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Fig. 4 | Progress in Earth and Planetary Science

Fig. 4

From: Wind-driven decadal sea surface height and main pycnocline depth changes in the western subarctic North Pacific

Fig. 4

a Vertical profile of the potential density, σθ, in kg m−3 averaged along the WOCE P01 line (47 N) from 160 E to 170 E. b Vertical eigenfunctions of the barotropic mode (black line), and the first (red line), second (blue line), third (green line), and fourth (gray line) baroclinic vertical modes of the potential density profile. The vertical thin solid line indicates zero

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