Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 168.
The distribution of H2O in the Earth is under debate. Although liquid water covers 70% of the surface, the oceans represent only about 0.025% of the planet's mass-far less water than thought to have been present during Earth's formation. If our planet is "missing" most of its original water, could it reside in the mantle? Can we detect it...