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 detached from the whole Severnaya Zemlya group. It is also its northernmost island and is fully in the region of permanent sea ice. This island is almost entirely covered by the Schmidt Ice Cap. Owing to its exposed position, the climate in the Schmidt Island's area is much colder than in the rest of the archipelago. Schmidt Island was named after the Soviet scientist Otto Schmidt. Close to the main archipelago of Severnaya Zemlya there are a number of smaller islands and archipelagos. There are also many small coastal islands and islets in different locations, such as Krupskoy to the