A RE-ANALYSIS OF THE SPECTRA OBSERVED IN JONSWAP | Zendy

J.A. Battjes | Zendy; T.J. Zitman | Zendy; L.H. Holthuijsen | Zendy

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A RE-ANALYSIS OF THE SPECTRA OBSERVED IN JONSWAP

Author(s) -

J.A. Battjes,

T.J. Zitman,

L.H. Holthuijsen

Publication year - 1986

Publication title -

coastal engineering proceedings

Language(s) - English

Resource type - Journals

eISSN - 2156-1028

pISSN - 0589-087X

DOI - 10.9753/icce.v20.2

Subject(s) - uncorrelated , spectral line , physics , spectrum (functional analysis) , statistical physics , constant (computer programming) , mathematics , computer science , statistics , quantum mechanics , programming language

The frequency spectra of wind-driven waves observed during JONSWAP are re-analyzed to establish whether the Toba formulation for the highfrequency tail (~f ) fits the data better than the Phillips formulation (~f_ ) used originally in the JONSWAP project. The results indicate that the f-,*-tail provides a better fit to the observed spectra. The proportionality factor in Toba's spectrum, which is theoretically expected to be a universal constant, is found to be uncorrelated with the growth stage of the waves.

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