Articles | Volume 12, issue 8
Geosci. Model Dev., 12, 3503–3521, 2019
https://doi.org/10.5194/gmd-12-3503-2019
Geosci. Model Dev., 12, 3503–3521, 2019
https://doi.org/10.5194/gmd-12-3503-2019

Model evaluation paper 12 Aug 2019

Model evaluation paper | 12 Aug 2019

ORCHIDEE MICT-LEAK (r5459), a global model for the production, transport, and transformation of dissolved organic carbon from Arctic permafrost regions – Part 1: Rationale, model description, and simulation protocol

Simon P. K. Bowring et al.

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Cited articles

Aitkenhead-Peterson, J. A., McDowell, W. H., and Neff, J. C.: Sources, Production, and Regulation of Allochthonous Dissolved Organic Matter Inputs to Surface Waters, in: Aquatic Ecosystems, 25–70, Academic Press, 2003. 
Bardy, M., Derenne, S., Allard, T., Benedetti, M. F., and Fritsch, E.: Podzolisation and exportation of organic matter in black waters of the Rio Negro (upper Amazon basin, Brazil), Biogeochemistry, 106, 71–88, https://doi.org/10.1007/s10533-010-9564-9, 2011. 
Bauch, D., Hölemann, J. A., Nikulina, A., Wegner, C., Janout, M. A., Timokhov, L. A., and Kassens, H.: Correlation of river water and local sea-ice melting on the Laptev Sea shelf (Siberian Arctic), J. Geophys. Res. Ocean., 118, 550–561, https://doi.org/10.1002/jgrc.20076, 2013. 
Berezovskaya, S., Yang, D., and Hinzman, L.: Long-term annual water balance analysis of the Lena River, Glob. Planet. Change, 48, 84–95, https://doi.org/10.1016/j.gloplacha.2004.12.006, 2005. 
Bergkvist, B. O. and Folkeson, L.: Soil acidification and element fluxes of a Fagus sylvatica forest as influenced by simulated nitrogen deposition, Water, Air, Soil Pollut., 65, 111–133, https://doi.org/10.1007/BF00482753, 1992. 
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Short summary
Few Earth system models represent permafrost soil biogeochemistry, contributing to uncertainty in estimating its response and that of the planet to warming. Because the permafrost contains over double the carbon in the present atmosphere, its fate as it is unlocked by warming is globally significant. One way it can be mobilised is into rivers, the sea, or the atmosphere: a vector previously ignored in climate modelling. We present a model scheme for resolving this vector at a global scale.