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Every month a polar climate has an average temperature of less than 10 °C (50 °F). Regions with a polar climate cover more than 20% of the Earth's area. Most of these regions are far from the equator and near the poles , and in this case, winter days are extremely short and summer days are extremely long (they could last for the entirety of ...
The polar bear (Ursus maritimus) is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can interbreed.The polar bear is the largest extant species of bear and land carnivore, with adult males weighing 300–800 kg (660–1,760 lb).
For the most part, the large carnivores are the dominant species in the ecoregion, mainly the polar bear. It is the keystone species for the area due to many of its habits, including its diet and hunting strategies. In addition, the life history of the 22,000 polar bears in the Arctic clearly defines its current existence in the Arctic Cordillera.
From months of no sunlight to months of constant sunshine, lurking polar bears, and sub-zero temperatures, life at the North Pole looks like the ultimate off-grid challenge
Polar bears are believed to travel rarely beyond about 82° North, owing to the scarcity of food, though tracks have been seen in the vicinity of the North Pole, and a 2006 expedition reported sighting a polar bear just 1 mi (1.6 km) from the Pole.
The highest temperature ever recorded was 23.0 °C (73.4 °F) in July 2020 [9] and the coldest was −46.3 °C (−51.3 °F) in March 1986. The archipelago is the meeting place for cold polar air from the north and mild, wet sea air from the south.
Polar bear in Manitoba, Canada. November 2004. Polar seas is a collective term for the Arctic Ocean (about 4-5 percent of Earth's oceans) and the southern part of the Southern Ocean (south of Antarctic Convergence, about 10 percent of Earth's oceans). In the coldest years, sea ice can cover around 13 percent of the Earth's total surface at its ...
At the North Pole on the June solstice, around 21 June, the sun circles at 23.5° above the horizon. This marks noon in the Pole's year-long day; from then until the September equinox, the sun will slowly approach nearer and nearer the horizon, offering less and less solar radiation to the Pole. This period of setting sun also roughly ...