Articles | Volume 15, issue 1
https://doi.org/10.5194/bg-15-115-2018
https://doi.org/10.5194/bg-15-115-2018
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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Latest update: 18 Apr 2024
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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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