Large stocks of permafrost soil organic carbon and nitrogen in Arctic river deltas

This work is embedded into the Permafrost Carbon Network. We thank Michail Grigoriev for supporting field logistics in the Lena Delta, and Paul Göckeritz, Tanja Herbst and Dyke Scheidemann for their help with the laboratory analyses. We kindly acknowledge the support by the Research Station Samoylov Island and the Teshekpuk Lake Observatory for providing critical field logistics. In addition, we thank the U.S. Fish and Wildlife Service in Kotzebue, NANA Regional Cooperation, and the U.S. National Park Service for their support and their permissions granted for the field work in summer 2016 in northwest Alaska. This study was supported by the NERC-BMBF CACOON project (#03F0806A), ERC Starting Grant PETA-CARB (#338335), the Initiative and Networking Fund of the Helmholtz Association (#ERC-0013), the EU Nunataryuk project (#773421), the BMBF KoPf project (#03F0764B), the DFG project POLYGON (#164232461), ESA GlobPermafrost, and the U.S. National Science Foundation awards NSF #1927872, NSF #2052107, OISE-1927553, OPP-1903735, and OPP-2336164. The authors acknowledge support by the Open Access publication fund of Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung.

Authors and Affiliations

1. Renewable and Sustainable Energy Institute, University of Colorado Boulder, Boulder, CO, USA

   Matthias Fuchs

2. Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Potsdam, Germany

   Matthias Fuchs, Loeka L. Jongejans, Jens Strauss, Ingmar Nitze, Pier Paul Overduin, Lutz Schirrmeister, Claire Treat, Alexandra Veremeeva & Guido Grosse

3. GFZ Helmholtz Centre for Geosciences, Potsdam, Germany

   Matthias Fuchs, Torsten Sachs & Alexandra Runge

4. Institute of Geoecology, Technische Universität Braunschweig, Braunschweig, Germany

   Torsten Sachs

5. Faculty of Science, Earth and Climate, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands

   Loeka L. Jongejans

6. Stockholm University, Department of Physical Geography, Stockholm, Sweden

   Gustaf Hugelius & Juri Palmtag

7. Stockholm University, Bolin Centre for Climate Research, Stockholm, Sweden

   Gustaf Hugelius

8. Alaska Biological Research, Inc., Fairbanks, AK, USA

   Gerald V. Frost

9. University of Alaska Fairbanks, Institute of Northern Engineering, Fairbanks, AK, USA

   Benjamin M. Jones

10. Northwest Territories Geological Survey, Government of Northwest Territories, Yellowknife, NT, Canada

    Steven V. Kokelj

11. Department of Earth System Sciences, University of Hamburg, Hamburg, Germany

    Lars Kutzbach

12. Swedish Nuclear Fuel and Waste Management Co., SKB, Solna, Sweden

    Juri Palmtag

13. University of Alaska Fairbanks, Palmer Research Center, Agriculture and Forestry Experiment Station, Palmer, AK, USA

    Chien-Lu Ping

14. Geoscience and Environment Toulouse, CNRS, University of Toulouse, Toulouse, France

    Oleg S. Pokrovsky

15. BIO-GEO-CLIM Laboratory, Tomsk State University, Tomsk, Russia

    Oleg S. Pokrovsky

16. Kovda Institute of Physicochemical, and Biological Problems in Soil Science, Russian Academy of Sciences, Pushchino, Russia

    Elizaveta Rivkina

17. Eberswalde University for Sustainable Development, Department LGW, Eberswalde, Germany

    Georg Schwamborn

18. Umeå University, Department of Ecology and Environmental Science, Umeå, Sweden

    Matthias B. Siewert

19. Department of Agroecology, Center for Landscape Research in Sustainable Agricultural Futures, Aarhus University, Aarhus, Denmark

    Claire Treat

20. Universität Hamburg, Earth and Society Research Hub, School of Integrated Climate and Earth System Sciences, Hamburg, Germany

    Sebastian Zubrzycki

21. University of Potsdam, Institute of Geosciences, Potsdam, Germany

    Guido Grosse

Corresponding author

Correspondence to
Matthias Fuchs.

Competing interests

The authors declare no competing interests.

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