Nearly one quarter of the land in the Northern Hemisphere, amounting to some 9 million square miles, is layered with permafrost—soil, sediment, and rocks that are frozen solid for years at a time. Vast stretches of permafrost ...
Earth Sciences
Apr 28, 2021
35
1509
Permafrost is ground that remains frozen throughout the year; it covers nearly a quarter of Northern Hemisphere land. The frozen state of permafrost enables it to store large amounts of carbon; about twice as much as in the ...
Earth Sciences
Jan 8, 2020
6
350
Ancient carbon trapped in Arctic permafrost is extremely sensitive to sunlight and, if exposed to the surface when long-frozen soils melt and collapse, can release climate-warming carbon dioxide gas into the atmosphere much ...
Environment
Feb 11, 2013
240
0
(PhysOrg.com) -- Buried below the tundra of China’s Qinghai-Tibet Plateau is a type of frozen natural gas containing methane and ice crystals that could supply energy to China for 90 years. China discovered the large reserve ...
A Florida State University scientist has helped uncover through a multidecadal study how changing water chemistry in Arctic rivers could impact the entire planet.
Earth Sciences
Aug 22, 2023
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33
A team of international researchers monitoring the impact of climate change on large rivers in Arctic Canada and Alaska determined that, as the region is sharply warming up, its rivers are not moving as scientists have expected.
Earth Sciences
Mar 9, 2023
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48
Smoke from a Siberian wildfire may have transported enough nitrogen to parts of the Arctic Ocean to amplify a phytoplankton bloom, according to new research from North Carolina State University and the International Research ...
Earth Sciences
Sep 19, 2022
0
96
In the northernmost region of the earth the arctic permafrost is melting at an accelerated rate. For more than a decade, an international team of researchers from ETH Zurich, the University of Alaska Fairbanks, and the German ...
Earth Sciences
Jul 28, 2022
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736
Greenhouse gas emissions from human activities have caused Earth's climate to change—and in Arctic regions, air temperatures are warming twice as fast as the global average. Permanently frozen Arctic soils located in tundra ...
Ecology
Apr 26, 2022
0
92
In the past 50 years, the Arctic region has been warming three times faster than the average rate of global warming. This warming thaws the permafrost, the permanently frozen Arctic soil. New research published in Nature ...
Environment
Mar 23, 2022
106
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