Abstract
REGULAR monitoring of ocean gravity waves just north of Cape Town reveals the predominant frequency range as 0.07–0.10 Hz. These waves generally exhibit narrow swell type energy spectra but nonetheless have a small range of frequencies present. The case history described here is interesting because of the low frequency (0.05 Hz) and because it is monochromatic.
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References
Moskowitz, L., J. geophys. Res., 69, 24 (1964).
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HARRIS, T., MARSHALL, J. & SHILLINGTON, F. Quasi-monochromatic 0.05 Hz Waves in Cape Waters. Nature 244, 154 (1973). https://doi.org/10.1038/244154a0
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DOI: https://doi.org/10.1038/244154a0
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