Articles | Volume 21, issue 14
Atmos. Chem. Phys., 21, 11379–11404, 2021
https://doi.org/10.5194/acp-21-11379-2021
Atmos. Chem. Phys., 21, 11379–11404, 2021
https://doi.org/10.5194/acp-21-11379-2021

Research article 28 Jul 2021

Research article | 28 Jul 2021

Modeling study of the impact of SO2 volcanic passive emissions on the tropospheric sulfur budget

Claire Lamotte et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Claire Lamotte on behalf of the Authors (25 May 2021)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (28 May 2021) by Jianzhong Ma
ED: Publish as is (17 Jun 2021) by Jianzhong Ma
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Short summary
Improvements are made in a global chemical transfer model by considering a new volcanic SO2 emissions inventory, with more volcanoes referenced and more information on the altitude of injection. Better constraining volcanic emissions with this inventory improves the global, but mostly local, tropospheric sulfur composition. The tropospheric sulfur budget shows a nonlinearity to the volcanic contribution, especially to the sulfate aerosol burden and sulfur wet deposition.
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