Articles | Volume 7, issue 6
Development and technical paper
18 Dec 2014
Development and technical paper |  | 18 Dec 2014

A simplified permafrost-carbon model for long-term climate studies with the CLIMBER-2 coupled earth system model

K. A. Crichton, D. M. Roche, G. Krinner, and J. Chappellaz


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Short summary
Permafrost is ground that remains frozen for two or more consecutive years. An estimated 50% of the global below-ground organic carbon is stored in soils of the permafrost zone. This study presents the development and validation of a simplified permafrost-carbon mechanism for the CLIMBER-2 model. Our model development allows, for the first time, the study of the role of permafrost soils in the global carbon cycle for long timescales and for coupled palaeoclimate Earth system modelling studies.