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Denman

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Denman Glacier is a glacier that is 11 to 16 km (7 to 10 mi) wide, descending north some 110 km (70 mi), which debouches into the Shackleton Ice Shelf east of David Island , Queen Mary Land . It was discovered in November 1912 by the Western Base party of the Australasian Antarctic Expedition under Sir Douglas Mawson . Mawson named the glacier for Lord Denman , Governor-General of Australia in 1911, a patron of the expedition.

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15-785: Denman may refer to: Places [ edit ] Denman Glacier , near Antarctica Denman Shire , New South Wales, Australia Denman, New South Wales , a town in the Hunter Valley of Australia Denman Island , one of the Gulf Islands of British Columbia, Canada Denman, Nebraska , a community in the United States Denman Wildlife Area , Rogue Valley, Oregon, United States Denman Mountain , New York, United States Denman Peak , Washington, United States People [ edit ] Denman (surname) , people with

30-621: A small portion of this region lies within the Eastern Hemisphere , a fact that has suggested the name. The name has been in existence for more than 110 years (Balch, 1902; Nordenskjöld, 1904), but its greatest use followed the International Geophysical Year (1957–58) and explorations disclosing that the Transantarctic Mountains provide a useful regional separation of East Antarctica and West Antarctica . The name

45-636: A title in the peerage of the United Kingdom Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title Denman . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Denman&oldid=1070827696 " Categories : Disambiguation pages Place name disambiguation pages Disambiguation pages with given-name-holder lists Hidden categories: Short description

60-590: Is different from Wikidata All article disambiguation pages All disambiguation pages Denman Glacier The canyon under Denman Glacier has been found by the BedMachine Antarctica project (under the leadership of the University of California, Irvine ) to be the deepest natural location on land (or at least not under liquid water) worldwide , with the bedrock being 3,500 m (11,500 ft) below sea level. Calving of Denman Glacier into

75-461: Is not covered with ice . The small areas that remain free of ice ( Antarctic oasis ), including the McMurdo Dry Valleys inland, constitute a tundra-type biodiversity region known as Maudlandia Antarctic desert , after Queen Maud Land . There are no trees or shrubs, as only very limited plant life can survive here; the flora consists of lichens , moss , and algae that are adapted to

90-524: The George V Coast . 66°45′S 99°30′E  /  66.750°S 99.500°E  / -66.750; 99.500 [REDACTED]  This article incorporates public domain material from "Denman Glacier" . Geographic Names Information System . United States Geological Survey . East Antarctica 80°S 80°E  /  80°S 80°E  / -80; 80 East Antarctica , also called Greater Antarctica , constitutes

105-458: The Mawson Sea gives rise to the periodically appearing Pobeda Ice Island . A 2020 study reported Denman Glacier has retreated 5.4±0.3 km over a 20-year-period from 1996 to 2017–2018. The study projects that the glacier has the potential to undergo a rapid, irreversible retreat, due to the presence of a retrograde bed on the western flank of the glacier and the likely presence of warm water in

120-713: The coast, East Antarctica is permanently covered by ice and it has relatively low biodiversity , with only a small number of species of terrestrial plants, animals, algae , and lichens . The coasts are the breeding ground for various seabirds and penguins, and the leopard seal , Weddell seal , elephant seal , crabeater seal and Ross seal breed on the surrounding pack ice in summer. Almost completely covered in thick, permanent ice, East Antarctica comprises Coats Land , Queen Maud Land , Enderby Land , Kemp Land , Mac. Robertson Land , Princess Elizabeth Land , Wilhelm II Land , Queen Mary Land , Wilkes Land , Adélie Land , George V Land , Oates Land and Victoria Land . All but

135-459: The cold and wind, and cling to rocks. The coasts are home to seabirds , penguins , and seals ( Pinnipeds ), which feed in the surrounding ocean , including the emperor penguin , which famously breeds in the cold, dark Antarctic winter. Seabirds of the coast include southern fulmar ( Fulmarus glacialoides ) , the scavenging southern giant petrel ( Macronectes giganteus ) , Cape petrel ( Daption capense ) , snow petrel ( Pagodroma nivea ) ,

150-668: The collection of more data. Denman represents one of relatively few ice streams that have been identified as requiring special attention in East Antarctica , which has generally been thought of as stable compared to the West Antarctic Ice Sheet . Findings of the instability and retreat of Denman Glacier have contributed to a shift in the perception of change in East Antarctica, along with changes observed at Totten Glacier and glaciers at Vincennes Bay , Porpoise Bay , and

165-584: The majority (two-thirds) of the Antarctic continent , lying primarily in the Eastern Hemisphere south of the Indian Ocean , and separated from West Antarctica by the Transantarctic Mountains . It is generally greater in elevation than West Antarctica, and includes the Gamburtsev Mountain Range in the center. The geographic South Pole is located within East Antarctica. Apart from small areas of

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180-600: The small Wilson's storm-petrel ( Oceanites oceanicus ) , the large south polar skua ( Catharacta maccormicki ) , and Antarctic petrel ( Thalassoica antarctica ) . The seals of the Antarctic Ocean include leopard seal (Hydrurga leptonyx) , Weddell seal (Leptonychotes weddellii) , the huge southern elephant seal (Mirounga leonina) , crabeater seal (Lobodon carcinophagus) and Ross seal ( Ommatophoca rossii ). There are no large land animals but bacteria , nematodes , springtails , mites , and midges live on

195-412: The sub-ice-shelf cavity. If the entirety of the glacier were hollowed out, it would contribute to a 1.5 m rise in global sea level. However, as there are many factors which will determine the rate of retreat as it continues, such as the narrowness of the channel along which it is occurring and the movement of warm water from the deep ocean, it is difficult to be certain about the fate of the glacier without

210-569: The surname Denman Fink (1880–1956), American artist and magazine illustrator Denman Ross (1853–1935), American painter, art collector and professor Other uses [ edit ] Denman (horse) , a racehorse, winner of the 2008 Cheltenham Gold Cup Denman Arena , a sports arena located in Vancouver, British Columbia Denman College , an adult education college in Oxfordshire, England See also [ edit ] Baron Denman ,

225-750: Was approved in the United States by the Advisory Committee on Antarctic Names (US-ACAN) in 1962. East Antarctica is generally higher than West Antarctica, and is considered the coldest place on Earth . The subglacial Gamburtsev Mountain Range , about the size of the European Alps, in the center of East Antarctica, are believed to have been the nucleation site for the East Antarctic Ice Sheet , just underneath Dome A . Very little of East Antarctica

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