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Polar meteorology is the study of the atmosphere of Earth's polar regions. Surface temperature inversion is typical of polar environments and leads to the katabatic wind phenomenon. The vertical temperature structure of polar environments tends to be more complex than in mid-latitude or tropical climates.
The Arctic Basin has snow 320 days out of the year while the Arctic Seas have snow cover 260 days a year. [8] The thickness of the snow averages 30–40 cm (12–16 in). [ 8 ] In Greenland , temperatures have an average temperature of −40 °C (−40 °F) in the winter and in the summer the temperatures reach −12 °C (10 °F).
A snowy landscape of Inari located in Lapland A polar bear with cub. On Earth, the only continent where the ice cap polar climate is predominant is Antarctica. All but a few isolated coastal areas on the island of Greenland also have the ice cap climate. Summits of many high mountains also have ice cap climate due to their high elevation.
Polar and alpine climates has every month of the year with an average temperature below 10 °C (50 °F). [9] [11] ET = Tundra climate; average temperature of warmest month between 0 °C (32 °F) and 10 °C (50 °F). [9] [11] EF = Ice cap climate; eternal winter, with all 12 months of the year with average temperatures below 0 °C (32 °F). [9] [11]
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 maximum, but out of phase in the two hemispheres.
A couple in Australia have been accused of faking their 6-year-old son's cancer diagnosis. On Friday, Dec. 13, the woman and man, both 44, appeared at Port Adelaide Magistrates Court, ...
The females usually have only one baby per year, although they sometimes give birth to twins. Newborns stick close to their moms for the first few months and are fully weaned around six months old.
Polar regions receive less intense solar radiation than the other parts of Earth because the Sun's energy arrives at an oblique angle, spreading over a larger area, being less concentrated, and also travels a longer distance through the Earth's atmosphere in which it may be absorbed, scattered or reflected, which is the same thing that causes ...