How can solar geoengineering  and mitigation be combined under climate targets?

Khabbazan, Mohammad M.; Stankoweit, Marius; Roshan, Elnaz; Schmidt, Hauke; Held, Hermann

doi:https://doi.org/10.5194/esd-12-1529-2021

Articles | Volume 12, issue 4

https://doi.org/10.5194/esd-12-1529-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/esd-12-1529-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 4

Research article

|

08 Dec 2021

Research article |

| 08 Dec 2021

How can solar geoengineering and mitigation be combined under climate targets?

Mohammad M. Khabbazan, Marius Stankoweit, Elnaz Roshan, Hauke Schmidt, and Hermann Held

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Final revised paper (published on 08 Dec 2021)
Preprint (discussion started on 18 Dec 2020)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'A review of the manuscript “Trade-offs of Solar Geoengineering and Mitigation under ClimateTargets” by Khabbazan et al.', Anonymous Referee #1, 01 Feb 2021
- AC1: 'Author Response to RC1', Mohammad M. Khabbazan, 30 Mar 2021
RC2: 'Review on the manuscript entitled “Trade-offs of Solar Geoengineering and Mitigation under Climate Targets', Anonymous Referee #2, 24 Feb 2021
- AC2: 'Author Response to RC2', Mohammad M. Khabbazan, 30 Mar 2021
AC1: 'Author Response to RC1', Mohammad M. Khabbazan, 30 Mar 2021
AC2: 'Author Response to RC2', Mohammad M. Khabbazan, 30 Mar 2021
AC3: 'Summary Response', Mohammad M. Khabbazan, 15 Jun 2021

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to minor revisions (review by editor) (01 Jul 2021) by Sagnik Dey

AR by Mohammad M. Khabbazan on behalf of the Authors (23 Aug 2021) Author's response Author's tracked changes Manuscript

ED: Publish as is (17 Oct 2021) by Sagnik Dey

AR by Mohammad M. Khabbazan on behalf of the Authors (27 Oct 2021) Manuscript

Short summary

We ask for an optimal amount of solar radiation management (SRM) in conjunction with mitigation if global warming is limited to 2 °C and regional precipitation anomalies are confined to an amount ethically compatible with the 2 °C target. Then, compared to a scenario without regional targets, most of the SRM usage is eliminated from the portfolio even if transgressing regional targets are tolerated in terms of 1/10 of the standard deviation of natural variability.