{"created":"2021-03-01T06:51:34.681773+00:00","id":32859,"links":{},"metadata":{"_buckets":{"deposit":"6eb661d2-24aa-4104-a15b-45497bd3ce3f"},"_deposit":{"id":"32859","owner":"1","owners":[],"pid":{"revision_id":0,"type":"depid","value":"32859"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00032859","sets":["80:4535:4767:4771","9:504:4538:4769:4772"]},"author_link":["128086","128087","128088","128089","128082","128083","128084","128085"],"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"北西太平洋海盆西部におけるP波走時の15°以遠の影領域 : 海底地震計長距離群列観測"}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1987-02-10","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicPageEnd":"427","bibliographicPageStart":"415","bibliographicVolumeNumber":"61","bibliographic_titles":[{"bibliographic_title":"東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo"}]}]},"item_4_description_13":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_4_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"A long range ocean-bottom seismometer array observation in the western Northwest Pacific Basin revealed a P-wave shadow zone beyond the epicentral distance of 15°. The apparent surface velocity of the P-wave in the distance ranges from 12° to 15° is about 8.6 km/sec, which seems to be a continuation of the 8.4 km/sec (apparent surface velocity) travel-times in the range from 6° to 12°. The off-set of travel-times at the shadow zone is about 1.7-2.0 seconds. The low-velocity zone which corresponds to this shadow zone could be a major transition from lithosphere to asthenosphere. A review of the regional differences of shadow zone gives such an estimate that the depth of the transition is deep beneath the western Northwest Pacific Basin, roughly in a depth range of 100-200 km. The detailed structural analysis will be reported in the next paper.","subitem_description_type":"Abstract"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"128086","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Nagumo, Shozaburo"}]},{"nameIdentifiers":[{"nameIdentifier":"128087","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Ouchi, Toru"}]},{"nameIdentifiers":[{"nameIdentifier":"128088","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Kasahara, Junzo"}]},{"nameIdentifiers":[{"nameIdentifier":"128089","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Koresawa, Sadayuki"}]}]},"item_4_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15083/0000032859","subitem_identifier_reg_type":"JaLC"}]},"item_4_publisher_20":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京大学地震研究所"}]},"item_4_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00162258","subitem_source_identifier_type":"NCID"}]},"item_4_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"00408972","subitem_source_identifier_type":"ISSN"}]},"item_4_subject_15":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"453","subitem_subject_scheme":"NDC"}]},"item_4_text_21":{"attribute_name":"出版者別名","attribute_value_mlt":[{"subitem_text_value":"Earthquake Research Institute, University of Tokyo"}]},"item_4_text_4":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学地震研究所"},{"subitem_text_value":"神戸大学理学部"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"南雲, 昭三郎"}],"nameIdentifiers":[{"nameIdentifier":"128082","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"大内, 徹"}],"nameIdentifiers":[{"nameIdentifier":"128083","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"笠原, 順三"}],"nameIdentifiers":[{"nameIdentifier":"128084","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"是澤, 定之"}],"nameIdentifiers":[{"nameIdentifier":"128085","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-06-26"}],"displaytype":"detail","filename":"ji0613002.pdf","filesize":[{"value":"1.1 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"ji0613002.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/32859/files/ji0613002.pdf"},"version_id":"74ffcd48-2484-4ab0-8201-a6022c10e3e6"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"15 Degree Shadow Zone of the P-wave Travel-times in the Western Northwest Pacific Basin Observed by an Ocean-bottom Seismometer Long Range Array","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"15 Degree Shadow Zone of the P-wave Travel-times in the Western Northwest Pacific Basin Observed by an Ocean-bottom Seismometer Long Range Array","subitem_title_language":"en"}]},"item_type_id":"4","owner":"1","path":["4771","4772"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2008-05-30"},"publish_date":"2008-05-30","publish_status":"0","recid":"32859","relation_version_is_last":true,"title":["15 Degree Shadow Zone of the P-wave Travel-times in the Western Northwest Pacific Basin Observed by an Ocean-bottom Seismometer Long Range Array"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-12-19T05:38:02.721718+00:00"}