Articles | Volume 18, issue 19
https://doi.org/10.5194/gmd-18-6671-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/gmd-18-6671-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
An evolving Coupled Model Intercomparison Project phase 7 (CMIP7) and Fast Track in support of future climate assessment
John P. Dunne
CORRESPONDING AUTHOR
NOAA/OAR/Geophysical Fluid Dynamics Laboratory, Princeton, NJ, USA
Helene T. Hewitt
Met Office Hadley Centre, Exeter, UK
Julie M. Arblaster
School of Earth, Atmosphere and Environment, Monash University, Monash, Australia
Frédéric Bonou
Laboratory of Physics and Applications (LPA), National University of Sciences, Technology, Engineering and Mathematics of Abomey (UNSTIM), Abomey, Benin
Olivier Boucher
Institut Pierre-Simon Laplace, Sorbonne Université/CNRS, Paris, France
Tereza Cavazos
Center for Scientific Research and Higher Education of Ensenada (CICESE), Ensenada, Baja California, Mexico
Beth Dingley
CMIP International Project Office, ECSAT, Harwell Science & Innovation Campus, Didcot, UK
Paul J. Durack
PCMDI, Lawrence Livermore National Laboratory, Livermore, CA, USA
Birgit Hassler
Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Physik der Atmosphäre, Oberpfaffenhofen, Germany
Martin Juckes
Department of Physics, University of Oxford, and UKRI STFC, Oxford, UK
Tomoki Miyakawa
Atmosphere and Ocean Research Institute, the University of Tokyo, Kashiwa, Japan
Matt Mizielinski
Met Office Hadley Centre, Exeter, UK
Vaishali Naik
NOAA/OAR/Geophysical Fluid Dynamics Laboratory, Princeton, NJ, USA
Zebedee Nicholls
Climate Resource, Berlin, Germany
Energy, Climate and Environment Program, International Institute for Applied Systems Analysis (IIASA), 2361 Laxenburg, Austria
School of Geography, Earth and Atmospheric Sciences, the University of Melbourne, Melbourne, Victoria, Australia
Eleanor O'Rourke
CMIP International Project Office, ECSAT, Harwell Science & Innovation Campus, Didcot, UK
Robert Pincus
Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA
Benjamin M. Sanderson
CICERO, Oslo, Norway
Isla R. Simpson
NSF National Center for Atmospheric Research, Boulder, Colorado, USA
Karl E. Taylor
PCMDI, Lawrence Livermore National Laboratory, Livermore, CA, USA
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Cited
5 citations as recorded by crossref.
- Projections of future climate for U.S. national assessments: past, present, future S. Basile et al. 10.1007/s10584-025-03888-6
- Climate models need more frequent releases of input data — here’s how to do it V. Naik et al. 10.1038/d41586-025-02642-3
- High-Resolution Model Intercomparison Project phase 2 (HighResMIP2) towards CMIP7 M. Roberts et al. 10.5194/gmd-18-1307-2025
- The Detection and Attribution Model Intercomparison Project (DAMIP v2.0) contribution to CMIP7 N. Gillett et al. 10.5194/gmd-18-4399-2025
- Assessing the Impact of Temperature and Precipitation Trends of Climate Change on Agriculture Based on Multiple Global Circulation Model Projections in Malta B. Mifsud Scicluna & C. Galdies 10.3390/bdcc9040105
5 citations as recorded by crossref.
- Projections of future climate for U.S. national assessments: past, present, future S. Basile et al. 10.1007/s10584-025-03888-6
- Climate models need more frequent releases of input data — here’s how to do it V. Naik et al. 10.1038/d41586-025-02642-3
- High-Resolution Model Intercomparison Project phase 2 (HighResMIP2) towards CMIP7 M. Roberts et al. 10.5194/gmd-18-1307-2025
- The Detection and Attribution Model Intercomparison Project (DAMIP v2.0) contribution to CMIP7 N. Gillett et al. 10.5194/gmd-18-4399-2025
- Assessing the Impact of Temperature and Precipitation Trends of Climate Change on Agriculture Based on Multiple Global Circulation Model Projections in Malta B. Mifsud Scicluna & C. Galdies 10.3390/bdcc9040105
Latest update: 21 Oct 2025
Executive editor
The Coupled Model Intercomparison Project lies at the core of global climate prediction. This paper details the Coupled Model Intercomparison Project phase 7 (CMIP7) and its Fast Track initiative. By transitioning into a continuous climate modeling program with enhanced coordination and federated planning, CMIP7 aims to address key climate questions more effectively. The expansion of the Diagnostic, Evaluation, and Characterization of Klima (DECK) experiments—including the addition of historical simulations, effective radiative forcing assessments, and CO₂-emissions-driven experiments—strengthens the foundation for climate model evaluation and projection. Additionally, the AR7 Fast Track ensures timely delivery of critical climate simulation data to support the upcoming 7th Intergovernmental Panel on Climate Change Assessment Report. This paper highlights how these advancements in experimental protocols and infrastructure support not only scientific understanding but also inform policy-making and climate services, ultimately contributing to global efforts in climate adaptation and mitigation.
The Coupled Model Intercomparison Project lies at the core of global climate prediction. This...
Short summary
The seventh phase of the Coupled Model Intercomparison Project (CMIP7) coordinates efforts to answer key and timely climate science questions and facilitate delivery of relevant multi-model simulations for prediction and projection; characterization, attribution, and process understanding; and vulnerability, impact, and adaptation analysis. Key to the CMIP7 design are the mandatory Diagnostic, Evaluation and Characterization of Klima and optional Assessment Fast Track experiments.
The seventh phase of the Coupled Model Intercomparison Project (CMIP7) coordinates efforts to...
Special issue