One area of interest is development of dispersive waves in shallow water. The first figure below is a simulated shot record, data(t,x). The second figure is it's time Fourier transform, data(f,x) showing a lovely pattern. To those versed in the art, the curved features in the (f,x) plot indicate dispersive wave modes. Pretty enough to frame.
Fig 1. Synthetic (t,x) shot record generated by SU code sufctanismod
Fig 2. The lovely Fourier transform (f,x) amplitude of the data in Fig 1.