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Colorado River drought drives unprecedented pattern of groundwater loss
New university findings highlight potential implications for veterinary patients, animal health, and veterinary practice.
Using satellite technology, Virginia Tech geoscientists estimated groundwater depletion across the Colorado River Basin, finding recent losses greater in the historically resilient Upper Basin.
Declining Colorado River flows and falling water levels at Lake Powell and Lake Mead are highly visible signs of the Southwestern megadrought.
Unseen below ground, groundwater reserves in the Colorado River Basin are disappearing just as fast — and in an unexpected new pattern, according to research from Virginia Tech.
Historically, groundwater has declined more in the Lower Basin.
But the system has hit a turning point: The Upper Basin is now experiencing rapid groundwater losses, with surface-water shortages increasingly affecting groundwater as well.
To isolate changes in groundwater stocks across both basins, Virginia Tech’s Susanna Werth and a team of geoscientists combined measurem…
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