Fig. 3.

Signature of gravity waves observed in OI 557.7-nm images on April 21, 2009 at Kolhapur. The image at the center shows an example of wave breaking at 0105:47 hours.
Signature of gravity waves observed in OI 557.7-nm images on April 21, 2009 at Kolhapur. The image at the center shows an example of wave breaking at 0105:47 hours.