PROPAGATION OF WIND WAVES ON TIDES

Hendrick L. Tolman

Abstract


Effects of instationary depths and currents in tides on shelf seas on wind wave propagation are investigated using two numerical models in two academical situations representing shelf sea conditions. It is shown that changes in absolute frequency, which are induced by the instationarity of depth and current, are significant in contrast to what is usually assumed. If these changes are neglected large and unpredictable errors may occur in calculated changes of wavenumber and amplitude.

Keywords


wind waves; wave propagation; tide

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