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A fire scar is seen outside Fairbanks, Alaska, in August 2022. Wildfire emissions and thawing permafrost have contributed to changes in the Arctic’s tundra, scientists say (NASA/Katie Jepson) ...
In 2021, a group of prominent permafrost researchers like Merritt Turetsky had presented their collective estimate of permafrost emissions, including the abrupt thaw processes, as part of an effort to advocate for a 50% reduction in anthropogenic emissions by 2030 as a necessary milestone to help reach net zero by 2050. Their figures for ...
The Corps of Engineers' St. Paul (Minnesota) District established its Permafrost Division in 1944 to determine design methods and construction procedures for the construction of airfields on permafrost. The Corps established SIPRE (the Snow, Ice and Permafrost Research Establishment) in 1949, which moved to Wilmette, Illinois, in 1951. Its ...
Arctic permafrost is melting at rapid rates, potentially putting the food chain and the communities who depend on it in "grave danger," according to researchers at the University of Southern ...
The association releases tools and references publications related to permafrost, including a Circum-Arctic Map of Permafrost and Ground-Ice Conditions" at a scale of 1:10,000,000, prepared by an international team and published in the Circum-Pacific map series in 1997, [18] a CD-ROM compilation of global frozen ground data and information, [19 ...
The Summary. This was the Arctic’s second-hottest year on record, according to a new NOAA report. The tundra has become a source of emissions, rather than a carbon sink, the authors said.
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The Arctic report, for example, showed Alaskan permafrost temperatures in 2024 were the second-warmest ever recorded. That causes the soil to heat up and thaw, its carbon repositories decompose ...