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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 ...
2 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
A map of the Arctic. The red line is the 10 °C isotherm in July, commonly used to define the Arctic region; also shown is the Arctic Circle. The white area shows the average minimum extent of sea ice in summer as of 1975. The climate of the Arctic is characterized by long, cold winters
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.
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.
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...
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.
Dec 15, 2017 · The Arctic is warming twice as fast as anywhere else on Earth, which is already affecting the nearly 4 million people living in the region, the fish and wildlife they depend on for food, and their environment. The changes have ramifications far beyond the Arctic to global economies, weather, climate, sea levels, trade and national security.
The Arctic, according to Arctic Research and Policy Act of 1984, can be defined as all the lands and waters above the black line. Map Modified from Williams, D.M., and Richmond, C.L., 2021. NOAA's diverse activities in the Arctic provides science, service, and stewardship that supports people and commerce.
