Articles | Volume 18, issue 24
Atmos. Chem. Phys., 18, 17909–17931, 2018
https://doi.org/10.5194/acp-18-17909-2018
Atmos. Chem. Phys., 18, 17909–17931, 2018
https://doi.org/10.5194/acp-18-17909-2018

Research article 18 Dec 2018

Research article | 18 Dec 2018

Photochemical box modelling of volcanic SO2 oxidation: isotopic constraints

Tommaso Galeazzo et al.

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Latest update: 19 Oct 2021
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Short summary
Volcanic sulfur can have climatic impacts for the planet via sulfate aerosol formation, leading also to pollution events. We provide model constraints on tropospheric volcanic sulfate formation, with implications for its lifetime and impacts on regional air quality. Oxygen isotope investigations from our model suggest that in the poor tropospheric plumes of halogens, the O2/TMI sulfur oxidation pathway might significantly control sulfate production. The produced sulfate has no isotopic anomaly.
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