Direct measurement of NO<sub>3</sub> radical reactivity in a boreal forest

Liebmann, Jonathan; Karu, Einar; Sobanski, Nicolas; Schuladen, Jan; Ehn, Mikael; Schallhart, Simon; Quéléver, Lauriane; Hellen, Heidi; Hakola, Hannele; Hoffmann, Thorsten; Williams, Jonathan; Fischer, Horst; Lelieveld, Jos; Crowley, John N.

doi:https://doi.org/10.5194/acp-18-3799-2018

Articles | Volume 18, issue 5

https://doi.org/10.5194/acp-18-3799-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-18-3799-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 5

Research article

|

15 Mar 2018

Research article |

| 15 Mar 2018

Direct measurement of NO₃ radical reactivity in a boreal forest

Jonathan Liebmann, Einar Karu, Nicolas Sobanski, Jan Schuladen, Mikael Ehn, Simon Schallhart, Lauriane Quéléver, Heidi Hellen, Hannele Hakola, Thorsten Hoffmann, Jonathan Williams, Horst Fischer, Jos Lelieveld, and John N. Crowley

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Final revised paper (published on 15 Mar 2018)
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Preprint (discussion started on 16 Nov 2017)
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Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Referee comment', Anonymous Referee #1, 16 Dec 2017
- AC1: 'Reply to reviewer's comments', John N. Crowley, 31 Jan 2018
RC2: 'Review of Liebmann et al', Anonymous Referee #2, 29 Jan 2018
- AC1: 'Reply to reviewer's comments', John N. Crowley, 31 Jan 2018

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

AR by John N. Crowley on behalf of the Authors (01 Feb 2018) Author's response Manuscript

ED: Publish as is (12 Feb 2018) by Dwayne Heard

AR by John N. Crowley on behalf of the Authors (13 Feb 2018) Manuscript

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Short summary

Using a newly developed experimental setup, we have made the first direct measurements (during autumn 2016) of NO₃ reactivity in the Finnish boreal forest. The NO₃ reactivity was generally very high (maximum value of 0.94/s) so that daytime reaction with organics was a substantial fraction of the NO₃ loss. Observations of biogenic hydrocarbons (BVOCs) suggested a dominant role for monoterpenes in determining the NO₃ reactivity, which displayed a strong vertical gradient between 8.5 and 25 m.

Direct measurement of NO3 radical reactivity in a boreal forest

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Direct measurement of NO₃ radical reactivity in a boreal forest