Articles | Volume 18, issue 17
Biogeosciences, 18, 4937–4952, 2021
https://doi.org/10.5194/bg-18-4937-2021
Biogeosciences, 18, 4937–4952, 2021
https://doi.org/10.5194/bg-18-4937-2021

Research article 10 Sep 2021

Research article | 10 Sep 2021

Estimated effect of the permafrost carbon feedback on the zero emissions commitment to climate change

Andrew H. MacDougall

Data sets

Estimated effect of the permafrost carbon feedback on the zero emissions commitment to climate change Andrew H. MacDougall https://doi.org/10.5683/SP2/I75BZ0

Model code and software

Earth System Climate Model UVic ESCM Michael Eby http://terra.seos.uvic.ca/model/

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Short summary
Permafrost soils hold about twice as much carbon as the atmosphere. As the Earth warms the organic matter in these soils will decay, releasing CO2 and CH4. It is expected that these soils will continue to release carbon to the atmosphere long after man-made emissions of greenhouse gases cease. Here we use a method employing hundreds of slightly varying model versions to estimate how much warming permafrost carbon will cause after human emissions of CO2 end.
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