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 greatest test of its credibility. He was a signatory to the Slavery Convention of 25 September 1926, which sought to outlaw the use of forced labour. He supported a settlement of the post-war reparations issue and championed Germany's membership of the League, which was granted in September 1926 after intensive preparatory work by Nansen. On 17 January 1919 Nansen married Sigrun Munthe, a long-time friend with whom he had had a love affair in 1905, while Eva was still alive. The marriage was resented by the Nansen children, and proved unhappy; an acquaintance writing of them in the 1920s said