TY - JOUR A1 - Levine, J. G. A1 - Braesicke, P. A1 - Harris, N. R. P. A1 - Pyle, J. A. T1 - Seasonal and inter-annual variations in troposphere-to-stratosphere transport from the tropical tropopause layer JO - Atmos. Chem. Phys. J1 - ACP VL - 8 IS - 13 SP - 3689 EP - 3703 Y1 - 2008/07/10 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/8/3689/2008/ L1 - https://acp.copernicus.org/articles/8/3689/2008/acp-8-3689-2008.pdf DO - 10.5194/acp-8-3689-2008 ER -