Articles | Volume 24, issue 23
https://doi.org/10.5194/acp-24-13253-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-13253-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
29 Nov 2024
Research article |
| 29 Nov 2024
| 29 Nov 2024
How does the latitude of stratospheric aerosol injection affect the climate in UKESM1?
Department of Mathematics, University of Exeter, Exeter, UK
Ewa M. Bednarz
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder, Boulder, CO, USA
NOAA Chemical Sciences Laboratory (NOAA CSL), Boulder, CO, USA
Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, USA
Jim Haywood
Department of Mathematics, University of Exeter, Exeter, UK
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Cited
19 citations as recorded by crossref.
- Engineering and logistical concerns add practical limitations to stratospheric aerosol injection strategies M. Hack et al. https://doi.org/10.1038/s41598-025-20447-2
- Asymmetric cross-hemispheric climate response to extratropical forcing mediated by tropical Pacific coupling J. Moon et al. https://doi.org/10.1038/s43247-026-03706-6
- Impacts of stratospheric aerosol injection geoengineering deployment and termination on extreme climate events in China H. Zhang et al. https://doi.org/10.1007/s11430-025-1886-7
- Recent Advances in Radiative Cooling: From Fundamentals to Commercial Applications H. Keawmuang et al. https://doi.org/10.1021/acsami.6c00074
- Energetic constraints on tropical precipitation changes under stratospheric aerosol geoengineering: a topical review A. Xavier et al. https://doi.org/10.1088/1748-9326/ae6714
- Exploring divergent long-term stratospheric aerosol injection scenarios with the G2-SAI and ARISE-hybrid experiments W. Lee et al. https://doi.org/10.5194/esd-17-1117-2026
- Injection near the stratopause mitigates the stratospheric side effects of sulfur-based climate intervention P. Yu et al. https://doi.org/10.5194/acp-25-18449-2025
- Stratospheric aerosol injection does not cause stronger Asian monsoon drying than greenhouse gas mitigation C. He et al. https://doi.org/10.1088/1748-9326/ae2282
- Commentary: Safeguarding the polar regions from dangerous geoengineering: a critical assessment of proposed concepts and future prospects M. Henry & A. Duffey https://doi.org/10.3389/feart.2025.1709127
- 平流层气溶胶注入地球工程实施与终止对中国极端气候的影响 昊. 张 et al. https://doi.org/10.1360/SSTe-2025-0201
- Efficacy assessment of stratospheric aerosol scrubbing as a counter climate intervention strategy A. Jones et al. https://doi.org/10.5194/acp-26-7589-2026
- Stratospheric ozone projections under sulfur-based stratospheric aerosol injection: Insights from the multi-model G6-1.5K-SAI experiment E. Bednarz et al. https://doi.org/10.5194/acp-26-12751-2026
- Divergent impacts of climate interventions on China’s north-south water divide X. Zhang et al. https://doi.org/10.1038/s43247-025-02708-0
- Materials with smaller absorptivity could reduce detrimental impacts of stratospheric aerosol injection on the hydrological cycle M. Geurts et al. https://doi.org/10.1088/1748-9326/ae7e0d
- The global climate response to High-Latitude Low-Altitude Stratospheric Aerosol Injection (HiLLA-SAI) A. Duffey et al. https://doi.org/10.5194/esd-17-353-2026
- Volcanic aerosol modification of the stratospheric circulation in E3SMv2 – Part 2: Brewer–Dobson Circulation J. Hollowed et al. https://doi.org/10.5194/acp-26-6889-2026
- G6-1.5K-MCB: Marine Cloud Brightening scenario design for the Geoengineering Model Intercomparison Project (GeoMIP) in CESM2.1, E3SMv2.0, and UKESM1.1 H. Hirasawa et al. https://doi.org/10.5194/gmd-19-3257-2026
- G6-1.5K-SAI and G6sulfur: changes in impacts and uncertainty depending on stratospheric aerosol injection strategy in the Geoengineering Model Intercomparison Project W. Lee et al. https://doi.org/10.5194/acp-26-7463-2026
- A Climate Intervention Dynamical Emulator (CIDER) for scenario space exploration J. Farley et al. https://doi.org/10.5194/gmd-19-1809-2026
19 citations as recorded by crossref.
