Biogeosciences
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Articles | Volume 15, issue 1
Articles | Volume 15, issue 1
https://doi.org/10.5194/bg-15-115-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/bg-15-115-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 15, issue 1
Research article
 | 
09 Jan 2018
Research article |  | 09 Jan 2018

Modelling the diurnal and seasonal dynamics of soil CO2 exchange in a semiarid ecosystem with high plant–interspace heterogeneity

Jinnan Gong, Ben Wang, Xin Jia, Wei Feng, Tianshan Zha, Seppo Kellomäki, and Heli Peltola

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Short summary
By modelling soil CO2 production, transport and surface exchange processes (e.g. biocrust photosynthesis, respiration and photodegradation), we simulated the large variation of soil CO2 emissions from sparsely vegetated dryland ecosystem. Based on the model, we studied the roles of different processes in regulating soil C emissions. The complexity of regulation processes implied possibly high non-linearity of C responses to climatic variation, climate change and extreme climate events.
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