日本財団 図書館


1. Sponsor's logo

The Nippon Foundation

 

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2.Project logo

APDA

 

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3.Title

Water is Alive―Population and Water Resources

 

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Prologue

 

4.Water and the Earth

 

The earth is known as the ''water planet.'' Some two-thirds of the earth's surface is covered with water.

 

5. Illustration

The volume of sea water and freshwater on the earth

 

How much water do you suppose there is altogether? Actually, there are about 1.38 billion cubic kilometers of water on the earth, 97.5%, or about 1.35 billion cubic kilometers, of which is contained in the oceans. The remaining 2.5%, about 35 million cubic kilometers, is in the form of freshwater on land surfaces and in the atmosphere.

 

 

 

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