Dependency of the impacts of geoengineering on  the stratospheric sulfur injection strategy – Part 1: Intercomparison of modal and sectional aerosol modules

Laakso, Anton; Niemeier, Ulrike; Visioni, Daniele; Tilmes, Simone; Kokkola, Harri

doi:https://doi.org/10.5194/acp-22-93-2022

Articles | Volume 22, issue 1

Atmos. Chem. Phys., 22, 93–118, 2022

https://doi.org/10.5194/acp-22-93-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Resolving uncertainties in solar geoengineering through multi-model...

Atmos. Chem. Phys., 22, 93–118, 2022

https://doi.org/10.5194/acp-22-93-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 22, issue 1

Research article

| Highlight paper

04 Jan 2022

Research article | Highlight paper | 04 Jan 2022

Dependency of the impacts of geoengineering on the stratospheric sulfur injection strategy – Part 1: Intercomparison of modal and sectional aerosol modules

Anton Laakso et al.

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Cumulative views and downloads (calculated since 12 Jul 2021)

Month	HTML	PDF	XML	Total
Jul 2021	177	46	5	228
Aug 2021	104	31	3	138
Sep 2021	45	21	1	67
Oct 2021	66	21	5	92
Nov 2021	35	14	1	50
Dec 2021	34	11	2	47
Jan 2022	556	126	9	691
Feb 2022	175	47	5	227
Mar 2022	153	24	1	178
Apr 2022	186	18	2	206
May 2022	89	14	1	104
Jun 2022	103	9	1	113
Jul 2022	137	12	0	149
Aug 2022	149	18	1	168
Sep 2022	125	13	0	138
Oct 2022	111	11	2	124
Nov 2022	108	16	1	125
Dec 2022	103	12	2	117
Jan 2023	78	23	1	102

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Short summary

The use of different spatio-temporal sulfur injection strategies with different magnitudes to create an artificial reflective aerosol layer to cool the climate is studied using sectional and modal aerosol schemes in a climate model. There are significant differences in the results depending on the aerosol microphysical module used. Different spatio-temporal injection strategies have a significant impact on the magnitude and zonal distribution of radiative forcing and atmospheric dynamics.

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