TY JOUR TI Distribution of Dissolved Oxygen and Nutrients in Abyssal Waters Flowing into the Brazil Basin, Southwest Atlantic KW Vema Channel KW abyssal waters KW dissolved oxygen KW silicate KW phosphate KW nitrate JO Russian Journal of Earth Sciences AU Seliverstova, A.M. AU Zuev, O.A. AU Frey, D.I. AU Krechik, V.A. AU Morozov, E.G. PY 2025 IS 24 PB Geophysical Center of the Russian Academy of Sciences