Transformation of logwood combustion emissions in a smog chamber: formation
of secondary organic aerosol and changes in the primary organic aerosol upon
daytime and nighttime aging

Tiitta, Petri; Leskinen, Ari; Hao, Liqing; Yli-Pirilä, Pasi; Kortelainen, Miika; Grigonyte, Julija; Tissari, Jarkko; Lamberg, Heikki; Hartikainen, Anni; Kuuspalo, Kari; Kortelainen, Aki-Matti; Virtanen, Annele; Lehtinen, Kari E. J.; Komppula, Mika; Pieber, Simone; Prévôt, André S. H.; Onasch, Timothy B.; Worsnop, Douglas R.; Czech, Hendryk; Zimmermann, Ralf; Jokiniemi, Jorma; Sippula, Olli

doi:https://doi.org/10.5194/acp-16-13251-2016

Articles | Volume 16, issue 20

https://doi.org/10.5194/acp-16-13251-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-16-13251-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 20

Research article

|

28 Oct 2016

Research article |

| 28 Oct 2016

Transformation of logwood combustion emissions in a smog chamber: formation of secondary organic aerosol and changes in the primary organic aerosol upon daytime and nighttime aging

Petri Tiitta, Ari Leskinen, Liqing Hao, Pasi Yli-Pirilä, Miika Kortelainen, Julija Grigonyte, Jarkko Tissari, Heikki Lamberg, Anni Hartikainen, Kari Kuuspalo, Aki-Matti Kortelainen, Annele Virtanen, Kari E. J. Lehtinen, Mika Komppula, Simone Pieber, André S. H. Prévôt, Timothy B. Onasch, Douglas R. Worsnop, Hendryk Czech, Ralf Zimmermann, Jorma Jokiniemi, and Olli Sippula

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Final revised paper (published on 28 Oct 2016)
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Preprint (discussion started on 02 May 2016)
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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 Tiitta et al.', Anonymous Referee #1, 02 Jul 2016
- AC1: 'Answer to Referee 1', Petri Tiitta, 02 Sep 2016
RC2: 'Review of Tiitta et al.,', Anonymous Referee #2, 22 Jul 2016
- AC2: 'Answer to Referee 2', Petri Tiitta, 02 Sep 2016

Peer-review completion

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

AR by Petri Tiitta on behalf of the Authors (24 Sep 2016) Author's response Manuscript

ED: Publish as is (11 Oct 2016) by David Topping

AR by Petri Tiitta on behalf of the Authors (11 Oct 2016) Author's response Manuscript

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Short summary

Real-time measurements of OA aging and SOA formation from logwood combustion were conducted under dark and UV oxidation. Substantial SOA formation was observed in all experiments, leading to twice the initial OA mass emphasizing the importance of the burning conditions for the aging processes. The results prove that emissions are subject to intensive chemical processing in the atmosphere; e.g. the most of the POA was found to become oxidized after the ozone addition, forming aged POA.