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Nearly all of Antarctica is covered by a sheet of ice that is, on average, at least 1,500 m (5,000 ft) thick. Antarctica contains 90% of the world's ice and more than 70% of its fresh water. If all the land-ice covering Antarctica were to melt — around 30 × 10 ^ 6 km 3 (7.2 × 10 ^ 6 cu mi) of ice — the seas would rise by over 60 m (200 ft ...
It is washed by the Southern (or Antarctic) Ocean or, depending on definition, the southern Pacific, Atlantic, and Indian Oceans. It has an area of more than 14.2 million km 2 . Antarctica is the largest ice desert in the world.
The Antarctic sea ice cover is highly seasonal, with very little ice in the austral summer, expanding to an area roughly equal to that of Antarctica in winter.It peaks (~18 × 10^6 km 2) during September (comparable to the surface area of Pluto), which marks the end of austral winter, and retreats to a minimum (~3 × 10^6 km 2) in February.
The warming of the Southern Ocean around Antarctica has caused the weakening or collapse of ice shelves, which float just offshore of glaciers and stabilize them. Many coastal glaciers have been losing mass and retreating, causing net-annual ice loss across Antarctica, [84]: 1264 although the East Antarctic ice sheet continues to gain ice inland.
The Southern Ocean, also known as the Antarctic Ocean, [1] [note 4] comprises the southernmost waters of the world ocean, generally taken to be south of 60° S latitude and encircling Antarctica. [5] With a size of 21,960,000 km 2 (8,480,000 sq mi), it is the second-smallest of the five principal oceanic divisions, smaller than the Pacific ...
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]
The polar regions include the Arctic Ocean and the Southern Ocean. The Arctic Ocean covers 14,000,000 km 2 (5,400,000 sq mi). [ 13 ] In the spring the ice covers an area of 5,000,000–8,000,000 km 2 (1,900,000–3,100,000 sq mi) and in the winter it is twice that.
Pages in category "Oceans surrounding Antarctica" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. A.