Ecosystems of the Siberian Arctic Seas–2023: (Cruise 92 of the R/V Akademik Mstislav Keldysh in the Kara Sea)

Cruise 92 of the R/V Akademik Mstislav Keldysh was organized by Shirshov Institute of Oceanology within the long-standing program “Marine Ecosystems of the Siberian Arctic” October 5–November 7, 2023. A total of 76 scientists from institutes of the Russian Academy of Sciences, National Research Center Kurchatov Institute, Moscow State University, Moscow Institute of Physics and Technology, VNIRO, and MES participated in the cruise. Coordinated hydrophysical, hydrochemical, biooceanological, and geochemical research were carried out in the eastern Kara Sea in the period of seasonal ice formation, as well as in the Ob River estuary and fjords of the Novaya Zemlya archipelago. The conditions of largest radioactive waste disposals in the Kara Sea were evaluated.