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... > social science subjects > geography > Earth science > physical geography > geomorphology > permafrost
... > other subjects > natural sciences > Earth science > physical geography > geomorphology > permafrost

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permafrost  

Definición

  • Permafrost is any subsurface earth material that remains below 0 °C for at least two consecutive years, including the intervening summer. Currently, permafrost covers approximately 25% of the Northern Hemisphere land surface and approximately 25% of the Antarctic continent. [Source: Encyclopedia of Geography; Permafrost]

Concepto genérico

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URI

http://data.loterre.fr/ark:/67375/N9J-N6SPKJVZ-3

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