Scientific journal
Appears in 1 story · Last updated Oct 22, 2026
Published the study
The Upper Colorado River Basin lost 4.6 trillion gallons of groundwater during the 2020-2022 drought, nearly twice the loss in the drier Lower Basin. Over the full study period from 2004 to 2023, the basin lost about 14 cubic miles of groundwater, the Virginia Tech team reported in Water Resources Research.
Updated Oct 22
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