Articles | Volume 20, issue 12
Atmos. Chem. Phys., 20, 7531–7552, 2020
https://doi.org/10.5194/acp-20-7531-2020
Atmos. Chem. Phys., 20, 7531–7552, 2020
https://doi.org/10.5194/acp-20-7531-2020
Research article
30 Jun 2020
Research article | 30 Jun 2020

Strong anthropogenic control of secondary organic aerosol formation from isoprene in Beijing

Daniel J. Bryant et al.

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Status: closed
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 Daniel Bryant on behalf of the Authors (28 Feb 2020)  Author's response
ED: Referee Nomination & Report Request started (05 Mar 2020) by Alex Lee
RR by Anonymous Referee #1 (25 Mar 2020)
RR by Anonymous Referee #4 (29 Mar 2020)
ED: Reconsider after major revisions (30 Mar 2020) by Alex Lee
AR by Daniel Bryant on behalf of the Authors (02 Apr 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (01 May 2020) by Alex Lee
RR by Anonymous Referee #1 (15 May 2020)
ED: Publish as is (15 May 2020) by Alex Lee
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Short summary
Using the chemical composition of offline filter samples, we report that a large share of oxidized organic aerosol in Beijing during summer is due to isoprene secondary organic aerosol (iSOA). iSOA organosulfates showed a strong correlation with the product of ozone and particulate sulfate. This highlights the role of both photochemistry and the availability of particulate sulfate in heterogeneous reactions and further demonstrates that iSOA formation is controlled by anthropogenic emissions.
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