articleBiogeosciencesDec 1, 2014GOLD OA

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

GHGustaf HugeliusJSJens StraußSZSebastian ZubrzyckiJWJ. W. HardenEAEdward A. G. Schuur

Stockholm University · Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung · +12 more institutions

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Abstract

Abstract. Soils and other unconsolidated deposits in the northern circumpolar permafrost region store large amounts of soil organic carbon (SOC). This SOC is potentially vulnerable to remobilization following soil warming and permafrost thaw, but SOC stock estimates were poorly constrained and quantitative error estimates were lacking. This study presents revised estimates of permafrost SOC stocks, including quantitative uncertainty estimates, in the 0–3 m depth range in soils as well as for sediments deeper than 3 m in deltaic deposits of major rivers and in the Yedoma region of Siberia and Alaska. Revised estimates are based on significantly larger databases compared to previous studies. Despite this there…

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Topics & keywords

Topics
Keywords
  • Permafrost
  • Soil water
  • Soil carbon
  • Geology
  • Circumpolar star
  • Arctic
  • Environmental science
  • Physical geography
UN Sustainable Development Goals
  • Life below water
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