Yes they're pretty clearly subsets of each other. There's a better graphic on this page: https://www.usgs.gov/special-topics/water-science-school/science/where-

Yes they're pretty clearly subsets of each other. There's a better graphic on this page: https://www.usgs.gov/special-topics/water-science-school/science/where-earths-water https://www.usgs.gov/special-topics/water-science-school/sci... Direct link: https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/wss-where-is-earths-water-barchart.png?itok=C2EMUiCp https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/... That one actually has percentages on the subsets too for interesting differences like glacier and icecap volume vs ground water (which I think still excludes the kind of deep mantle water mentioned up thread because it's not usably extractable).