This research was supported by a Global Water Futures grant to G.F. and J.C.M. and an NSERC Discovery Grant to G.F. J.C.M acknowledges funding received as a Fellow of the CIFAR Earth4D Subsurface Science and Exploration Program. M.O.C. acknowledges support under an Independent Research Fellowship from the UK Natural Environment Research Council (NERC; NE/P017819/1). This commentary benefitted from discussions with P. Döll, J. Famiglietti, G. Fogg, X. Huggins, A. Manning, K. Markovich and M. Rohde.
Source: Resources - nature.com