TY - JOUR A1 - Alexander, S. P. A1 - Shepherd, M. G. T1 - Planetary wave activity in the polar lower stratosphere JO - Atmos. Chem. Phys. J1 - ACP VL - 10 IS - 2 SP - 707 EP - 718 Y1 - 2010/01/25 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/10/707/2010/ L1 - http://www.atmos-chem-phys.net/10/707/2010/acp-10-707-2010.pdf DO - 10.5194/acp-10-707-2010 ER -