Articles | Volume 13, issue 7
Biogeosciences, 13, 1991–2001, 2016
https://doi.org/10.5194/bg-13-1991-2016
Biogeosciences, 13, 1991–2001, 2016
https://doi.org/10.5194/bg-13-1991-2016

Research article 06 Apr 2016

Research article | 06 Apr 2016

A parameterization of respiration in frozen soils based on substrate availability

Kevin Schaefer and Elchin Jafarov

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Short summary
Respiration in frozen soils is limited to within the thin water films surrounding soil particles. We parameterize volumetric water content (VWC) in frozen soil to represent the fraction of thawed carbon to simulate substrate availability. Simulated VWC and respiration match in situ and soil incubation data. The parameterization is most applicable when simulating carbon dynamics in permafrost for time scales of 100 years or greater.
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