Russian Arctic islands Russian Arctic islands The Russian Arctic islands are a number of islands groups and sole islands scattered around the Arctic Ocean. The islands are all situated within the Arctic Circle and are scattered through the marginal seas of the Arctic Ocean, namely, the Barents Sea, Kara Sea, Laptev Sea, East Siberian Sea, Chukchi Sea and Bering Sea. The area extends some from Karelia in the west to the Chukchi Peninsula in the east. The largest of the Arctic islands is Severny Island, with an area of about . It is Russia's second largest island next to Sakhalin Island, and the
Nordic Seas Sea, and Iceland Sea. The Nordic Seas only make up about 0.75% of the World’s Oceans. This region is known as having diverse features in such a small topographic area, such as the mid oceanic ridge systems. Some locations have shallow shelves, while others have deep slopes and basins. This region, because of the atmosphere-ocean transfer of energy and gases, has varying seasonal climate. During the winter, sea ice is formed in the western and northern regions of the Nordic Seas, whereas during the summer months, the majority of the region remains free of ice. Several water masses are found