1. Separating the stratospheric and tropospheric pathways of El Niño–Southern Oscillation teleconnections Butler, Amy H.; Polvani, Lorenzo M.; Deser, Claira 2014 Articles Tropospheric circulationWinterAir massesAtmospheric circulationStratospheric circulationAtmosphereMeteorologyClimatic changesAtmosphere, Upper
2. El Niño, La Niña, and Stratospheric Sudden Warmings: A Reevaluation in Light of the Observational Record Butler, Amy H.; Polvani, Lorenzo M. 2011 Articles AtmosphereMeteorologyMathematics