../ Monday, August 3, 2009



Peak water (Water Scarcity) is reached when the rate at which water is demanded is higher (High Population growth) than the rate at which the supply is replenished.

Here is an article quoted from Wikipedia: "India has 20 percent of the Earth's population, but only four per cent of its water. Water tables are dropping fast in some of India's main agricultural areas. The mighty Indus and Ganges rivers are tapped so heavily that, except in rare wet years, they no longer reach the sea.

India has the largest water withdrawal out of all the countries in the world. Eighty-six per cent of that water goes to support agriculture.That heavy use is dictated in large part by what people eat. People in India consume a lot of rice. Rice farmers in India typically get less than half the yield per unit area and they use 10 times more water than their counterparts in China do. Economic development in some ways makes matters worse. As people's living standards rise, they tend to eat more meat. But it takes tremendous quantities of water to raise animals for food. Growing a tonne of grain requires 1,000 tonnes of water. To produce a tonne of beef takes 15,000 tonnes. To make a single hamburger requires around 4940 liters (1,300 gallons) of water. A glass of orange juice needs 850 liters (225 gallons) of fresh water to produce."

India is a typical example of a country experiencing Peak Water. "India has 20 percent of the Earth's population, but only four per cent of its water." This is a serious problem that needs to be solved. [More people = More demand of supply of water -----> But low supply of water = low agriculture production] We hope more people will know the experience of water scarcity and save more water.




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Introduction:

The aim of this project is to study in detail how water cycle affects the agricultural production of a country. I am Edmund Mong (8) and my partner is Tong Shao Wei (36). This blog will explain in detail, on how water cycle affects the agricultural production of the world.



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According to the WWF, the combination of climate change and deforestation increases the drying effect of dead trees that fuels forest fires.

Famine due to lack of water for irrigation

Agricultural droughts are droughts that affect crop production or the ecology of the range. This condition can also arise independently from any change in precipitation levels when soil conditions and erosion triggered by poorly planned agricultural endeavors cause a shortfall in water available to the crops. However, in a traditional drought, it is caused by an extended period of below average precipitation.



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The total amount of available freshwater supply is decreasing because of climate change, which has caused receding glaciers, reduced stream and river flow, and shrinking lakes. Many aquifers have been over-pumped and are not recharging quickly. Although the total fresh water supply is not used up, much has become polluted, salted, unsuitable or otherwise unavailable for drinking, industry and agriculture.



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Factors for Water Scarcity

1) The following factors resulted in Water Scarcity:

2)Climate Changes (Global Warming) - Decrease in Rain Fall.

3)Increased usage of water - bathing, washing clothes.

4)Increased human population- more water is needed to support the growing population.

5)Environment pollution- Littering will pollute the water and make it un-usable.

6) Reduction of forest - Deforestation - According to the World Wide Fund for Nature (WWF), the combination of climate change and deforestation increases the drying effect of dead trees that fuels forest fires.

7) Utter waste of water - Playing with water.




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How to slow

Global Warming down?

3Rs – Reuse, Reduce, and Recycle.

Stop Deforestation

Stop Littering and dumping of wastes in rivers.




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