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Thule Island
Thule Island, also called Morrell Island, is one of the southernmost of the South Sandwich Islands, part of the grouping known as Southern Thule. It is named, on account of its remote location, after the mythical land of Thule, said by ancient geographers to lie at the extreme end of the Earth. The alternative name Morrell Island is after Benjamin Morrell, an American explorer and whaling captain. It was espied by James Cook and his ''Resolution'' crew on 31 January 1775 during his attempt to find Terra Australis. Geography Thule Island is approximately triangular in shape and in area with a long, panhandle-like peninsula called Hewison Point, , extending to the southeast. Steep slopes ascend to a summit caldera with the peak of Mount Larsen at above sea level. Mount Larsen is named after the Antarctic explorer and whaler Carl Anton Larsen. On the southwestern end lies Wasp Point. Off Hewison Point lies the small islet of Twitcher Rock, the southernmost land on Earth exce ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Sandwich Islands
) , anthem = "God Save the King" , song_type = , song = , image_map = South Georgia and the South Sandwich Islands in United Kingdom.svg , map_caption = Location of South Georgia and the South Sandwich Islands in the southern Atlantic Ocean , mapsize = 255px , subdivision_type = Sovereign state , subdivision_name = , established_title2 = Separation from Falkland Islands , established_date2 = 3 October 1985 , official_languages = English , demonym = , capital = King Edward Point , coordinates = , largest_settlement = capital , largest_settlement_type = largest settlement , ethnic_groups = , ethnic_groups_year = , government_type = Directly administered dependency under a constitutional monarchy , leader_title1 = Monarch , leader_name1 = Charles III , leader_title2 = Commissioner , leader_name2 = Alison Blake , national_representation = Government of the United Kingdom , national_representation_type1 = Minister , national_representation1 = Zac Go ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volcanic Crater Lake
A volcanic crater lake is a lake in a crater that was formed by explosive activity or a collapse during a volcanic eruption. Formation Lakes in calderas fill large craters formed by the collapse of a volcano during an eruption. Lakes in maars fill medium-sized craters where an eruption deposited debris around a vent. Crater lakes form as the created depression, within the crater rim, is filled by water. The water may come from precipitation, groundwater circulation (often hydrothermal fluids in the case of volcanic craters) or melted ice. Its level rises until an equilibrium is reached between the rates of incoming and outgoing water. Sources of water loss singly or together may include evaporation, subsurface seepage, and, in places, surface leakage or overflow when the lake level reaches the lowest point on its rim. At such a saddle location, the upper portion of the lake is contained only by its adjacent natural volcanic dam; continued leakage through or surface outflow ac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Geophysical Union
The American Geophysical Union (AGU) is a 501(c)(3) nonprofit organization of Earth, atmospheric, ocean, hydrologic, space, and planetary scientists and enthusiasts that according to their website includes 130,000 people (not members). AGU's activities are focused on the organization and dissemination of scientific information in the interdisciplinary and international fields within the Earth and space sciences. The geophysical sciences involve four fundamental areas: atmospheric and ocean sciences; solid-Earth sciences; hydrologic sciences; and space sciences. The organization's headquarters is located on Florida Avenue in Washington, D.C. History The AGU was established in December 1919 by the National Research Council (NRC) to represent the United States in the International Union of Geodesy and Geophysics (IUGG), and its first chairman was William Bowie of the United States Coast and Geodetic Survey (USCGS). For more than 50 years, it operated as an unincorporated affili ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Morrell Point
''Morrell Point is the northernmost point on the west coast of Thule Island in the South Sandwich Islands. It was named by the UK Antarctic Place-Names Committee in 1971 for Benjamin Morrell Benjamin Morrell (July 5, 1795 – 1838 or 1839?) was an American sea captain, explorer and trader who made a number of voyages, mainly to the Atlantic, the Southern Ocean and the Pacific Islands. In a ghost-written memoir, ''A Narrative of Four ..., a sealer of Stonington, Connecticut, who visited the island in the ''Wasp'' in 1823. References External links * Headlands of South Georgia and the South Sandwich Islands {{SouthGeorgia-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Herd Point
