Opinion: The role of AerChemMIP in advancing climate and air quality research
<p><span id="page8290"/>The Aerosol Chemistry Model Intercomparison Project (AerChemMIP) was endorsed by the Coupled Model Intercomparison Project 6 (CMIP6) and was designed to quantify the climate and air quality impacts of aerosols and chemically reactive gases. AerChemMIP p...
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Copernicus Publications
2025-07-01
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| author | P. T. Griffiths P. T. Griffiths L. J. Wilcox R. J. Allen V. Naik F. M. O'Connor F. M. O'Connor M. Prather A. Archibald F. Brown M. Deushi W. Collins S. Fiedler N. Oshima L. T. Murray B. H. Samset C. Smith C. Smith S. Turnock S. Turnock D. Watson-Parris D. Watson-Parris P. J. Young P. J. Young |
| author_facet | P. T. Griffiths P. T. Griffiths L. J. Wilcox R. J. Allen V. Naik F. M. O'Connor F. M. O'Connor M. Prather A. Archibald F. Brown M. Deushi W. Collins S. Fiedler N. Oshima L. T. Murray B. H. Samset C. Smith C. Smith S. Turnock S. Turnock D. Watson-Parris D. Watson-Parris P. J. Young P. J. Young |
| author_sort | P. T. Griffiths |
| collection | DOAJ |
| description | <p><span id="page8290"/>The Aerosol Chemistry Model Intercomparison Project (AerChemMIP) was endorsed by the Coupled Model Intercomparison Project 6 (CMIP6) and was designed to quantify the climate and air quality impacts of aerosols and chemically reactive gases. AerChemMIP provided the first consistent calculation of effective radiative forcing (ERF) for a wide range of forcing agents, which was a vital contribution to the Sixth Assessment Report (AR6) of the Intergovernmental Panel on Climate Change. It supported the quantification of composition–climate feedback parameters and the climate response to short-lived climate forcers (SLCFs), as well as enabled the future impacts of air pollution mitigation to be identified, and the study of interactions between climate and air quality in a transient simulations. Here we review AerChemMIP in detail and assess the project against its stated objectives, its contribution to the CMIP6 project, and the wider scientific efforts designed to understand the role of aerosols and chemistry in the Earth system. We assess the successes of the project and the remaining challenges and gaps. We conclude with some recommendations that we hope will provide input to planning for future MIPs in this area. In particular, we highlight the necessity of sufficient ensemble size for the attribution of regional climate responses and the need for coordination across projects to ensure key science questions are addressed. Summary data for CMIP6 and AerChemMIP models such as model components, model configurations, and emergent quantities are included.</p> |
| format | Article |
| id | doaj-art-b414fa84089f4e819d5d9e02cea69f59 |
| institution | DOAJ |
| issn | 1680-7316 1680-7324 |
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| publishDate | 2025-07-01 |
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| series | Atmospheric Chemistry and Physics |
| spelling | doaj-art-b414fa84089f4e819d5d9e02cea69f592025-08-20T03:16:07ZengCopernicus PublicationsAtmospheric Chemistry and Physics1680-73161680-73242025-07-01258289832810.5194/acp-25-8289-2025Opinion: The role of AerChemMIP in advancing climate and air quality researchP. T. Griffiths0P. T. Griffiths1L. J. Wilcox2R. J. Allen3V. Naik4F. M. O'Connor5F. M. O'Connor6M. Prather7A. Archibald8F. Brown9M. Deushi10W. Collins11S. Fiedler12N. Oshima13L. T. Murray14B. H. Samset15C. Smith16C. Smith17S. Turnock18S. Turnock19D. Watson-Parris20D. Watson-Parris21P. J. Young22P. J. Young23National Centre for Atmospheric Science, Cambridge University, Cambridge, UKSchool of Chemistry, Bristol University, Bristol, UKNational Centre for Atmospheric Science, Department of Meteorology, University of Reading, Reading, UKDepartment of Earth and Planetary Sciences, UC Riverside, Riverside, CA, USANOAA Geophysical Fluid Dynamics Laboratory, Princeton, NJ, USAMet Office Hadley Centre, Exeter, UKDepartment of Mathematics & Statistics, Global Systems Institute, University of Exeter, Exeter, UKDepartment of