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Volume 17, issue 19
Atmos. Chem. Phys., 17, 11779–11801, 2017
https://doi.org/10.5194/acp-17-11779-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

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
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

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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GoAmazon Atmospheric Radiation Measurement, Climate Research Facility https://www.arm.gov/research/campaigns/amf2014goamazon

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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.
Particle hygroscopicity, mixing state, and the hygroscopicity of organic components were...
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