- Engineering and logistical concerns add practical limitations to stratospheric aerosol injection strategies M. Hack et al. https://doi.org/10.1038/s41598-025-20447-2
- Asymmetric cross-hemispheric climate response to extratropical forcing mediated by tropical Pacific coupling J. Moon et al. https://doi.org/10.1038/s43247-026-03706-6
- Impacts of stratospheric aerosol injection geoengineering deployment and termination on extreme climate events in China H. Zhang et al. https://doi.org/10.1007/s11430-025-1886-7
- Recent Advances in Radiative Cooling: From Fundamentals to Commercial Applications H. Keawmuang et al. https://doi.org/10.1021/acsami.6c00074
- Energetic constraints on tropical precipitation changes under stratospheric aerosol geoengineering: a topical review A. Xavier et al. https://doi.org/10.1088/1748-9326/ae6714
- Exploring divergent long-term stratospheric aerosol injection scenarios with the G2-SAI and ARISE-hybrid experiments W. Lee et al. https://doi.org/10.5194/esd-17-1117-2026
- Injection near the stratopause mitigates the stratospheric side effects of sulfur-based climate intervention P. Yu et al. https://doi.org/10.5194/acp-25-18449-2025
- Stratospheric aerosol injection does not cause stronger Asian monsoon drying than greenhouse gas mitigation C. He et al. https://doi.org/10.1088/1748-9326/ae2282
- Commentary: Safeguarding the polar regions from dangerous geoengineering: a critical assessment of proposed concepts and future prospects M. Henry & A. Duffey https://doi.org/10.3389/feart.2025.1709127
- 平流层气溶胶注入地球工程实施与终止对中国极端气候的影响 昊. 张 et al. https://doi.org/10.1360/SSTe-2025-0201
- Efficacy assessment of stratospheric aerosol scrubbing as a counter climate intervention strategy A. Jones et al. https://doi.org/10.5194/acp-26-7589-2026
- Stratospheric ozone projections under sulfur-based stratospheric aerosol injection: Insights from the multi-model G6-1.5K-SAI experiment E. Bednarz et al. https://doi.org/10.5194/acp-26-12751-2026
- Divergent impacts of climate interventions on China’s north-south water divide X. Zhang et al. https://doi.org/10.1038/s43247-025-02708-0
- Materials with smaller absorptivity could reduce detrimental impacts of stratospheric aerosol injection on the hydrological cycle M. Geurts et al. https://doi.org/10.1088/1748-9326/ae7e0d
- The global climate response to High-Latitude Low-Altitude Stratospheric Aerosol Injection (HiLLA-SAI) A. Duffey et al. https://doi.org/10.5194/esd-17-353-2026
- Volcanic aerosol modification of the stratospheric circulation in E3SMv2 – Part 2: Brewer–Dobson Circulation J. Hollowed et al. https://doi.org/10.5194/acp-26-6889-2026
- G6-1.5K-MCB: Marine Cloud Brightening scenario design for the Geoengineering Model Intercomparison Project (GeoMIP) in CESM2.1, E3SMv2.0, and UKESM1.1 H. Hirasawa et al. https://doi.org/10.5194/gmd-19-3257-2026
- G6-1.5K-SAI and G6sulfur: changes in impacts and uncertainty depending on stratospheric aerosol injection strategy in the Geoengineering Model Intercomparison Project W. Lee et al. https://doi.org/10.5194/acp-26-7463-2026
- A Climate Intervention Dynamical Emulator (CIDER) for scenario space exploration J. Farley et al. https://doi.org/10.5194/gmd-19-1809-2026
Saved (final revised paper)
Latest update: 20 Sep 2026
Short summary
Stratospheric aerosol injection (SAI) refers to a climate intervention by which aerosols are intentionally added to the high atmosphere to increase the amount of reflected sunlight and reduce Earth's temperature. The climate outcomes of SAI depend on the latitude of injection. While injecting aerosols at the Equator has undesirable side effects, injecting away from the Equator has different effects on temperature, rainfall, ozone, and atmospheric circulation, which are analysed in this work.
Stratospheric aerosol injection (SAI) refers to a climate intervention by which aerosols are...
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