Articles | Volume 14, issue 4
Geosci. Model Dev., 14, 1987–2010, 2021
https://doi.org/10.5194/gmd-14-1987-2021
Geosci. Model Dev., 14, 1987–2010, 2021
https://doi.org/10.5194/gmd-14-1987-2021

Model evaluation paper 14 Apr 2021

Model evaluation paper | 14 Apr 2021

Global evaluation of the nutrient-enabled version of the land surface model ORCHIDEE-CNP v1.2 (r5986)

Yan Sun et al.

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Short summary
We evaluated the performance of the nutrient-enabled version of the land surface model ORCHIDEE-CNP v1.2 against remote sensing, ground-based measurement networks and ecological databases. The simulated carbon, nitrogen and phosphorus fluxes among different spatial scales are generally in good agreement with data-driven estimates. However, the recent carbon sink in the Northern Hemisphere is substantially underestimated. Potential causes and model development priorities are discussed.