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The Drake Passage is the body of water between South America's Cape Horn, Chile, Argentina, and the South Shetland Islands of Antarctica. It connects the southwestern part of the Atlantic Ocean with the southeastern part of the Pacific Ocean and extends into the Southern Ocean.
The Antarctic gateway cities are five cities on the rim of the Southern Ocean through which nearly all cargo and personnel bound for Antarctica pass. [1] From west to east, they are Punta Arenas, Chile; Ushuaia, Argentina; Cape Town, South Africa; Hobart, Australia; and Christchurch, New Zealand. As Antarctica is a low-resource environment with ...
The north–south motion of Antarctica relative to Africa and South America before anomaly 28 changed to a slow east–west clockwise motion around 60 Ma, an abrupt change coincident with change in triple junction configuration. [6] During the Late Paleocene–Early Eocene Antarctica and South America separated at a rate of only 0.3 cm/yr.
In addition to being an administrative center, it is a light industrial port and tourist destination. Ushuaia is located roughly 1,100 kilometres (680 mi) from the Antarctic Peninsula and is one of five internationally recognized Antarctic gateway cities; it is the only South American city with that status besides Chile's Punta Arenas.
Argentine Antarctica (Spanish: Antártida Argentina or Sector Antártico Argentino) [4] is an area on Antarctica claimed by Argentina as part of its national territory.It consists of the Antarctic Peninsula and a triangular section extending to the South Pole, delimited by the 25° West and 74° West meridians and the 60° South parallel. [5]
The Drake Passage opened between Antarctica and South America around 30 Ma, resulting in the creation of the Antarctic Circumpolar Current that completely isolated the continent. [54] Models of Antarctic geography suggest that this current, as well as a feedback loop caused by lowering CO 2 levels, caused the creation of small yet permanent ...
Its west coast from the tip of the Antarctic Peninsula south to 68° S, which has a maritime Antarctic climate, is the mildest part of the Antarctic Peninsula. Within this part of the Antarctic Peninsula, temperatures exceed 0 °C (32 °F) for 3 or 4 months during the summer, and rarely fall below −10 °C (14 °F) during the winter.
Map of the Antarctic Peninsula, with the Antarctandes Range in Graham Land & Palmer Land regions. The Antarctandes (Antartandes in Spanish), also known as the Antarctic Peninsula cordillera, [1] is the mountain range that is located on the northern Antarctic Peninsula, in the Graham Land and Palmer Land regions of Antarctica and may also be considered to extend across the continent.
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