Articles | Volume 19, issue 14
Atmos. Chem. Phys., 19, 9641–9661, 2019
https://doi.org/10.5194/acp-19-9641-2019
Atmos. Chem. Phys., 19, 9641–9661, 2019
https://doi.org/10.5194/acp-19-9641-2019

Research article 31 Jul 2019

Research article | 31 Jul 2019

Seasonal differences in formation processes of oxidized organic aerosol near Houston, TX

Qili Dai et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Yinchang Feng on behalf of the Authors (28 Mar 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (13 Apr 2019) by Eleanor Browne
RR by Anonymous Referee #2 (25 Apr 2019)
ED: Publish subject to minor revisions (review by editor) (10 May 2019) by Eleanor Browne
AR by Yinchang Feng on behalf of the Authors (07 Jun 2019)  Author's response    Manuscript
ED: Publish as is (18 Jun 2019) by Eleanor Browne
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Short summary
The formation processes of secondary organic aerosol remain to be fully understood. We reported the measurement data from two field campaigns within Houston, TX, to investigate the effects of aqueous-phase chemistry and photochemistry in processing oxygenated organic aerosol (OOA) in winter and summer. Both photochemistry and aqueous-phase processing appear to facilitate more-oxidized OOA formation. The processing mechanism of less-oxidized OOA apparently depended on relative humidity.
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