Lincoln Sea Lincoln Sea Lincoln Sea (; ) is a body of water in the Arctic Ocean, stretching from Cape Columbia, Canada, in the west to Cape Morris Jesup, Greenland, in the east. The northern limit is defined as the great circle line between those two headlands. It is covered with sea ice throughout the year, the thickest sea ice in the Arctic Ocean, which can be up to thick. Water depths range from to . Water and ice from Lincoln Sea empty into Robeson Channel, the northernmost part of Nares Strait, most of the time. The sea was named after Robert
East Siberian Sea southwest to northeast, covered in a mixture of silt, sand and stones and lacking significant depressions and elevations. About 70% of the sea is shallower than 50 m, with predominant depths of 20–25 m. North-east to the mouth of the Kolyma and Indigirka rivers, there are deep trenches on the seabed, which are attributed to the ancient river valleys, now submerged by the sea. The region of small depths in the western part forms the Novosibirsk shoal. The greatest depths of about 150 m are found in the north-eastern part of the sea. The climate is polar and is influenced