subglacial water

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• Subglacial lake — A subglacial lake is a lake under a glacier, typically an ice cap or ice sheet. There are many such lakes, with Lake Vostok in Antarctica being by far the largest at present times.The water below the ice remains liquid since geothermal heating… …   Wikipedia

• Subglacial volcano — A subglacial volcano is a volcanic form produced by subglacial eruptions or eruptions beneath the surface of a glacier or ice sheet which is then melted into a lake by the rising lava. Today they are most common in Iceland and Antarctica; older… …   Wikipedia

• Subglacial eruption — A subglacial eruption is a volcanic eruption that has occurred under ice, or under a glacier. Subglacial eruptions can cause dangerous floods, lahars and create hyaloclastite and pillow lava. Only five of these types of eruptions have been… …   Wikipedia

• Concordia Subglacial Lake — (74°6′S 125°9′E / 74.1°S 125.15°E / 74.1; 125.15) is a subglacial lake located beneath an ice sheet 4,000 to 4,100 metres (13,100 to 13,500 ft) thick. It has a surface …   Wikipedia

• Body of water — [ River Gambia flowing through Niokolokoba National Park] A body of water is any significant accumulation of water, usually covering the Earth or another planet. The term body of water most often refers to large accumulations of water, such as… …   Wikipedia

• Bentley Subglacial Trench — The Bentley Sub glacial Trench is a vast oceanic trench in Antarctica, 80°S, 115°W. At 2,555 meters (8,327 ft) below sea level, it is the lowest point on the surface of the earth not covered by ocean, although it is covered by ice. Most people do …   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

• glacier — glaciered, adj. /glay sheuhr/, n. an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of… …   Universalium

• 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

• Clastic dike — Vertical clastic dike, filled with coarse basaltic sand, cuts lighter colored horizontal beds composed of finer grained material. Quarter for scale. A clastic dike is a seam of sedimentary material that fills a crack in and cuts across… …   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