permafrost soil
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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 — Permafrostboden – auch Dauerfrostboden – ist ab einer gewissen Tiefe das ganze Jahr hindurch gefroren. Definitionsgemäß ist Permafrostboden „Boden, Sediment oder Gestein, welches in unterschiedlicher Mächtigkeit und Tiefe unter der Erdoberfläche… … Deutsch Wikipedia
permafrost — ► NOUN ▪ a thick subsurface layer of soil that remains below freezing point throughout the year … English terms dictionary
permafrost — [pʉr′mə frôst΄] n. [ PERMA(NENT) + FROST] permanently frozen soil, subsoil, etc … English World dictionary
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 album — Infobox Album | Name = Permafrost Type = Album Artist = Thomas Köner Released = 1993 Genre = Ambient Length = 37:45 Label = Barooni Producer = Thomas Köner Reviews = *Allmusic (3.0/5.0) [http://wc08.allmusic.com/cg/amg.dll?p=amg… … Wikipedia
permafrost — Ground, soil, or rock that remains at or below 0 °C for at least two years. It is defined on the basis of temperature and is not necessarily frozen (i.e., cemented by ice). Compare: continuous permafrost, discontinuous permafrost, sporadic… … Glossary of landform and geologic terms
Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock … Wikipedia
Soil Tax — Als USDA Bodenklassifikation bezeichnet man eine Klassifikation von Böden, die das amerikanische Landwirtschaftsministerium (US Department of Agriculture, USDA Natural Resources Conservation Service, NRCS) herausgegeben hat. Sie stellt neben der… … Deutsch Wikipedia
Soil Taxonomy — Als USDA Bodenklassifikation bezeichnet man eine Klassifikation von Böden, die das amerikanische Landwirtschaftsministerium (US Department of Agriculture, USDA Natural Resources Conservation Service, NRCS) herausgegeben hat. Sie stellt neben der… … Deutsch Wikipedia
permafrost — per|ma|frost [ˈpə:məfrɔst US ˈpə:rməfro:st] n [U] [Date: 1900 2000; Origin: permanent + frost] a layer of soil that is always frozen in countries where it is very cold … Dictionary of contemporary English
