@Article{acp-7-5401-2007, 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}, VOLUME = {7}, YEAR = {2007}, NUMBER = {20}, PAGES = {5401--5413}, URL = {http://www.atmos-chem-phys.net/7/5401/2007/}, ISSN = {1680-7316} }