Articles | Volume 21, issue 6 
            
                
                    
                    
            
            
            https://doi.org/10.5194/acp-21-4231-2021
                    © Author(s) 2021. 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-21-4231-2021
                    © Author(s) 2021. This work is distributed under 
the Creative Commons Attribution 4.0 License.
                the Creative Commons Attribution 4.0 License.
Comparing different generations of idealized solar geoengineering simulations in the Geoengineering Model Intercomparison Project (GeoMIP)
                                            Department of Earth and Atmospheric Sciences, Indiana University, Bloomington, IN, USA
                                        
                                    
                                            Atmospheric Sciences and Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
                                        
                                    Douglas G. MacMartin
                                            Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, USA
                                        
                                    Daniele Visioni
                                            Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, USA
                                        
                                    Olivier Boucher
                                            Institut Pierre-Simon Laplace (IPSL), Sorbonne Université/CNRS, Paris, France
                                        
                                    Jason N. S. Cole
                                            Environment and Climate Change Canada, Toronto, Ontario, Canada
                                        
                                    Jim Haywood
                                            College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, UK
                                        
                                    
                                            UK Met Office Hadley Centre, Exeter, UK
                                        
                                    Andy Jones
                                            UK Met Office Hadley Centre, Exeter, UK
                                        
                                    Thibaut Lurton
                                            Institut Pierre-Simon Laplace (IPSL), Sorbonne Université/CNRS, Paris, France
                                        
                                    Pierre Nabat
                                            CNRM, Université de Toulouse, Météo-France, CNRS, Météo-France, Toulouse, France
                                        
                                    Ulrike Niemeier
                                            Max Planck Institute for Meteorology, Hamburg, Germany
                                        
                                    Alan Robock
                                            Department of Environmental Sciences, Rutgers University, New Brunswick, NJ, USA
                                        
                                    Roland Séférian
                                            CNRM, Université de Toulouse, Météo-France, CNRS, Météo-France, Toulouse, France
                                        
                                    Simone Tilmes
                                            Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
                                        
