4568 20200116190239.0 CTALK-2020-0032 Pla-Garcia, J. Seasonal variations of the Hadley cell and differential hemispheric methane release could drive the seasonal methane cycle on Mars 2019 2019-12-13 NO Rafkin, S. C. R. Webster, C. R. Mahaffy, P. R. Karatekin, Ö. Gloesener, E. Moores, J. E. AGU Fall Meeting, San Francisco, CA, USA elodie.gloesener@observatoire.be Contributed CTALKCONT