Statistical and dynamical analyses of propagation mechanisms of solitary internal waves in a two-layer stratification |
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Authors: | Chen-Yuan Chen |
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Institution: | (1) Department and Graduate School of Computer Science, National Pingtung University of Education, No. 4-18, Ming Shen Rd., Pingtung, 90003, Taiwan, ROC |
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Abstract: | The blocking effect of submarine ridges on the propagation of internal solitary waves (ISWs) over the topography of the seabed
results in the fission of the solitary waves that accompany the generation of reflected and transmitted waves. In this study,
multivariate analysis of variance (MANOVA) is used to investigate the inseparable relationship between the transmission and
reflection. An examination of the error sums of squares and cross-products (SSCP) matrix and the correction matrix shows that
the correlation between the transmission (at/ai) and reflection coefficients (ar/ai) is quite low (0.284). Moreover, from
multivariate testing, including Pillai’s trace, Wilks’ lambda, Hotelling’s trace and Roy’s largest root, we conclude that
the ridge height has a large effect (η = 0.456) on both the amplitude of the transmitted and reflected waves, as well as large (η = 0.411) and very large (η = 0.469) effects on the amplitudes of the transmitted and reflected waves, respectively. In conclusion, the results in the
present study highlight the importance of the role played by ridge height in coherent ISW transmission and reflection during
oceanic wave–ridge interactions. |
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Keywords: | |
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