Reply to post: Re: 0.7% -- average ocean depth

Re: 0.7% -- average ocean depth

Thank you for your responses,

I mentioned Earth's mantle, because a few years back I remember watching a documentary which claimed potentially 7 times more water exists in the mantle than on the surface, however, new research suggests approximately the same amount of water exists between the upper and lower mantle boundary, which would mean, if true, that the figure should be doubled to 0.14% approx (not a fifth admittedly, and much lower than I originally thought).

https://www.newscientist.com/article/2133963-theres-as-much-water-in-earths-mantle-as-in-all-the-oceans/

Thanks for the article and the feedback, I'm off to do more research on this as it's fascinating stuff!