Articles | Volume 13, issue 10
https://doi.org/10.5194/gmd-13-4977-2020
https://doi.org/10.5194/gmd-13-4977-2020
Model description paper
 | 
19 Oct 2020
Model description paper |  | 19 Oct 2020

A multi-isotope model for simulating soil organic carbon cycling in eroding landscapes (WATEM_C v1.0)

Zhengang Wang, Jianxiu Qiu, and Kristof Van Oost

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Cited articles

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Ahrens, B., Braakhekke, M. C., Guggenberger, G., Schrumpf, M., and Reichstein, M.: Contribution of sorption, DOC transport and microbial interactions to the 14C age of a soil organic carbon profile: Insights from a calibrated process model, Soil Biol. Biochem., 88, 390–402, 2015. 
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Baisden, W. T., Amundson, R., Brenner, D. L., Cook, A. C., Kendall, C., and Harden, J. W.: A multiisotope C and N modeling analysis of soil organic matter turnover and transport as a function of soil depth in a California annual grassland soil chronosequence, Global Biogeochem. Cy., 16, 82-1–82-26, 2002. 
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Short summary
This study developed a spatially distributed carbon cycling model applicable in an eroding landscape. It includes all three carbon isotopes so that it is able to represent the carbon isotopic compositions. The model is able to represent the observations that eroding area is enriched in 13C and depleted of 14C compared to depositional area. Our simulations show that the spatial variability of carbon isotopic properties in an eroding landscape is mainly caused by the soil redistribution.