Articles | Volume 21, issue 3
Atmos. Chem. Phys., 21, 2287–2304, 2021
https://doi.org/10.5194/acp-21-2287-2021
Atmos. Chem. Phys., 21, 2287–2304, 2021
https://doi.org/10.5194/acp-21-2287-2021
Research article
16 Feb 2021
Research article | 16 Feb 2021

Impacts of coagulation on the appearance time method for new particle growth rate evaluation and their corrections

Runlong Cai et al.

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Runlong Cai on behalf of the Authors (11 Sep 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (22 Sep 2020) by Radovan Krejci
RR by Wolfgang Junkermann (05 Oct 2020)
RR by Anonymous Referee #2 (10 Oct 2020)
RR by Anonymous Referee #3 (23 Oct 2020)
ED: Reconsider after major revisions (10 Nov 2020) by Radovan Krejci
AR by Runlong Cai on behalf of the Authors (23 Nov 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (23 Nov 2020) by Radovan Krejci
RR by Anonymous Referee #3 (25 Nov 2020)
RR by Wolfgang Junkermann (30 Nov 2020)
ED: Reconsider after major revisions (17 Dec 2020) by Radovan Krejci
AR by Runlong Cai on behalf of the Authors (23 Dec 2020)  Author's response    Manuscript
ED: Publish as is (29 Dec 2020) by Radovan Krejci
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Short summary
Growth rate determines the survival probability of atmospheric new particles and hence their impacts. We clarify the impacts of coagulation on the values retrieved by the appearance time method, which is widely used for growth rate evaluation. A new formula with coagulation correction is proposed based on derivation and tested using both models and atmospheric data. We show that the sub-3 nm particle growth rate in polluted environments may be overestimated without the coagulation correction.
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