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 scarce due to the harsh climate. The summer plankton bloom is short but intense, producing 5 million tonnes of plankton in August and September, whereas the annual production is 7 million tonnes. The nutrients in water are mostly provided by river discharges and coastal erosion. The plankton species are dominated by the Pacific species of copepods. The sea shores and icefields host ringed seals ("Phoca hispida"), bearded seals ("Erignathus barbatus") and walruses ("Odobenus rosmarus") along with their predator, polar bear ("Ursus maritimus"). Birds include seagulls, uria and cormorants. Sea waters are often visited by bowhead whale ("Balaena mysticetus"), gray whale