Cold Season Emissions Dominate the Arctic Tundra Methane Budget

Proceedings of the National Academy of Sciences (Published online before print December 22, 2015, doi: 10.1073/pnas.1516017113) / by Donatella Zona, et al.
http://www.pnas.org/content/early/2015/12/17/1516017113.abstract

[From an Energy Wire article by Gayathri Vaidyanathan, sub. req’d]  The Arctic tundra is releasing more methane, a potent greenhouse gas, during wintertime than scientists previously thought.

The region could be emitting an estimated 12 teragrams of methane, or 6 percent of the planet’s total emissions from wetlands, during cold months…

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