@article{Saad_2016, title={Seasonal variability of stratospheric methane: implications for constraining tropospheric methane budgets using total column observations}, volume={16}, ISSN={1680-7324}, url={http://dx.doi.org/10.5194/acp-16-14003-2016}, DOI={10.5194/acp-16-14003-2016}, number={21}, journal={Atmospheric Chemistry and Physics}, publisher={Copernicus GmbH}, author={Saad, Katherine M. and Wunch, Debra and Deutscher, Nicholas M. and Griffith, David W. T. and Hase, Frank and De Mazière, Martine and Notholt, Justus and Pollard, David F. and Roehl, Coleen M. and Schneider, Matthias and Sussmann, Ralf and Warneke, Thorsten and Wennberg, Paul O.}, year={2016}, month=nov, pages={14003–14024} }