TY JOUR TI Morphological and chemical features of submarine groundwater discharge zones in the south-eastern part of the Baltic Sea KW Submarine groundwater discharge KW pockmark KW Gdansk Deep KW ground water KW bottom sediments JO Russian Journal of Earth Sciences AU Krek, A.V. AU Danchenkov, A.R. AU Mikhnevich, G.S. PY 2022 IS 22 PB Geophysical Center of the Russian Academy of Sciences