A new analysis of ground water changes as measured by the GRACE satellites (Gravity Recovery and Climate Experiment) finds that “Groundwater is being depleted at a rapid clip in virtually of all of the major aquifers in the world's arid and semiarid regions,” according to Jay Famiglietti, a hydrologist at the University of California Center for Hydrologic Modeling in Irvine, as reported by Science News. The data were released at last months AGU Fall Meeting.
[Right, driest conditions shown in darkest red. Credit, NASA/National Drought Mitigation Center at the University of Nebraska-Lincoln]
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