1. Onset and End of the Rainy Season in South America in Observations and the ECHAM 4.5 Atmospheric General Circulation Model Liebmann, Brant; Camargo, Suzana J.; Seth, Anji; Marengo, José A.; Carvalho, Leila M. V.; Allured, Dave; Fu, Rong; Vera, Carolina S. 2007 Articles MeteorologyAtmosphere