Amundsen Basin Basin formed during the Cenozoic Era from seafloor spreading. Amundsen Basin The Amundsen Basin, with depths up to 4.4 km, is the deepest abyssal plain in the Arctic Ocean. The Amundsen Basin is embraced by the Lomonosov Ridge (from to ) and the Gakkel Ridge (from to ). It is named after the polar researcher Roald Amundsen. Together with the Nansen Basin, the Amundsen Basin is often summarized as Eurasian Basin. The Russian-American cooperation Nansen and Amundsen Basin Observational System (NABOS) aims "to provide a quantitative observationally based assessment of circulation, water mass transformations, and transformation mechanisms in the Eurasian
Fridtjof Nansen mountainous region of Telemark, where a new style of skiing was being developed. "I saw this was the only way", wrote Nansen later. At school, Nansen worked adequately without showing any particular aptitude. Studies took second place to sports, or to expeditions into the forests where he would live "like Robinson Crusoe" for weeks at a time. Through such experiences Nansen developed a marked degree of self-reliance. He became an accomplished skier and a highly proficient skater. Life was disrupted when, in the summer of 1877, Adelaide Nansen died suddenly. Distressed, Baldur Nansen sold the Store Frøen property and moved