Cruise 81 of the R/V Akademik Mstislav Keldysh was organized by Shirshov Institute of Oceanology and took place from August 27 to September 25, 2020 under the Program “Marine Ecosystems of the Siberian Arctic.” Participants included 76 scientists from the institutes of Russian Academy of Sciences, Moscow State University, VNIRO, and the NRC Kurchatov Institute and specialists from the Emergency Situations Ministry. Coordinated hydrophysical, hydrochemical, biooceanological, geochemical, and radioecological research was carried out over the Kara Sea, on the shelf near the St. Anna Trough, the continental slope, the Novaya Zemlya depression, and bays of the eastern coast of Novaya Zemlya. The condition of disposed radioactive waste in bays of the archipelago was assessed.

R / V Akademik Mstislav Keldysh巡洋舰81号巡洋舰是由希尔肖夫海洋研究所组织的，于2020年8月27日至9月25日在“西伯利亚北极海洋生态系统”计划下进行。参加人员包括来自俄罗斯科学院，莫斯科国立大学，VNIRO和NRC库尔恰托夫研究所的76位科学家以及来自紧急情况部的专家。在卡拉海，圣安娜槽附近的陆架，大陆坡，诺瓦亚泽姆利亚凹陷和诺瓦亚泽姆利亚东海岸的海湾上进行了水文，水化学，生物海洋学，地球化学和放射生态学的协调研究。评估了群岛海湾中处置的放射性废物的状况。