Laptev Sea major contaminant is associated with floating and sunken wood in the sea, due to decades of rafting activities. As a result, the phenol concentration in the Laptev Sea is the highest over the Arctic waters. Laptev Sea The Laptev Sea (; ) is a marginal sea of the Arctic Ocean. It is located between the northern coast of Siberia, the Taimyr Peninsula, Severnaya Zemlya and the New Siberian Islands. Its northern boundary passes from the Arctic Cape to a point with co-ordinates of 79°N and 139°E, and ends at the Anisiy Cape. The Kara Sea lies to the west, the
Severnaya Zemlya but currently there are no human inhabitants in Severnaya Zemlya except for the Prima Polar Station near Cape Baranov. The largest glacier in the Russian Federation, the Academy of Sciences Glacier, is located in Severnaya Zemlya. The archipelago is notable as well in connection with the ongoing multiyear Arctic sea ice decline. Until recently, ice joined the islands to Eurasia, even at its smallest extent during the late summer melt season, blocking the Northeast Passage between the Atlantic and the Pacific. By the late summer of 2012, however, the permanent ice had reached a record low extent and open water