The subject "Motion in the Ocean," assigned to me by President Bronk, includes fish, Aqua-lung divers and density flows. For a very good reason I must confine myself to motion of the water itself. Further, I will limit myself by considering only that part of the motion of ocean water that can be associated with surface waves. It is nearly, but not quite, the irrotational component of the motion....
Munk, Walter H.. 1955. "High frequency spectrum of ocean waves." Journal of Marine Research 14, (4). https://elischolar.library.yale.edu/journal_of_marine_research/843