Le cercle arctique traverse les pays suivants, en partant de 0° de longitude et en se dirigeant vers l'est : Globalement, les territoires situés plus au nord que le cercle arctique sont peu habités. Two of the sites only contained animal remains (no human-made tools), but some of the bones exhibited wounds or cutmarks. The position of the Arctic Circle fluctuates by about 49 ft each year due to the Earth’s axial tilt that is determined by tidal forces resulting from the … Arctic Circle, parallel, or line of latitude around the Earth, at approximately 66°30′ N. Because of the Earth’s inclination of about 23 1/2 ° to the vertical, it marks the southern limit of the area within which, for one day or more each year, the Sun does not set (about June 21) or rise (about December 21). The climate inside 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 contrast, the largest North American community north of the Arctic Circle, Sisimiut (Greenland), has approximately 5,000 inhabitants. This is the parallel of latitude that (in 2000) runs 66.56083 degrees north of the Equator. What is the Arctic Circle? The Arctic Ocean lies wholly within the Arctic Circle. It marks the northernmost point at which the centre of the noon sun is just visible on the December solstice and the southernmost point at which the centre of the midnight sun is just visible on the June solstice. It marks the southernmost latitude where the sun can stay continuously below or above the horizon for 24 hours – these phenomena are known as the Midnight Sun in the summer and the Polar Night (“Kaamos”) in … Arctic Circle: It is light 24 hours a day north of the Arctic Circle (66.5 degrees north) on the June solstice. Le cycle principal possède une période de 41 000 ans et une amplitude de 2,4619°, soit plus de 273 km à la surface. Starting at the prime meridian and heading eastwards, the Arctic Circle passes through: Northern Polar Circle Globe on Vikingen island marking the Arctic Circle in Norway, Arctic Circle marker on island of Grímsey in Iceland, Arctic Circle sign by the Inland Line railway, Sweden, Arctic Circle sign in the Republic of Karelia, Russia, Arctic Circle sign by the Yamalo-Nenets Autonomous Okrug, Russia, A sign in the Sakha Republic (Yakutia), Russia, This article is about one of the five major circles of latitude. The region north of this circle is known as the Arctic. For example, summer temperatures in Norilsk, Russia will sometimes reach as high as 30 °C (86 °F), while the winter temperatures frequently fall below −50 °C (−58 °F). Réciproquement, le Soleil reste en dessous de l'horizon pendant au moins vingt-quatre heures consécutives une autre fois dans l'année. The Arctic Circle ‘Crossing the line’ to the land of the Midnight Sun or the Northern Lights. The latitude 23° 26′ North is also known as the Tropic of Cancer. For other uses, see. The Arctic Circle is a circle of latitude that runs 66°33′45.9″ north of the Equator. The Arctic circle is defined as a single line of latitude - the current position of which is 66°33′46.3″N, which roughly translates to 66.5 degrees North of the equator. The Arctic Circle lies parallel to the Equator, and is approximately 66.5°* north of the Equator. The Antarctic Circle on the other hand, is the latitude 66° 34′ south. The latitude of the Arctic Circle is slowly drifting northward at a speed of about 15 meters per year. The Arctic Circle is about 7,700,000 square miles. The geographic … Au-delà du cercle arctique, le Soleil reste au-dessus de l'horizon pendant au moins vingt-quatre heures consécutives au moins une fois dans l'année (soleil de minuit). There are 10 cities with a population of around 30,000 or more which are north of the Arctic Circle (latitude 66° 33′ 44″N) and therefore have at least one day per year when the sun never rises.All of these cities are in Russia (mostly the northwest) or Norway. The Arctic Circle is roughly 16,000 km (9,900 mi) long. Address field - enter an address, city, state, place name, postal code or any other name for a location into this field and then click the find button to retrieve its latitude-longitude coordinate pair. In the Antarctic Circle, all places have twenty-four hours of daylight on the Summer Solstice in December. Within its imagined permitters lies pretty much the entire