Seiche dominant periods of bays and ports determined from a repeated measurement(2) : Pacific coast of Southwest Japan

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  • 静振の再測から求めた湾や港の卓越周期(2) : 西南日本太平洋岸
  • セイシン ノ サイソク カラ モトメタ ワン ヤ ミナト ノ タクエツ シュウキ 2 セイナン ニホン タイヘイヨウガン

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Additional data of seiche spectra were obtained by insitu measurements for 43 places of southwest Japan facing to the Pacific Ocean. Taking an average between the former and this data we composed an averaged spectrum of seiche. We illustrated the spectrum for each observation point and extracted dominant periods from it. The averaged spectra were represented as smoothed ones in comparison with the former ones. From the comparison of the dominant periods we verified that a reproducibility of dominant periods is within 76% in the ratio assuming a relative error of 25%. The exceptional case tends to be observed in case of non-normal direction of the bay.

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