Future changes in isoprene-epoxydiol-derived secondary organic aerosol (IEPOX SOA) under the Shared Socioeconomic Pathways: the importance of physicochemical dependency

Jo, Duseong S.; Hodzic, Alma; Emmons, Louisa K.; Tilmes, Simone; Schwantes, Rebecca H.; Mills, Michael J.; Campuzano-Jost, Pedro; Hu, Weiwei; Zaveri, Rahul A.; Easter, Richard C.; Singh, Balwinder; Lu, Zheng; Schulz, Christiane; Schneider, Johannes; Shilling, John E.; Wisthaler, Armin; Jimenez, Jose L.

doi:https://doi.org/10.5194/acp-21-3395-2021

Articles | Volume 21, issue 5

https://doi.org/10.5194/acp-21-3395-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-21-3395-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 21, issue 5

Research article

|

05 Mar 2021

Research article |

| 05 Mar 2021

Future changes in isoprene-epoxydiol-derived secondary organic aerosol (IEPOX SOA) under the Shared Socioeconomic Pathways: the importance of physicochemical dependency

Duseong S. Jo, Alma Hodzic, Louisa K. Emmons, Simone Tilmes, Rebecca H. Schwantes, Michael J. Mills, Pedro Campuzano-Jost, Weiwei Hu, Rahul A. Zaveri, Richard C. Easter, Balwinder Singh, Zheng Lu, Christiane Schulz, Johannes Schneider, John E. Shilling, Armin Wisthaler, and Jose L. Jimenez

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'review', Anonymous Referee #1, 27 Jul 2020
RC2: 'Review of Jo et al.', Anonymous Referee #2, 11 Sep 2020
AC1: 'Response to reviewers and editor', Duseong Jo, 19 Dec 2020

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AR: Author's response | RR: Referee report | ED: Editor decision

AR by Duseong Jo on behalf of the Authors (19 Dec 2020) Author's response Manuscript

ED: Publish as is (21 Jan 2021) by Jason Surratt

AR by Duseong Jo on behalf of the Authors (29 Jan 2021) Manuscript

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Short summary

Secondary organic aerosol (SOA) is a major component of submicron particulate matter, but there are a lot of uncertainties in the future prediction of SOA. We used CESM 2.1 to investigate future IEPOX SOA concentration changes. The explicit chemistry predicted substantial changes in IEPOX SOA depending on the future scenario, but the parameterization predicted weak changes due to simplified chemistry, which shows the importance of correct physicochemical dependencies in future SOA prediction.