Articles | Volume 15, issue 16
Atmos. Chem. Phys., 15, 9129–9141, 2015
https://doi.org/10.5194/acp-15-9129-2015

Special issue: The Geoengineering Model Intercomparison Project (GeoMIP):...

Atmos. Chem. Phys., 15, 9129–9141, 2015
https://doi.org/10.5194/acp-15-9129-2015

Research article 18 Aug 2015

Research article | 18 Aug 2015

What is the limit of climate engineering by stratospheric injection of SO2?

U. Niemeier and C. Timmreck

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Interactive discussion

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 Ulrike Niemeier on behalf of the Authors (13 Jul 2015)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (14 Jul 2015) by Ben Kravitz
RR by Anonymous Referee #1 (17 Jul 2015)
RR by Anonymous Referee #2 (24 Jul 2015)
ED: Reconsider after minor revisions (Editor review) (30 Jul 2015) by Ben Kravitz
AR by Ulrike Niemeier on behalf of the Authors (31 Jul 2015)  Author's response    Manuscript
ED: Publish as is (03 Aug 2015) by Ben Kravitz
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Short summary
The injection of sulfur dioxide is considered as an option for solar radiation management. We have calculated the effects of SO2 injections up to 100 Tg(S)/y. Our calculations show that the forcing efficiency of the injection decays exponentially. This result implies that SO2 injections in the order of 6 times Mt. Pinatubo eruptions per year are required to keep temperatures constant at that anticipated for 2020, whilst maintaining business as usual emission conditions.
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