Articles | Volume 16, issue 24
Atmos. Chem. Phys., 16, 15593–15604, 2016
https://doi.org/10.5194/acp-16-15593-2016
Atmos. Chem. Phys., 16, 15593–15604, 2016
https://doi.org/10.5194/acp-16-15593-2016

Research article 19 Dec 2016

Research article | 19 Dec 2016

Nighttime atmospheric chemistry of iodine

Alfonso Saiz-Lopez et al.

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Carlos Alberto Cuevas Rodríguez on behalf of the Authors (19 Sep 2016)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (22 Sep 2016) by Jens-Uwe Grooß
RR by Florent LOUIS (22 Sep 2016)
RR by Anonymous Referee #1 (23 Sep 2016)
ED: Reconsider after major revisions (23 Sep 2016) by Jens-Uwe Grooß
AR by Carlos Alberto Cuevas Rodríguez on behalf of the Authors (02 Dec 2016)  Author's response    Manuscript
ED: Publish subject to technical corrections (05 Dec 2016) by Jens-Uwe Grooß
AR by Carlos Alberto Cuevas Rodríguez on behalf of the Authors (05 Dec 2016)  Author's response    Manuscript
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Short summary
Electronic structure calculations are used to survey possible reactions that HOI and I2 could undergo at night in the lower troposphere, and hence reconcile measurements and models. The reactions NO3 + HOI and I2 + NO3 are included in two models to explore a new nocturnal iodine radical activation mechanism, leading to a reduction of nighttime HOI and I2. This chemistry can have a large impact on NO3 levels in the MBL, and hence upon the nocturnal oxidizing capacity of the marine atmosphere.
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