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Ice Streams Of Antarctica ...
This is a list of Antarctic ice streams. A complete list of Antarctic ice streams is not available. Names and locations of Antarctic ice features, including those listed below, can be found in the Scientific Committee on Antarctic Research, Gazetteer. Major Antarctic ice drainage systems are given by Rignot and Thomas (2002). These include the ice streams with the greatest flow, which are listed below. References {{authority control * Ice streams An ice stream is a region of fast-moving ice within an ice sheet. It is a type of glacier, a body of ice that moves under its own weight. They can move upwards of a year, and can be up to in width, and hundreds of kilometers in length. They t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ice Stream
An ice stream is a region of fast-moving ice within an ice sheet. It is a type of glacier, a body of ice that moves under its own weight. They can move upwards of a year, and can be up to in width, and hundreds of kilometers in length. They tend to be about deep at the thickest, and constitute the majority of the ice that leaves the sheet. In Antarctica, the ice streams account for approximately 90% of the sheet's mass loss per year, and approximately 50% of the mass loss in Greenland. The shear forces cause deformation and recrystallization that drive the movement, this movement then causes topographic lows and valleys to form after all of the material in the ice sheet has been discharged. Sediment also plays an important role in flow velocity, the softer and more easily deformed the sediment present, the easier it is for flow velocity to be higher. Most ice streams contain a layer of water at the bottom, which lubricates flow and acts to increase speed. Mechanics Ice str ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fox Ice Stream
Fox Ice Stream () is an ice stream about long flowing into Eltanin Bay southwest of Wirth Peninsula, Antarctica. It was named by the Advisory Committee on Antarctic Names after Adrian Fox of the British Antarctic Survey, part of the USA–UK cooperative project to compile Glaciological and Coastal-Change Maps of the Antarctic Peninsula The Antarctic Peninsula, known as O'Higgins Land in Chile and Tierra de San Martín in Argentina, and originally as Graham Land in the United Kingdom and the Palmer Peninsula in the United States, is the northernmost part of mainland Antarctic ...; he was active in field and mapping projects from the early 1990s onwards. References Ice streams of Ellsworth Land {{EllsworthLand-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ninnis Glacier
Ninnis Glacier () is a large, heavily hummocked and crevassed glacier descending steeply from the high interior to the sea in a broad valley, on George V Coast in Antarctica. It was discovered by the Australasian Antarctic Expedition (1911–14) under Douglas Mawson, who named it for Lieutenant B. E. S. Ninnis, who lost his life on the far east sledge journey of the expedition on 14 December 1912 through falling into the Black Crevasse in the glacier. The seawards extension of the glacier is the broad Ninnis Glacier Tongue (). It was recorded (1962) as projecting seaward about 30 miles (50 km). See also * List of glaciers in the Antarctic * List of Antarctic ice streams This is a list of Antarctic ice streams. A complete list of Antarctic ice streams is not available. Names and locations of Antarctic ice features, including those listed below, can be found in the Scientific Committee on Antarctic Research The ... Ice streams of Antarctica Bodies of ice of Georg ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mulock Glacier
Mulock Glacier in Antarctica is a heavily crevassed glacier which flows into the Ross Ice Shelf south of the Skelton Glacier in the Ross Dependency, Antarctica.USGS Mount Discovery map sheet ST 57-60/10 It was named by the New Zealand Antarctic Place-Names Committee in association with Mulock Inlet for Lieutenant George Mulock Captain George Francis Arthur Mulock, DSO, RN, FRGS (7 February 1882 – 26 December 1963) was an Anglo-Irish Royal Navy officer, cartographer and polar explorer who participated in an expedition to the Antarctic regions: the Discovery Expedi ..., Royal Navy, surveyor with the expedition. Further reading * Swithinbank, C. (1964), To the Valley Glaciers That Feed the Ross Ice Shelf', The Geographical Journal, 130(1), 32–48. doi:10.2307/1794263 * S. BANNISTER, B.L.N. KENNETT, Seismic Activity in the Transantarctic Mountains - Results from a Broadband Array Deployment', Terra Antartica 2002, 9(1),41-46 * ' * MARK W. SEEFELDT AND JOHN J. CASSANO, T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Möller Ice Stream
Möller Ice Stream () is an Antarctic ice stream that drains an area of of the West Antarctic Ice Sheet as it flows north-northeast into the Ronne Ice Shelf to the west of Foundation Ice Stream. The drainage basin of this ice stream is separated by the Rambo Nunataks from the drainage basin of Foundation Ice Stream. The feature was delineated from U.S. Landsat imagery commissioned by the Institut für Angewandte Geodäsie, Frankfurt am Main, Germany, recorded January–March, 1986. It was named after German engineer Professor Dietrich Möller, Director of the Institute for Land Survey at the Technical University of Braunschweig from 1972, and Deputy Leader and in charge of geodetic work at Filchner Station on the Ronne Ice Shelf in 1979–80. See also * List of glaciers in the Antarctic * List of Antarctic ice streams This is a list of Antarctic ice streams. A complete list of Antarctic ice streams is not available. Names and locations of Antarctic ice features, including t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mertz Glacier
Mertz Glacier () is a heavily crevassed glacier in George V Coast of East Antarctica. It is the source of a glacial prominence that historically has extended northward into the Southern Ocean, the ''Mertz Glacial Tongue''. It is named in honor of the Swiss explorer Xavier Mertz. The Mertz-Ninnis Valley () is an undersea valley named in association with the Mertz Glacier and the Ninnis Glacier. Geography Mertz Glacier is about 45 miles (72 km) long and averaging 20 miles (32 km) wide. It reaches the sea at the head of a 60 km fjord where it continues as a large glacier tongue out between Cape De la Motte/ Buchanan Bay on the West, and Cape Hurley/ Fisher Bay on the east, into the Southern Ocean. The Mertz Glacier Tongue () is about 50 miles (80 km) long in total hence it protrudes about 20–25 km out into the Ocean. It is roughly 25 miles (40 km) wide. The Glacier delivers about 10 to 12 Gigatons of ice per year to the fjord and the Tongue advan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mercer Ice Stream
