Arctic - National Geographic Society
2023年10月19日 · The Arctic is dominated by the Arctic Ocean basin, and the icy reaches of Scandinavia, Russia, the U.S. state of Alaska, Canada, and Greenland. The Arctic is the northernmost region of Earth. Most scientists define the Arctic as the area within the Arctic Circle, a line of latitude about 66.5° north of the Equator.
The Arctic Ocean—facts and information - National Geographic
2019年3月29日 · Though it's the world's smallest ocean —spanning 6.1 million square miles —the Arctic is now receiving unprecedented international attention. Scientists are racing to understand how warming...
The Arctic is melting much faster than Antarctic ... - National Geographic
2019年12月4日 · Arctic land ice—particularly the vast ice sheet atop Greenland —is thawing faster than current climate models suggest, and could raise sea levels substantially more than the 3 feet...
The Arctic is Heating Up - National Geographic
From our pursuit of the Arctic’s unique animals to our attempts to sail its icy passages to our obsessive quest to reach its desolate pole, we have found the Arctic irresistible and unyielding.
The Arctic Region - National Geographic Society
2024年1月22日 · Elicit from students that it is the northernmost region of the Earth. Open National Geographic MapMaker and search for the Arctic. Examine the region in both 2D and 3D. Make sure students understand their location in relation to the map. Ask a volunteer to identify the Arctic region, within the Arctic Circle, and then the Beaufort Sea.
North Pole - National Geographic Society
2023年10月19日 · The Arctic tern (Sterna paradisaea), which has the longest annual migration of any species on the planet, spends its spring and summer in the Arctic, though rarely as far north as the North Pole. It then flies 30,000 kilometers (18,641 miles) south, to the Antarctic Circle. The Arctic tern makes an Arctic-Antarctic round-trip migration every year.
10 facts about the Arctic | National Geographic Kids
Arctic facts. 1. The Arctic is located at the northernmost part of our planet. Scientists usually define the Arctic as the area above the ‘Arctic Circle’ — an imaginary line that circles around the top of the globe. 2. The Arctic consists of the Arctic Ocean and parts of Canada, Russia, the USA, Greenland, Norway, Finland, Sweden and Iceland.
Greenland is one of the last places on Earth to explore an ancient ...
2023年12月13日 · The villages of northwestern Greenland are one of the last remaining places to experience the remnants of ancient Arctic life. Despite modernization and imported goods, elements of the...
Arctic | Definition, Climate, People, & Facts | Britannica
2 天之前 · Arctic, northernmost region of Earth, centred on the North Pole and characterized by distinctively polar conditions of climate, plant and animal life, and other physical features. The term is derived from the Greek arktos (“bear”), referring to the northern constellation of the Bear.
Svalbard: In Search of Iconic Arctic Wildlife - Expeditions
Discover the land of the polar bears on an Arctic Svalbard cruise with Lindblad Expeditions. Learn more about the grandest wildlife experiences the planet offers.