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Chlorophilia t1_is35fnb wrote on October 12, 2022 at 11:25 PM

Reply to comment by Kandiru in Does the salinity of ocean water increase as depth increases? by rhinotomus

Yes, but geothermal vents are highly localised and have a negligible contribution to the whole-ocean heat budget. Plumes associated with hydrothermal vents are important biologically and geochemically, but not for ocean physics as a whole.