Mercer Ice Stream (), formerly Ice Stream A, flows west to Gould Coast to the south of Whillans Ice Stream, Antarctica. It is the southernmost of several major ice streams draining from Marie Byrd Land into the Ross Ice Shelf. The ice streams were investigated and mapped by U.S. Antarctic Research Program personnel in a number of field seasons from 1983–84 and named Ice Stream A, B, C, etc., according to their position from south to north. The name was changed by the Advisory Committee on Antarctic Names in 2002 to honor Quaternary geologist John H. Mercer (1922–87) of the Institute of Polar Studies (now the Byrd Polar Research Center), Ohio State University, who mapped the moraines above Reedy Glacier and in the Ohio Range at the head of Horlick Ice Stream, the major tributaries to Mercer Ice Stream. See also * Conway Ice Ridge * List of glaciers in the Antarctic * List of Antarctic ice streams References Ice streams of Marie Byrd Land {{MarieByrdLand-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MacAyeal Ice Stream
MacAyeal Ice Stream (), formerly Ice Stream E, is an ice stream in Antarctica flowing west to the juncture of Shirase Coast and Siple Coast between Bindschadler Ice Stream and Echelmeyer Ice Stream. It is one of several major ice streams draining from Marie Byrd Land into the Ross Ice Shelf. The ice streams were investigated and mapped by U.S. Antarctic Research Program personnel in a number of field seasons from 1983–84 onwards and named Ice Stream A, B, C, etc., according to their position from south to north. The name was changed from Ice Stream E by the Advisory Committee on Antarctic Names in 2002 to honor Douglas R. MacAyeal of the Department of Geophysical Sciences, University of Chicago, a U.S. Antarctic Program investigator in the Ross Sea area including study of the Ross Ice Shelf, the West Antarctic Ice Sheet and the Marie Byrd Land ice streams, 1989–2002. Shabtaie Ice Ridge sits between the MacAyeal and Bundschadler ice streams. See also * List of glaciers in t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lidke Ice Stream
Lidke Ice Stream () is an ice stream about long flowing north into Stange Sound, east of Mount Benkert, on the English Coast of Palmer Land, Antarctica. It was mapped by the United States Geological Survey (USGS) from surveys and U.S. Navy aerial photographs, 1961–66, and was first visited by a USGS field party in January 1985. The ice stream was named by the Advisory Committee on Antarctic Names The Advisory Committee on Antarctic Names (ACAN or US-ACAN) is an advisory committee of the United States Board on Geographic Names responsible for recommending commemorative names for features in Antarctica. History The committee was established ... after USGS geologist David J. Lidke, a member of the field party. References Ice streams of Antarctica Bodies of ice of Palmer Land {{PalmerLand-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Land Glacier
Land, also known as dry land, ground, or earth, is the solid terrestrial surface of the planet Earth that is not submerged by the ocean or other body of water, bodies of water. It makes up 29% of Earth's surface and includes the Continent, continents and various Island, islands. Earth's land surface is almost entirely covered by regolith, a layer of rock, soil, and minerals that forms the outer part of the Earth's crust, crust. Land plays important roles in Earth's climate system and is involved in the carbon cycle, nitrogen cycle, and water cycle. One-third of land is covered in trees, 15% is used for crops, and 10% is covered in permanent snow and Glacier, glaciers. Land terrain varies greatly and consists of mountains, deserts, plains, plateaus, glaciers, and other landforms. In physical geology, the land is divided into two major categories: Mountain range, mountain ranges and relatively flat interiors called cratons. Both are formed over millions of years through plate te ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lambert Glacier
Lambert Glacier is a major glacier in East Antarctica. At about 50 miles (80 km) wide, over 250 miles (400 km) long, and about 2,500 m deep, it is the world's largest glacier. It drains 8% of the Antarctic ice sheet to the east and south of the Prince Charles Mountains and flows northward to the Amery Ice Shelf. It flows in part of Lambert Graben and exits the continent at Prydz Bay. This glacier was delineated and named in 1952 by American geographer John H. Roscoe who made a detailed study of this area from aerial photographs taken by Operation Highjump, 1946–47. He gave the name "Baker Three Glacier", using the code name of the Navy photographic aircraft and crew that made three flights in this coastal area in March 1947 resulting in geographic discoveries. The glacier was described in Gazetteer No. 14, ''Geographic Names of Antarctica'' (U.S. Board on Geographic Names, 1956), but the feature did not immediately appear on published maps. As a result the name Lam ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kamb Ice Stream
Kamb Ice Stream (), a glaciological feature of the Ross Ice Shelf of the West Antarctic Ice Sheet, formerly known as Ice Stream C, the ice stream was renamed in 2001 in honor of Caltech Glaciologist Dr. Barclay Kamb Walter Barclay Kamb (December 17, 1931 - April 21, 2011) was a longtime professor and researcher at the California Institute of Technology (Caltech). Professor Kamb was one of the first scientists to journey to the Antarctic to study how the glacie .... Its margins were the focus of a sequence of scientific borehole expeditions in 2019 and 2021 where a New Zealand team melted their way through the ice to sample the oceanographic conditions below. Sources Antarctic Glaciologists Honored by ACAN Ice streams of Marie Byrd Land {{MarieByrdLand-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
