Articles | Volume 13, issue 2
Geosci. Model Dev., 13, 507–520, 2020
https://doi.org/10.5194/gmd-13-507-2020
Geosci. Model Dev., 13, 507–520, 2020
https://doi.org/10.5194/gmd-13-507-2020

Model evaluation paper 10 Feb 2020

Model evaluation paper | 10 Feb 2020

ORCHIDEE MICT-LEAK (r5459), a global model for the production, transport, and transformation of dissolved organic carbon from Arctic permafrost regions – Part 2: Model evaluation over the Lena River basin

Simon P. K. Bowring et al.

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Cited articles

Battin, T. J., Luyssaert, S., Kaplan, L. A., Aufdenkampe, A. K., Richter, A., and Tranvik, L. J.: The boundless carbon cycle, Nat. Geosci., 2, 598, https://doi.org/10.1038/ngeo618, 2009. 
Bowring: ORCHIDEE MICT-LEAK revision 5459, https://doi.org/10.14768/20181114002.1, 2018. 
Cauwet, G. and Sidorov, I.: The biogeochemistry of Lena River: Organic carbon and nutrients distribution, Mar. Chem., 53, 211–227, 1996. 
Cole, J. J., Prairie, Y. T., Caraco, N. F., McDowell, W. H., Tranvik, L. J., Striegl, R. G., Duarte, C. M., Kortelainen, P., Downing, J. A., Middelburg, J. J., and Melack, J.: Plumbing the global carbon cycle: Integrating inland waters into the terrestrial carbon budget, Ecosystems, 10, 172–185, https://doi.org/10.1007/s10021-006-9013-8, 2007. 
DeLuca, T. H. and Boisvenue, C.: Boreal forest soil carbon: Distribution, function and modelling, Forestry, 85, 161–184, https://doi.org/10.1093/forestry/cps003, 2012. 
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Short summary
In this second part of the study, we performed simulations of the carbon and water budget of the Lena catchment with the land surface model ORCHIDEE MICT-LEAK, enabled to simulate dissolved organic carbon (DOC) production in soils and its transport and fate in high-latitude inland waters. We compare simulations using this model to existing data sources to show that it is capable of reproducing dissolved carbon fluxes of potentially great importance for the future of the global permafrost.