Why is there is a persistent decrease in the amplitude of the seasonal cycle of atmospheric methane over the Arctic?


Paul Palmer1, James Barlow2, Liang Feng3, Douglas Finch2 and Lori Bruhwiler4, (1)University of Edinburgh, Edinburgh, United Kingdom, (2)University of Edinburgh, School of Geosciences, Edinburgh, United Kingdom, (3)University of Edinburgh, NCEO, Edinburgh, EH9, United Kingdom, (4)NOAA, Global Monitoring Laboratory, Boulder, United States