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A speculative representation of Antarctica labelled as ' Terra Australis Incognita ' on Jan Janssonius's Zeekaart van het Zuidpoolgebied (1657), Het Scheepvaartmuseum The name given to the continent originates from the word antarctic, which comes from Middle French antartique or antarctique ('opposite to the Arctic') and, in turn, the Latin antarcticus ('opposite to the north').
The colder, stabler East Antarctica had been experiencing cooling until the 2000s. [22] [23] Around Antarctica, the Southern Ocean has absorbed more oceanic heat than any other ocean, [24] and has seen strong warming at depths below 2,000 m (6,600 ft). [25]: 1230 Around the West Antarctic, the ocean has warmed by 1 °C (1.8 °F) since 1955. [21]
[3] [1] Smith interpreted this as referring to the ice floes and icebergs in the Southern Ocean, due to the ice floes being similar to arrowroot powder (referring to Tacca leontopetaloides, Polynesian arrowroot). [1] This has led others to conclude that Ui-te-Rangiora was the first person to discover Antarctica. [1] [4]
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Scientists from the British Antarctic Survey found that warm ocean water is seeping beneath the ice sheet at its “grounding line” — the point at which the ice rises from the seabed and ...
The history of Antarctica emerges from early Western theories of a vast continent, known as Terra Australis, believed to exist in the far south of the globe. The term Antarctic , referring to the opposite of the Arctic Circle , was coined by Marinus of Tyre in the 2nd century AD.
John Biscoe (28 April 1794 – 1843) was an English mariner and explorer who commanded the first expedition known to have sighted the areas named Enderby Land and Graham Land along the coast of Antarctica. The expedition also found a number of islands in the vicinity of Graham Land, including the Biscoe Islands that were named after him.
Parts of icy Antarctica are turning green with plant life as the region is gripped by extreme heat events, new research shows, sparking concerns about the changing landscape on this vast continent.