Deep Western Boundary Current in the Eastern Indian Ocean

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Science  01 Apr 1977:
Vol. 196, Issue 4285, pp. 53-54
DOI: 10.1126/science.196.4285.53


Historical temperature data suggest that the deep circulation of the eastern Indian Ocean is a system separate from that in the west, with its water being supplied directly from the south. If so, then circulation theory would require that the northward flow take the form of a narrow western boundary current along the Ninetyeast Ridge. Recent observations demonstrate, the existence of this current, and indicate a volume transport for it of about 4 x 106 cubic meters per second.