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land ice-sheet

См. также в других словарях:

  • ice sheet — noun : a glacial ice cover : ice cap the ice sheets on some Greenland promontories especially : one (as a continental glacier) spreading outward over a large land area and concealing all or most surface features the great ice sheets covering much …   Useful english dictionary

  • Ice sheet — An ice sheet is a mass of glacier ice that covers surrounding terrain and is greater than 50,000 km² (20,000 mile²). [cite web|url=http://gemini.oscs.montana.edu/ geol445/hyperglac/glossary.htm|accessdate=2006 08 22|title=Glossary of Important… …   Wikipedia

  • ice sheet — /ˈaɪs ʃit/ (say uys sheet) noun 1. a broad, thick sheet of ice covering an extensive area for a long period of time. 2. a mass of glacier ice that covers more than 50 000 square kilometres. Also, icesheet. The only current ice sheets (def. 2) are …  

  • Greenland ice sheet — The Greenland Ice Sheet is a vast body of ice covering 1.71 million km², roughly 80% of the surface of Greenland. It is the second largest ice body in the world, after the Antarctic Ice Sheet. The ice sheet is almost 2,400 kilometers long in a… …   Wikipedia

  • Antarctic ice sheet — The Antarctic ice sheet is one of the two polar ice caps of the Earth. It covers about 98% of the Antarctic continent and is the largest single mass of ice on Earth. It covers an area of almost 14 million square km and contains 30 million cubic… …   Wikipedia

  • Patagonian Ice Sheet — The Patagonian Ice Sheet was a large elongated and narrow ice sheet that covered all of Chile south of approximately present day Puerto Montt during the Llanquihue glaciation. Some maps have the Patagonian Ice Sheet connected to the icecaps of… …   Wikipedia

  • Cordilleran Ice Sheet — The Cordilleran ice sheet was a major ice sheet that covered, during glacial periods of the Quaternary, a large area of North America. This included the following areas: Western Montana The Idaho Panhandle Northern Washington state down to about… …   Wikipedia

  • Nansen Ice Sheet — (74°53′S 163°10′E / 74.883°S 163.167°E / 74.883; 163.167Coordinates …   Wikipedia

  • ice sheet — noun a layer of ice covering an extensive tract of land for a long period of time …   English new terms dictionary

  • East Antarctic Ice Sheet — The East Antarctic Ice Sheet (EAIS) is one of two large ice sheets in Antarctica, and the largest in the entire world. It rests upon a large land mass, contrary to that of the West Antarctic Ice Sheet (WAIS), which rests on frozen water. The… …   Wikipedia

  • Ice age — An ice age is a period of long term reduction in the temperature of the Earth s surface and atmosphere, resulting in an expansion of continental ice sheets, polar ice sheets and alpine glaciers. Glaciologically, ice age is often used to mean a… …   Wikipedia

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