Kara Sea Novaya Zemlya are also registered as a sanctuary, the Russian Arctic National Park. Kara Sea The Kara Sea (, "Karskoye more") is part of the Arctic Ocean north of Siberia. It is separated from the Barents Sea to the west by the Kara Strait and Novaya Zemlya, and the Laptev Sea to the east by the Severnaya Zemlya archipelago. It is named after the Kara River (flowing into Baydaratskaya Bay), which is now relatively insignificant but which played an important role in the Russian conquest of northern Siberia. The Kara River name is derived from Nenets word meaning "hummocked ice".
Ocean area and volume – are defined in part by the continents, various archipelagos, and other criteria. Oceans are fringed by smaller, adjoining bodies of water such as seas, gulfs, bays, bights, and straits. The mid-ocean ridges of the world are connected and form a single global mid-oceanic ridge system that is part of every ocean and the longest mountain range in the world. The continuous mountain range is long (several times longer than the Andes, the longest continental mountain range). The total mass of the hydrosphere is about 1.4 quintillion metric tons ( long tons or short tons), which is