TY JOUR TI Properties of Short-Period Internal Waves in the Central Part of the Southern Ocean Indo-Oceanic Sector Based on Sentinel-1 Satellite Data KW Short-period internal waves KW tidal currents KW geostrophic currents KW ice shelves KW marginal ice zone KW spaceborne synthetic aperture radars KW Sentinel-1 KW Prydz Bay KW Antarctic Circumpolar Current KW Cooperation Sea KW Southern Ocean JO Russian Journal of Earth Sciences AU Bakueva, Y.I. AU Kozlov, I.E. AU Medvedev, I.P. PY 2026 IS 26 PB Geophysical Center of the Russian Academy of Sciences