Stratospheric sulfate geoengineering could enhance the terrestrial  photosynthesis rate

Xia, L.; Robock, A.; Tilmes, S.; Neely III, R. R.

doi:https://doi.org/10.5194/acp-16-1479-2016

Articles | Volume 16, issue 3

https://doi.org/10.5194/acp-16-1479-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

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

https://doi.org/10.5194/acp-16-1479-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 3

Research article

|

10 Feb 2016

Research article |

| 10 Feb 2016

Stratospheric sulfate geoengineering could enhance the terrestrial photosynthesis rate

L. Xia, A. Robock, S. Tilmes, and R. R. Neely III

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Final revised paper (published on 10 Feb 2016)
Preprint (discussion started on 21 Sep 2015)

Interactive discussion

Status: closed

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

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RC C8572: 'review of "Stratospheric Sulfate Geoengineering Enhances the Terrestrial Gross Primary Productivity" by Xia et al.', Anonymous Referee #1, 27 Oct 2015
RC C8851: 'Review of Xia et al. "Stratospheric sulfate geoengineering enhances terrestrial gross primary productivity"', Anonymous Referee #2, 02 Nov 2015
SC C9252: 'Comment on 'Stratospheric Sulfate Geoengineering Enhances the Terrestrial Gross Primary Productivity'', Erik van Schaik, 13 Nov 2015
SC C9253: 'Comment on 'Stratospheric Sulfate Geoengineering Enhances the Terrestrial Gross Primary Productivity' by Xia et al.', Erik van Schaik, 13 Nov 2015
EC C9409: 'Editorial Comment', Ben Kravitz, 17 Nov 2015
AC C11822: 'Response to reviewers', Alan Robock, 20 Jan 2016

Peer-review completion

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

AR by Alan Robock on behalf of the Authors (20 Jan 2016) Manuscript

ED: Publish as is (21 Jan 2016) by Ben Kravitz

AR by Alan Robock on behalf of the Authors (22 Jan 2016)

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Short summary

Climate model simulations show that stratospheric sulfate geoengineering could impact the terrestrial carbon cycle by enhancing the carbon sink. Enhanced downward diffuse radiation, combined with cooling, could stimulate plants to grow more and absorb more carbon dioxide. This beneficial impact of stratospheric sulfate geoengineering would need to be balanced by a large number of potential risks in any future decisions about implementation of geoengineering.