Investigation of High-Frequency Internal Wave Interactions with an Enveloped Inertia Wave

Figure 4

Contours of percentage changes in short wave steepness and symbols for expected turning points (green triangles), critical levels (red squares), and both (white circles).

(a) 𝑈₀=5.0 m/s

(b) 𝑈₀=8.3 m/s