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Arctic Basin
The Arctic Basin (also North Polar Basin) is an oceanic basin in the Arctic Ocean, consisting of two main parts separated by the Lomonosov Ridge, a mid-ocean ridge between north Greenland and the New Siberian Islands. It is bordered by the continental shelves of Eurasia and North America. * The Eurasian Basin (also Norwegian Basin) consists of the Nansen Basin (formerly: Fram Basin) and the Amundsen Basin * The Amerasia Basin consists of the Canada Basin and the Makarov Basin Exploration Fridtjof Nansen and Otto Sverdrup sailed the basin in the '' Fram'' from 1893 to 1896. Between 1922 and 1924, Roald Amundsen Roald Engelbregt Gravning Amundsen (, ; ; 16 July 1872 – ) was a Norwegian explorer of polar regions. He was a key figure of the period known as the Heroic Age of Antarctic Exploration. Born in Borge, Østfold, Norway, Amundsen beg ... followed in the '' Maud''. References * Herman, Yvonne (July 1970) "Arctic Paleo-Oceanography in Late Cenozoic Time" '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arctic Ocean Bathymetric Features
The Arctic ( or ) is a polar region located at the northernmost part of Earth. The Arctic consists of the Arctic Ocean, adjacent seas, and parts of Canada ( Yukon, Northwest Territories, Nunavut), Danish Realm ( Greenland), Finland, Iceland, Norway, Russia ( Murmansk, Siberia, Nenets Okrug, Novaya Zemlya), Sweden and the United States (Alaska). Land within the Arctic region has seasonally varying snow and ice cover, with predominantly treeless permafrost (permanently frozen underground ice) containing tundra. Arctic seas contain seasonal sea ice in many places. The Arctic region is a unique area among Earth's ecosystems. The cultures in the region and the Arctic indigenous peoples have adapted to its cold and extreme conditions. Life in the Arctic includes zooplankton and phytoplankton, fish and marine mammals, birds, land animals, plants and human societies. Arctic land is bordered by the subarctic. Definition and etymology The word Arctic comes from the Gree ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amundsen Basin
The Amundsen Basin, with depths up to , is the deepest abyssal plain in the Arctic Ocean, and contains the geographic North Pole. The Amundsen Basin is embraced by the Lomonosov Ridge (from to ) and the Gakkel Ridge (from to ). It is named after the polar researcher Roald Amundsen. Together with the Nansen Basin, the Amundsen Basin is often summarized as Eurasian Basin. The Russian-American cooperation Nansen and Amundsen Basin Observational SystemNABOS aims "to provide a quantitative observationally based assessment of circulation, water mass transformations, and transformation mechanisms in the Eurasian and Canadian Basins of the Arctic Ocean". Formation The Amundsen Basin formed during the Cenozoic Era from seafloor spreading Seafloor spreading or Seafloor spread is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge. History of study Earlier theories by Alfred Wegener a ... ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maud (ship)
''Maud'', named for Queen Maud of Norway, was a ship built for Roald Amundsen for his second expedition to the Arctic. Designed for his intended voyage through the Northeast Passage, the vessel was built in Asker, a suburb of the capital, Oslo. ''Maud'' was launched in June 1916 or 17 June 1917 at Vollen and ceremonially christened by Amundsen crushing a chunk of ice against her bow: Career She lived up to her christening, as she remained in the ice until 2016. Whereas other vessels used in Amundsen's polar explorations, '' Gjøa'' and '' Fram'', have been preserved at the Norwegian Maritime Museum, ''Maud'' had a more rugged fate. After sailing through the Northeast Passage, which did not go as planned and took six years between 1918 and 1924, she ended up in Nome, Alaska and in August 1925 was sold on behalf of Amundsen's creditors in Seattle, Washington. The buyer was the Hudson's Bay Company, which renamed her ''Baymaud''. She was to be used as a supply vessel for Company ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roald Amundsen
