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Arctic, northernmost region of Earth, centered 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 word arktos (‘bear’), referring to the northern constellation of the Bear.
- Political and Environmental Issues
Arctic - Climate Change, Pollution, Wildlife: The eight...
- Climate
Arctic - Polar, Tundra, Climate: The climates of polar lands...
- The Economy
Arctic - Resources, Shipping, Tourism: The Arctic has been...
- The People
Arctic - Indigenous, Inuit, Sami: The Arctic, or...
- Transportation
Arctic - Shipping, Railways, Airplanes: Because the Arctic...
- Traditional Culture
Arctic - Indigenous, Wildlife, Climate: With the exception...
- Political and Environmental Issues
9 de may. de 2024 · Arctic Circle, parallel, or line of latitude around Earth, at approximately 66°30′ N. Because of Earth’s inclination of about 23 1 2 ° to the vertical, it marks the southern limit of the area within which, for one day or more each year, the sun does not set (about June 21) or rise (about December.
14 de may. de 2024 · Arctic Ocean, smallest of the world’s oceans, centering approximately on the North Pole. The Arctic Ocean and its marginal seas are the least-known basins and bodies of water in the world ocean as a result of their remoteness, hostile weather, and perennial or seasonal ice cover.
Hace 2 días · Arctic Ocean facts. The main characteristics of the Arctic Ocean are: It is the world’s smallest ocean, covering an area of about 5.4 million square miles (14 million km 2 ). It began to form 200 million years ago with the breakup of Pangea. Its flora and fauna are adapted to ice and low temperatures.
Hace 20 horas · May 31, 2024. Article. It’s not just rising air and water temperatures influencing the decades-long decline of Arctic sea ice. Clouds, aerosols, even the bumps and dips on the ice itself can play a role. To explore how these factors interact and impact sea ice melting, NASA is flying two aircraft equipped with scientific instruments over the ...
Hace 3 días · The Arctic Ocean is expected to see its first ice-free events in the near future - most likely before 2050, and potentially in the late 2020s or early 2030s. This would have no precedent in the last 700,000 years.
17 de may. de 2024 · MOSAiC (Multidisciplinary drifting Observatory for the Study of Arctic Climate) is the largest year round polar expedition to the central Arctic in history. In September 2019, the German research vessel Polarstern set sail for the central Arctic and began a coordinated and highly detailed set of observations of the Arctic climate system.
