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Lookup NU author(s): Dr Hiro Yamazaki
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We carried out observations of sea-level fluctuations simultaneously at three stations on the coast of Heda Bay, Honshu, Japan, using supersonic-type water level gauges controlled by a personal computer. Analyses of the obtained data showed predominant spectral peaks at periods of 7.6, 2.0 and 1.3 minutes for all three stations. Comparison of the observed data with numerically calculated normal oscillation modes of the bay indicates that these three spectral peaks correspond to the theoretical first, third and seventh normal modes of the basin respectively, judging from the results of cross-spectral analyses. The reason for the absence of the remaining normal modes, especially of the second or the lateral first mode of the basin, is briefly considered.
Author(s): Tada T, Tsuji Y, Tsukamoto M, Ueno Y, Kawashima M, Egawa T, Yamazaki Y
Publication type: Article
Publication status: Published
Journal: Pure and Applied Geophysics
Year: 1992
Volume: 138
Issue: 2
Pages: 309-322
Print publication date: 01/06/1992
ISSN (print): 0033-4553
ISSN (electronic): 1420-9136
Publisher: Birkhaeuser Verlag AG
URL: http://dx.doi.org/10.1007/BF00878901
DOI: 10.1007/BF00878901
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