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Willett Range
The Willett Range () is the range extending north from Mistake Peak and running for as a high shelf along the edge of the continental ice to the Mackay Glacier, in Victoria Land. The range is breached by several glaciers flowing east from the plateau. Name The Willett Range was named by the New Zealand Northern Survey Party of the Commonwealth Trans-Antarctic Expedition (CTAE; 1956–58) for R.W. Willett, Director of the New Zealand Geological Survey, who gave valuable assistance throughout the expedition and in the compilation stages after its return. Location The Willet Range runs from south to north along the eastern side of the Antarctic Plateau. It is north of Wright Upper Glacier and the Olympus Range, and west of Balham Valley, the Apocalypse Peaks, Barwick Valley, the Cruzen Range, and Clare Range. The head of the Mackay Glacier is to the north. Head Mountains . A group of mountains to the south of Gateway Nunatak and the head of Mackay Glacier Mackay Gl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Antarctica
Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. Antarctica is the fifth-largest continent, being about 40% larger than Europe, and has an area of . Most of Antarctica is covered by the Antarctic ice sheet, with an average thickness of . Antarctica is, on average, the coldest, driest, and windiest of the continents, and it has the highest average elevation. It is mainly a polar desert, with annual Climate of Antarctica#Precipitation, precipitation of over along the coast and far less inland. About 70% of the world's freshwater reserves are frozen in Antarctica, which, if melted, would raise global sea levels by almost . Antarctica holds the record for the Lowest temperature recorded on Earth, lowest measured temperature on Earth, . The coastal regions can reach temperatures over in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cruzen Range
The Cruzen Range () is a mountain range that rises to in Vashka Crag and extends west to east for between Salyer Ledge and Nickell Peak in the McMurdo Dry Valleys, Victoria Land, Antarctica. The range is bounded to north, east, south and west by the Clare Range, Victoria Valley, Barwick Valley, and the Webb Glacier. Name The Cruzen Range was named by the United States Advisory Committee on Antarctic Names (US-ACAP) in 2005 after Rear Admiral Richard H. Cruzen, commander of Task Force 68 during the U.S. Navy Antarctic Developments Project, 1946-47 (Operation Highjump). Location The Cruzen Range was formerly the southern part of the Clare Range, to the north. It is separated from the Clare Range by Webb Cirque which holds the névé at the head of the Webb Glacier to the northwest, and Victoria Upper Névé that feeds Victoria Upper Glacier to the northeast. The two are separated by a ridge leading south from Parker Mesa to The Fortress. To the south the range is boun ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mountain Ranges Of Victoria Land
A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher than a hill, typically rising at least above the surrounding land. A few mountains are isolated summits, but most occur in mountain ranges. Mountains are formed through tectonic forces, erosion, or volcanism, which act on time scales of up to tens of millions of years. Once mountain building ceases, mountains are slowly leveled through the action of weathering, through slumping and other forms of mass wasting, as well as through erosion by rivers and glaciers. High elevations on mountains produce colder climates than at sea level at similar latitude. These colder climates strongly affect the ecosystems of mountains: different elevations have different plants and animals. Because of the less hospitable terrain and climate, mountains ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Haselton Glacier
Barwick Valley () is an ice-free valley north of Apocalypse Peaks, extending from Webb Glacier to Victoria Valley in Victoria Land, Antarctica. A large part of the valley has been designated an Antarctic Specially Protected Area because of its pristine condition. Naming Barwick Valley was named by the Victoria University of Wellington Antarctic Expedition (VUWAE) (1958–59) for Richard Essex Barwick (1929-2012), summer biologist with the New Zealand party of the Commonwealth Trans-Antarctic Expedition (1956–58) who worked in this area in 1957–58 and as a member of the VUWAE, 1958–59. Location The Barwick Valley is one of the McMurdo Dry Valleys. It runs southeast from the Webb Icefall to the Insel Range, where it is joined from the southwest by Balham Valley. The combined valley continues east to Victoria Valley. To the north the valley is bounded by The Fortress and other features of the Cruzen Range (formerly part of the Clare Range). To the west and southwes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nunatak
A nunatak (from Inuit language, Inuit ) is the summit or ridge of a mountain that protrudes from an ice field or glacier that otherwise covers most of the mountain or ridge. They often form natural pyramidal peaks. Isolated nunataks are also called glacial islands, and smaller nunataks rounded by glacial action may be referred to as rognons. The word is of Greenlandic language, Greenlandic origin and has been used in English since the 1870s. Description The term ''nunatak'' is typically used in areas where a permanent ice sheet is present and the ridge protrudes above the sheet.J. J. Zeeberg, ''Climate and Glacial History of the Novaya Zemlya Archipelago, Russian Arctic''. pp. 82–84 Nunataks present readily identifiable landmark reference points in glaciers or ice caps and are often named. While some are isolated, they can also form dense clusters, such as Queen Louise Land in Greenland. Nunataks are generally angular and jagged, hampering the formation of glacial ice on thei ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Victoria University Of Wellington Antarctic Expedition
