A23J
Atmospheric Methane’s Global Budget I

Tuesday, 15 December 2015: 13:40-15:40
3024 (Moscone West)
Primary Conveners:  Edward J Dlugokencky, NOAA, Earth System Research Laboratory, Boulder, CO, United States
Conveners:  Euan G Nisbet, Royal Holloway University of London, Egham, United Kingdom and Philippe Bousquet, LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France
Chairs:  Edward J Dlugokencky, NOAA, Earth System Research Laboratory, Boulder, CO, United States, Euan G Nisbet, Royal Holloway University of London, Egham, United Kingdom and Philippe Bousquet, LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France
OSPA Liaisons:  Edward J Dlugokencky, NOAA, Earth System Research Laboratory, Boulder, CO, United States
13:40
A23J-01
Ice core measurements of 14CH4 constrain the sources of atmospheric methane increase during abrupt warming events of the last deglaciation (75126)
Vasilii V Petrenko, University of Rochester, Earth and Environmental Sciences, Rochester, NY, United States
13:55
A23J-02
INSIGHTS INTO THE RECENT RISE IN ATMOSPHERIC METHANE INFERRED FROM OBSERVED MOLE FRACTIONS AND STABLE CARBON ISOTOPES (Invited) (63705)
James W C White1, Sylvia Englund Michel1, Pieter P Tans2, Bruce H Vaughn3, Edward J Dlugokencky4, Owen Sherwood5, John B Miller6 and Kenneth Alan Masarie7, (1)Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO, United States, (2)NOAA/Earth System Research Lab, Boulder, CO, United States, (3)University of Colorado, Boulder, CO, United States, (4)NOAA Boulder, Boulder, CO, United States, (5)University of Colorado at Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States, (6)NOAA Boulder, ESRL, Boulder, CO, United States, (7)NOAA, Boulder, CO, United States
14:15
A23J-03
Constraining the Sources and Sinks of Atmospheric Methane Using Stable Isotope Observations and Chemistry Climate Modeling (63296)
Aryeh Feinberg, ETH Swiss Federal Institute of Technology Zurich, Institute for Atmospheric and Climate Science, Zurich, Switzerland
14:30
A23J-04
Long-term Variations of Atmospheric CH4 Concentration over Siberia Derived from Aircraft Observation. (77592)
Motoki Sasakawa, NIES National Institute of Environmental Studies, Ibaraki, Japan
14:45
A23J-05
Methane Observations in the Air and Surface Waters of the Eastern Arctic Ocean during SWERUS-C3 (Invited) (69050)
Patrick M Crill, Stockholm University, Dept. of Geological Sciences, Stockholm, Sweden
15:05
A23J-06
The Use of Inverse Modeling Techniques for Studying Global CH4; Current Status, Limitations, and New Developments (Invited) (78082)
Sander Houweling, Netherlands Institute for Space Research, Utrecht, Netherlands; Utrecht University, IMAU, Utrecht, 3584, Netherlands
15:25
A23J-07
Estimation of Global Methane Emissions for 2000-2012 using the CarbonTracker Europe-CH4 Data Assimilation System (72158)
Aki Tsuruta1, Tuula Aalto2, Leif Bjarne Backman2, Janne Juhani Hakkarainen3, Ingrid Theodora van der Laan-Luijkx4, Wouter Peters4, Maarten C Krol5 and Renato Spahni6, (1)Finnish Meteorological Institute, Helsinki, Finland, (2)Finnish Meteorological Institute, Greenhouse Gas Group, Helsinki, Finland, (3)Finnish Meteorological Institute, Atmospheric Remote Sensing Group, Helsinki, Finland, (4)Wageningen University, Wageningen, Netherlands, (5)Utrecht University, Utrecht, Netherlands, (6)University of Bern, Bern, Switzerland
 
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