Impact of pyruvic acid photolysis on acetaldehyde  and peroxy radical formation in the boreal forest:  theoretical calculations and model results

Eger, Philipp G.; Vereecken, Luc; Sander, Rolf; Schuladen, Jan; Sobanski, Nicolas; Fischer, Horst; Karu, Einar; Williams, Jonathan; Vakkari, Ville; Petäjä, Tuukka; Lelieveld, Jos; Pozzer, Andrea; Crowley, John N.

doi:https://doi.org/10.5194/acp-21-14333-2021

Articles | Volume 21, issue 18

https://doi.org/10.5194/acp-21-14333-2021

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

https://doi.org/10.5194/acp-21-14333-2021

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

Articles | Volume 21, issue 18

Research article

|

28 Sep 2021

Research article |

| 28 Sep 2021

Impact of pyruvic acid photolysis on acetaldehyde and peroxy radical formation in the boreal forest: theoretical calculations and model results

Philipp G. Eger, Luc Vereecken, Rolf Sander, Jan Schuladen, Nicolas Sobanski, Horst Fischer, Einar Karu, Jonathan Williams, Ville Vakkari, Tuukka Petäjä, Jos Lelieveld, Andrea Pozzer, and John N. Crowley

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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 acp-2020-975', Anonymous Referee #1, 03 Dec 2020
- AC1: 'Reply to RC1', John N. Crowley, 17 Jun 2021
RC2: 'Anonymous Review', Anonymous Referee #2, 04 Feb 2021
- AC2: 'Reply to RC2', John N. Crowley, 17 Jun 2021

Peer-review completion

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

AR by John N. Crowley on behalf of the Authors (23 Jun 2021) Author's response Author's tracked changes Manuscript

ED: Referee Nomination & Report Request started (29 Jun 2021) by Gabriele Stiller

RR by Anonymous Referee #2 (14 Jul 2021)

RR by Anonymous Referee #1 (23 Jul 2021)

ED: Publish subject to minor revisions (review by editor) (17 Aug 2021) by Gabriele Stiller

AR by John N. Crowley on behalf of the Authors (01 Sep 2021) Author's response Author's tracked changes Manuscript

ED: Publish as is (07 Sep 2021) by Gabriele Stiller

AR by John N. Crowley on behalf of the Authors (08 Sep 2021) Author's response Manuscript

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Short summary

We determine the impact of pyruvic acid photolysis on the formation of acetaldehyde and peroxy radicals during summer and autumn in the Finnish boreal forest using a data-constrained box model. Our results are dependent on the chosen scenario in which the overall quantum yield and the photolysis products are varied. We highlight that pyruvic acid photolysis can be an important contributor to acetaldehyde and peroxy radical formation in remote, forested regions.