TY JOUR TI Specific Features of Internal Waves Manifestation in the Near Mouth Zone of the Danube by High-ResolutionSatellite Data KW Black Sea KW Danube KW Danube mouth KW spectral characteristics KW internal waves KW opticalimages KW satellite data KW internal wave velocities KW OLI Landsat-8 JO Russian Journal of Earth Sciences AU Medvedeva, A.V. AU Mikhailichenko, T.V. AU Stanichny, S.V. AU Bulatov, V.V. PY 2023 IS 23 PB Geophysical Center of the Russian Academy of Sciences