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  2. Arctic Circle - Wikipedia

    en.wikipedia.org/wiki/Arctic_Circle

    The Arctic Circle, roughly 67° north of the Equator, defines the boundary of the Arctic waters and lands. The Arctic Circle is one of the two polar circles, and the most northerly of the five major circles of latitude as shown on maps of Earth at about 66° 34' N. [1] Its southern equivalent is the Antarctic Circle.

  3. North American Arctic - Wikipedia

    en.wikipedia.org/wiki/North_American_Arctic

    The North American Arctic is composed of the northern polar regions of Alaska (USA), Northern Canada and Greenland. [1] Major bodies of water include the Arctic Ocean, Hudson Bay, the Gulf of Alaska and North Atlantic Ocean. [2] The North American Arctic lies above the Arctic Circle. [3] It is part of the Arctic, which is the northernmost ...

  4. Arctic - Wikipedia

    en.wikipedia.org/wiki/Arctic

    The word Arctic comes from the Greek word ἀρκτικός (arktikos), "near the Bear, northern" [4] and from the word ἄρκτος (arktos), meaning bear. [5] The name refers either to the constellation known as Ursa Major, the "Great Bear", which is prominent in the northern portion of the celestial sphere, or to the constellation Ursa Minor, the "Little Bear", which contains the celestial ...

  5. The Arctic is changing. And not for the better, scientists say

    www.aol.com/arctic-changing-not-better...

    With wildfires and increased warming, scientists say the Arctic’s tundra is now a carbon source. The region had been a carbon sink for thousands of years (NOAA Climate.gov; Arctic Report)

  6. Polar regions of Earth - Wikipedia

    en.wikipedia.org/wiki/Polar_regions_of_Earth

    The Arctic has various definitions, including the region north of the Arctic Circle (currently Epoch 2010 at 66°33'44" N), or just the region north of 60° north latitude, or the region from the North Pole south to the timberline. [1] The Antarctic is usually defined simply as south of 60° south latitude, or the continent of Antarctica.

  7. The Arctic Circle saw record-high temperatures in 2020 ... - AOL

    www.aol.com/arctic-circle-saw-record-high...

    In Siberia — just north of the Arctic Circle — record temperatures led to quick snowmelt. In fact, the entire Eurasian continent saw its fourth-smallest snow cover extent in May of last year ...

  8. Climate of the Arctic - Wikipedia

    en.wikipedia.org/wiki/Climate_of_the_Arctic

    A map of the Arctic. The red line is the 10 °C isotherm in July, commonly used to define the Arctic region; also shown is the Arctic Circle. The white area shows the average minimum extent of sea ice in summer as of 1975. [1] The climate of the Arctic is characterized by long, cold winters

  9. Polar circle - Wikipedia

    en.wikipedia.org/wiki/Polar_circle

    The north polar circle on a polar projection. The polar circle as lines on a modified cylindrical projection. The Arctic Circle in Finland, 1975. The Arctic Circle in Norway at Saltfjellet mountain plateau in July 2003. A polar circle is a geographic term for a conditional circular line (arc) referring either to the Arctic Circle or the ...