Contribution of Anthropogenic and Natural Emissions to Global CH4 Balances by Utilizing δ13C-CH4 Observations in CarbonTracker Data Assimilation System (CTDAS)
Vilma Kangasaho1, Aki Tsuruta1, Tuula Aalto1, Leif Bjarne Backman1, Sander Houweling2, Maarten C Krol3,4, Wouter Peters5,6, Ingrid Theodora van der Laan-Luijkx7,8, Sebastian Lienert9, Fortunat Joos9, Edward J Dlugokencky10, Sylvia Michel11 and James W C White12, (1)Finnish Meteorological Institute, Helsinki, Finland, (2)SRON, Netherlands Institute for Space Research, Utrecht, Netherlands, (3)Netherlands Institute for Space Research, Utrecht, Netherlands, (4)Wageningen University, Environmental Sciences, Wageningen, Netherlands, (5)Centre for Isotope Research, Groningen, Netherlands, (6)Wageningen University and Research Center, Department of Meteorology and Air Quality, Wageningen, Netherlands, (7)Wageningen University and Research, Wageningen, Netherlands, (8)Institute for Marine and Atmospheric Research Utrecht, Utrecht, Netherlands, (9)University of Bern, Climate and Environmental Physics, Bern, Switzerland, (10)NOAA Earth System Research Laboratory, Boulder, CO, United States, (11)University of Colorado Boulder, Institute of Arctic and Alpine Research, Boulder, United States, (12)Institute of Arctic and Alpine Research, Geological Sciences, Boulder, CO, United States
