What’s responsible for recent changes in atmospheric methane?

Paul I Palmer1,2, Liang Feng3, Mark Lunt4, Sonja S. Folwell5, Alice Drinkwater6, Christopher Taylor7, Chris Huntingford5, Nicola Gedney8, Robert Parker9, Hartmut Boesch9 and Tim Arnold10, (1)University of Edinburgh, School of GeoSciences, Edinburgh, United Kingdom, (2)National Centre for Earth Observation (NCEO), Leicester, United Kingdom, (3)University of Edinburgh, NCEO, Edinburgh, EH9, United Kingdom, (4)University of Edinburgh, Edinburgh, EH9, United Kingdom, (5)Centre for Ecology and Hydrology, Wallingford, United Kingdom, (6)University of Edinburgh, Edinburgh, United Kingdom, (7)UK Centre for Ecology & Hydrology, Wallingford, United Kingdom, (8)Met Office Hadley center for Climate Change, Exeter, United Kingdom, (9)University of Leicester, Leicester, United Kingdom, (10)National Physical Laboratory, Tedddington, United Kingdom