The Antarctic Research Centre (ARC) is part of the School of Geography, Environment and Earth Sciences at Victoria University of Wellington. Its mission is to research " Antarctic climate history and processes, and their influence on the global climate system. The current director of the Antarctic Research Centre is Associate Professor Robert McKay. Directors * 1972–2007: Professor Peter Barrett * 2008–2016: Professor Tim Naish * 2017–2019: Professor Andrew Mackintosh * 2020–present: Professor Robert McKay History In December 1957, geology students Barrie McKelvey and Peter Webb along with biologist Ron Balham conducted an expedition to the then unexplored McMurdo Dry Valleys via the Royal New Zealand Navy Antarctic support ship HMNZS ''Endeavour''. This expedition formed the basic for the annual Victoria University of Wellington Antarctic Expeditions, which continue to the present day. Since this first expedition, over 400 staff and students have travelled to t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Webb Glacier (Victoria Land)
Barwick Valley () is an ice-free valley north of Apocalypse Peaks, extending from Webb Glacier to Victoria Valley in Victoria Land, Antarctica. A large part of the valley has been designated an Antarctic Specially Protected Area because of its pristine condition. Naming Barwick Valley was named by the Victoria University of Wellington Antarctic Expedition (VUWAE) (1958–59) for Richard Essex Barwick (1929-2012), summer biologist with the New Zealand party of the Commonwealth Trans-Antarctic Expedition (1956–58) who worked in this area in 1957–58 and as a member of the VUWAE, 1958–59. Location The Barwick Valley is one of the McMurdo Dry Valleys. It runs southeast from the Webb Icefall to the Insel Range, where it is joined from the southwest by Balham Valley. The combined valley continues east to Victoria Valley. To the north the valley is bounded by The Fortress and other features of the Cruzen Range (formerly part of the Clare Range). To the west and southwest ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vishniac Peak
The Clare Range () is the range extending west-southwest from Sperm Bluff to the Willett Range on the south side of Mackay Glacier, in Victoria Land, Antarctica. It is south of the Convoy Range and north of the Olympus Range. Exploration and name The Clare Range was circumnavigated in 1957 by the New Zealand Northern Survey Party of the Commonwealth Trans-Antarctic Expedition (CTAE; 1956–58), and named by them after Clare College, Cambridge, England. Location The Clare Range runs in an east-northeast direction to the south of the Frazier Glacier and Mackay Glacier. The Willett Range is to its east. The head of the Webb Glacier and Victoria Upper Névé separate it from the Cruzen Range The Cruzen Range () is a mountain range that rises to in Vashka Crag and extends west to east for between Salyer Ledge and Nickell Peak in the McMurdo Dry Valleys, Victoria Land, Antarctica. The range is bounded to north, east, south and west ... to the south. The eastern part of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 in 1943 as the Special Committee on Antarctic Names (SCAN). It became the Advisory Committee on Antarctic Names in 1947. Fred G. Alberts was Secretary of the Committee from 1949 to 1980. By 1959, a structured nomenclature was reached, allowing for further exploration, structured mapping of the region and a unique naming system. A 1990 ACAN gazeeter of Antarctica listed 16,000 names. Description The United States does not recognise territorial boundaries within Antarctica, so ACAN assigns names to features anywhere within the continent, in consultation with other national nomenclature bodies where appropriate, as defined by the Antarctic Treaty System. The research and staff support for the ACAN is provided by the United States Geologi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gateway Nunatak
Mackay Glacier () is a large glacier in Victoria Land, descending eastward from the Antarctic Plateau, between the Convoy Range and Clare Range, into the southern part of Granite Harbour. It was discovered by the South magnetic pole party of the British Antarctic Expedition, 1907–09, and named for Alistair Mackay, a member of the party. The glacier's tongue is called Mackay Glacier Tongue. First mapped by the British Antarctic Expedition, 1910–13 and named for Alistair F. Mackay, a member of the party. Its mouth is south of the Evans Piedmont Glacier and the Mawson Glacier. It is north of the Wilson Piedmont Glacier and the Ferrar Glacier. Course The Mackay Glacier forms on the Antarctic Plateau to the south of Gateway Nunatak and the north of Willett Range. It flows east to the north of Detour Nunatak and Pegtop Mountain, which separate it from Frazier Glacier to the south, which flows past the Clare Range The Clare Range () is the range extending west-southwes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clare Range
The Clare Range () is the range extending west-southwest from Sperm Bluff to the Willett Range on the south side of Mackay Glacier, in Victoria Land, Antarctica. It is south of the Convoy Range and north of the Olympus Range. Exploration and name The Clare Range was circumnavigated in 1957 by the New Zealand Northern Survey Party of the Commonwealth Trans-Antarctic Expedition (CTAE; 1956–58), and named by them after Clare College, Cambridge, England. Location The Clare Range runs in an east-northeast direction to the south of the Frazier Glacier and Mackay Glacier. The Willett Range is to its east. The head of the Webb Glacier (Victoria Land), Webb Glacier and Victoria Upper Névé separate it from the Cruzen Range to the south. The eastern part of the range is north of the Saint Johns Range and Cotton Glacier. Features Named features, from southwest to northeast, include Vishniac Peak, Skew Peak, Parker Mesa, Dykes Peak, Heaphy Spur, Detour Nunatak and Sperm Bluff. Vishn ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
