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dc.contributor.authorKaneda, Kentaro
dc.date.accessioned2019-10-12T19:50:48Z
dc.date.available2019-10-12T19:50:48Z
dc.date.issued2014
dc.identifier.urihttp://hdl.handle.net/1834/15646
dc.description.abstractAnalysis of multi−channel seismic reflection survey and seismic refraction survey data acquired on four nearly parallel survey lines in the Northwest Pacific Basin reveals that there exists low-velocity structure within lower crust. Average P-wave velocity in the low−velocity structure, below top of the lower crust with a P-wave velocity of 6.9–7.0km/s, can be estimated as 6.2–6.7±0.2–0.3km/s. However, a low-velocity structure cannot be observed below a survey line, which crosses to the four lines. I consider several models which would explain the difference of the velocity structures of the lower crust between the survey lines.en_US
dc.language.isojaen_US
dc.relation.urihttps://www1.kaiho.mlit.go.jp/GIJUTSUKOKUSAI/KENKYU/report/article.html#rhr51en_US
dc.titleLow velocity structure within the lower crust below the ocean−floor in the south−east to the Ogasawara Plateauen_US
dc.typeJournal Contributionen_US
dc.bibliographicCitation.issue51en_US
dc.bibliographicCitation.titleReport of Hydrographic and Oceanographic Researchesen_US
dc.description.statusPublisheden_US
dc.format.pagerangepp. 32-58en_US
dc.type.refereedRefereeden_US
refterms.dateFOA2021-01-30T18:48:36Z


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