what is arctic circle and antarctic circle?
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The Antarctic Circle is the southern counterpart of the Arctic Circle, where on any given date conditions of daylight or darkness are exactly opposite.
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The subarctic zone is a region in the Northern Hemisphere immediately south of the true Arctic and covering much of Alaska, Canada, Iceland, the north of Scandinavia, Siberia, the Shetland Islands, and the Cairngorms. Generally, subarctic regions fall between 50°N and 70°N latitude, depending on local climates.
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Svalbard: The Ultimate Arctic Tourist Destination. Halfway between Norway and the North Pole lies the Svalbard archipelago, a fragile haven of pristine wilderness and untamed wildlife where polar bears roam free and a plethora of bird species adorn the rugged cliffs.
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Both the Arctic (North Pole) and the Antarctic (South Pole) are cold because they don't get any direct sunlight.
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The mainland of Iceland is just a few degrees south of the Arctic Circle. The Arctic Circle does, however, pass through Grímsey Island, which lies only 40 kilometers (25 miles) off the North coast of Iceland.
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The Greenland and Antarctic ice sheets also influence weather and climate. Large high-altitude plateaus on the ice caps alter storm tracks and create cold downslope winds close to the ice surface. In addition, the layers of ice blanketing Greenland and Antarctica contain a unique record of Earth's climate history.
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The geographic North Pole is the northern point of the Earth's axis of rotation. The North Pole is found in the Arctic Ocean, on constantly shifting pieces of sea ice. ... The North Pole sits in the middle of the Arctic Ocean, on water that is almost always covered with ice. The ice is about 2-3 meters (6-10 feet) thick.
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Winter in the hemispheres (Though not a country, Antarctica, in the Southern Hemisphere, is technically the coldest region on Earth.) So why do so many countries in the Northern Hemisphere get much colder than those in the Southern Hemisphere?
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Characteristics of polar areas include: Climate - long cold winters, with annual temperatures mostly below freezing. Polar areas are often windy, with very little precipitation. Permanent ice caps cover polar landscapes.
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Arctic Circle Rovaniemi is the capital of Lapland situated right on the Arctic Circle, which makes the town a gateway to the Arctic. Snow And Ice For many, Lapland is synonymous with snow.
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Arctic and Subarctic Regions. ... The arctic region sits inside the Arctic Circle and the subarctic region lies just below it. Earth's arctic and subarctic regions are extremely cold, icy areas of land and sea that receive almost no sunlight during their long, dark winters. Temperatures rarely rise above freezing.
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Arctic Circle Rovaniemi is the capital of Lapland situated right on the Arctic Circle, which makes the town a gateway to the Arctic. Snow And Ice For many, Lapland is synonymous with snow. In Rovaniemi, there's white stuff on the ground for approximately six months of the year.
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Polar Deserts: Exploring the Most Arid Regions in the Arctic & Antarctica. ... In fact, there are over 5,000,000 square kilometers of polar desert on Earth. And they're found in just two regions on Earth: the Arctic and Antarctica, and you may just come across one on your polar expedition.
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Cold environments include the polar and tundra biomes. They are the coldest environments on Earth. Polar regions are found at the poles. In the north, it is the sea ice that forms the Arctic, and in the south, it is the ice-capped continent of Antarctica.
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['The similarities are that they both contain a lot of ice, and it gets extremely cold. ... ', 'The North Pole has the northern light, the South Pole the southern light.', 'But the differences will tell you even more.', 'The South Pole is a continent, the North Pole a frozen sea.']
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The equator is at 0°, and the North Pole and South Pole are at 90° north and 90° south, respectively. The Equator is the longest circle of latitude and is the only circle of latitude which also is a great circle.
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Answer: The polar regions are simply the areas surrounding the poles (i.e. Arctic and Antarctic). Tundra is a cold-climate biome that can exist on land in polar regions or elsewhere.