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 USSR some features of the geography of Severnaya Zemlya that had been previously named in solidarity with German Communism saw their names altered to Russian or neutral-sounding names – e.g. Cape Unslicht becoming "Mys Peschanyy" and "Proliv Yungshturm" Yuny Strait. During the Cold War, the islands of Severnaya Zemlya continued to be studied by a team of geologists from NIIGA (the Scientific Research Institute of Arctic Geology) in St. Petersburg. Between 1948 and 1954 a comprehensive geological map was compiled under B. Kh. Egiazarov. Also more accurate maps were drawn by means of cartographic data gathered from aerial photography surveys.