Figure 6
From: On the generation of internal waves by river plumes in subcritical initial conditions
Vorticity and Horizontal Divergence. (a–c) Vorticity \(\zeta\) and (d–f) horizontal divergence \(div\left( V \right)\) with reference density contours superimposed as grey/black lines. The top (a,d), middle (b,e), and bottom (c,f) panels represent the same time-lapses of Fig. 3. The insets on Fig. 5b,c,f highlight the vorticity and velocity field in the head of the front (dashed boxes) and the inset on Fig. 5f shows the horizontal divergence and velocity field in the internal solitary wave’s progression ahead of the plume front (dashed box). Note that not all the velocity vectors are shown and \(w\). is increased by a factor of 5 for better picture legibility.
