NASA releases new Lake Mead satellite images, shows dramatic water loss since 2000
(CNN) — New satellite images released by NASA Wednesday reveal the dramatic loss of water at Lake Mead due to the ongoing mega-drought.
“The largest reservoir in the United States supplies water to millions of people across seven states, tribal lands, and northern Mexico,” NASA wrote about the image. “It now also provides a stark illustration of climate change and a long-term drought that may be the worst in the U.S. West in 12 centuries.”
When you compare these two natural-color images — one acquired on July 6, 2000, and the other on July 3, 2022 — you can see the lake full and, in the most recent imagery, you can see the mineralized lakeshore which used to be underwater.
Move the slider to the left to reveal the minimal water remaining in Lake Mead. Move it back to the right to see where the level once stood.
According to U.S. Bureau of Reclamation data, the lake elevation at Hoover Dam was approximately 1,200 feet in July 2000. In the July 3, 2022 image, the lake elevation had fallen 158 feet, to an elevation of 1,042 feet.
These light-colored fringes — the phenomenon often referred to as a “bathtub ring” — are more noticeable in these zoomed in images.
Lake Mead, located in Nevada and Arizona, is forecast to be a part of more extreme water cuts in the Southwest starting next year.
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