Arctic Circle: It is light 24 hours a day north of the Arctic Circle (66.5 degrees north) on the June solstice. 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. 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. All locations falling north of this latitude are said to be in the Arctic Circle. The Arctic Circle is about 7,700,000 square miles. The fluctuation of the Arctic Circle has been found to be at a rate of 2° every 40,000 years. 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. The Arctic Circle is a circle of latitude that runs 66°33′45.9″ north of the Equator. Places in both the Arctic and Antarctic circles experience the Midnight Sun and polar night. [8] For other uses, see. At the North Pole, the sun rises once each year and sets once each year: there are six months of continuous daylight and six months of continuous night. In the United States, Utqiagvik, Alaska is the largest settlement north of the Arctic Circle with about 4,000 inhabitants. It’s the angle between the equator and a point on the earth, measured from the centre of the earth. [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. The region north of the Arctic Circle … The climate within the Circle is very cold and much of the area is always covered with ice. À cause de la nutation, l'inclinaison oscille de − 1,702″ (environ 53 m à la surface) sur une période de 18,6 ans. 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). Only four million people live north of the Arctic Circle due to the climate; nonetheless, some areas have been settled for thousands of years by indigenous peoples, who today make up 10% of the region's population. 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. In the Antarctic Circle, all places have twenty-four hours of daylight on the Summer Solstice in December. In the Arctic Circle, the sun does not set on summer solstice (June 20 or 21) and is does not rise on winter solstice (December 21 or 22). Everything north of the Arctic Circle is properly known as the Arctic while the zone just to the south of the circle is the Northern Temperate Zone. Rick Perry, United States Secretary of Energy made keynote addresses in the Assembly's opening session. Antti Rinne, Prime Minister of Finland, H.E. Inquiring minds want to know. It’s the southernmost major circle of latitude. Two of the sites only contained animal remains (no human-made tools), but some of the bones exhibited wounds or cutmarks. Arctic Circle Latitude. La dernière modification de cette page a été faite le 19 décembre 2020 à 22:40. The Arctic is one of the Earth’s great un-spoilt wildernesses and everyone knows that at its centre is the North Pole. Tropic of Cancer: On the June Solstice the sun is directly overhead the Tropic of Cancer (23.5 degrees north latitude) at noon. The latitude of the Arctic Circle is slowly drifting northward at a speed of about 15 meters per year. Les plus grandes villes, d'après les données de 2015, sont Mourmansk (305 000 habitants), Norilsk (176 000 habitants) et Tromsø (72 000 habitants), respectivement en Russie et en Norvège. The Arctic Circle is roughly 16,000 km (9,900 mi) long. Arctic Circle. This is also true in the Antarctic region, south of the equivalent Antarctic Circle. 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). This drift has nothing to do with climate change. The Arctic Circle parallel that is currently positioned at 66° 33’ 46” in the Northern Hemisphere ( or 66.5628°). READ MORE. [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. 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