Percentage Of Water To Land On Earth – Lock () or https:// means you are securely connected to the .gov website. Share sensitive information only on official and secure websites.
This image shows a blue sphere that represents the relative amount of Earth’s water compared to the size of the Earth. Are you surprised that this water sphere looks so small? They are only small compared to the size of the Earth. This image tries to show three dimensions, so each sphere represents a “volume.” They show that compared to the volume of the world, the amount of water on this planet is very small. Oceans only contribute a “thin layer” of water on the surface.
Percentage Of Water To Land On Earth
The largest sphere represents all of Earth’s water. It is about 860 miles in diameter (the distance from Salt Lake City, Utah, to Topeka, Kansas) and has a volume of about 332,500,000 cubic miles (mi).
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)). This sphere includes all the water in the oceans, ice caps, lakes, rivers, groundwater, atmospheric water, and even the water in you, your dog, and your tomato plant.
How much of that water is fresh water, which humans and many other life forms need to survive? The blue sphere above Kentucky represents the world’s freshwater liquids (groundwater, lakes, marshes, and rivers). The total comes to about 2,551,100 miles
), of which 99 percent is groundwater, most of which is inaccessible to humans. The diameter of this sphere is about 169.5 miles (272.8 kilometers).
Did you notice the “little” bubble over Atlanta, Georgia? That one represents fresh water in all the lakes and rivers on the planet. Most of the water that humans and Earth’s life needs every day comes from these surface water sources. The volume of this sphere is about 22,339 miles
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). The diameter of this sphere is about 34.9 miles (56.2 kilometers). Yes, Lake Michigan looks a lot bigger than this sphere, but you’d have to try to imagine a bubble almost 35 miles high—while the average depth of Lake Michigan is less than 300 feet (91 meters).
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