2024年12月11日 · Arctic Ocean, smallest of the world’s oceans, centring approximately on the North Pole.The Arctic Ocean and its marginal seas—the Chukchi, East Siberian, Laptev, Kara, Barents, White, Greenland, and Beaufort and, according to some oceanographers, also the Bering and Norwegian—are the least-known basins and bodies of water in the world ocean as a result of their remoteness, hostile ...