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The climate of the Arctic is characterized by long, cold winters and short, cool summers. There is a large amount of variability in climate across the Arctic, but all regions experience extremes of solar radiation in both summer and winter. Some parts of the Arctic are covered by ice (sea ice, glacial ice, or snow) year-round, and nearly all ...
Climate change, which is a phenomenon also known as the greenhouse effect, is the warming that occurs when certain gases in the atmosphere prevent heat from escaping. [8] The North American Arctic is particularly susceptible to the effects of climate change compared to other regions. [4]
Arctic. The Arctic Circle, currently at roughly 66° north of the Equator, defines the boundary of the Arctic seas and lands. A political map showing land ownership within the Arctic region. Artificially coloured topographical map of the Arctic region. MODIS image of the Arctic. The Arctic (/ ˈɑːrtɪk / or / ˈɑːrktɪk /) [1][Note 1] is a ...
Due to climate change in the Arctic, this polar region is expected to become "profoundly different" by 2050. [1]: 2321 The speed of change is "among the highest in the world", [1]: 2321 with the rate of warming being 3-4 times faster than the global average. [2][3][4][5] This warming has already resulted in the profound Arctic sea ice decline ...
The climate north of the Arctic Circle is generally cold, but the coastal areas of Norway have a generally mild climate as a result of the Gulf Stream, which makes the ports of northern Norway and northwest Russia ice-free all year long. In the interior, summers can be quite warm, while winters are extremely cold.
The polar climate regions are characterized by a lack of warm summers but with varying winters. 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 ...
Arctic Alaska. Map of the Arctic region, Alaska is in the upper left side, the Arctic Circle is shown in blue. Arctic Alaska or Far North Alaska is a region of the U.S. state of Alaska generally referring to the northern areas on or close to the Arctic Ocean. It commonly includes North Slope Borough, Northwest Arctic Borough, Nome Census Area ...
Climate and vegetation interactions in the Arctic. Papaver radicatum (arctic poppy), a flowering plant of the Arctic tundra follows the sun around the sky during the 24-hour daylight of summer north of the Arctic Circle. Changing climate conditions are amplified in polar regions and northern high-latitude areas are projected to warm at twice ...