Roald Engelbregt Gravning Amundsen (, ; ; 16 July 1872 – ) was a Norwegian explorer of polar regions. He was a key figure of the period known as the Heroic Age of Antarctic Exploration. Born in Borge, Østfold, Norway, Amundsen began his career as a polar explorer as first mate on Adrien de Gerlache's Belgian Antarctic Expedition of 1897–1899. From 1903 to 1906, he led the first expedition to successfully traverse the Northwest Passage on the sloop '' Gjøa''. In 1909, Amundsen began planning for a South Pole expedition. He left Norway in June 1910 on the ship '' Fram'' and reached Antarctica in January 1911. His party established a camp at the Bay of Whales and a series of supply depots on the Barrier (now known as the Ross Ice Shelf) before setting out for the pole in October. The party of five, led by Amundsen, became the first to successfully reach the South Pole on 14 December 1911. Following a failed attempt in 1918 to reach the North Pole by travers ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nansen's Fram Expedition
Nansen's ''Fram'' expedition of 1893–1896 was an attempt by the Norwegian explorer Fridtjof Nansen to reach the geographical North Pole by harnessing the natural east–west current of the Arctic Ocean. In the face of much discouragement from other polar explorers, Nansen took his ship '' Fram'' to the New Siberian Islands in the eastern Arctic Ocean, froze her into the pack ice, and waited for the drift to carry her towards the pole. Impatient with the slow speed and erratic character of the drift, after 18 months Nansen and a chosen companion, Hjalmar Johansen, left the ship with a team of Samoyed dogs and sledges and made for the pole. They did not reach it, but they achieved a record Farthest North latitude of 86°13.6′N before a long retreat over ice and water to reach safety in Franz Josef Land. Meanwhile, ''Fram'' continued to drift westward, finally emerging in the North Atlantic Ocean. The idea for the expedition had arisen after items from the American vessel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fram (ship)
''Fram'' ("Forward") is a ship that was used in expeditions of the Arctic and Antarctic regions by the Norway, Norwegian explorers Fridtjof Nansen, Otto Sverdrup, Oscar Wisting, and Roald Amundsen between 1893 and 1912. It was designed and built by the Scottish-Norwegian shipwright Colin Archer for Fridtjof Nansen's 1893 Arctic expedition in which the plan was to freeze ''Fram'' into the Arctic ice sheet and float with it over the Geographic North Pole, North Pole. ''Fram'' is preserved as a museum ship at the Fram Museum in Oslo, Norway. Construction Nansen's ambition was to explore the Arctic farther north than anyone else. To do that, he would have to deal with a problem that many sailing on the polar ocean had encountered before him: the freezing ice could crush a ship. Nansen's idea was to build a ship that could survive the pressure, not by pure strength, but because it would be of a shape designed to let the ice push the ship up, so it would "float" on top of the ice. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Otto Sverdrup
Otto Neumann Knoph Sverdrup (31 October 1854, in Bindal, Helgeland – 26 November 1930) was a Norwegian sailor and Arctic explorer. Early and personal life He was born in Bindal as a son of farmer Ulrik Frederik Suhm Sverdrup (1833–1914) and his wife Petra Neumann Knoph (1831–1885). He was a great-grandnephew of Georg Sverdrup and Jacob Liv Borch Sverdrup, first cousin twice removed of Harald Ulrik and Johan Sverdrup, second cousin once removed of Jakob, Georg and Edvard Sverdrup, third cousin of Georg Johan, Jakob, Mimi, Leif and Harald Ulrik Sverdrup. He was a brother-in-law of Johan Vaaler, and Otto himself married his own first cousin, Gretha Andrea Engelschiøn (1866–1937), in October 1891 in Kristiania. Their daughter Audhild Sverdrup (1893–1932) married Carl Johan Sverdrup Marstrander. His father was born on Buøy in Kolvereid municipality. As oldest son Otto was heir to the Sverdrup properties at Buøy. However, he left it all to his younger brothers ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fridtjof Nansen
