CCN Activity of Amazonian Aerosols: Diel and Seasonal Variations. Ryan Thalman, Chongai Kuang, Stephen Springston, Gunnar Senum, Arthur J. Sedlacek, Thomas Watson, JIAN WANG, Suzane Simoes de Sa, Scot Martin, Lizabeth Alexander, Brett Palm, Weiwei Hu, Douglas Day, Pedro Campuzano-Jost, Jose-Luis Jimenez, Henrique Barbosa, Paulo Artaxo, Rodrigo A. F. Souza, Antonio O. Manzi, Mira Krüger, Ulrich Poeschl, Brookhaven National Laboratory