Spatiotemporal patterns and drivers of  terrestrial dissolved organic carbon (DOC)  leaching into the European river network

Gommet, Céline; Lauerwald, Ronny; Ciais, Philippe; Guenet, Bertrand; Zhang, Haicheng; Regnier, Pierre

doi:https://doi.org/10.5194/esd-13-393-2022

Articles | Volume 13, issue 1

https://doi.org/10.5194/esd-13-393-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Modelling inland waters in a changing climate (GMD/ESD/TC...

https://doi.org/10.5194/esd-13-393-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 13, issue 1

Research article

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21 Feb 2022

Research article | Highlight paper |

| 21 Feb 2022

Spatiotemporal patterns and drivers of terrestrial dissolved organic carbon (DOC) leaching into the European river network

Céline Gommet, Ronny Lauerwald, Philippe Ciais, Bertrand Guenet, Haicheng Zhang, and Pierre Regnier

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https://doi.org/10.5194/esd-13-393-2022-supplement

Model code and software

Model code of ORCHILEAK C. Gommet, R.Lauerwald, P. Ciais, B. Guenet, H. Zhang, and P. Regnier https://doi.org/10.14768/75AC2F47-4691-46AF-9B12-B1A9629CBC56

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Short summary

Dissolved organic carbon (DOC) leaching from soils into river networks is an important component of the land carbon (C) budget, but its spatiotemporal variation is not yet fully constrained. We use a land surface model to simulate the present-day land C budget at the European scale, including leaching of DOC from the soil. We found average leaching of 14.3 Tg C yr⁻¹ (0.6 % of terrestrial net primary production) with seasonal variations. We determine runoff and temperature to be the main drivers.