Articles | Volume 17, issue 19
https://doi.org/10.5194/acp-17-11913-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-17-11913-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Impacts of stratospheric sulfate geoengineering on tropospheric ozone
Department of Environmental Sciences, Rutgers University, New
Brunswick, New Jersey, USA
Peer J. Nowack
Department of Chemistry, Centre for Atmospheric Science, University of
Cambridge, Cambridge, UK
now at: Grantham Institute and Department of
Physics, Faculty of Natural Sciences, Imperial College London, London, UK
Simone Tilmes
Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric
Research, Boulder, Colorado, USA
Alan Robock
Department of Environmental Sciences, Rutgers University, New
Brunswick, New Jersey, USA
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49 citations as recorded by crossref.
- Optimizing stratospheric aerosol lifetime and albedo through particle morphology and refractive index B. Vennes et al. https://doi.org/10.1039/D5EA00026B
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- 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
- Potential ecological impacts of climate intervention by reflecting sunlight to cool Earth P. Zarnetske et al. https://doi.org/10.1073/pnas.1921854118
- Heterogeneous Reactivity of HCl on CaCO3 Aerosols at Stratospheric Temperature H. Huynh & V. McNeill https://doi.org/10.1021/acsearthspacechem.1c00151
- Practical paths to risk-risk analysis of solar radiation modification T. Felgenhauer et al. https://doi.org/10.1093/oxfclm/kgaf012
- Upper tropospheric ice sensitivity to sulfate geoengineering D. Visioni et al. https://doi.org/10.5194/acp-18-14867-2018
- World Climate Research Programme lighthouse activity: an assessment of major research gaps in solar radiation modification research J. Haywood et al. https://doi.org/10.3389/fclim.2025.1507479
- Improving risk governance strategies via learning: a comparative analysis of solar radiation modification and gene drives K. Grieger et al. https://doi.org/10.1007/s10669-024-09979-6
- A Model‐Based Investigation of Terrestrial Plant Carbon Uptake Response to Four Radiation Modification Approaches L. Duan et al. https://doi.org/10.1029/2019JD031883
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- Key Gaps in Models' Physical Representation of Climate Intervention and Its Impacts S. Eastham et al. https://doi.org/10.1029/2024MS004872
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- An approach to sulfate geoengineering with surface emissions of carbonyl sulfide I. Quaglia et al. https://doi.org/10.5194/acp-22-5757-2022
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- Solar Geoengineering: History, Methods, Governance, Prospects E. Parson & D. Keith https://doi.org/10.1146/annurev-environ-112321-081911
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- A computationally efficient method to model similar and alternate stratospheric aerosol injection experiments using prescribed aerosols in a lower-complexity version of the same model: a case study using CESM(CAM) and CESM(WACCM) J. de Jong et al. https://doi.org/10.5194/gmd-18-8679-2025
- An investigation of the relationship between tropical monsoon precipitation changes and stratospheric sulfate aerosol optical depth A. Xavier et al. https://doi.org/10.1093/oxfclm/kgae016
- Climate econometric models indicate solar geoengineering would reduce inter-country income inequality A. Harding et al. https://doi.org/10.1038/s41467-019-13957-x
- Investigation of water-soluble organic constituents and their spatio-temporal heterogeneity over the Tibetan Plateau H. Niu et al. https://doi.org/10.1016/j.envpol.2022.119093
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- Extreme Ozone Loss Following Nuclear War Results in Enhanced Surface Ultraviolet Radiation C. Bardeen et al. https://doi.org/10.1029/2021JD035079
- Stratospheric transport and tropospheric sink of solar geoengineering aerosol: a Lagrangian analysis H. Sun et al. https://doi.org/10.1038/s41612-024-00664-8
- Stratospheric aerosol injection may impact global systems and human health outcomes S. Tracy et al. https://doi.org/10.1525/elementa.2022.00047
49 citations as recorded by crossref.
