TY JOUR TI Key to the Atlantic Gates of the Arctic KW Atlantic Ocean; Arctic; AMOC; climate; transport; heat fluxes; empirical orthogonal functions; EOF; principal components; indicators; GREP JO Russian Journal of Earth Sciences AU Gordeeva, S.M. AU Belonenko, T.V. AU Morozova, L.E. PY 2022 IS 22 PB Geophysical Center of the Russian Academy of Sciences