

Soils and other unconsolidated deposits in the northern circumpolar permafrost region store large amounts of soil organic carbon (SOC).

8 Palmer Research Center, University of Alaska Fairbanks, 1509 S.

7 Biological Sciences, Northern Arizona University, Flagstaff, AZ 86001, USA.6 Center for Ecosystem Science & Society, Northern Arizona University, Flagstaff, AZ 86001, USA.5 Department of Biology, University of Florida, Gainesville, FL 32611, USA.Geological Survey, Menlo Park, CA 94025, USA 3 Institute of Soil Science, Center for Earth System Research and Sustainability (CEN), Universität Hamburg, Allende-Platz 2, 20146 Hamburg, Germany.2 Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Periglacial Research Unit Potsdam, Telegrafenberg A43, 14473 Potsdam, Germany.1 Department of Physical Geography and Quaternary Geology, Stockholm University, 106 91 Stockholm, Sweden.
