Evolution of NO<sub>3</sub> reactivity during the oxidation of isoprene

Dewald, Patrick; Liebmann, Jonathan M.; Friedrich, Nils; Shenolikar, Justin; Schuladen, Jan; Rohrer, Franz; Reimer, David; Tillmann, Ralf; Novelli, Anna; Cho, Changmin; Xu, Kangming; Holzinger, Rupert; Bernard, François; Zhou, Li; Mellouki, Wahid; Brown, Steven S.; Fuchs, Hendrik; Lelieveld, Jos; Crowley, John N.

doi:https://doi.org/10.5194/acp-20-10459-2020

Articles | Volume 20, issue 17

https://doi.org/10.5194/acp-20-10459-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Simulation chambers as tools in atmospheric research (AMT/ACP/GMD...

https://doi.org/10.5194/acp-20-10459-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 17

Research article

|

08 Sep 2020

Research article |

| 08 Sep 2020

Evolution of NO₃ reactivity during the oxidation of isoprene

Patrick Dewald, Jonathan M. Liebmann, Nils Friedrich, Justin Shenolikar, Jan Schuladen, Franz Rohrer, David Reimer, Ralf Tillmann, Anna Novelli, Changmin Cho, Kangming Xu, Rupert Holzinger, François Bernard, Li Zhou, Wahid Mellouki, Steven S. Brown, Hendrik Fuchs, Jos Lelieveld, and John N. Crowley

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Final revised paper (published on 08 Sep 2020)
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Preprint (discussion started on 11 May 2020)
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Status: closed

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

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AC1: 'Important note on model calculations', Patrick Dewald, 21 May 2020
RC1: 'report', Anonymous Referee #1, 08 Jun 2020
- AC2: 'Reply to RC1', Patrick Dewald, 07 Jul 2020
  - EC1: 'Comment on fragmentation', Thomas Karl, 31 Jul 2020
RC2: 'Anonymous Review', Anonymous Referee #2, 09 Jun 2020
- AC3: 'Reply to RC2', Patrick Dewald, 07 Jul 2020

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

AR by Patrick Dewald on behalf of the Authors (07 Jul 2020) Author's response Manuscript

ED: Publish as is (31 Jul 2020) by Thomas Karl

AR by Patrick Dewald on behalf of the Authors (03 Aug 2020)

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Short summary

We present direct measurements of NO₃ reactivity resulting from the oxidation of isoprene by NO₃ during an intensive simulation chamber study. Measurements were in excellent agreement with values calculated from measured isoprene amounts and the rate coefficient for the reaction of NO₃ with isoprene. Comparison of the measurement with NO₃ reactivities from non-steady-state and model calculations suggests that isoprene-derived RO₂ and HO₂ radicals account to ~ 50 % of overall NO₃ losses.

Evolution of NO3 reactivity during the oxidation of isoprene

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Evolution of NO₃ reactivity during the oxidation of isoprene