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The Antarctic ice sheet is a continental glacier covering 98% of the Antarctic continent, with an area of 14 million square kilometres (5.4 million square miles) and an average thickness of over 2 kilometres (1.2 mi).
The Wall in the Ice and Fire series was inspired by Hadrian's Wall in the North of England. The Wall is a huge structure of stone, ice, and magic [24] on the northern border of the Seven Kingdoms. [25] It is home to the Night's Watch, a brotherhood sworn to protect the realms of men from the threats beyond the Wall. [26]
Continents affect the climate of the planet drastically, with supercontinents having a larger, more prevalent influence. Continents modify global wind patterns, control ocean current paths, and have a higher albedo than the oceans. [1] Winds are redirected by mountains, and albedo differences cause shifts in onshore winds.
Antarctica, believed by flat Earthers to be the edge of the world; IceWall SSO, a Web and Federated single sign-on software; Pimpirev Ice Wall, Livingston Island, Antarctica; The Wall, a 700 foot tall structure made out of ice in the fictional world of A Song of Ice and Fire series of novels by George R. R. Martin and its adaptations
The ice dome known as Dome Argus in East Antarctica is the highest Antarctic ice feature, at 4,091 metres (13,422 ft). It is one of the world's coldest and driest places—temperatures there may reach as low as −90 °C (−130 °F), and the annual precipitation is 1–3 cm (0.39–1.18 in). [29]
The Antarctic Circle is the northernmost latitude in the Southern Hemisphere at which the centre of the sun can remain continuously above the horizon for twenty-four hours; as a result, at least once each year at any location within the Antarctic Circle the centre of the sun is visible at local midnight, and at least once the centre of the sun is below the horizon at local noon.
In a classic map of the world (with north at the top), the southern ends of the continental landmasses appear to "drip" downward. Continental drip is the observation that southward-pointing landforms are more numerous and prominent than northward-pointing landforms.
A map of West Antarctica. The total volume of the entire Antarctic ice sheet is estimated at 26.92 million km 3 (6.46 million cu mi), [2] while the WAIS contains about 2.1 million km 3 (530,000 cu mi) in ice that is above the sea level, and ~1 million km 3 (240,000 cu mi) in ice that is below it. [20]