I happened to read a USGS article, [How much water is there on, in, and above the Earth?][1] showing a representation of all the water displayed as a sphere as shown below.

![USGS water on earth representation][2]


 I find it hard to believe although the site has given good statistics for it. Is this a correct representation or is it a map gone wrong?


  [1]: http://ga.water.usgs.gov/edu/earthhowmuch.html
  [2]: https://i.sstatic.net/eIvFF.jpg