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Denman Glacier information


Denman Glacier
Image of Denman Glacier
Photo of Denman Glacier
Map showing the location of Denman Glacier
Map showing the location of Denman Glacier
Location of Denman Glacier in Antarctica
Typetributary
LocationQueen Mary Land
Coordinates66°45′S 99°30′E / 66.750°S 99.500°E / -66.750; 99.500
Length110 km (70 mi)
Width16 km (10 mi)
Thicknessunknown
TerminusShackleton Ice Shelf
Statusunknown

Denman Glacier is a glacier 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.[1]

The canyon under Denman Glacier has been found by the BedMachine Antarctica project (under the leadership of the University of California, Irvine)[2] 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.[3][4]

Calving of Denman Glacier into the Mawson Sea gives rise to the periodically appearing Pobeda Ice Island.

  1. ^ "Denman Glacier". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2012-01-11.
  2. ^ "So that's what it's like beneath Antarctica's ice sheet: New high-precision map reveals all the bumps and hollows". Cosmos magazine. 2019-12-13. Retrieved 2019-12-13.
  3. ^ Jonathan Amos (December 12, 2019). "Denman Glacier: Deepest point on land found in Antarctica". BBC. Retrieved December 13, 2019.
  4. ^ Mathieu Morlighem; Eric Rignot; Tobias Binder; Donald Blankenship; Reinhard Drews; Graeme Eagles; Olaf Eisen; Fausto Ferraccioli; René Forsberg; Peter Fretwell; Vikram Goel; Jamin S. Greenbaum; Hilmar Gudmundsson; Jingxue Guo; Veit Helm; Coen Hofstede; Ian Howat; Angelika Humbert; Wilfried Jokat; Nanna B. Karlsson; Won Sang Lee; Kenichi Matsuoka; Romain Millan; Jeremie Mouginot; John Paden; Frank Pattyn; Jason Roberts; Sebastian Rosier; Antonia Ruppel; Helene Seroussi; Emma C. Smith; Daniel Steinhage; Bo Sun; Michiel R. van den Broeke; Tas D. van Ommen; Melchior van Wessem; Duncan A. Young (2019-12-12). "Deep glacial troughs and stabilizing ridges unveiled beneath the margins of the Antarctic ice sheet". Nature Geoscience. 13 (2): 132–137. doi:10.1038/s41561-019-0510-8. S2CID 209331991. Retrieved 2019-12-13.

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Denman Glacier

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Denman Glacier is a glacier 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...

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Mawson Sea

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the World. Two important glaciers debouche into the water here: Scott Glacier and Denman Glacier. Calving of Denman Glacier gives rise to the periodically...

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Antarctica glaciers have lost ice in recent decades due to ocean warming and declining structural support from the local sea ice, such as Denman Glacier, and...

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of glaciers of Queen Mary Land in Antarctica. This list may not reflect recently named glaciers in Queen Mary Land. Apfel Glacier Denman Glacier Northcliffe...

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Kola Superdeep Borehole

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drilling ship, which achieved a subsea drilling record in 2012 Denman Glacier – Glacier in Queen Mary Land, Antarctica, covers the lowest point on land...

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Extremes on Earth

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lowest point on land not covered by liquid water is the canyon under Denman Glacier in Antarctica, with the bedrock being 3,500 m (11,500 ft) below sea...

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Jones Ridge

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seaward end, protruding above the lower reaches of Denman Glacier near the point where the glacier meets the coast. It was discovered by the Western Base...

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East Antarctic Ice Sheet

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However, it is still subject to adverse change, such as the retreat of Denman Glacier, or the flow of warmer ocean current into ice cavities beneath the stabilizing...

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Extreme points of Antarctica

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feet) above sea level. The lowest point in Antarctica is within the Denman Glacier, which reaches 3.5 kilometers (11,500 feet) below sea level. This is...

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Obruchev Hills

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99.767) are a group of rounded hills on the coast between Denman Glacier and Scott Glacier. The hills were plotted by the Western Base Party of the Australasian...

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Cape Harrisson

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northward of the Possession Rocks at the junction of Northcliffe Glacier and Denman Glacier. It was discovered by the Australasian Antarctic Expedition (1911–1914)...

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Mount Strathcona

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1,380 m high, rising above the continental ice on the west side of Denman Glacier, 11 miles south of Mount Barr Smith, in Antarctica. It was discovered...

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Mount Garan

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nautical miles (17 km) southwest of Mount Strathcona near the head of Denman Glacier in Antarctica. It was mapped from aerial photographs taken by U.S. Navy...

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Kennedy Peak

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Peak (Antarctica), a peak protruding above the continental ice near Denman Glacier, Antarctica Kennedy Peak (Myanmar), a peak in Chin State of Burma (Myanmar)...

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Mount Sandow

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67.367°S 100.400°E / -67.367; 100.400) is a nunatak overlooking the Denman Glacier about 11 miles southwest of Mount Amundsen in Antarctica. It was discovered...

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BedMachine Antarctica

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2019-12-13. Retrieved 2019-12-13. Jonathan Amos (December 12, 2019). "Denman Glacier: Deepest point on land found in Antarctica". BBC. Retrieved December...

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Mount Gist

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nautical miles (15 km) northwest of Mount Strathcona near the head of Denman Glacier in Antarctica. It was mapped from aerial photographs taken by U.S. Navy...

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Pobeda Ice Island

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periodically. It is created by the calving of an enormous block of ice from Denman Glacier, located in the eastern part of Shackleton Ice Shelf. The resulting...

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Mount Amundsen

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Mount Amundsen is a nunatak lying east of Denman Glacier, about 11 nautical miles (20 km) northeast of Mount Sandow. It was discovered by the Western Base...

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List of peaks named Kennedy

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(Kennedy Peak (Antarctica)) Protrudes above the continental ice near Denman Glacier Kennedy Peak (Burma) Burma Chin 23°19′03″N 93°45′42″E / 23.31750°N...

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Mount Barr Smith

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1,310 m, the northernmost in a line of peaks along the west side of Denman Glacier. Discovered in December 1912 by members of the Western Base party of...

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List of Antarctic ice streams

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Stream (Ice Stream D) Blackwall Ice Stream Byrd Glacier David Glacier Denman Glacier DeVicq Glacier Drewry Ice Stream Echelmeyer Ice Stream (Ice Stream...

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Dogs of the Australasian Antarctic Expedition

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Watson and Sandow at "The Grottoes" Zip, Amundsen and Switzerland at the Denman Glacier Watson and Zip, one of the surviving dogs The Macquarie Island party...

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Southeast Indian Ridge

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Australian west coast has a possible continuation beneath the Antarctic Denman Glacier. Archaean and Paleoproterzoic rocks in the Kalinjala Mylonite Zone of...

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