Is “CO2 fertilization” the primary driver for the enhanced seasonal cycle amplitude of atmospheric CO2 in the Arctic?
Is “CO2 fertilization” the primary driver for the enhanced seasonal cycle amplitude of atmospheric CO2 in the Arctic?
Lei Hu1, Stephen A Montzka2, Edward J Dlugokencky3, Andrew R Jacobson1, Kenneth Schuldt4, John B Miller3, Colm Sweeney3, Arlyn Andrews3, Kirk W Thoning5, Sylvia Englund Michel6, Bruce H Vaughn6, Aleya Kaushik7, Min Chen8 and Yanlan Liu9, (1)NOAA Boulder, Boulder, CO, United States, (2)NOAA/ESRL Global Monitoring Division, Boulder, CO, United States, (3)NOAA, Global Monitoring Laboratory, Boulder, United States, (4)Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (5)NOAA, Global Monitoring Laboratory, Boulder, CO, United States, (6)University of Colorado, Institute of Arctic and Alpine Research, Boulder, CO, United States, (7)NOAA/ESRL, Global Monitoring Division, Boulder, CO, United States, (8)Pacific Northwest National Laboratory, Joint Global Change Research Institute, Richland, United States, (9)Duke University, Nicholas School of the Environment, Durham, NC, United States