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Saturday, February 15, 2025

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Sea ice melt is accelerated by warm sea water

Scientists from the University of California at Irvine and NASA’s Jet Propulsion Laboratory have discovered one of the reasons for the rapid melting of Greenland.

As a result of new climate modeling, scientists have increased their estimates of how much sea levels will rise due to melting ice sheets.

Using satellite data from the TanDEM-X, COSMO-SkyMed and ICEYE satellites, the researchers tracked the movement of ice that had broken away from the glacier line.

Several tidal cycles unexpectedly caused the ground line to move as much as 6 kilometers. As a result, warm water from deeper levels penetrated under the glacier and accelerated the loss of ice.

The highest melt rates were observed along pre-existing subglacial channels, where values ​​ranged from 60 to 80 meters per year. Lenta.ru .

Petermann’s ground line receded four kilometers between 2016 and 2022, creating a cavity that remained open throughout the tide cycle at the bottom of this glacier due to accelerated melt from 40 meters per year to 60.

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Russia Desk
Russia Desk
The Eastern Herald’s Russia Desk validates the stories published under this byline. That includes editorials, news stories, letters to the editor, and multimedia features on easternherald.com.

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