1. Assessing and Understanding the Impact of Stratospheric Dynamics and Variability on the Earth System Shaw, Tiffany Ann; Polvani, Lorenzo M.; Gerber, Edwin P.; Butler, Amy; Calvo, Natalia; Charlton-Perez, Andrew; Giorgetta, Marco; Manzini, Elisa; Perlwitz, Judith; Son, Seok-Woo; Sassi, Fabrizio; Watanabe, Shingo; Scaife, Adam A. 2012 Articles Climatic changesAtmosphereMeteorology