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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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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