Alaska Tundra Source of Early-Winter Carbon Emissions 0

Winter sun setting over the tundra polygons in northern Alaska in November 2015. As winter sets in and snow settles, the soils take time to freeze completely and continue to emit carbon dioxide long into the new year. Credit: NASA/JPL-Caltech/Charles Miller › Larger view › Larger view”/> Warmer temperatures and thawing soils may be driving an…