Articles | Volume 18, issue 5
Atmos. Chem. Phys., 18, 3799–3815, 2018
https://doi.org/10.5194/acp-18-3799-2018
Atmos. Chem. Phys., 18, 3799–3815, 2018
https://doi.org/10.5194/acp-18-3799-2018
Research article
15 Mar 2018
Research article | 15 Mar 2018

Direct measurement of NO3 radical reactivity in a boreal forest

Jonathan Liebmann et al.

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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
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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.
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