How cold is the Antarctic Ocean?
Antarctic bottom water
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In the Indian Ocean the Crozet-Kerguelen Gap allows Antarctic bottom water to move toward the equator. This northward movement amounts to 2.5Sv. It takes the Antarctic Bottom Water 23 years to reach the Crozet-Kerguelen Gap.[10]  South of Africa, Antarctic bottom water flow northwards through the Agulhas Basin and then east through the Agulhas Passage and over the southern margins of the Agulhas Plateau from where it is transported to into the Mozambique Basin.[11]