Articles | Volume 18, issue 18
Atmos. Chem. Phys., 18, 13457–13479, 2018
https://doi.org/10.5194/acp-18-13457-2018
Atmos. Chem. Phys., 18, 13457–13479, 2018
https://doi.org/10.5194/acp-18-13457-2018

Research article 21 Sep 2018

Research article | 21 Sep 2018

Insights into HOx and ROx chemistry in the boreal forest via measurement of peroxyacetic acid, peroxyacetic nitric anhydride (PAN) and hydrogen peroxide

John N. Crowley et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by John N. Crowley on behalf of the Authors (20 Aug 2018)  Author's response    Manuscript
ED: Publish as is (23 Aug 2018) by Thomas Karl
AR by John N. Crowley on behalf of the Authors (28 Aug 2018)  Author's response    Manuscript
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Short summary
Simultaneous observations of PAA, PAN and H2O2 are used to provide insight into processes influencing the HOx chemistry of the boreal forest, including two biomass-burning-impacted periods. A significant contribution from photolytic HOx sources was included in a box model analysis to align model predictions with measurements. The model predicts high levels of organic peroxy radicals, also at night-time.
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