Abstract
Observations from a string of 3 current meters over a 34 day period on the Chatham Rise, New Zealand reveal: (1) the strongest flow is that associated with the M2 barotropic tide and is consistent with a trapped wave rotating anticlockwise around New Zealand; (2) a lesser M2 baroclinic signal which accounts for about a quarter of the M2 tidal variance; (3) an unusually strong diurnal tide signal which is probably associated with a continental shelf wave; and (4) a mean flow with an eastward component but with meridional components, which are consistent with a model of the Subtropical Convergence, with northward flow near the surface and southward flow near the bottom.

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