peat palsa

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• Palsa — (Plural: Palsas, also Palsen, from Finnish palsa , which in turn is a borrowing from Northern Sami balsa ), designates a low oval elevation in areas with Permafrost, frequently peat bogs, where a perennial ice lens has developed within the soil.… …   Wikipedia

• Peat — is an accumulation of partially decayed vegetation matter. Peat forms in wetlands or peatlands , variously called bogs , moors , muskegs , pocosins , mires , and peat swamp forests . By volume there is about 4 trillion m³ of peat in the world… …   Wikipedia

• palsa — /pahl seuh/, n., pl. palsen /pahl seuhn/. Geol. a mound of earth pushed up by or formed near the edge of a glacier, found in alpine and arctic areas. [1940 45; ( < G) < Sw pals(e) < Finnish palsa peat knob in a bog, hillock in the tundra …   Universalium

• palsa — /pahl seuh/, n., pl. palsen /pahl seuhn/. Geol. a mound of earth pushed up by or formed near the edge of a glacier, found in alpine and arctic areas. [1940 45; ( < G) < Sw pals(e) < Finnish palsa peat knob in a bog, hillock in the tundra …   Useful english dictionary

• palsa —    An elliptical dome like permafrost mound containing alternating layers of ice lenses and peat or mineral soil, commonly 3 10 m high and 2 25 m long, occurring in subarctic bogs of the tundra and often surrounded by water; pl. palsen.    NRC …   Glossary of landform and geologic terms

• Drunken trees — Not to be confused with the floss silk tree, also known as the drunken tree or palo borracho. A drunken forest in Siberia caused by melting permafrost. NASA photo. Drunken trees, tilted trees, or a drunken forest, is a stand of trees displaced… …   Wikipedia

• 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

• Turbera — en Canadá. Una turbera es un tipo de humedal ácido en el cual se ha acumulado materia orgánica en forma de turba. Las turberas son cuencas lacustres generalmente de origen glaciar que actualmente están repletas de material vegetal más o menos… …   Wikipedia Español

• List of Finns — This is a list of people from Finland, i.e. of noted Finns: Actors *Ida Aalberg (1858 ndash; 1915) *Aino Ackte (1876 ndash; 1944) *Jouko Ahola *Olavi Ahonen *Irina Björklund *Liisa Evastina *Peter Franzén *George Gaynes *Gina Goldberg *Anna Leena …   Wikipedia

• Talik — For the Israeli general named Talik, see Israel Tal. A talik (from the Russian Language talik, derived from the verb tait, to melt) is a layer of year round unfrozen ground that lies in permafrost areas. In regions of continuous permafrost,… …   Wikipedia

• Cryoturbation — Asphalt damaged by cryoturbation, or freezing of groundwater In gelisols (permafrost soils), cryoturbation (frost churning) refers to the mixing of materials from various horizons of the soil right down to the bedrock due to freezing and thawing …   Wikipedia