TY JOUR TI Physical and chemical properties of seawater over the slopes of the northern part of the Mid-Atlantic Ridge KW Mid Atlantic Ridge KW abyssal fracture zones KW Antarctic Bottom Water KW seawater properties KW distribution of nutrients JO Russian Journal of Earth Sciences AU Morozov, E.G. AU Kolokolova, A.V. PY 2015 IS 15 PB Geophysical Center of the Russian Academy of Sciences