Climatic impacts of stratospheric geoengineering with sulfate, black carbon  and titania injection

Jones, Anthony C.; Haywood, James M.; Jones, Andy

doi:10.5194/acp-16-2843-2016

Articles | Volume 16, issue 5

https://doi.org/10.5194/acp-16-2843-2016

© 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-16-2843-2016

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

Articles | Volume 16, issue 5

Research article

|

04 Mar 2016

Research article |

| 04 Mar 2016

Climatic impacts of stratospheric geoengineering with sulfate, black carbon and titania injection

Anthony C. Jones, James M. Haywood, and Andy Jones

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Feb 2016	58	14	1	73
Mar 2016	335	117	7	459
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Jul 2016	27	113	2	142
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Sep 2016	50	12	3	65
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Dec 2016	20	10	1	31
Jan 2017	56	69	7	132
Feb 2017	37	31	1	69
Mar 2017	89	58	2	149
Apr 2017	51	71	1	123
May 2017	53	54	1	108
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Jan 2018	29	34	3	66
Feb 2018	32	37	8	77
Mar 2018	62	44	13	119
Apr 2018	36	63	9	108
May 2018	32	41	10	83
Jun 2018	20	35	20	75
Jul 2018	19	45	5	69
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Sep 2018	34	41	7	82
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Mar 2026	0

Cumulative views and downloads (calculated since 03 Nov 2015)

Month	HTML	PDF	XML	Total
Nov 2015	268	156	16	440
Dec 2015	58	25	7	90
Jan 2016	49	26	2	77
Feb 2016	58	14	1	73
Mar 2016	335	117	7	459
Apr 2016	61	33	1	95
May 2016	28	17	0	45
Jun 2016	31	20	2	53
Jul 2016	27	113	2	142
Aug 2016	40	14	0	54
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Oct 2016	42	39	1	82
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Dec 2016	20	10	1	31
Jan 2017	56	69	7	132
Feb 2017	37	31	1	69
Mar 2017	89	58	2	149
Apr 2017	51	71	1	123
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Feb 2025	89	16	3	108
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Jul 2025	59	15	2	76
Aug 2025	73	37	2	112
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Oct 2025	46	25	0	71
Nov 2025	62	45	6	113
Dec 2025	66	46	2	114
Jan 2026	104	52	17	173
Feb 2026	65	23	4	92
Mar 2026	0

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Short summary

In this paper we assess the potential climatic impacts of geoengineering with sulfate, black carbon and titania injection strategies. We find that black carbon injection results in severe stratospheric warming and precipitation impacts, and therefore black carbon is unsuitable for geoengineering purposes. As the injection rates and climatic impacts for titania are close to those for sulfate, there appears little benefit of using titania when compared to injection of sulfur dioxide.