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31 citations as recorded by crossref.
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- Safeguarding the polar regions from dangerous geoengineering: a critical assessment of proposed concepts and future prospects M. Siegert et al. 10.3389/fsci.2025.1527393
- Assessing Responses and Impacts of Solar climate intervention on the Earth system with stratospheric aerosol injection (ARISE-SAI): protocol and initial results from the first simulations J. Richter et al. 10.5194/gmd-15-8221-2022
- Overlooked Long‐Term Atmospheric Chemical Feedbacks Alter the Impact of Solar Geoengineering: Implications for Tropospheric Oxidative Capacity J. Moch et al. 10.1029/2023AV000911
- Dependence of strategic solar climate intervention on background scenario and model physics J. Fasullo & J. Richter 10.5194/acp-23-163-2023
- Simulated response of the climate of eastern Africa to stratospheric aerosol intervention H. Misiani et al. 10.3389/fclim.2025.1522235
- Potential effects of climate change and solar radiation modification on renewable energy resources A. Kumler et al. 10.1016/j.rser.2024.114934
- Solar Geoengineering: Trials, Innovation, Investments and the Need for Governance Y. Ramos & F. Santos 10.2139/ssrn.5068179
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- Clouds dissipate quickly during solar eclipses as the land surface cools V. Trees et al. 10.1038/s43247-024-01213-0
- Solar geoengineering: Scenarios of future governance challenges E. Parson & J. Reynolds 10.1016/j.futures.2021.102806
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- 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. 10.5194/acp-21-10039-2021
- The impact of stratospheric aerosol intervention on the North Atlantic and Quasi-Biennial Oscillations in the Geoengineering Model Intercomparison Project (GeoMIP) G6sulfur experiment A. Jones et al. 10.5194/acp-22-2999-2022
- A Numerical Modeling Study on the Earth’s Surface Brightening Effect of Cirrus Thinning X. Shi et al. 10.3390/atmos15020189
- Impact of Stratospheric Aerosol Injection Geoengineering on the Summer Climate Over East Asia Z. Liu et al. 10.1029/2021JD035049
- Whose climate intervention? Solar geoengineering, fractions of capital, and hegemonic strategy K. Surprise & J. Sapinski 10.1177/03098168221114386
- Polar Geoengineering: A Risky Experiment That Will Not Fix Climate Change H. Millman et al. 10.3389/frym.2025.1633572
- On the Linearity of External Forcing Response in Solar Geoengineering Experiments J. Virgin & C. Fletcher 10.1029/2022GL100200
- Governing Climate Geoengineering: Side Payments Are Not Enough R. Ghidoni et al. 10.1086/724286
- Australia, we need to talk about solar geoengineering J. Symons et al. 10.1080/10357718.2024.2333811
- G6-1.5K-SAI: a new Geoengineering Model Intercomparison Project (GeoMIP) experiment integrating recent advances in solar radiation modification studies D. Visioni et al. 10.5194/gmd-17-2583-2024
- Dependency of the impacts of geoengineering on the stratospheric sulfur injection strategy – Part 1: Intercomparison of modal and sectional aerosol modules A. Laakso et al. 10.5194/acp-22-93-2022
- Opinion: The scientific and community-building roles of the Geoengineering Model Intercomparison Project (GeoMIP) – past, present, and future D. Visioni et al. 10.5194/acp-23-5149-2023
- Are Climate Geoengineering Technologies Being Patented? An Overview Y. Ramos & F. Santos 10.3390/cli13040077
- Antipyretic Medication for a Feverish Planet M. Stoffel et al. 10.1007/s41748-020-00182-6
- North Atlantic Oscillation response in GeoMIP experiments G6solar and G6sulfur: why detailed modelling is needed for understanding regional implications of solar radiation management A. Jones et al. 10.5194/acp-21-1287-2021
- Conducting more inclusive solar geoengineering research: A feminist science framework B. Kravitz & T. Sikka 10.1177/25148486221132831
28 citations as recorded by crossref.
- CAS-ESM2.0 Dataset for the G1ext Experiment of the Geoengineering Model Intercomparison Project (GeoMIP) M. Cui et al. 10.1007/s00376-024-4177-8
- Tropical hydro-climatic responses to global warming and solar radiation modification in the Kelantan River Basin, Malaysia H. Du et al. 10.2166/wcc.2025.587
- Assessing the potential for crop albedo enhancement in reducing heatwave frequency, duration, and intensity under future climate change J. Kala et al. 10.1016/j.wace.2022.100415
- Integrating a comprehensive index and the SWAT+ model to assess drought characteristics and risks under solar radiation modification H. Du et al. 10.1016/j.ecolind.2025.113852
- Safeguarding the polar regions from dangerous geoengineering: a critical assessment of proposed concepts and future prospects M. Siegert et al. 10.3389/fsci.2025.1527393
- Assessing Responses and Impacts of Solar climate intervention on the Earth system with stratospheric aerosol injection (ARISE-SAI): protocol and initial results from the first simulations J. Richter et al. 10.5194/gmd-15-8221-2022
- Overlooked Long‐Term Atmospheric Chemical Feedbacks Alter the Impact of Solar Geoengineering: Implications for Tropospheric Oxidative Capacity J. Moch et al. 10.1029/2023AV000911
- Dependence of strategic solar climate intervention on background scenario and model physics J. Fasullo & J. Richter 10.5194/acp-23-163-2023
- Simulated response of the climate of eastern Africa to stratospheric aerosol intervention H. Misiani et al. 10.3389/fclim.2025.1522235
- Potential effects of climate change and solar radiation modification on renewable energy resources A. Kumler et al. 10.1016/j.rser.2024.114934
- Solar Geoengineering: Trials, Innovation, Investments and the Need for Governance Y. Ramos & F. Santos 10.2139/ssrn.5068179
- Climate intervention using marine cloud brightening (MCB) compared with stratospheric aerosol injection (SAI) in the UKESM1 climate model J. Haywood et al. 10.5194/acp-23-15305-2023
- Clouds dissipate quickly during solar eclipses as the land surface cools V. Trees et al. 10.1038/s43247-024-01213-0
- Solar geoengineering: Scenarios of future governance challenges E. Parson & J. Reynolds 10.1016/j.futures.2021.102806
- Indices of extremes: geographic patterns of change in extremes and associated vegetation impacts under climate intervention M. Tye et al. 10.5194/esd-13-1233-2022
- 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. 10.5194/acp-21-10039-2021
- The impact of stratospheric aerosol intervention on the North Atlantic and Quasi-Biennial Oscillations in the Geoengineering Model Intercomparison Project (GeoMIP) G6sulfur experiment A. Jones et al. 10.5194/acp-22-2999-2022
- A Numerical Modeling Study on the Earth’s Surface Brightening Effect of Cirrus Thinning X. Shi et al. 10.3390/atmos15020189
- Impact of Stratospheric Aerosol Injection Geoengineering on the Summer Climate Over East Asia Z. Liu et al. 10.1029/2021JD035049
- Whose climate intervention? Solar geoengineering, fractions of capital, and hegemonic strategy K. Surprise & J. Sapinski 10.1177/03098168221114386
- Polar Geoengineering: A Risky Experiment That Will Not Fix Climate Change H. Millman et al. 10.3389/frym.2025.1633572
- On the Linearity of External Forcing Response in Solar Geoengineering Experiments J. Virgin & C. Fletcher 10.1029/2022GL100200
- Governing Climate Geoengineering: Side Payments Are Not Enough R. Ghidoni et al. 10.1086/724286
- Australia, we need to talk about solar geoengineering J. Symons et al. 10.1080/10357718.2024.2333811
- G6-1.5K-SAI: a new Geoengineering Model Intercomparison Project (GeoMIP) experiment integrating recent advances in solar radiation modification studies D. Visioni et al. 10.5194/gmd-17-2583-2024
- Dependency of the impacts of geoengineering on the stratospheric sulfur injection strategy – Part 1: Intercomparison of modal and sectional aerosol modules A. Laakso et al. 10.5194/acp-22-93-2022
- Opinion: The scientific and community-building roles of the Geoengineering Model Intercomparison Project (GeoMIP) – past, present, and future D. Visioni et al. 10.5194/acp-23-5149-2023
- Are Climate Geoengineering Technologies Being Patented? An Overview Y. Ramos & F. Santos 10.3390/cli13040077
3 citations as recorded by crossref.
- Antipyretic Medication for a Feverish Planet M. Stoffel et al. 10.1007/s41748-020-00182-6
- North Atlantic Oscillation response in GeoMIP experiments G6solar and G6sulfur: why detailed modelling is needed for understanding regional implications of solar radiation management A. Jones et al. 10.5194/acp-21-1287-2021
- Conducting more inclusive solar geoengineering research: A feminist science framework B. Kravitz & T. Sikka 10.1177/25148486221132831
Latest update: 29 Oct 2025
Short summary
                    This study investigates multi-model response to idealized geoengineering (high CO2 with solar reduction) across two different generations of climate models. We find that, with the exception of a few cases, the results are unchanged between the different generations. This gives us confidence that broad conclusions about the response to idealized geoengineering are robust.
                    This study investigates multi-model response to idealized geoengineering (high CO2 with solar...
                    
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