Fridtjof Wedel-Jarlsberg Nansen (; 10 October 186113 May 1930) was a Norwegian polymath and Nobel Peace Prize laureate. He gained prominence at various points in his life as an explorer, scientist, diplomat, and humanitarian. He led the team that made the first crossing of the Greenland interior in 1888, traversing the island on cross-country skis. He won international fame after reaching a record northern latitude of 86°14′ during his ''Fram'' expedition of 1893–1896. Although he retired from exploration after his return to Norway, his techniques of polar travel and his innovations in equipment and clothing influenced a generation of subsequent Arctic and Antarctic expeditions. Nansen studied zoology at the Royal Frederick University in Christiania and later worked as a curator at the University Museum of Bergen where his research on the central nervous system of lower marine creatures earned him a doctorate and helped establish neuron doctrine. Later, neuroscientist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Makarov Basin
The Makarov Basin is a seafloor basin in the Arctic Ocean, part of the Amerasian Basin. It lies between the Alpha Ridge and the Lomonosov Ridge The Lomonosov Ridge (russian: Хребет Ломоносова, da, Lomonosovryggen) is an unusual underwater ridge of continental crust in the Arctic Ocean. It spans between the New Siberian Islands over the central part of the ocean to Elle .... Arctic Ocean {{arctic-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canada Basin
The Canada Basin is a deep oceanic basin within the Arctic Ocean. It is part of the Amerasian Basin and lies off the coast of Alaska and northwest Canada between the Chukchi Plateau north of Alaska and the Alpha Ridge north of Ellesmere Island Ellesmere Island ( iu, script=Latn, Umingmak Nuna, lit=land of muskoxen; french: île d'Ellesmere) is Canada's northernmost and third largest island, and the tenth largest in the world. It comprises an area of , slightly smaller than Great Br .... References External links Image Oceanic basins of the Arctic Ocean Oceanography of Canada {{arctic-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amerasia Basin
The Amerasia Basin, or Amerasian Basin, is one of the two major basins from which the Arctic Ocean can be subdivided (the other one being the Eurasian Basin). The triangular-shaped Amerasia Basin broadly extends from the Canadian Arctic Islands to the East Siberian Sea, and from Alaska to the Lomonosov Ridge. The basin can be further subdivided based on bathymetric features; these include the Canada Basin, the Makarov Basin, the Podvodnikov Basin, the Alpha-Mendeleev Ridge, and the Chukchi Plateau. The Amerasia Basin is connected to the Pacific Ocean via the Bering Strait and to the North Atlantic Ocean via the Eurasia Basin and the Fram Strait. The continental shelf around the Amerasia Basin is very broad, averaging up to in width. The average depth of the Amerasia Basin is , and it covers . The Canada Basin (with a maximum depth of ) is underlain by oceanic crust at its centre, as well as extended continental crust and transitional-type crust around its margins. The Makar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nansen Basin
The Nansen Basin (also Central Basin, formerly Fram Basin) is an abyssal plain with water-depths of around 3 km in the Arctic Ocean and (together with the deeper Amundsen Basin) part of the Eurasian Basin. It is named after Fridtjof Nansen. The Nansen Basin is bounded by the Gakkel Ridge on the one side and by the Barents Sea continental shelf on the other. The lowest point of the Arctic Ocean The Arctic Ocean is the smallest and shallowest of the world's five major oceans. It spans an area of approximately and is known as the coldest of all the oceans. The International Hydrographic Organization (IHO) recognizes it as an ocean, ... lies within the Nansen Basin and has a depth of 4,665 m. The Barents Abyssal Plain is located at the center of the Fram Basin. Oceanographic situation The Russian-American cooperation Nansen and Amundsen Basin Observational SystemNABOS aims "to provide a quantitative observationally based assessment of circulation, water mass transformati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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