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dc.contributor.authorIzumi, Noriaki
dc.contributor.authorKato, Yukihiro
dc.contributor.authorNishizawa, Azusa
dc.contributor.authorIto, Koji
dc.contributor.authorWatanabe, Naoko
dc.contributor.authorNakata, Takashi
dc.contributor.authorGoto, Hideaki
dc.contributor.authorUeki, Toshiaki
dc.contributor.authorKaji, Taku
dc.date.accessioned2019-10-18T11:13:13Z
dc.date.available2019-10-18T11:13:13Z
dc.date.issued2011
dc.identifier.urihttp://hdl.handle.net/1834/15671
dc.description.abstractThe northern margin of the Philippine Sea plate is marked by the Nankai Trough. The trough is known as one of the most active seismogenic zone in the world. However, the basic observations for prediction of giagntic earthquakes such as the detailed distribution of active faults have been lacking mainly due to insufficiency of data of the detailed submarine topography. To make a more precise submarine active fault map along the trough, we have made detailed submarine topographic images based on 3 second (approximately 90 m) DEM processed from the original data obtained by Japan Coast Guard since 1984 using multi−narrow beam echo sounder. Then we have made stereo−pair copies of topographic images for interpretation of active faults, in a similar manner we use in aerial photograph stereo sets for onland active faults. We have also prepared anaglyph images from the stereo−pairs for discussion.en_US
dc.language.isojaen_US
dc.relation.urihttps://www1.kaiho.mlit.go.jp/GIJUTSUKOKUSAI/KENKYU/report/article.html#rhr47en_US
dc.title3D bathymetric image of the northern margin of the Philippine Sea plate based on 3 second grid DEMen_US
dc.typeJournal Contributionen_US
dc.bibliographicCitation.issue47en_US
dc.bibliographicCitation.titleReport of Hydrographic and Oceanographic Researchesen_US
dc.description.statusPublisheden_US
dc.format.pagerangepp. 83-89en_US
dc.type.refereedRefereeden_US
refterms.dateFOA2021-01-30T18:48:36Z


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