Returns wave age, the ratio of phase speed and friction velocity or wind speed, depending on the caller's definition of wave age.
Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
real(kind=realkind), | intent(in) | :: | cp | Phase speed [m/s] |
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real(kind=realkind), | intent(in) | :: | u | Friction velocity or wind speed [m/s] |