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Weddell Polynya. Coordinates: 75°S 45°W. The Weddell Polynya, or Weddell Sea Polynya, is a polynya, or irregular area of open water surrounded by sea ice, in the Weddell Sea of the Southern Ocean off Antarctica and near the Maud Rise. [1] [2] The formation of the polynya exposes relatively warmer ocean waters (at surface freezing temperatures ...
Thwaites Glacier is an unusually broad and vast Antarctic glacier located east of Mount Murphy, on the Walgreen Coast of Marie Byrd Land. It was initially sighted by polar researchers in 1940, mapped in 1959–1966 and officially named in 1967, after the late American glaciologist Fredrik T. Thwaites. [ 1][ 3] The glacier flows into Pine Island ...
Halley Research Station is a research facility in Antarctica on the Brunt Ice Shelf operated by the British Antarctic Survey (BAS). The base was established in 1956 to study the Earth's atmosphere. Measurements from Halley led to the discovery of the ozone hole in 1985. [ 3]
With last year’s undersea volcano injecting massive amounts of water high into the atmosphere, scientists were bracing for a big Antarctica ozone hole this fall. Instead this year’s ozone hole ...
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The Ross Ice Shelf is one of many such shelves. It reaches into Antarctica from the north, and covers an area of about 520,000 km 2 (200,000 sq mi), nearly the size of France. [ 2][ 3] The ice mass is about 800 km (500 mi) wide and 970 km (600 mi) long. In some places, namely its southern areas, the ice shelf can be almost 750 m (2,450 ft) thick.
The hole in Earth's ozone over Antarctica is the smallest we've seen since 1988 — but don't get too excited.
The Amery Basin ( 68°15′S 74°30′E) is an undersea basin north of the Amery Ice Shelf. The Chinese Antarctic Zhongshan Station and Russian Progress Station are located near this ice shelf. The Amery Ice Shelf is the third largest ice shelf in Antarctica, after the Ross Ice Shelf and the Filchner-Ronne Ice Shelf .