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- The Western United States is in dire need of water, and researchers have recently discovered an aquifer that was not on any map, measuring three times larger than Lake Mead.
- This revelation occurred when scientists, examining drill holes left from earlier geothermal research, discovered that the rock continued to show moisture at greater depths than previously thought.
- While this is a significant gain for the thirsty West, the aquifer relies on snowpack, and experts predict substantial decreases in snowfall in the Cascades over the next few decades.
As global temperatures rise, water resources in the American West are increasingly crucial. Lake Mead and Lake Powell, some of the most significant reservoirs in that region, hit record lows in 2023, and significant drought conditions in some areas are resulting in increasingly expanding desertification, transforming fertile grasslands into barren land as the water supply, figuratively speaking, diminishes.
Although this presents a troubling situation for residents in the southwestern U.S., the Pacific Northwest, which experiences dryness during summer, receives a considerably larger amount of rainfall due to prevailing winds from the Pacific Ocean and mountain ranges like the Cascades, which release moisture over extended periods. A recent study by the University of Oregon suggests that the Cascades may have stored a substantial amount of that water underground.
A group of experts, spearheaded by geoscientists at the University of Oregon (UO), examined decades-old drill holes made by scientists exploring geothermal energy. After discovering signs of moisture deeper in the holes, they estimated that the Cascades could hold 81 cubic kilometers of water—that’s three times the volume of Lake Mead at full capacity. The findings were published in the journal Proceedings of the National Academy of Sciences (PNAS).
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