@Article{acpd-8-3961-2008, AUTHOR = {Read, W. G. and Schwartz, M. J. and Lambert, A. and Su, H. and Livesey, N. J. and Daffer, W. H. and Boone, C. D.}, TITLE = {The roles of convection, extratropical mixing, and in-situ freeze-drying in the tropical tropopause layer}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {8}, YEAR = {2008}, NUMBER = {1}, PAGES = {3961--4000}, URL = {http://www.atmos-chem-phys-discuss.net/8/3961/2008/}, ISSN = {1680-7367} }