Articles | Volume 17, issue 19
https://doi.org/10.5194/acp-17-11779-2017
https://doi.org/10.5194/acp-17-11779-2017
Research article
 | 
05 Oct 2017
Research article |  | 05 Oct 2017

CCN activity and organic hygroscopicity of aerosols downwind of an urban region in central Amazonia: seasonal and diel variations and impact of anthropogenic emissions

Ryan Thalman, Suzane S. de Sá, Brett B. Palm, Henrique M. J. Barbosa, Mira L. Pöhlker, M. Lizabeth Alexander, Joel Brito, Samara Carbone, Paulo Castillo, Douglas A. Day, Chongai Kuang, Antonio Manzi, Nga Lee Ng, Arthur J. Sedlacek III, Rodrigo Souza, Stephen Springston, Thomas Watson, Christopher Pöhlker, Ulrich Pöschl, Meinrat O. Andreae, Paulo Artaxo, Jose L. Jimenez, Scot T. Martin, and Jian Wang

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Jian Wang on behalf of the Authors (04 Aug 2017)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (15 Aug 2017) by Maria Assuncao Silva Dias
RR by Anonymous Referee #2 (16 Aug 2017)
ED: Publish as is (16 Aug 2017) by Maria Assuncao Silva Dias
AR by Jian Wang on behalf of the Authors (24 Aug 2017)
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Short summary
Particle hygroscopicity, mixing state, and the hygroscopicity of organic components were characterized in central Amazonia for 1 year; their seasonal and diel variations were driven by a combination of primary emissions, photochemical oxidation, and boundary layer development. The relationship between the hygroscopicity of organic components and their oxidation level was examined, and the results help to reconcile the differences among the relationships observed in previous studies.
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