continent of Antarctica, the central point of this large circle is the South Pole. The Arctic Circle is the latitude 66° 34′ North. Il s'agit du parallèle de 66° 33′ 49,7″ (au 1er janvier 2020)[1] de latitude nord, la latitude la plus au sud sur laquelle il est possible d'observer le soleil de minuit dans l'hémisphère nord. Inquiring minds want to know. [1][2] The region north of this circle is known as the Arctic, and the zone just to the south is called the Northern Temperate Zone. La position du cercle arctique est déterminée par l'inclinaison de l'axe de rotation de la Terre par rapport à l'écliptique. The largest communities north of the Arctic Circle are situated in Russia, Norway and Sweden: Murmansk (population 295,374), Norilsk (178,018), Tromsø (75,638), Vorkuta (58,133), and Kiruna (22,841). This line of latitude separates the Arctic zone in the north from the Northern Temperate Zone in … The Arctic Circle is a circle of latitude that runs 66°33′45.9″ north of the Equator. The Arctic Circle is a circle of latitude that runs 66°33′45.9″ north of the Equator. LOCATED AT 66.5 degrees north latitude or 23.5 degrees southward of the North Pole, the Arctic Circle forms an imaginary line marking the northernmost location where the sun can be seen during the northern hemisphere's winter solstice (December 21). Cet angle n'est pas constant et suit des cycles de périodes diverses. Actuellement, l'inclinaison diminue d'à peu près 0,468″ par an et le cercle arctique se déplace vers le nord de 14,45 m par an. The magic latitude of 66° 33’ marks the Arctic Circle. READ MORE. There are 10 cities with a population of around 30,000 or more which are north of the Arctic Circle (latitude 66° 33′ 44″N) and therefore have at least one day per year when the sun never rises. As seen from the Arctic, the Sun is above the horizon for 24 continuous hours at least once per year (and therefore visible at midnight) and below the horizon for 24 continuous hours at least once per year (and therefore not visible at noon). The Arctic Circle is a line of latitude that circles the Earth at approximately 66° 33' 47.2" north of the Equator. All locations falling north of this latitude are said to be in the Arctic Circle. Places in both the Arctic and Antarctic circles experience the Midnight Sun and polar night. On Earth, the Arctic Circle is located at a latitude of 66°33′48.4″ N, and the Antarctic Circle is located at a latitude of 66°33′48.4″ S. Polar circles are associated with polar regions of Earth which are usually sparsely settled due to their climate environment such as Antarctica (formerly terra Australis). The position of the Arctic Circle is not fixed and currently runs 66°33′48.4″ north of the Equator. An invisible line sweeps across Sweden, Finland, Russia, Alaska, Canada, Greenland, and Iceland – a line that also splits Norway in two. projection azimutale équivalente de Lambert, https://fr.wikipedia.org/w/index.php?title=Cercle_arctique&oldid=177823458, Article contenant un appel à traduction en norvégien, Portail:Information géographique/Articles liés, licence Creative Commons attribution, partage dans les mêmes conditions, comment citer les auteurs et mentionner la licence. The Arctic is one of the Earth’s great un-spoilt wildernesses and everyone knows that at its centre is the North Pole. An imaginary line encircling the earth, This line is located at latitude 66 33′ North. The ocean, the circle, and the region take their names from the Greek word arctus,meaning "bear," a reference to the Big and Little Bear constellations that can always be seen overhead on clear nights in the polar region. Both Verkhoyansk, Siberia and Fort Yukon, Alaska are well above the latitude that defines the Arctic Circle. [4] Consequently, the Arctic Circle is currently drifting northwards (shrinking) at a speed of about 15 m (49 ft) per year. Over 2000 participants from about 60 countries attended the seventh Arctic Circle Assembly. Its latitude depends on the Earth's axial tilt, which fluctuates within a margin of more than 2° over a 41,000-year period, due to tidal forces resulting from the orbit of the Moon. High-Latitude Life. The position of the Arctic Circle is at the latitude above which the sun does not set on the summer solstice and does not rise on the winter solstice. The