Arctic Ocean gas reserves, and the Chukchi shelf forms the border between Russian and the United States as stated in the USSR–USA Maritime Boundary Agreement. The whole area is subject to international territorial claims. An underwater ridge, the Lomonosov Ridge, divides the deep sea North Polar Basin into two oceanic basins: the Eurasian Basin, which is between deep, and the Amerasian Basin (sometimes called the North American, or Hyperborean Basin), which is about deep. The bathymetry of the ocean bottom is marked by fault block ridges, abyssal plains, ocean deeps, and basins. The average depth of the Arctic Ocean is . The
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