Articles | Volume 17, issue 7
Atmos. Chem. Phys., 17, 4857–4870, 2017
https://doi.org/10.5194/acp-17-4857-2017
Atmos. Chem. Phys., 17, 4857–4870, 2017
https://doi.org/10.5194/acp-17-4857-2017

Research article 13 Apr 2017

Research article | 13 Apr 2017

Space-based observation of volcanic iodine monoxide

Anja Schönhardt et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Anja Schoenhardt on behalf of the Authors (24 Feb 2017)  Author's response    Manuscript
ED: Publish subject to technical corrections (08 Mar 2017) by Martyn Chipperfield
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Short summary
Iodine monoxide, IO, is observed in satellite measurements following the eruption of the Kasatochi volcano, Alaska, in August 2008. Large IO columns are detected by SCIAMACHY on ENVISAT and by GOME-2 on MetOp-A for several days. IO amounts are approximately 1 order of magnitude smaller than those of BrO. Details in the spatial distributions differ between IO, BrO and sulfur dioxide, SO2. The total mass of IO in the volcanic plume is determined to be on the order of 10 Mg.
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