fluctuation of the Arctic Circle has been found to be at a rate of 2° every 40,000 years. On July 2, 2018 it was at approximately 66° 33' 47.2" north of the Equator. Latitude measures how far north (or south) something is. Antti Rinne, Prime Minister of Finland, H.E. The Antarctic Circle is one of the five major circles of latitude that mark maps of the Earth.It is the parallel of latitude at 66° 33′ 39″ south of the Equator, crossing mostly the Southern Ocean.. The Arctic Circle is a parallel or line of latitude at approximately 66°33’ N that marks the border of the Arctic, the northernmost region of Earth. Arctic Circle Latitude. Rovaniemi (62,667) in Finland is the largest settlement in the immediate vicinity of the Arctic Circle, lying 6 km (4 mi) south of the line. In June on the Winter Solstice all places have twenty-four hours of night. [3] Its latitude depends on the Earth's axial tilt, which fluctuates within a margin of more than 2° over a 41,000-year period, due to tidal forces resulting from the orbit of the Moon. How was that strange number determined? Internationally, the Arctic Circle passes through Norway, Sweden, Finland, Russia, Alaska, Canada, Greenland and Iceland. The North Pole lies about … 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 Arctic Circle is a circle of latitude encompassing the northernmost pole of the Earth and is located at approximately 66°33′45.6″ north of the Equator. Several older Arctic Circle sites have been reported, dating between 40,000 to 45,000 years old. H.E. The Arctic circle is defined as a single line of latitude - the current position of which is 66°33′46.3″N, which roughly translates to 66.5 degrees North of the equator. Rovaniemi en Finlande est située principalement au sud du cercle Arctique et possède un peu moins de 62 000 habitants. Arctic Circle. This number is the latitude of the Arctic Circle. Le cercle arctique marque la limite sud du jour polaire lors du solstice de juin et de la nuit polaire lors du solstice de décembre. NB: This refers to the true geometric centre which actually appears higher in the sky because of refraction by the atmosphere. À cause de la nutation, l'inclinaison oscille de − 1,702″ (environ 53 m à la surface) sur une période de 18,6 ans. All of these cities are in Russia (mostly the northwest) or Norway. It marks the southernmost latitude where the sun can stay continuously below or above the horizon for 24 hours. The largest such community in Canada is Inuvik in the Northwest Territories, with 3,200 people living there. The other major polar circle (other than the Arctic Circle) is the Antarctic Circle. The Arctic Circle is one of the five major circles of latitude that mark maps of the Earth. Any locations falling south of this latitude are said to be in the Antarctic Circle. The land within the Arctic Circle is divided among eight countries: Norway, Sweden, Finland, Russia, the United States (Alaska), Canada (Yukon, Northwest Territories, and Nunavut), Denmark (Greenland), and Iceland (where it passes through the small offshore island of Grímsey). [6], The Arctic Circle is the southernmost latitude in the Northern Hemisphere at which the centre 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 centre of the sun is visible at local midnight, and at least once the centre is not visible at local noon.[7]. The position of the Arctic Circle is not fixed and currently runs 66°33′48.3″ north of the Equator. The Arctic Circle is the southernmost latitude in the Northern Hemisphere at which the centre 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 centre of the sun is visible at local midnight, and at least once the centre is not visible at local noon. The Arctic Circle marks the latitude above which the sun does not set on the summer solstice, and does not rise on the winter solstice. The Arctic Circle parallel that is currently positioned at 66° 33’ 46” in the Northern Hemisphere ( or 66.5628°). It’s the angle between the equator and a point on the earth, measured from the centre of the earth. Vorkouta en Russie possède 60 000 habitants. That is true at sea level; those limits increase with elevation above sea level, although in mountainous regions there is often no direct view of the true horizon. 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