Arctic Ocean over the Arctic Ocean (see Polar route). The Arctic Ocean occupies a roughly circular basin and covers an area of about , almost the size of Antarctica. The coastline is long. It is surrounded by the land masses of Eurasia, North America, Greenland, and by several islands. It is generally taken to include Baffin Bay, Barents Sea, Beaufort Sea, Chukchi Sea, East Siberian Sea, Greenland Sea, Hudson Bay, Hudson Strait, Kara Sea, Laptev Sea, White Sea and other tributary bodies of water. It is connected to the Pacific Ocean by the Bering Strait and to the Atlantic Ocean through the
Milky seas effect than the traditional blue or white milky seas effect seen by the rest of the world. It is not known whether this difference depends on the area, or simply a perception of a cyanic colour as being green. The phenomenon is known as "mareel" in Shetland. This term is derived from the Norn word "*mareld", which is itself derived from the Old Norse word "mǫrueldr", which is a compound of "marr" (mere, sea) and "eldr" (fire). Milky seas effect Milky seas, also called mareel, is a luminous phenomenon in the ocean in which large areas of seawater (up to )