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