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Permafrost Becoming a Carbon Source Instead of a Sink

As global and regional warming continues, winter emissions of carbon dioxide from Arctic lands are offsetting what plants absorb in the summer.

NASA Earth Observatory image by Joshua Stevens, using data from Natali, S.M., et al. (2019). NASA photograph of permafrost by Jefferson Beck. Story by Samson Reiny, NASA Earth Science News Team, and Miles Grant, Woods Hole Research Center.

Published November 19, 2019
Data acquired 2003 - 2017

Sources:
In situ Measurement
Photograph