%0 Journal Article %T Data analysis for variational assimilation of the surface temperature of the Black and Azov Seas %A Zakharova, N.B. %A Parmuzin, E.I. %K Data analysis; observation data; data errors; variational assimilation; sea surface temperature; optimality system. %J Russian Journal of Earth Sciences %D 2022 %N 21 %P 7 %I Geophysical Center of the Russian Academy of Sciences