Articles | Volume 21, issue 13
Atmos. Chem. Phys., 21, 10589–10608, 2021
https://doi.org/10.5194/acp-21-10589-2021
Atmos. Chem. Phys., 21, 10589–10608, 2021
https://doi.org/10.5194/acp-21-10589-2021

Research article 14 Jul 2021

Research article | 14 Jul 2021

Tracer-based source apportioning of atmospheric organic carbon and the influence of anthropogenic emissions on secondary organic aerosol formation in Hong Kong

Yubo Cheng 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-2021-32', Anonymous Referee #1, 29 Jan 2021
  • RC2: 'Comment on acp-2021-32', Anonymous Referee #2, 11 Feb 2021
  • RC3: 'Comment on acp-2021-32', Anonymous Referee #3, 27 Feb 2021
  • AC1: 'Response to the reviewers' comments on acp-2021-32', Di Hu, 28 Apr 2021
  • AC2: 'Response to the three reviewers' comments on acp-2021-32', Di Hu, 28 Apr 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Di Hu on behalf of the Authors (29 Apr 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (04 May 2021) by Nga Lee Ng
RR by Anonymous Referee #2 (13 May 2021)
ED: Publish as is (19 May 2021) by Nga Lee Ng
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Short summary
We conducted chemical characterization and source apportionment of PM2.5 in Hong Kong. Secondary formation was the leading contributor to organic carbon (OC) throughout the year. NOx processing played a key role in both daytime and nighttime secondary organic aerosol (SOA) production, and monoterpene SOA was the most abundant. Sulfate was positively related to total and secondary sulfate-related OC, and particle acidity was significantly correlated with SOC from aging of biomass burning.
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