Melting glaciers may raise sea levels more than previously thought because of the way polar ice meets the sea floor.
According to Bloomberg, a new satellite-mediated study of the Petermann Glacier in Greenland shows its so-called “land line,” where ice from the glacier in contact with the ocean floor is moved by tidal cycles into a shelf that floats above it. News, yesterday.
According to scientists at the University of California, Irvine, NASA’s Jet Propulsion Laboratory and other institutions, this allows warmer water to flow up the glacier from below.
From 2016 to 2022, the landline of Peterman Glacier retreated about 2.5 miles, allowing warmer water to carve a 670-foot crater beneath it, according to the study, published this week in the Proceedings of the National Academy of Sciences. , an interdisciplinary scientific journal.
Two major climate reports released on April 20 show record ice melting around the world, from the Alps to Antarctica.
And the European Union’s climate watchdog reported that last year saw more snow melt in the European Alps than ever recorded.
The glaciers have lost more than five cubic kilometers of ice, according to the Copernicus Climate Change Service.
The company added that if the ice cube were compressed into a cube, its edges would be five and a half times the height of the Eiffel Tower.
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