Abstract
English
Highlights
The Kuroshio, the western boundary current (WBC) of the North Pacific, originates at the bifurcation of the North Equatorial Current (NEC) as it encounters the Philippine coast
Two possible mechanisms are responsible for the dual-core phenomenon
The streamline diffluence across the strait during the Kuroshio’s westward intrusions and subsequent shaping of the boundary current through interaction with a quasi-permanent anticyclonic recirculation east of Taiwan favors the appearance of the offshore velocity maximum
Summary
The Kuroshio, the western boundary current (WBC) of the North Pacific, originates at the bifurcation of the North Equatorial Current (NEC) as it encounters the Philippine coast. MEAN FLOW PATTERN Time-averaged vdac (averaged over the two-year period of Seaglider sampling; Figure 1a) are relatively strong adjacent to the coast in the N1, N2, S1, and S2 sections, generally within but slightly broader than the climatological width of the Kuroshio (defined by meridional velocity v ≥ 0.2 m s–1 at 30 m depth from the historical Sb-ADCP data set; Jan et al, 2015).
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