The Arctic is also the shortest way (Great circle route) for airlines to fly between some cities on different continents. 11. Canada’s northern borders have also long been secured by the vast expanses of Arctic ice, but they may find their Arctic holdings precariously exposed if ice sheets become non-existent. The average temperature in the winter can be as low as â40 °C (â40 °F). During the summer, parts of the Arctic Circle are never âhiddenâ from the sun for the whole 24 hours it takes for the Earth to spin on its axis. Leatherback Sea Turtle Facts, Pictures, Video and Information. The Arctic Circle doesnât have a fixed position, and is currently moving northwards at around 15 m (49 ft.) each year! [6], The Arctic Circle is the southernmost latitude in the Northern Hemisphere at which the center of the sun can remain continuously above or below the horizon for twenty-four hours; as a result, at least once each year at any location within the Arctic Circle the center of the sun is visible at local midnight, and at least once the center is not visible at local noon.[7]. Large areas of land inside the Arctic Circle are tundra. Its centre, the North Pole, rests over the Arctic ocean, which until recently has been covered by relatively stable, year-round sea ice. Using the ânorth of the Arctic Circleâ definition, the Arctic has an area of around 20 million km² (7.7 million square miles). This circle runs parallel to the Equator. Click the picture above for more details & to view free sample pages! 66º33′ are the northern and southern latitudinal lines of the Arctic Circle (66º33′ N) and Antarctic Circle (66º33′ S), respectively. Arctic plants are an important source of food for the region’s wildlife. Tundra is a harsh, treeless environment in which the soil is permanently frozen. Soil that remains at temperatures below the freezing point of water for longer than two years (such as that found in the Arctic) is known as âpermafrostâ. In fact, due to variances in the earthâs axial tilt*, the Arctic Circle is currently migrating slowly northwards about 15 m (49 ft.) every year. If the ice melts, then sea levels around the world will rise. Itâs the angle between the equator and a point on the earth, measured from the centre of the earth. * As the earth revolves around the sun (to give us years), it is itself spinning (to give us days and nights). Project 6633 is the first global initiative aimed specifically at advancing defense community discussions on security […] This number is the latitude of the Arctic Circle. The Arctic gets its name from a Greek word meaning ‘near the bear’. They have a thick layer of fat, which acts both as insulation and as a food store. Other definitions have been created by governments and organizations to include various geographical features and boundaries. Learn more. It spends most of its life on the sea ice in search of seals, its favourite food. The word arctic comes from the Greek word ἀρκτικός (arktikos: "near the Bear, northern")[5] and that from the word ἄρκτος (arktos: "bear"). The Arctic Fox has short ears and a short, round body with a thick coat to minimize the amount of skin exposed to the frigid air. The Major Rivers Of Africa: List With Maps, Pictures & Amazing Facts, Blue Wildebeest Migration Facts – Discover The World’s Largest Land Migration, Dog Facts For Kids (And Adults). [9] The area north of the Circle is about 20,000,000 km2 (7,700,000 sq mi) and covers roughly 4% of Earth's surface.[10]. We'll Beat Any Competitor Price by … Polar barrens and tundra are found at high latitudes on land surfaces not covered by perpetual ice and snow. 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. The term Slavey was a Cree word meaning captive or, as a missionary Father Petitot indicated, timidity.
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