permafrost region

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• Permafrost — This article is about frozen ground. For other uses, see Permafrost (disambiguation). In geology, permafrost, cryotic soil or permafrost soil is soil at or below the freezing point of water (0 °C or 32 °F) for two or more years. Ice is not always …   Wikipedia

• permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …   Universalium

• Permafrost — Pergélisol En violet : zones de pergélisol (actuel) en période de dégel, le résea …   Wikipédia en Français

• discontinuous permafrost —    Permafrost occurring in some areas beneath the exposed land surface throughout a geographic region where other areas are free of permafrost.    Compare: continuous permafrost, sporadic permafrost.    NRC …   Glossary of landform and geologic terms

• continuous permafrost —    Permafrost occurring everywhere beneath the exposed land surface throughout a geographic region.    Compare: discontinuous permafrost, sporadic permafrost.    NRC …   Glossary of landform and geologic terms

• International Permafrost Association — The International Permafrost Association (IPA), founded in 1983, has as its objectives to foster the dissemination of knowledge concerning permafrost and to promote cooperation among persons and national or international organisations engaged in… …   Wikipedia

• Tibet Autonomous Region — This article is about the administrative region of China. For the ethno cultural region, see Tibet. For other uses, see Tibet (disambiguation). Tibet Autonomous Region Xizang Autonomous Region Chinese : 西藏自治区 …   Wikipedia

• List of life zones by region — Main article: Altitudinal zonation The climate and ecology of different locations on the globe naturally separate into life zones, depending on elevation, location, and latitude. The generally strong dependency on elevation is known as… …   Wikipedia

• Nunavik — Not to be confused with the Canadian territory of Nunavut. Nunavik region Nunavik (Inuktitut: ᓄᓇᕕᒃ) comprises the northern third of the province of Quebec, Canada. Covering a land area of 443,684.71 km² (171,307.62 sq mi) north of the 55th… …   Wikipedia

• Kaminak Lake — Infobox lake lake name = Kaminak Lake image lake = caption lake = image bathymetry = caption bathymetry = location = Northern Canada coords = coord|62|13|N|95|00|W|region:CA type:waterbody|display=inline,title type = inflow = Ferguson River… …   Wikipedia

• Hot spring — For places with similar name, see Hot Springs (disambiguation). Grand Prismatic Spring and Midway Geyser Basin in Yellowstone National Park A hot spring is a spring that is produced by the emergence of geothermally heated groundwater …   Wikipedia