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

G. Hugelius, J. Strauss, S. Zubrzycki, J. W. Harden, E. A. G. Schuur, C.-L. Ping, L. Schirrmeister, G. Grosse, G. J. Michaelson, C. D. Koven, J. A. O'Donnell, Bo Elberling, U. Mishra, P. Camill, Z. Yu, J. Palmtag, P. Kuhry