Potential dual effect of anthropogenic emissions on the formation of biogenic secondary organic aerosol (BSOA)

Kari, Eetu; Hao, Liqing; Ylisirniö, Arttu; Buchholz, Angela; Leskinen, Ari; Yli-Pirilä, Pasi; Nuutinen, Ilpo; Kuuspalo, Kari; Jokiniemi, Jorma; Faiola, Celia L.; Schobesberger, Siegfried; Virtanen, Annele

doi:https://doi.org/10.5194/acp-19-15651-2019

Articles | Volume 19, issue 24

https://doi.org/10.5194/acp-19-15651-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Simulation chambers as tools in atmospheric research (AMT/ACP/GMD...

https://doi.org/10.5194/acp-19-15651-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 24

Research article

|

20 Dec 2019

Research article |

| 20 Dec 2019

Potential dual effect of anthropogenic emissions on the formation of biogenic secondary organic aerosol (BSOA)

Eetu Kari, Liqing Hao, Arttu Ylisirniö, Angela Buchholz, Ari Leskinen, Pasi Yli-Pirilä, Ilpo Nuutinen, Kari Kuuspalo, Jorma Jokiniemi, Celia L. Faiola, Siegfried Schobesberger, and Annele Virtanen

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Interactive discussion

Status: closed

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

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RC1: 'Review of "Dual effect of anthropogenic emissions on the formation of biogenic SOA" by Kari et al.', Anonymous Referee #1, 17 Jul 2019
- AC1: 'Authors' reply to reviewer 1', Annele Virtanen, 16 Sep 2019
RC2: 'Review', Anonymous Referee #2, 22 Jul 2019
- AC2: 'Authors' reply to reviewer 2', Annele Virtanen, 16 Sep 2019

Peer-review completion

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

AR by Annele Virtanen on behalf of the Authors (16 Sep 2019) Author's response Manuscript

ED: Publish as is (20 Oct 2019) by Gordon McFiggans

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Short summary

We present, for the first time, the dual effect of GDI-vehicle exhaust on α-pinene SOA mass yield suppression. The first effect is a well-known NOx effect, but the second effect is more complex. Our results imply that this second effect is related to change of reaction pathways of α-pinene in the presence of GDI exhaust. The presence of vehicle exhaust caused more than 50 % suppression in α-pinene SOA mass yield compared to the α-pinene SOA mass yield measured in the absence of GDI emissions.