Articles | Volume 17, issue 19
Atmos. Chem. Phys., 17, 11779–11801, 2017
https://doi.org/10.5194/acp-17-11779-2017

Special issue: Observations and Modeling of the Green Ocean Amazon (GoAmazon2014/5)...

Atmos. Chem. Phys., 17, 11779–11801, 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 et al.

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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
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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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