MacDougall et al. (2012)
Also: MacDougall et al. 2012
Significant contribution to climate warming from the permafrost carbon feedback
MacDougall, A. H., Avis, C. A., & Weaver, A. J. (2012). Significant contribution to climate warming from the permafrost carbon feedback. Nature Geoscience, 5(10), 719-721. Link to abstract
doi:10.1038/ngeo1573
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.