permanently frozen ground

См. также в других словарях:

• ground ice — noun 1. : anchor ice 2. : clear ice in permanently frozen ground * * * ground ice noun The ice formed at the bottom of a body of water • • • Main Entry: ↑ground * * * ground ice, ice formed at the bottom of a river or other body of wat …   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

• Cryosphere — Overview of the Cryosphere and its larger components, from the UN Environment Programme Global Outlook for Ice and Snow. The cryosphere (from the Greek κρύος cryos cold , frost or ice ) is the term which collectively describes the portions of the …   Wikipedia

• tjaele — ˈchālēˌ lə noun ( s) Etymology: Swedish; akin to Old Norse theli frozen ground, Old English thel board, plank, Latin tellus earth more at thill : frozen ground; especially : permanently frozen ground …   Useful english dictionary

• National Snow and Ice Data Center — The National Snow and Ice Data Center, or NSIDC, is a United States information and referral center in support of polar and cryospheric research. NSIDC archives and distributes digital and analog snow and ice data and also maintains information… …   Wikipedia

• mammoth — /mam euhth/, n. 1. any large, elephantlike mammal of the extinct genus Mammuthus, from the Pleistocene Epoch, having hairy skin and ridged molar teeth. adj. 2. immensely large; huge; enormous: a mammoth organization. [1690 1700; < Russ mam(m)ot… …   Universalium

• Dark slope streak — Slope Streaks in Acheron Fossae in 2010 …   Wikipedia

• permafrost — noun ˈpɝməˌfrɔst Permanently frozen ground, or a specific layer thereof. Nevertheless, the water molecule is present, as ice, in a solid form in frozen soils or permafrosts, which cover large regions characterised by a polar climate …   Wiktionary

• mollisol — ˈmäləˌsäl noun ( s) Etymology: Latin mollis soft + solum ground more at melt, soil : the surface layer of permanently frozen ground in which the ice melts during the summer …   Useful english dictionary

• Криолитозона — (от крио (См. Крио...)..., греч. lithos камень и Зона)         часть криосферы (См. Криосфера), самый верхний слой земной коры, характеризующийся в течение всего года или хотя бы короткое время (но не менее суток) отрицательной температурой почв… …   Большая советская энциклопедия

• Многолетняя криолитозона —         верхний слой земной коры, характеризующийся устойчивой в течение многих лет отрицательной или нулевой температурой, обеспечивающей круглогодичное и длительное (не менее двух лет подряд) сохранение подземного льда. Верхняя часть М. к.… …   Большая советская энциклопедия