English: Location of Permafrost in the Northern Hemisphere. Glaciers and the Greenland Ice Sheet are violet, and Arctic Sea Ice is light blue. from NSIDC
Français : Cartographie du permafrost de l'hémisphère nord (en nuances de brun). La calotte polaire et les glaciers du Groenland sont en violet et la glace de l'océan arctique en bleu clair (source NSIDC)
{{Information |Description=Location of Permafrost in the Northern Hemisphere |Source=http://nsidc.org/cgi-bin/atlas_north?zoomdir=0&zoomsize=2&zoom_to=&glossary_term=&layer=north_pole_geographic&imgxy=250.0+250.0&imgext=-9000622.951330+-9073062.572670+907
{{Information |Description=Location of Permafrost in the Northern Hemisphere |Source=http://nsidc.org/cgi-bin/atlas_north?zoomdir=0&zoomsize=2&zoom_to=&glossary_term=&layer=north_pole_geographic&imgxy=250.0+250.0&imgext=-9000622.951330+-9073062.572670+907