Articles | Volume 12, issue 19
Biogeosciences, 12, 5811–5829, 2015
https://doi.org/10.5194/bg-12-5811-2015
Biogeosciences, 12, 5811–5829, 2015
https://doi.org/10.5194/bg-12-5811-2015

Research article 13 Oct 2015

Research article | 13 Oct 2015

The role of snow cover affecting boreal-arctic soil freeze–thaw and carbon dynamics

Y. Yi et al.

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We found that regional warming promotes widespread deepening of soil thaw in the pan-Arctic area; continued warming will most likely promote permafrost degradation in the warm permafrost areas. We also found that deeper snowpack enhances soil respiration from deeper soil carbon pool more than temperature does, particularly in the cold permafrost areas, where a large amount of soil carbon is stored in deep perennial frozen soils but is potentially vulnerable to mobilization from climate change.
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