Deep water The circulation of the oceans is driven by two main factors: winds and the formation of deep water («deep water» is ocean water that is more than about 1500 meters below the surface). (informath.org)
While a surge in heavy, salty water can invigorate deep water circulation, a dilution of the waters prompts a more lethargic flow. (treehugger.com)
-LSB-... * Salinity in the sea fell sharply during the Permian for the first time, changing oceanic physics to make deep water circulation more difficult. (realclimate.org)