Herd Point () is a point which forms the west side of Ferguson Bay at the south end of Thule Island, in the South Sandwich Islands. It was roughly charted by a Russian expedition under Fabian Gottlieb von Bellingshausen in 1819–20. It was recharted in 1930 by Discovery Investigations personnel on the ''Discovery II'' and named for R.D. Herd of Ferguson Brothers Ferguson may refer to: Places Canada *Ferguson Avenue (Hamilton, Ontario) *Ferguson, British Columbia *Mount Ferguson (Ontario), a mountain in Temagami, Ontario United States *Ferguson, a meteorite fall in North Carolina *Ferguson, Arkansas *Fe ..., Port Glasgow, Scotland, the builders of the ''Discovery II''. References Headlands of South Georgia and the South Sandwich Islands {{SouthGeorgia-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cape Flannery
Cape Flannery () is a cape which forms the west end of Thule Island in the South Sandwich Islands. It was charted in 1930 by Discovery Investigations personnel on the RSS ''Discovery II'', who named it for Sir Fortescue Flannery, a member of the Discovery Committee The Discovery Committee was a popular name for the Interdepartmental Committee for the Dependencies of the Falkland Islands established by the British Government to carry out scientific investigations (which became known as ‘Discovery Investigati .... References Headlands of South Georgia and the South Sandwich Islands {{SouthGeorgia-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bernard Stonehouse
Bernard Stonehouse (1 May 1926 – 12 November 2014) was a British scientist who specialised in animal behaviour, polar research and popular science. In 1953 he received the Polar Medal. Early life and military service Stonehouse was born in Hull on 1 May 1926. He attended Hull Grammar School before joining the Royal Navy in 1944, and was seconded as a naval pilot to the Falkland Islands Dependencies Survey (later renamed the British Antarctic Survey) from 1946 to 1950. Further education and career After returning to Britain in 1950, Stonehouse studied zoology and geology at University College, London, and then earned his D.Phil. from Edward Grey Institute of Field Ornithology and Merton College, Oxford, which involved spending 18 months studying emperor penguins on South Georgia. He led the British Ornithologists' Union's centenary expedition to Ascension Island between 1957 and 1959. From 1960 to 1968, Stonehouse worked at the University of Canterbury (Christchurch, New Zeal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Falklands War
The Falklands War ( es, link=no, Guerra de las Malvinas) was a ten-week undeclared war between Argentina and the United Kingdom in 1982 over two British dependent territories in the South Atlantic: the Falkland Islands and its territorial dependency, South Georgia and the South Sandwich Islands. The conflict began on 2 April, when Argentina invaded and occupied the Falkland Islands, followed by the invasion of South Georgia the next day. On 5 April, the British government dispatched a naval task force to engage the Argentine Navy and Air Force before making an amphibious assault on the islands. The conflict lasted 74 days and ended with an Argentine surrender on 14 June, returning the islands to British control. In total, 649 Argentine military personnel, 255 British military personnel, and three Falkland Islanders were killed during the hostilities. The conflict was a major episode in the protracted dispute over the territories' sovereignt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Holdgate
Mount Holdgate () is a prominent mountain, high, with steep icefalls and rock buttresses which provides a clear landmark at the southeast end of Cook Island in the South Sandwich Islands. It was named by the UK Antarctic Place-Names Committee The UK Antarctic Place-Names Committee (or UK-APC) is a United Kingdom government committee, part of the Foreign and Commonwealth Office, responsible for recommending names of geographical locations within the British Antarctic Territory (BAT) and ... for Martin W. Holdgate, organizer and senior scientist of the survey of the South Sandwich Islands from in 1964. References Mountains and hills of South Georgia and the South Sandwich Islands {{SouthGeorgia-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volcano
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates are diverging or converging, and most are found underwater. For example, a mid-ocean ridge, such as the Mid-Atlantic Ridge, has volcanoes caused by divergent tectonic plates whereas the Pacific Ring of Fire has volcanoes caused by convergent tectonic plates. Volcanoes can also form where there is stretching and thinning of the crust's plates, such as in the East African Rift and the Wells Gray-Clearwater volcanic field and Rio Grande rift in North America. Volcanism away from plate boundaries has been postulated to arise from upwelling diapirs from the core–mantle boundary, deep in the Earth. This results in hotspot volcanism, of which the Hawaiian hotspot is an example. Volcanoes are usually not created where two tectonic plates slide ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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