Earth System Science University of California, Irvine, CA, USANational Centre for Atmospheric Science, Cambridge University, Cambridge, UKInstitute for Atmospheric and Climate Science, ETH Zurich, Zurich, SwitzerlandDepartment of Atmosphere, Ocean, and Earth System Modeling Research, Meteorological Research Institute, Tsukuba, JapanDepartment of Meteorology, University of Reading, Reading, UKGEOMAR Helmholtz Centre for Ocean Research Kiel & Faculty of Mathematics and Natural Sciences, Christian-Albrechts-University of Kiel, Kiel, GermanyDepartment of Atmosphere, Ocean, and Earth System Modeling Research, Meteorological Research Institute, Tsukuba, JapanDepartment of Earth and Environmental Sciences, University of Rochester, Rochester, NY, USACICERO Center for International Climate Research, Oslo, NorwaySchool of Earth and Environment, University of Leeds, Leeds, UKIntegrated Assessment and Climate Change Research Group, International Institute for Applied Systems Analysis, Laxenburg, AustriaNOAA Geophysical Fluid Dynamics Laboratory, Princeton, NJ, USAUniversity of Leeds Met Office Strategic (LUMOS) Research Group, University of Leeds, Leeds, UKScripps Institution of Oceanography, UC San Diego, San Diego, CA, USAHalıcıoğlu Data Science Institute, UC San Diego, San Diego, CA, USAJBA Risk Management Ltd, Skipton, UKSchool of Engineering, Newcastle University, Newcastle, UK<p><span id="page8290"/>The Aerosol Chemistry Model Intercomparison Project (AerChemMIP) was endorsed by the Coupled Model Intercomparison Project 6 (CMIP6) and was designed to quantify the climate and air quality impacts of aerosols and chemically reactive gases. AerChemMIP provided the first consistent calculation of effective radiative forcing (ERF) for a wide range of forcing agents, which was a vital contribution to the Sixth Assessment Report (AR6) of the Intergovernmental Panel on Climate Change. It supported the quantification of composition–climate feedback parameters and the climate response to short-lived climate forcers (SLCFs), as well as enabled the future impacts of air pollution mitigation to be identified, and the study of interactions between climate and air quality in a transient simulations. Here we review AerChemMIP in detail and assess the project against its stated objectives, its contribution to the CMIP6 project, and the wider scientific efforts designed to understand the role of aerosols and chemistry in the Earth system. We assess the successes of the project and the remaining challenges and gaps. We conclude with some recommendations that we hope will provide input to planning for future MIPs in this area. In particular, we highlight the necessity of sufficient ensemble size for the attribution of regional climate responses and the need for coordination across projects to ensure key science questions are addressed. Summary data for CMIP6 and AerChemMIP models such as model components, model configurations, and emergent quantities are included.</p>https://acp.copernicus.org/articles/25/8289/2025/acp-25-8289-2025.pdf |
| spellingShingle | P. T. Griffiths P. T. Griffiths L. J. Wilcox R. J. Allen V. Naik F. M. O'Connor F. M. O'Connor M. Prather A. Archibald F. Brown M. Deushi W. Collins S. Fiedler N. Oshima L. T. Murray B. H. Samset C. Smith C. Smith S. Turnock S. Turnock D. Watson-Parris D. Watson-Parris P. J. Young P. J. Young Opinion: The role of AerChemMIP in advancing climate and air quality research Atmospheric Chemistry and Physics |
| title | Opinion: The role of AerChemMIP in advancing climate and air quality research |
| title_full | Opinion: The role of AerChemMIP in advancing climate and air quality research |
| title_fullStr | Opinion: The role of AerChemMIP in advancing climate and air quality research |
| title_full_unstemmed | Opinion: The role of AerChemMIP in advancing climate and air quality research |
| title_short | Opinion: The role of AerChemMIP in advancing climate and air quality research |
| title_sort | opinion the role of aerchemmip in advancing climate and air quality research |
| url | https://acp.copernicus.org/articles/25/8289/2025/acp-25-8289-2025.pdf |
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