Carbon dioxide release from Alaskan tundra

A combination of aircraft and tower carbon dioxide (CO2) observations, remote sensing data, and meteorological programs indicate that Alaskan tundra was an annual net source of atmospheric CO2 from 2012 to 2014, and CO2 release during the months of October to December increased by approximately 73% since 1975 and was associated with rising summer temperatures in Barrow, Alaska, suggesting an increase in early winter respiration and annual CO2 emissions in Alaska in response to climate warming. - Read at PNAS

Article #16-18567: “Carbon dioxide sources from Alaska driven by increasing early winter respiration from Arctic tundra,” by Róisín Commane et al.