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Wave grouping and sequential correlation, field studies in Italian coastal areas
AbstractExisting theories about wave grouping are compared; Kimura's theory is shown to fit experimental statistics closest. The statistics derived from records taken at five sites of the ENEL wave measuring network are compared favorably with the corresponding values predicted by Kimura's theory. The discrepancy ratios are greater for greater depth sites and for low threshold values. They are however limited: the mean group length discrepancy is about 5% on the average, and less than 17% for the worst class. The divergence from Kimura theoretical scheme is shown to be due to the approximations necessary to reduce the analytical problem within the Markov processes sphere, the intrinsic difference between the wave height and twice the envelope amplitude, the variability of actual wave periods and the bias of the statistics employed for run length. Finally, the sequential correlation of wave characteristics is examined and the hypothesis that waves form a first order Markovian process is tested.
Wave grouping and sequential correlation, field studies in Italian coastal areas
AbstractExisting theories about wave grouping are compared; Kimura's theory is shown to fit experimental statistics closest. The statistics derived from records taken at five sites of the ENEL wave measuring network are compared favorably with the corresponding values predicted by Kimura's theory. The discrepancy ratios are greater for greater depth sites and for low threshold values. They are however limited: the mean group length discrepancy is about 5% on the average, and less than 17% for the worst class. The divergence from Kimura theoretical scheme is shown to be due to the approximations necessary to reduce the analytical problem within the Markov processes sphere, the intrinsic difference between the wave height and twice the envelope amplitude, the variability of actual wave periods and the bias of the statistics employed for run length. Finally, the sequential correlation of wave characteristics is examined and the hypothesis that waves form a first order Markovian process is tested.
Wave grouping and sequential correlation, field studies in Italian coastal areas
Lamberti, Alberto (author) / Rossi, Vito (author)
Coastal Engineering ; 21 ; 271-300
1993-06-07
30 pages
Article (Journal)
Electronic Resource
English
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