TY JOUR TI Spatial Variability of the Hydrochemical Structure in Bottom Gravity Current in the Vema Fracture Zone KW bottom gravity current KW dissolved oxygen KW silicate KW hydraulic jump KW Antarctic Bottom Water KW Vema Fracture Zone JO Russian Journal of Earth Sciences AU Zuev, O.A. AU Seliverstova, A.M. PY 2024 IS 24 PB Geophysical Center of the Russian Academy of Sciences