Fig. 2From: Subinertial frequency variations in the axis of the Tsugaru Warm Current east of the Tsugaru StraitVertical transect of seasonal means of temperature (color), salinity (gray contours), and potential density anomaly, σθ (black contours), obtained from the shipboard observations along the Shiriya–Esan line (estimated from the JCOPE-T DA data) in a (e) winter, b (f) spring, c (g) summer, and d (h) autumn, shown in the left (right) column. Triangles shown in the left column are the latitude of each station. The dashed magenta line is the depth of the upper layer, H1Back to article page