permanently frozen soil

См. также в других словарях:

• Canadian system of soil classification — The Canadian system of soil classification is more closely related to the American system than any other. They differ in several ways. The Canadian system is designed to cover only Canadian soils. The Canadian system dispenses with a sub order… …   Wikipedia

• tundra — /tun dreuh, toon /, n. one of the vast, nearly level, treeless plains of the arctic regions of Europe, Asia, and North America. [1835 45; < Russ túndra < Lappish; cf. Kola Lappish tundar flat elevated area] * * * Treeless, level or rolling ground …   Universalium

• Tundra — In physical geography, tundra is an area where the tree growth is hindered by low temperatures and short growing seasons. The term tundra comes from Kildin Sami tūndâr uplands, tundra, treeless mountain tract . There are two types of tundra:… …   Wikipedia

• ice — iceless, adj. icelike, adj. /uys/, n., v., iced, icing, adj. n. 1. the solid form of water, produced by freezing; frozen water. 2. the frozen surface of a body of water. 3. any substance resembling frozen water: camphor ice …   Universalium

• Moorland — For other uses, see Moorland (disambiguation). Extensive moorland in the Desert of Wales Moorland or moor is a type of habitat, in the temperate grasslands, savannas, and shrublands biome, found in upland areas, characterised by low growing… …   Wikipedia

• Georgeson Botanical Garden — The Georgeson Botanical Garden is a botanical garden located at 117 West Tanana Drive on the University of Alaska Fairbanks campus in Fairbanks, Alaska, USA. The garden is used for both research and demonstration, and is open to the public during …   Wikipedia

• permafrost — [pʉr′mə frôst΄] n. [ PERMA(NENT) + FROST] permanently frozen soil, subsoil, etc …   English World dictionary

• perm|a|frost — «PUR muh FRST, FROST», noun. a layer of permanently frozen soil and other deposits, sometimes reaching a depth of a thousand feet or more, found near the surface throughout most of the arctic regions. ╂[apparently < perma(nent) + frost] …   Useful english dictionary

• arctic — arctically, adv. /ahrk tik/ or, esp. for 7, /ahr tik/, adj. 1. (often cap.) of, pertaining to, or located at or near the North Pole: the arctic region. 2. coming from the North Pole or the arctic region: an arctic wind. 3. characteristic of the… …   Universalium

• climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …   Universalium

• North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …   Universalium