TY - JOUR A1 - Read, W. G. A1 - Schwartz, M. J. A1 - Lambert, A. A1 - Su, H. A1 - Livesey, N. J. A1 - Daffer, W. H. A1 - Boone, C. D. T1 - The roles of convection, extratropical mixing, and in-situ freeze-drying in the tropical tropopause layer JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 8 IS - 1 SP - 3961 EP - 4000 Y1 - 2008/02/26 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/8/3961/2008/ L1 - http://www.atmos-chem-phys-discuss.net/8/3961/2008/acpd-8-3961-2008.pdf ER -