Articles | Volume 20, issue 6
Atmos. Chem. Phys., 20, 3697–3711, 2020
https://doi.org/10.5194/acp-20-3697-2020
Atmos. Chem. Phys., 20, 3697–3711, 2020
https://doi.org/10.5194/acp-20-3697-2020

Research article 27 Mar 2020

Research article | 27 Mar 2020

Pyruvic acid in the boreal forest: gas-phase mixing ratios and impact on radical chemistry

Philipp G. Eger et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by John N. Crowley on behalf of the Authors (09 Dec 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (12 Jan 2020) by Nga Lee Ng
RR by Anonymous Referee #2 (17 Jan 2020)
RR by Anonymous Referee #1 (28 Jan 2020)
ED: Publish subject to minor revisions (review by editor) (05 Feb 2020) by Nga Lee Ng
AR by John N. Crowley on behalf of the Authors (18 Feb 2020)  Author's response    Manuscript
ED: Publish as is (20 Feb 2020) by Nga Lee Ng
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Short summary
Pyruvic acid, CH3C(O)C(O)OH, is an organic acid of biogenic origin that plays a crucial role in plant metabolism, is present in tropospheric air in both gas-phase and aerosol-phase, and is implicated in the formation of secondary organic aerosols. From the first gas-phase measurements of pyruvic acid in the Finnish boreal forest in September 2016 we derive its source strength and discuss potential sources and sinks, with a focus on the relevance of gas-phase pyruvic acid for radical chemistry.
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