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  • Mishra, UmakantEnvironmental Science Division, Argonne National Laboratory, 9700 South Cass Avenue, IL, Argonne, United States; Computational Biology and Biophysics, Sandia National Laboratories, CA, Livermore, United States (author)

Spatial heterogeneity and environmental predictors of permafrost region soil organic carbon stocks

  • Article/chapterEnglish2021

Publisher, publication year, extent ...

  • American Association for the Advancement of Science (AAAS),2021
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:umu-181742
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-181742URI
  • https://doi.org/10.1126/sciadv.aaz5236DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-193291URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Large stocks of soil organic carbon (SOC) have accumulated in the Northern Hemisphere permafrost region, but their current amounts and future fate remain uncertain. By analyzing dataset combining >2700 soil profiles with environmental variables in a geospatial framework, we generated spatially explicit estimates of permafrost-region SOC stocks, quantified spatial heterogeneity, and identified key environmental predictors. We estimated that Pg C are stored in the top 3 m of permafrost region soils. The greatest uncertainties occurred in circumpolar toe-slope positions and in flat areas of the Tibetan region. We found that soil wetness index and elevation are the dominant topographic controllers and surface air temperature (circumpolar region) and precipitation (Tibetan region) are significant climatic controllers of SOC stocks. Our results provide first high-resolution geospatial assessment of permafrost region SOC stocks and their relationships with environmental factors, which are crucial for modeling the response of permafrost affected soils to changing climate.

Subject headings and genre

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  • Hugelius, GustafStockholms universitet,Institutionen för naturgeografi,Department of Physical Geography and Quaternary Geology, Stockholm University, Stockholm, Sweden(Swepub:su)chuge (author)
  • Shelef, EitanDepartment of Geology and Environmental Science, University of Pittsburgh, PA, Pittsburgh, United States (author)
  • Yang, YuanheState Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, China (author)
  • Strauss, JensPermafrost Research Section, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Potsdam, Germany (author)
  • Lupachev, AlexeyInstitute of Physico-Chemical and Biological Problems in Soil Science, Russian Academy of Sciences, Puschchino, Russian Federation (author)
  • Harden, Jennifer W.School of Earth, Energy and Environmental Sciences, Stanford University, CA, Stanford, United States; Institute of Arctic Biology, University of Alaska Fairbanks, P.O. Box 757000, AK, Fairbanks, United States (author)
  • Jastrow, Julie D.Environmental Science Division, Argonne National Laboratory, 9700 South Cass Avenue, IL, Argonne, United States (author)
  • Ping, Chien-LuPalmer Research Center, University of Alaska Fairbanks, AK, Palmer, United States (author)
  • Riley, William J.Earth and Environmental Sciences, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (author)
  • Schuur, Edward A.G.Center for Ecosystem Science and Society, Northern Arizona University, AZ, Flagstaff, United States (author)
  • Matamala, RoserEnvironmental Science Division, Argonne National Laboratory, 9700 South Cass Avenue, IL, Argonne, United States (author)
  • Siewert, MatthiasUmeå universitet,Institutionen för ekologi, miljö och geovetenskap,Arcum(Swepub:umu)masi0110 (author)
  • Nave, Lucas E.Biological Station, University of Michigan, MI, Pellston, United States (author)
  • Koven, Charles D.Earth and Environmental Sciences, Lawrence Berkeley National Laboratory, CA, Berkeley, United States (author)
  • Fuchs, MatthiasPermafrost Research Section, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Potsdam, Germany (author)
  • Palmtag, JuriDepartment of Geography and Environment, Northumbria University, Newcastle upon Tyne, United Kingdom (author)
  • Kuhry, PeterStockholms universitet,Institutionen för naturgeografi,Department of Physical Geography and Quaternary Geology, Stockholm University, Stockholm, Sweden(Swepub:su)pkuhr (author)
  • Treat, Claire C.Permafrost Research Section, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Potsdam, Germany (author)
  • Zubrzycki, SebastianInstitute of Soil Science, Center for Earth System Research and Sustainability (CEN), Universität Hamburg, Hamburg, Germany (author)
  • Hoffman, Forrest M.Climate Change Institute, Oak Ridge National Laboratory, TN, Oak Ridge, United States; Department of Civil and Environmental Engineering, University of Tennessee, 325 John D. Tickle Building, 851 Neyland Drive, TN, Knoxville, United States (author)
  • Elberling, BoCENPERM (Center for Permafrost), Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark (author)
  • Camill, PhilipEarth and Oceanographic Science Department and Environmental Studies Program, Bowdoin College, ME, Brunswick, United States (author)
  • Veremeeva, AlexandraInstitute of Physico-Chemical and Biological Problems in Soil Science, Russian Academy of Sciences, Puschchino, Russian Federation (author)
  • Orr, AndrewEnvironmental Science Division, Argonne National Laboratory, 9700 South Cass Avenue, IL, Argonne, United States (author)
  • Environmental Science Division, Argonne National Laboratory, 9700 South Cass Avenue, IL, Argonne, United States; Computational Biology and Biophysics, Sandia National Laboratories, CA, Livermore, United StatesInstitutionen för naturgeografi (creator_code:org_t)

Related titles

  • In:Science Advances: American Association for the Advancement of Science (AAAS)7:92375-2548

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