Articles | Volume 8, issue 5
https://doi.org/10.5194/gmd-8-1493-2015
https://doi.org/10.5194/gmd-8-1493-2015
Development and technical paper
 | 
21 May 2015
Development and technical paper |  | 21 May 2015

An improved representation of physical permafrost dynamics in the JULES land-surface model

S. Chadburn, E. Burke, R. Essery, J. Boike, M. Langer, M. Heikenfeld, P. Cox, and P. Friedlingstein

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Short summary
Permafrost, ground that is frozen for 2 or more years, is found extensively in the Arctic. It stores large quantities of carbon, which may be released under climate warming, so it is important to include it in climate models. Here we improve the representation of permafrost in a climate model land-surface scheme, both in the numerical representation of soil and snow, and by adding the effects of organic soils and moss. Site simulations show significantly improved soil temperature and thaw depth.