Arctic Ocean deepest point is Litke Deep in the Eurasian Basin, at . The two major basins are further subdivided by ridges into the Canada Basin (between Alaska/Canada and the Alpha Ridge), Makarov Basin (between the Alpha and Lomonosov Ridges), Amundsen Basin (between Lomonosov and Gakkel ridges), and Nansen Basin (between the Gakkel Ridge and the continental shelf that includes the Franz Josef Land). In large parts of the Arctic Ocean, the top layer (about ) is of lower salinity and lower temperature than the rest. It remains relatively stable, because the salinity effect on density is bigger than the temperature effect.
Fridtjof Nansen Nansen in the Yukon region of Canada; Mount Nansen, Mount Fridtjof Nansen and Nansen Island, all in Antarctica; as well as Nansen Island in the Kara Sea and Nansen Island in Franz Josef Land; 853 Nansenia, an asteroid; and Nansen, a crater at the Moon's north pole. His Polhøgda mansion is now home to the Fridtjof Nansen Institute, an independent foundation which engages in research on environmental, energy and resource management politics. "Just a life – the story of Fridtjof Nansen" was released, a 1968 Norwegian/Soviet biographical film with Knut Wigert as Nansen. The Royal Norwegian Navy launched the first