- Optimizing stratospheric aerosol lifetime and albedo through particle morphology and refractive index B. Vennes et al. https://doi.org/10.1039/D5EA00026B
- Air quality impacts of stratospheric aerosol injections are likely small and mainly driven by changes in climate, not aerosol settling C. Wang et al. https://doi.org/10.5194/acp-26-1339-2026
- How marine cloud brightening could also affect stratospheric ozone E. Bednarz et al. https://doi.org/10.1126/sciadv.adu4038
- Solar geoengineering as part of an overall strategy for meeting the 1.5°C Paris target D. MacMartin et al. https://doi.org/10.1098/rsta.2016.0454
- Climate response to off-equatorial stratospheric sulfur injections in three Earth system models – Part 2: Stratospheric and free-tropospheric response E. Bednarz et al. https://doi.org/10.5194/acp-23-687-2023
- Impact of Hunga Tonga-Hunga Ha’apai Volcanic Eruption on Stratospheric Water Vapour, Temperature, and Ozone G. Basha et al. https://doi.org/10.3390/rs15143602
- A regional nuclear conflict would compromise global food security J. Jägermeyr et al. https://doi.org/10.1073/pnas.1919049117
- Stratospheric ozone response to sulfate aerosol and solar dimming climate interventions based on the G6 Geoengineering Model Intercomparison Project (GeoMIP) simulations S. Tilmes et al. https://doi.org/10.5194/acp-22-4557-2022
- 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
- Potential ecological impacts of climate intervention by reflecting sunlight to cool Earth P. Zarnetske et al. https://doi.org/10.1073/pnas.1921854118
- Heterogeneous Reactivity of HCl on CaCO3 Aerosols at Stratospheric Temperature H. Huynh & V. McNeill https://doi.org/10.1021/acsearthspacechem.1c00151
- Practical paths to risk-risk analysis of solar radiation modification T. Felgenhauer et al. https://doi.org/10.1093/oxfclm/kgaf012
- Upper tropospheric ice sensitivity to sulfate geoengineering D. Visioni et al. https://doi.org/10.5194/acp-18-14867-2018
- World Climate Research Programme lighthouse activity: an assessment of major research gaps in solar radiation modification research J. Haywood et al. https://doi.org/10.3389/fclim.2025.1507479
- Improving risk governance strategies via learning: a comparative analysis of solar radiation modification and gene drives K. Grieger et al. https://doi.org/10.1007/s10669-024-09979-6
- A Model‐Based Investigation of Terrestrial Plant Carbon Uptake Response to Four Radiation Modification Approaches L. Duan et al. https://doi.org/10.1029/2019JD031883
- Sulfur deposition changes under sulfate geoengineering conditions: quasi-biennial oscillation effects on the transport and lifetime of stratospheric aerosols D. Visioni et al. https://doi.org/10.5194/acp-18-2787-2018
- Key Gaps in Models' Physical Representation of Climate Intervention and Its Impacts S. Eastham et al. https://doi.org/10.1029/2024MS004872
- Impact of solar geoengineering on wildfires in the 21st century in CESM2/WACCM6 W. Tang et al. https://doi.org/10.5194/acp-23-5467-2023
- Earth system interventions as technologies of the Anthropocene J. Reynolds https://doi.org/10.1016/j.eist.2021.06.010
- Sensitivity of Total Column Ozone to Stratospheric Sulfur Injection Strategies S. Tilmes et al. https://doi.org/10.1029/2021GL094058
- An approach to sulfate geoengineering with surface emissions of carbonyl sulfide I. Quaglia et al. https://doi.org/10.5194/acp-22-5757-2022
- Extreme temperature and precipitation response to solar dimming and stratospheric aerosol geoengineering D. Ji et al. https://doi.org/10.5194/acp-18-10133-2018
- Influence of relative humidity on SO2 oxidation by O3 and NO2 on the surface of TiO2 particles: Potential for formation of secondary sulfate aerosol X. He & Y. Zhang https://doi.org/10.1016/j.saa.2019.04.046
- The potential environmental and climate impacts of stratospheric aerosol injection: a review H. Huynh & V. McNeill https://doi.org/10.1039/D3EA00134B
- Assessing the impact of solar climate intervention on future U.S. weather using a convection-permitting WRF model L. Sun et al. https://doi.org/10.5194/gmd-19-2239-2026
- Opinion: The scientific and community-building roles of the Geoengineering Model Intercomparison Project (GeoMIP) – past, present, and future D. Visioni et al. https://doi.org/10.5194/acp-23-5149-2023
