Articles | Volume 21, issue 11
Atmos. Chem. Phys., 21, 8437–8454, 2021
https://doi.org/10.5194/acp-21-8437-2021
Atmos. Chem. Phys., 21, 8437–8454, 2021
https://doi.org/10.5194/acp-21-8437-2021

Research article 03 Jun 2021

Research article | 03 Jun 2021

Modelling the impacts of iodine chemistry on the northern Indian Ocean marine boundary layer

Anoop S. Mahajan et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Anoop Mahajan on behalf of the Authors (23 Mar 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (25 Mar 2021) by Jens-Uwe Grooß
RR by Rafael Pedro Fernandez (25 Mar 2021)
RR by Rolf Sander (29 Mar 2021)
ED: Publish as is (29 Mar 2021) by Jens-Uwe Grooß
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Short summary
Using a regional model, we show that iodine-catalysed reactions cause large regional changes in the chemical composition in the northern Indian Ocean, with peak changes of up to 25 % in O3, 50 % in nitrogen oxides (NO and NO2), 15 % in hydroxyl radicals (OH), 25 % in hydroperoxyl radicals (HO2), and up to a 50 % change in the nitrate radical (NO3). These results show the importance of including iodine chemistry in modelling the atmosphere in this region.
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