Citation

Noetzli, J., H. H. Christiansen, V. E. Romanovsky, N. I. Shiklomanov, S. L. Smith, G. Vieira and L. Zhao. 2015. Cryosphere, Permafrost thermal state [in—State of the Climate in 2014]. Bulletin of the American Meteorological Society. 96: S17-S18. https://www.ametsoc.net/sotc/StateoftheClimate2014_lowres.pdf.