- 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
- The Regional Hydroclimate Response to Stratospheric Sulfate Geoengineering and the Role of Stratospheric Heating I. Simpson et al. https://doi.org/10.1029/2019JD031093
- Formation and driving factors of sulfate in PM2.5 at a high-level atmospheric SO2 city of Yangquan in China C. Wang et al. https://doi.org/10.1007/s11869-020-00953-0
- The Overlooked Role of the Stratosphere Under a Solar Constant Reduction E. Bednarz et al. https://doi.org/10.1029/2022GL098773
- Kinetics study of heterogeneous reactions of O3 and SO2 with sea salt single droplets using micro-FTIR spectroscopy: Potential for formation of sulfate aerosol in atmospheric environment X. He & Y. Zhang https://doi.org/10.1016/j.saa.2020.118219
- Overlooked Long‐Term Atmospheric Chemical Feedbacks Alter the Impact of Solar Geoengineering: Implications for Tropospheric Oxidative Capacity J. Moch et al. https://doi.org/10.1029/2023AV000911
- Quantifying the impact of sulfate geoengineering on mortality from air quality and UV-B exposure S. Eastham et al. https://doi.org/10.1016/j.atmosenv.2018.05.047
- Solar Geoengineering: History, Methods, Governance, Prospects E. Parson & D. Keith https://doi.org/10.1146/annurev-environ-112321-081911
- Future changes in atmospheric rivers over East Asia under stratospheric aerosol intervention J. Liang & J. Haywood https://doi.org/10.5194/acp-23-1687-2023
- Effects of Different Stratospheric SO2 Injection Altitudes on Stratospheric Chemistry and Dynamics S. Tilmes et al. https://doi.org/10.1002/2017JD028146
- Afro-Asian climate response to future solar radiation management T. Adeliyi et al. https://doi.org/10.1016/j.scs.2025.106825
- Tropospheric Ozone Assessment Report A. Archibald et al. https://doi.org/10.1525/elementa.2020.034
- Aerosol formation pathways from aviation emissions P. Prashanth et al. https://doi.org/10.1088/2515-7620/ac5229
- Response of Surface Ultraviolet and Visible Radiation to Stratospheric SO2 Injections S. Madronich et al. https://doi.org/10.3390/atmos9110432
- A computationally efficient method to model similar and alternate stratospheric aerosol injection experiments using prescribed aerosols in a lower-complexity version of the same model: a case study using CESM(CAM) and CESM(WACCM) J. de Jong et al. https://doi.org/10.5194/gmd-18-8679-2025
- An investigation of the relationship between tropical monsoon precipitation changes and stratospheric sulfate aerosol optical depth A. Xavier et al. https://doi.org/10.1093/oxfclm/kgae016
- Climate econometric models indicate solar geoengineering would reduce inter-country income inequality A. Harding et al. https://doi.org/10.1038/s41467-019-13957-x
- Investigation of water-soluble organic constituents and their spatio-temporal heterogeneity over the Tibetan Plateau H. Niu et al. https://doi.org/10.1016/j.envpol.2022.119093
- Identifying the sources of uncertainty in climate model simulations of solar radiation modification with the G6sulfur and G6solar Geoengineering Model Intercomparison Project (GeoMIP) simulations D. Visioni et al. https://doi.org/10.5194/acp-21-10039-2021
- Extreme Ozone Loss Following Nuclear War Results in Enhanced Surface Ultraviolet Radiation C. Bardeen et al. https://doi.org/10.1029/2021JD035079
- Stratospheric transport and tropospheric sink of solar geoengineering aerosol: a Lagrangian analysis H. Sun et al. https://doi.org/10.1038/s41612-024-00664-8
- Stratospheric aerosol injection may impact global systems and human health outcomes S. Tracy et al. https://doi.org/10.1525/elementa.2022.00047
Saved (final revised paper)
Latest update: 03 Jun 2026
Short summary
Ozone is a key air pollutant. We model two geoengineering schemes, stratospheric sulfur injection and solar irradiance reduction, to compare their impacts on atmospheric ozone concentrations. With the nearly identical global mean surface temperature reduction, solar dimming increases global average surface ozone concentration, while sulfate injection decreases it. This difference is due to different stratosphere–troposphere exchange of ozone and tropospheric ozone chemistry in the two scenarios.
Ozone is a key air pollutant. We model two geoengineering schemes, stratospheric sulfur...
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