Articles | Volume 16, issue 17
Atmos. Chem. Phys., 16, 11163–11176, 2016
https://doi.org/10.5194/acp-16-11163-2016
Atmos. Chem. Phys., 16, 11163–11176, 2016
https://doi.org/10.5194/acp-16-11163-2016

Research article 09 Sep 2016

Research article | 09 Sep 2016

Phase state of ambient aerosol linked with water uptake and chemical aging in the southeastern US

Aki Pajunoja et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by A. Pajunoja on behalf of the Authors (16 Aug 2016)  Author's response    Manuscript
ED: Reconsider after minor revisions (Editor review) (22 Aug 2016) by Manabu Shiraiwa
AR by A. Pajunoja on behalf of the Authors (26 Aug 2016)  Author's response    Manuscript
ED: Publish as is (30 Aug 2016) by Manabu Shiraiwa
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Short summary
The phase state of ambient particles was inferred from bounce measurements conducted at a rural site in central Alabama during the SOAS campaign. The organic-dominated ambient particles are mostly in the liquid phase at summertime conditions but they turn semisolid when dried in the measurement setup. Bounce humidograms reveal that the hygroscopicity and oxidation of the particles decreases the liquefying RH. The effect of oxidation is emphasized by oxidation flow reactor measurements.
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