thermokarst

thermokarst
   Karst-like topographic features produced in a permafrost region by local melting of ground ice and subsequent settling of the ground.
   GG

Glossary of landform and geologic terms. 2013.

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  • Thermokarst — refers to a land surface that forms as ice rich permafrost melts. It occurs extensively in Arctic areas, and on a smaller scale in mountainous areas such as the Himalayas and the Swiss Alps. The name is given to very irregular surfaces of marshy… …   Wikipedia

  • Thermokarst — Als Thermokarst wird ein Landformungsprozess in Periglazialgebieten durch auftauende Dauerfrostböden bezeichnet. Die ursprüngliche Herleitung des Begriffes Thermokarst kommt von der gewissen Ähnlichkeit der entstehenden Landformen mit dem… …   Deutsch Wikipedia

  • thermokarst — ▪ geology       land surface configuration that results from the melting of ground ice in a region underlain by permafrost. In areas that have appreciable amounts of ice, small pits, valleys, and hummocks are formed when the ice melts and the… …   Universalium

  • Thermokarst — En géomorphologie, le terme thermokarst (synonyme : cryokarst) désigne : un modelé caractérisé par des dépressions (par exemple, un alass) et des affaissements de terrain dus au tassement du sol consécutif de la fonte de la glace du… …   Wikipédia en Français

  • Thermokarst — Thẹrmokarst,   Kryokarst, Pseudokarst, kessel oder rinnenartige, oft wassererfüllte Hohlformen an der Oberfläche von Dauerfrostbodengebieten, bedingt durch das Auftauen von Eiskeilen und Eislinsen. Thermokarst wird oft durch anthropogene… …   Universal-Lexikon

  • thermokarst pit —    Steep walled depression formed by thermokarst processes [10] …   Lexicon of Cave and Karst Terminology

  • thermokarst — noun /ˌθɜː(ɹ).mʊəˈkɑː(ɹ)st/ A region similar in appearance to karst topography, characterized by an irregular land surface, with bogs, pits, and other depressions, formed in areas of permafrost due to ice melting …   Wiktionary

  • thermokarst —   in periglacial areas, the melting of ground ice causes subsidence and creates a very uneven surface …   Geography glossary

  • thermokarst —    1. A pitted periglacial or former periglacial surface in superficial deposits, produced by settling or caving of the ground after melting of ground ice [10].    2. A term applied to topographic depressions in karstic terranes resulting from… …   Lexicon of Cave and Karst Terminology

  • thermokarst — [ θə:mə(ʊ)kα:st] noun Geology a periglacial landscape resembling karst, resulting from the selective melting of permafrost …   English new terms dictionary

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