Articles | Volume 22, issue 20
Atmos. Chem. Phys., 22, 13897–13913, 2022
https://doi.org/10.5194/acp-22-13897-2022

Special issue: Marine aerosols, trace gases, and clouds over the North Atlantic...

Atmos. Chem. Phys., 22, 13897–13913, 2022
https://doi.org/10.5194/acp-22-13897-2022
Research article
28 Oct 2022
Research article | 28 Oct 2022

Organic enrichment in droplet residual particles relative to out of cloud over the northwestern Atlantic: analysis of airborne ACTIVATE data

Hossein Dadashazar et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on acp-2022-387', Anonymous Referee #1, 15 Jul 2022
    • AC1: 'Reply on RC1', Hossein Dadashazar, 01 Sep 2022
  • RC2: 'Comment on acp-2022-387', Anonymous Referee #2, 26 Jul 2022
    • AC1: 'Reply on RC1', Hossein Dadashazar, 01 Sep 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Hossein Dadashazar on behalf of the Authors (01 Sep 2022)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (12 Sep 2022) by Markus Petters
RR by Anonymous Referee #2 (15 Sep 2022)
RR by Anonymous Referee #1 (30 Sep 2022)
ED: Publish subject to minor revisions (review by editor) (30 Sep 2022) by Markus Petters
AR by Hossein Dadashazar on behalf of the Authors (01 Oct 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (04 Oct 2022) by Markus Petters
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Short summary
Multi-season airborne data over the northwestern Atlantic show that organic mass fraction and the relative amount of oxygenated organics within that fraction are enhanced in droplet residual particles as compared to particles below and above cloud. In-cloud aqueous processing is shown to be a potential driver of this compositional shift in cloud. This implies that aerosol–cloud interactions in the region reduce aerosol hygroscopicity due to the jump in the organic : sulfate ratio in cloud.
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