Impact of NOx and OH on secondary organic aerosol formation from
β-pinene photooxidation

Sarrafzadeh, Mehrnaz; Wildt, Jürgen; Pullinen, Iida; Springer, Monika; Kleist, Einhard; Tillmann, Ralf; Schmitt, Sebastian H.; Wu, Cheng; Mentel, Thomas F.; Zhao, Defeng; Hastie, Donald R.; Kiendler-Scharr, Astrid

doi:https://doi.org/10.5194/acp-16-11237-2016

Articles | Volume 16, issue 17

https://doi.org/10.5194/acp-16-11237-2016

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

https://doi.org/10.5194/acp-16-11237-2016

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

Articles | Volume 16, issue 17

Research article

|

12 Sep 2016

Research article |

| 12 Sep 2016

Impact of NO_x and OH on secondary organic aerosol formation from β-pinene photooxidation

Mehrnaz Sarrafzadeh, Jürgen Wildt, Iida Pullinen, Monika Springer, Einhard Kleist, Ralf Tillmann, Sebastian H. Schmitt, Cheng Wu, Thomas F. Mentel, Defeng Zhao, Donald R. Hastie, and Astrid Kiendler-Scharr

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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, 30 May 2016
RC2: 'review of Sarrafzadeh et al.', Anonymous Referee #2, 31 May 2016
AC1: 'Final response of authors', Jürgen Wildt, 19 Jul 2016

Peer-review completion

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

AR by Jürgen Wildt on behalf of the Authors (19 Jul 2016) Author's response Manuscript

ED: Referee Nomination & Report Request started (01 Aug 2016) by Nga Lee Ng

RR by Anonymous Referee #2 (13 Aug 2016)

ED: Publish subject to technical corrections (18 Aug 2016) by Nga Lee Ng

AR by Jürgen Wildt on behalf of the Authors (24 Aug 2016) Manuscript

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Short summary

We investigated NO_x impacts on the formation of secondary organic aerosol (SOA) mass from b-pinene and we could reveal two different mechanisms of impacts. One of them was the impact of NO_x on OH that could explain increasing SOA yield with increasing NO_x at low NO_x conditions. The other was the suppression of new particle formation limiting the condensational sink for the SOA precursors. This effect could explain a substantial fraction of the decrease of SOA yield observed at high NO_x.

Impact of NOx and OH on secondary organic aerosol formation from β-pinene photooxidation

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Interactive discussion

Peer-review completion

Impact of NO_x and OH on secondary organic aerosol formation from β-pinene photooxidation