Climate: Permafrost meltdown triggers quick release of greenhouse gases to atmosphere

Summit County Citizens Voice

USGS researchers make ground-based permafrost measurements in Alaska. USGS researchers make ground-based permafrost measurements in Alaska. Photo courtesy USGS.

Alaska study helps quantify climate impacts of melting permafrost

Staff Report

Much of the carbon stored in ancient Alaska soils could be released to the atmosphere shortly upon melting, according to a new study that aimed to help quantify how fast permafrost decomposes and how much carbon dioxide is produced in the process.

The measurements are important because frozen organic soils are not part of the carbon cycle — but they will be as they thaw, potentially releasing huge amounts of heat-trapping gases.

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