Articles | Volume 16, issue 21
https://doi.org/10.5194/acp-16-14003-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-16-14003-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
11 Nov 2016
Research article |
| 11 Nov 2016
Seasonal variability of stratospheric methane: implications for constraining tropospheric methane budgets using total column observations
Environmental Science and Engineering, California Institute of Technology, Pasadena, California, USA
Debra Wunch
Environmental Science and Engineering, California Institute of Technology, Pasadena, California, USA
Department of Physics, University of Toronto, Toronto, Ontario, Canada
Nicholas M. Deutscher
Center for Atmospheric Chemistry, School of Chemistry, University of Wollongong, Wollongong, NSW, Australia
Institute of Environmental Physics, University of Bremen, Bremen, Germany
David W. T. Griffith
Center for Atmospheric Chemistry, School of Chemistry, University of Wollongong, Wollongong, NSW, Australia
Frank Hase
Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology, IMK-ASF, Karlsruhe, Germany
Martine De Mazière
Royal Belgian Institute for Space Aeronomy, Brussels, Belgium
Justus Notholt
Institute of Environmental Physics, University of Bremen, Bremen, Germany
David F. Pollard
National Institute of Water and Atmospheric Research, Omakau, New Zealand
Coleen M. Roehl
Environmental Science and Engineering, California Institute of Technology, Pasadena, California, USA
Matthias Schneider
Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology, IMK-ASF, Karlsruhe, Germany
Ralf Sussmann
Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology, IMK-IFU, Garmisch-Partenkirchen, Germany
Thorsten Warneke
Institute of Environmental Physics, University of Bremen, Bremen, Germany
Paul O. Wennberg
Environmental Science and Engineering, California Institute of Technology, Pasadena, California, USA
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Total article views: 3,888 (including HTML, PDF, and XML)
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Latest update: 19 Nov 2025
Short summary
Current approaches to constrain the global methane budget assimilate total column measurements into models, but model biases can impact results. We use tropospheric methane columns to evaluate model transport errors and identify a seasonal time lag in the Northern Hemisphere troposphere masked by stratospheric compensating effects. We find systematic biases in the stratosphere will alias into model-derived emissions estimates, especially those in the high Northern latitudes that vary seasonally.
Current approaches to constrain the global methane budget assimilate total column measurements...
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