863792.fig.008a
(a) Enveloped inertia wave
863792.fig.008b
(b) Infinite inertia wavetrain
Figure 8: Possibility of turning points (green triangles), critical levels (red squares), or both (blue circles) due to short wave propagation through an enveloped inertia wave (a) and an infinite inertia wavetrain (b) with a maximum horizontal velocity of 5 m/s.