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Keywords from Image Description:
Permafrost NH. Location of Permafrost in the Northern Hemisphere Glaciers and the Greenland Ice Sheet are violet and Arctic Sea Ice is light blue from NSIDC org zoomdir zoomsize zoomto glossaryterm layer northpolegeographic xy ext map FWEB FINTERNET FMMS Fatlas Fcryosphereatlasnorth map savequery true mapext shapes layer