Adequate information is not available about this ocean located on the North Pole because most of its part remains covered with snow for most of the year. Its place of submergence is very wide. Many islands are found on this ocean, in which Barents, Hope, Spitsbergen, Novaya, etc. are the major ones. In the seas found in this ocean, the Norway Sea, Laptev Sea, East Siberian Sea and Greenland Sea are the major ones. Many sub-merged ridges are found here.