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Land within the Arctic region has seasonally varying snow and ice cover, with predominantly treeless permafrost under the tundra. Arctic seas contain seasonal sea ice in many places. The Arctic region is a unique area among Earth's ecosystems. The cultures in the region and the Arctic indigenous peoples have adapted to its cold and extreme ...
3 days ago · 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.
Oct 19, 2023 · 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. Within this circle are the Arctic ocean basin and the northern parts of Scandinavia, Russia, Canada, Greenland, and the U.S
Mar 29, 2019 · The Arctic Ocean is Earth's northernmost body of water. It encircles the Arctic, and flows beneath it. Most of the Arctic Ocean is covered by ice throughout the year—although that is starting...
Jan 29, 2020 · By. Amanda Briney. Updated on January 29, 2020. The Arctic is the Earth region that lies between 66.5°N and the North Pole. In addition to being defined as 66.5°N of the equator, the specific border of the Arctic region is defined as the area in which average July temperatures follow the 50 F (10 C) isotherm.
NOAA's diverse activities in the Arctic provides science, service, and stewardship that supports people and commerce. During the past thirty years, the Arctic environment has undergone profound and unprecedented changes.
The Arctic is a frozen ocean surrounded by land that has been covered in ice year-round for the last 5,500 years. Its diverse landscapes—from sea ice to coastal wetlands, tundra, mountains, wide rivers and the sea itself—support abundant wildlife, including emblematic species like the polar bear, bowhead whale and narwhal.
Consisting of deep ocean covered by drifting pack ice and surrounded by continents and archipelagos around the Earth's North Pole, the Arctic is the planet's largest and least fragmented inhabited region.
Mar 5, 2019 · Like a thermostat for our planet, the Arctic helps to stabilize global climate and regulate temperatures worldwide. What happens in the Arctic doesn't stay in the Arctic, and changes in the Arctic's seemingly harsh, but inherently fragile environment have a profound global reach.
Polar bear, Arctic wolf, Arctic fox, Pacific salmon, Seals. The Arctic is a region like no other in the world and it’s warming twice as fast, bringing with it rapid change impacting life on land and at sea. About 4 million people live in the Arctic, spread out over eight countries, including the United States.
