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01 Bulletin of the Nippon Dental University. General Education >

 

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Title :静振の再測から求めた湾や港の卓越周期(1) : 東北日本太平洋岸
Title alternative :Seciche dominant periods of bays and ports determined from a repeated measurement(1) : Pacific coast of Northeast Japan
Authors :阿部, 邦昭
Publisher :日本歯科大学
Issue Date :Mar-2011
Journal Title :Bulletin of the Nippon Dental University. General Education
Volume :40
Start Page :13
End Page :21
ISSN :0385-1605
Abstract :Sea level oscillations for six hours in a usual sea condition (seiche) were measured at 45 Pacific coasts of northeast Japan in two or three times. The averaged power spectra were calculated and dominant periods were extracted from the spectral peaks for all the points. As the result it is understood that the spectra vary depending on the closed ness. The spectrum consists of one peak and the same dominant period is repeatedly detected in a long bay but of some peaks and the dominant period is variable in a short or wide bay. In the case of port facing to the open ocean, the spectrum is approximated by the white one and the dominant period is unstable.
Keywords :Seiche
spectra
dominant period
bay
northeast Japan
Type Local :Departmental Bulletin Paper
Language :jpn
URI :http://hdl.handle.net/10623/29762
Appears in Collections:01 Bulletin of the Nippon Dental University. General Education

Please use this identifier to cite or link to this item: http://hdl.handle.net/10623/29762

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