Estimates of the power spectrum and directional spectrum of oceanic surface waves were obtained from data taken during the Barbados Oceanographic and Meteorological Experiment (BOMEX). Wind speeds ranged from 5 to 10 m s-1 throughout the month's duration of the experiment....
Regier, Lloyd A., and Russ E. Davis. 1977. "Observations of the power and directional spectrum of ocean surface waves." Journal of Marine Research 35, (3). https://elischolar.library.yale.edu/journal_of_marine_research/1400