<P> The Antarctic bottom water (AABW) is a type of water mass in the Southern Ocean surrounding Antarctica with temperatures ranging from − 0.8 to 2 ° C (35 ° F), salinities from 34.6 to 34.7 psu . Being the densest water mass of the oceans, AABW is found to occupy the depth range below 4000 m of all ocean basins that have a connection to the Southern Ocean at that level . The major significance of Antarctic bottom water is that it is the coldest bottom water, giving it a significant influence on the movement of the world's oceans . Antarctic bottom water also has a high oxygen content relative to the rest of the oceans' deep waters . This is due to the oxidation of deteriorating organic content in the rest of the deep oceans . Antarctic bottom water has thus been considered the ventilation of the deep ocean . </P> <P> Antarctic bottom water is created in part due to the major overturning of ocean water . </P>

What is unique about the water near antarctica
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