Articles | Volume 11, issue 12
Geosci. Model Dev., 11, 4711–4726, 2018
https://doi.org/10.5194/gmd-11-4711-2018
Geosci. Model Dev., 11, 4711–4726, 2018
https://doi.org/10.5194/gmd-11-4711-2018

Development and technical paper 29 Nov 2018

Development and technical paper | 29 Nov 2018

The use of radiocarbon 14C to constrain carbon dynamics in the soil module of the land surface model ORCHIDEE (SVN r5165)

Marwa Tifafi et al.

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Short summary
The role of soil carbon in climate dynamics becomes one of the major uncertainties in land surface models. This work is a presentation of a new version of the land surface model called ORCHIDEE incorporating the radiocarbon (14C) used as integrator of the soil carbon dynamics. It has been possible to highlight an underestimation of the age of carbon in the soil and that model improvements should focus more on a depth-dependent parameterization mainly for the diffusion.