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

Mishra, Umakant (författare)
Environmental Science Division, Argonne National Laboratory, 9700 South Cass Avenue, IL, Argonne, United States; Computational Biology and Biophysics, Sandia National Laboratories, CA, Livermore, United States
Hugelius, Gustaf (författare)
Stockholms universitet,Institutionen för naturgeografi,Department of Physical Geography and Quaternary Geology, Stockholm University, Stockholm, Sweden
Shelef, Eitan (författare)
Department of Geology and Environmental Science, University of Pittsburgh, PA, Pittsburgh, United States
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Yang, Yuanhe (författare)
State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, China
Strauss, Jens (författare)
Permafrost Research Section, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Potsdam, Germany
Lupachev, Alexey (författare)
Institute of Physico-Chemical and Biological Problems in Soil Science, Russian Academy of Sciences, Puschchino, Russian Federation
Harden, Jennifer W. (författare)
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
Jastrow, Julie D. (författare)
Environmental Science Division, Argonne National Laboratory, 9700 South Cass Avenue, IL, Argonne, United States
Ping, Chien-Lu (författare)
Palmer Research Center, University of Alaska Fairbanks, AK, Palmer, United States
Riley, William J. (författare)
Earth and Environmental Sciences, Lawrence Berkeley National Laboratory, CA, Berkeley, United States
Schuur, Edward A.G. (författare)
Center for Ecosystem Science and Society, Northern Arizona University, AZ, Flagstaff, United States
Matamala, Roser (författare)
Environmental Science Division, Argonne National Laboratory, 9700 South Cass Avenue, IL, Argonne, United States
Siewert, Matthias (författare)
Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Arcum
Nave, Lucas E. (författare)
Biological Station, University of Michigan, MI, Pellston, United States
Koven, Charles D. (författare)
Earth and Environmental Sciences, Lawrence Berkeley National Laboratory, CA, Berkeley, United States
Fuchs, Matthias (författare)
Permafrost Research Section, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Potsdam, Germany
Palmtag, Juri (författare)
Department of Geography and Environment, Northumbria University, Newcastle upon Tyne, United Kingdom
Kuhry, Peter (författare)
Stockholms universitet,Institutionen för naturgeografi,Department of Physical Geography and Quaternary Geology, Stockholm University, Stockholm, Sweden
Treat, Claire C. (författare)
Permafrost Research Section, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Potsdam, Germany
Zubrzycki, Sebastian (författare)
Institute of Soil Science, Center for Earth System Research and Sustainability (CEN), Universität Hamburg, Hamburg, Germany
Hoffman, Forrest M. (författare)
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
Elberling, Bo (författare)
CENPERM (Center for Permafrost), Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark
Camill, Philip (författare)
Earth and Oceanographic Science Department and Environmental Studies Program, Bowdoin College, ME, Brunswick, United States
Veremeeva, Alexandra (författare)
Institute of Physico-Chemical and Biological Problems in Soil Science, Russian Academy of Sciences, Puschchino, Russian Federation
Orr, Andrew (författare)
Environmental Science Division, Argonne National Laboratory, 9700 South Cass Avenue, IL, Argonne, United States
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 (creator_code:org_t)
American Association for the Advancement of Science (AAAS), 2021
2021
Engelska.
Ingår i: Science Advances. - : American Association for the Advancement of Science (AAAS). - 2375-2548. ; 7:9
Relaterad länk:
https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
https://www.science....
https://urn.kb.se/re...
https://doi.org/10.1...
https://urn.kb.se/re...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • 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.

Ämnesord

NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
NATURVETENSKAP  -- Geovetenskap och miljövetenskap (hsv//swe)
NATURAL SCIENCES  -- Earth and Related Environmental Sciences (hsv//eng)

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