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机译:Highly bioavailable dust-borne iron delivered to the Southern Ocean during glacial periods
Columbia Univ, Lamont Doherty Geol Observ, Palisades, NY 10964 USA;
Alfred Wegener Inst, Helmholtz Ctr Polar & Marine Res, D-27570 Bremerhaven, Germany;
iron speciation; Southern; Ocean iron bioavailability; dust; productivity;