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A polar ice cap or polar cap is a high-latitude region of a planet, dwarf planet, or natural satellite that is covered in ice. [ 1 ] There are no requirements with respect to size or composition for a body of ice to be termed a polar ice cap, nor any geological requirement for it to be over land, but only that it must be a body of solid phase ...
Visualization of the ice and snow covering Earth's northern and southern polar regions Northern Hemisphere permafrost (permanently frozen ground) in purple. The polar regions, also called the frigid zones or polar zones, of Earth are Earth's polar ice caps, the regions of the planet that surround its geographical poles (the North and South Poles), lying within the polar circles.
Some parts of the Arctic are covered by ice (sea ice, glacial ice, or snow) year-round, especially at the most poleward parts; and nearly all parts of the Arctic experience long periods with some form of ice or snow on the surface. Average January temperatures range from about −40 to 0 °C (−40 to 32 °F), and winter temperatures can drop ...
Chasma Boreale is a large canyon in Mars's north polar ice cap in the Mare Boreum quadrangle of Mars at 83° north latitude and 47.1° west longitude. It is about 560 km (350 mi) long and was named after a classical albedo feature name. [ 1 ]
An ice cap climate is a polar climate where no mean monthly temperature exceeds 0 °C (32 °F). The climate generally covers areas at high altitudes and polar regions (60–90° north and south latitude), such as Antarctica and some of the northernmost islands of Canada and Russia .
Under the Ice is a submarine warfare video game for the Atari ST and IBM PC compatibles running GEM. It simulates one of three battles between NATO and Soviet submarines in the area around Iceland. A key element of the game was an accurate simulation of the performance of sonar, the various classes of submarines, and their weapons.
The Schmidt Ice Cap is an Arctic ice cap very near the limit of permanent sea ice, so as to be indistinguishable from the sea in winter, spring, and late fall. It covers almost all (~75-85%) of Schmidt Island , a Russian Arctic island above the 80th parallel north .
The Quelccaya ice cap [a] extends up to 17 kilometres (11 mi) from the north to south and between 3 and 5 kilometres (1.9 and 3.1 mi) from east to west. [28] Quelccaya is a low-elevation ice cap that rises above the surrounding terrain; [13] [34] the ice cap lies at 5,200–5,700 metres (17,100–18,700 ft) elevation. [35]