Copernicus Marine Service Ocean State Report. Issue 4von Schuckmann, Karina; Le Traon, Pierre-Yves; Aaboe, Signe; Laanemäe, Kaari; Maljutenko, Ilja; Raudsepp, Urmas; Uiboupin, RivoJournal of Operational Oceanography2020 / p. S1 - S172 https://doi.org/10.1080/1755876X.2020.1785097 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS 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