Rivers melt Arctic ice, warming air and ocean

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Exposing the Big Game's avatarThe Extinction Chronicles

NOVEMBER 6, 2020

by Heather McFarland, University of Alaska Fairbanks

https://phys.org/news/2020-11-rivers-arctic-ice-air-ocean.html

Rivers melt Arctic ice, warming air and ocean
Water from Canada’s Mackenzie River enters the blue Arctic Ocean in July 2012. White areas in the top half of the photo are largely sea ice, while those below are clouds over land. Credit: NASA Earth Observatory

A new study shows that increased heat from Arctic rivers is melting sea ice in the Arctic Ocean and warming the atmosphere.https://a7927b4a67873fab27128299be804544.safeframe.googlesyndication.com/safeframe/1-0-37/html/container.html

The study published this week inScience Advanceswas led by the Japan Agency for Marine-Earth Science and Technology, with contributing authors in the United States, United Arab Emirates, Finland and Canada.

According to the research, major Arctic rivers contribute significantly more heat to the Arctic Ocean than they did in 1980. River heat is responsible for up to 10% of the total sea ice loss that occurred from 1980 to 2015 over the shelf region of the Arctic Ocean…

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