Biogeosciences
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Articles | Volume 23, issue 13
Articles | Volume 23, issue 13
https://doi.org/10.5194/bg-23-4603-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-4603-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 13
Research article
 | 
07 Jul 2026
Research article |  | 07 Jul 2026

Drought-induced soil carbon dynamics in subtropical forests: emergent divergence from model structures

Fengfeng Du, Lianjun Feng, Lingyan Zhou, Zhizhuang Gu, Yaqi Zhang, Zhenggang Du, and Xuhui Zhou

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Short summary
We conducted a comparative evaluation of three soil organic carbon modeling structures under decadal drought. Results revealed significant disparities in the drought effects on soil organic carbon, with these differences primarily driven by carbon input and carbon residence times. Explicitly incorporating microbial enzyme altered the impacts of drought on organic carbon. These findings underscore the significance of model structure, constrainability, and microbial enzymies.
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