{"created":"2021-03-01T06:51:33.765508+00:00","id":32845,"links":{},"metadata":{"_buckets":{"deposit":"d9ef06e9-72db-4894-b7d7-59108f1b7a7d"},"_deposit":{"id":"32845","owner":"1","owners":[],"pid":{"revision_id":0,"type":"depid","value":"32845"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00032845","sets":["80:4535:4757:4761","9:504:4538:4759:4762"]},"author_link":["127985","127984"],"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"震度データのインバージョンによる3次元減衰構造と地震規模の決定 : 日本列島"}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1988-01-29","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicPageEnd":"287","bibliographicPageStart":"247","bibliographicVolumeNumber":"62","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":"The three-dimensional seismic attenuation structure beneath the Japanese Islands is determined from seismic intensity data. The source accelerations which indicate \"\"size\"\" of earthquakes at hypothetical point sources, are also simultaneously determined by inversion of seismic intensity data.","subitem_description_type":"Abstract"},{"subitem_description":"日本列島下の3次元減衰構造と地震の規模(点震源を仮定したときの震源における加速度)が,震度データから求められている.インバージョンに際して,HASHIDA and SHIMAZAKI (1984)が開発した方法を使った.この方法では,震度は観測点におけるS波の最大加速度に対応することが仮定されている.1951年から1983年までに日本列島およびその周辺で発生した約800個の地震に対して気象庁によって報告された約15,000個の震度をデータとして用いた.日本列島を8地域に分け,各地域について3次元減衰構造と震源での加速度が求められた.その3次元構造は表3と図3に示されている.さらに,8地域の減衰構造を各層ごとに結びあわせることによって,日本列島全域の減衰樹造を第3層(深さ90km)まで求めた(図4).また,求められた震源での加速度と気象庁マグニチュードとは,1次式で表される(図5・6).ここに求められた3次元減衰構造と震源における加速度は,特定の地震と観測点に対する震度予測や,歴史地震のマグュチュード推定に利用することができる.","subitem_description_type":"Abstract"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"127985","nameIdentifierScheme":"WEKO"}],"names":[{"name":"橋田, 俊彦"}]}]},"item_4_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15083/0000032845","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":"Hashida, Toshihiko"}],"nameIdentifiers":[{"nameIdentifier":"127984","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":"ji0623003.pdf","filesize":[{"value":"1.7 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"ji0623003.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/32845/files/ji0623003.pdf"},"version_id":"28b34808-89b6-4512-b4d8-44d42be2a247"}]},"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":"Determination of Three-dimensional Attenuation Structure and Source Acceleration by Inversion of Seismic Intensity Data : Japanese Islands","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Determination of Three-dimensional Attenuation Structure and Source Acceleration by Inversion of Seismic Intensity Data : Japanese Islands","subitem_title_language":"en"}]},"item_type_id":"4","owner":"1","path":["4761","4762"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2008-05-30"},"publish_date":"2008-05-30","publish_status":"0","recid":"32845","relation_version_is_last":true,"title":["Determination of Three-dimensional Attenuation Structure and Source Acceleration by Inversion of Seismic Intensity Data : Japanese Islands"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-12-19T05:38:02.233633+00:00"}