An interesting new paper has just been published in Nature Geoscience by Romain Millan,Jeremie Mouginot,Antoine Rabatel and Mathieu Morligheim on the velocity and thickness of the world's glaciers. They make a revised estimate of global glacier ice volume. They aren't looking at ice in the Greenland or Antarctic ice sheets,just glaciers worldwide. Millan et al.,2022. Ice velocity and thickness of the World's glaciers. Nature Geoscience This new paper provides an update on the global glacier ice volume. It gives us a new estimate of sea level equivalent of ice in all glaciers worldwide. The sea level equivalent is how much global sea levels would rise if all the ice melted and it is one way to visualise or understand ice volume. It is perhaps more useful than just estimating ice volume in cubic kilometres or gigatonnes.
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