basal sliding

deslizamiento en bloque de hielo

English-Spanish dictionary of Geography . . 2007.

Mira otros diccionarios:

  • Basal sliding — is the act of a glacier sliding over the bed before it due to meltwater under the ice acting as a lubricant. This movement very much depends on the temperature of the area, the slope of the glacier, the bed s sediment size, the amount of… …   Wikipedia

  • glacial landform — ▪ geology Introduction  any product of flowing ice and meltwater. Such landforms are being produced today in glaciated areas, such as Greenland, Antarctica, and many of the world s higher mountain ranges. In addition, large expansions of present… …   Universalium

  • Ice sheet dynamics — describe the motion within large bodies of ice, such those currently on Greenland and Antarctica. Ice motion is dominated by the movement of glaciers, whose gravity driven activity is controlled by two main variable factors: the temperature and… …   Wikipedia

  • Overdeepening — Sognefjord in Norway, the second longest fjord in the world, shows characteristic overdeepening. Overdeepening is a characteristic of basins and valleys eroded by glaciers. An overdeepened valley profile is often eroded to depths which are… …   Wikipedia

  • Glacial motion — is the motion of glaciers, which can be likened to rivers of ice. It has played an important role in sculpting many landscapes. Most lakes in the world occupy basins scoured out by glaciers. Glacial motion can be fast (up to 30 m/day, observed on …   Wikipedia

  • Glacier — This article is about the geological formation. For other uses, see Glacier (disambiguation). The Baltoro Glacier in the Karakoram, Kashmir, Northern Pakistan. At 62 kilometres (39 mi) in length, it is one of the longest alpine glaciers on… …   Wikipedia

  • Moraine — This article is about geological phenomena. For other uses, see Moraine (disambiguation). A moraine is any glacially formed accumulation of unconsolidated glacial debris (soil and rock) which can occur in currently glaciated and formerly… …   Wikipedia

  • Esker — An esker is a long winding ridge of stratified sand and gravel, examples of which occur in glaciated and formerly glaciated regions of Europe and North America. Eskers are frequently several kilometres long and, because of their peculiar uniform… …   Wikipedia

  • Meltwater — For the company, see Meltwater Group. Meltwater from Mount Edith Cavell Cavell Glacier Meltwater is the water released by the melting of snow or ice, including glacial ice and ice shelfs over oceans. Meltwater is often found in the …   Wikipedia

  • Erebus Ice Tongue — (1901 1904) named and charted the ice tongue. [ [http://aadc maps.aad.gov.au/aadc/gaz/display name.cfm?gaz id=124864 Australian Antarctic Data Centre] , Antarctic Gazetteer Name Details.] Erebus Ice Tongue is about 10 meters high and is centered… …   Wikipedia

  • Drumlin — For the band, see Drumlin (band). Elongate and forested drumlins south of Puerto Williams, Chile. Flow direction here was at time of formation from west to east (left to right on picture) …   Wikipedia

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