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How much water is on Earth?
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tetra paks

Published Monday, March 25, 2013.
Last updated: Monday, March 25, 2013

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How much water is on Earth?

Published Thursday, May 17, 2012.
Last updated: Thursday, May 17, 2012

Water Science Photo Gallery
How much water is on Earth?


If this bubble burst:

If you put a (big) pin to this bubble, and the water flowed out to cover the contiguous United States (lower 48 states), the new "United States Ocean" would be about 107 miles deep.

This drawing shows the size of a sphere that would contain all of Earth's water in comparison to the size of the Earth. The blue sphere sitting on the United States, reaching from about Salt Lake City, Utah to Topeka, Kansas, has a diameter of about 860 miles (about 1,385 kilometers) , with a volume of about 332,500,000 cubic miles (1,386,000,000 cubic kilometers). The sphere includes all the water in the oceans, seas, ice caps, lakes and rivers as well as groundwater, atmospheric water, and even the water in you, your dog, and your tomato plant.

Are you surprised that this water sphere looks so small? It is only small in relation to the size of the Earth. Remember, this image is a representation of 3 dimensions, so you are looking at volumes. What it does show is that, in comparison to the globe, the oceans lie in a "thin film" of water on the outer surface.

The data used on this page comes from Igor Shiklomanov's estimate of global water distribution, shown in a table below the image.

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Published Monday, February 06, 2012.
Last updated: Friday, April 27, 2012



Comment By Bluebell 

I think the adults were ashamed of themselves.

Published on Tuesday, February 07, 2012
Comment By Milie  

I think the teenage girl made them think.

Published on Tuesday, February 07, 2012
Comment By Camila 4E 

I think we should all save the world from now on.

Published on Tuesday, February 07, 2012
Comment By The Aguilars 

We all should see this video and not forget that we still have hope, we still have a chance to change humanity. We think that everyone in Patana should watch this video to see an example on what kids can do to make a change, we don't have to leave it for the adults, we can make a difference for the world.

Published on Tuesday, February 07, 2012
Comment By Neil Edmund Parker 

The adults don't seem to be doing too well right now, so you kids are our greatest hope. No pressure!

Published on Wednesday, February 08, 2012
Comment By reese 4m 


Published on Friday, April 27, 2012
Comment By Daniel 3A 

we shood save the the world and stop killing nature

Published on Tuesday, May 08, 2012
Comment By Khushi 6-h 

I think we should all see it

Published on Saturday, August 24, 2013
Comment By Shriya 

We can make a difference if we try, but sometimes we just leave it to the adults. :(

Published on Friday, September 27, 2013

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