Volume 11, issue 23 | Copyright
Biogeosciences, 11, 6573-6593, 2014
https://doi.org/10.5194/bg-11-6573-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 01 Dec 2014

Research article | 01 Dec 2014

Estimated stocks of circumpolar permafrost carbon with quantified uncertainty ranges and identified data gaps

G. Hugelius et al.
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This study provides an updated estimate of organic carbon stored in the northern permafrost region. The study includes estimates for carbon in soils (0 to 3 m depth) and deeper sediments in river deltas and the Yedoma region. We find that field data is still scarce from many regions. Total estimated carbon storage is ~1300 Pg with an uncertainty range of between 1100 and 1500 Pg. Around 800 Pg carbon is perennially frozen, equivalent to all carbon dioxide currently in the Earth's atmosphere.
This study provides an updated estimate of organic carbon stored in the northern permafrost...
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