Aquifer Loss Compounds Climate Impacts in Semi-Arid Regions
The groundwater in many of the world’s largest aquifers is being pumped out “at far greater rates than it can be naturally replenished,” a NASA hydrologist reports in the journal Nature Climate Change.
“This is doubly concerning in our age of unrestricted carbon pollution because it is precisely these semi-arid regions that are projected to see drops in precipitation and/or soil moisture,” Romm writes.
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“Most of the major aquifers in the world’s arid and semi-arid zones, that is, in the dry parts of the world that rely most heavily on groundwater, are experiencing rapid rates of groundwater depletion,” noted author James Famiglietti of NASA’s Jet Propulsion Laboratory. “Nearly all of these underlie the world’s