Record high heat content and low ice extent in the Baltic Sea during winter 2019/20Raudsepp, Urmas; Maljutenko, Ilja; Haapala, Jari; Männik, Aarne; Verjovkina, Svetlana; Uiboupin, Rivo; von Schuckmann, Karina; Mayer, MichaelJournal of operational oceanography2022 / p. 175-185 : ill. https://doi.org/10.1080/1755876X.2022.2095169