@Article{acpd-7-5515-2007, AUTHOR = {Ren, C. and MacKenzie, A. R. and Schiller, C. and Shur, G. and Yushkov, V.}, TITLE = {Diagnosis of processes controlling water vapour in the tropical tropopause layer by a Lagrangian cirrus model}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {7}, YEAR = {2007}, NUMBER = {2}, PAGES = {5515--5552}, URL = {http://www.atmos-chem-phys-discuss.net/7/5515/2007/}, ISSN = {1680-7367} }