Sunday, May 21, 2017

Melting soil in cold regions releasing long-held CO2

ScienceAlert: "That's an amount comparable to all the emissions from the US commercial sector in a single year.

The chief reason for the greater CO2 release was that as Alaska has warmed up, emissions from once frozen tundra in winter are increasing - presumably because the ground is not refreezing as quickly.

"The soils are warmer deeper, and as they freeze in the fall, the temperature of every soil depth has to come to zero before they hard freeze," Commane said."

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