Identification of mixing hotspots on the abyssal rough bottom using a microstructure profiler and their incorporation into global thermohaline circulation models

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By deploying a microstructure profiler over the Izu-Ogasawara Ridge and the Emperor Seamounts, we have succeeded, for the first time in Japan, in identifying mixing hotspots on the abyssal rough bottom. We have also found that these mixing hotspots can be best quantified in terms of Gregg-Heyney-Polzin (GHP) parameterization. Finally, abyssal mixing hotpots in the world's oceans quantified using GHP parameterization have been embedded into the ocean general circulation model to obtain the most accurate pattern of global thermohaline circulation.