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This page provides a directory of major data sources relevant to the study of permafrost.

Global Data sources

Global Terrestrial Network for Permafrost (GTN-P)

Circumpolar Active Layer Monitoring (CALM)

National and Regional Data sources

National Snow and Ice Data Center (NSIDC)

National Tibetan Plateau Data Center (NTPDC)

Arctic Data Center (ADC)

Permafrost Map

Brown, J., O.J. Ferrians, Jr., J.A. Heginbottom, and E.S. Melnikov, eds. 1997. Circum-Arctic map of permafrost and ground-ice conditions. Washington, DC: U.S. Geological Survey in Cooperation with the Circum-Pacific Council for Energy and Mineral Resources. Circum-Pacific Map Series CP-45, scale 1:10,000,000, 1 sheet.