Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 19, issue 4
Articles | Volume 19, issue 4
https://doi.org/10.5194/gmd-19-1429-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Collection:
https://doi.org/10.5194/gmd-19-1429-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 4
Model description paper
 | 
17 Feb 2026
Model description paper |  | 17 Feb 2026

FRIDA-Clim v1.0.1: a simple climate model with process-based carbon cycle used in the integrated assessment model FRIDAv2.1

Christopher D. Wells, Lennart Ramme, Chris Smith, Jannes Breier, Adakudlu Muralidhar, Chao Li, Ada Gjermundsen, William Alexander Schoenberg, Benjamin Blanz, and Cecilie Mauritzen

Supplement

https://doi.org/10.5194/gmd-19-1429-2026-supplement

Model code and software

FRIDA-Clim v1.0.1 Christopher D. Wells and Lennart Ramme https://doi.org/10.5281/zenodo.17207035

chrisdwells/calibrate-FRIDA-climate: For FRIDAv2.1 (v1.0.0) Christopher D. Wells et al. https://doi.org/10.5281/zenodo.17207019

FRIDA: Feedback-based knowledge Repository for IntegrateD Assessments (v2.1) W. Schoenberg et al. https://doi.org/10.5281/zenodo.15310860

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Short summary
Understanding the change in climate that would occur under different future pathways of greenhouse gas emissions and changes in land use is crucial. Here, we develop a new simple climate model to help study this. We reduce the number of inputs so that our model can be connected to a model of the human causes of climate change. This way, we can study the interaction between climate change and society, including climate impacts. Our model broadly agrees with historical observations.
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The FRIDA model – a.k.a. “Feedback-based knowledge...