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Empirical estimates to reduce modeling uncertainties of soil organic carbon in permafrost regions: a review of recent progress and remaining challenges
Stockholm University, Faculty of Science, Department of Physical Geography and Quaternary Geology.
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2013 (English)In: Environmental Research Letters, ISSN 1748-9326, E-ISSN 1748-9326, Vol. 8, no 3, 035020- p.Article in journal (Refereed) Published
Abstract [en]

The vast amount of organic carbon (OC) stored in soils of the northern circumpolar permafrost region is a potentially vulnerable component of the global carbon cycle. However, estimates of the quantity, decomposability, and combustibility of OC contained in permafrost-region soils remain highly uncertain, thereby limiting our ability to predict the release of greenhouse gases due to permafrost thawing. Substantial differences exist between empirical and modeling estimates of the quantity and distribution of permafrost-region soil OC, which contribute to large uncertainties in predictions of carbon-climate feedbacks under future warming. Here, we identify research challenges that constrain current assessments of the distribution and potential decomposability of soil OC stocks in the northern permafrost region and suggest priorities for future empirical and modeling studies to address these challenges.

Place, publisher, year, edition, pages
2013. Vol. 8, no 3, 035020- p.
Keyword [en]
soil organic carbon, Earth system models, uncertainty, carbon-climate feedbacks, permafrost, cryoturbation
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:su:diva-95782DOI: 10.1088/1748-9326/8/3/035020ISI: 000325247100065OAI: oai:DiVA.org:su-95782DiVA: diva2:661646
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AuthorCount:18;

Available from: 2013-11-04 Created: 2013-11-04 Last updated: 2017-12-06Bibliographically approved

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