{"created":"2021-03-01T06:51:34.942565+00:00","id":32863,"links":{},"metadata":{"_buckets":{"deposit":"29f40f39-eac2-4422-bae2-3be5828e37a9"},"_deposit":{"id":"32863","owner":"1","owners":[],"pid":{"revision_id":0,"type":"depid","value":"32863"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00032863","sets":["80:4535:4767:4771","9:504:4538:4769:4772"]},"author_link":["128095","128094"],"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Classification of Tsunami Magnitude Scale"}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1987-02-10","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicPageEnd":"515","bibliographicPageStart":"503","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":"最近88年間に,日本近海で発生した31個の津波について,波源に近い沿岸の遡上高と検測器で得られた津波データ(最大波の全振幅値)を併用し,津波の規模階級(マグニチュード,m : 今村・飯田スケール)を検討した.その結果,津波の高さHと距離Δ(震央から観測点までの海洋上の最短距離,20～2000kmの範囲)の関係図において,津波マグニチュードmの平均値はm=2.71ogH+2.7logΔ-4.3 (単位 H : m, Δ : km)で表わせる,10mを超える遡上高や,岬・島の観測値にバラつきがみらつれるが,津波の規模階級は0.5の間隔で区分できる.規模スケールは,1階級上がるとエネルギーで5倍,波高にして2.24倍の間隔で変わり,エネルギーと対応する.今回の方法で得た各津波の規模階級を,さきに筆者(羽鳥, 1979)が示した検潮データのみできめたものと比べると,m>1.5の津波では前方法によるものより0.5ほど大きく格付けされる傾向にある.一方,波源に面した沿岸において,最大波の地点から沿岸にそう直線距雑Lと波高Hとの関係をみると,津波マグニチュードはm=0.008L+2.7logH+0.31 (単位 H : m, L : km)で表わせる.津波の範囲が定量化されたことで,今村(1949)の規模階級を区分する定義を補足した.","subitem_description_type":"Abstract"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"128095","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Hatori, Tokutaro"}]}]},"item_4_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15083/0000032863","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":"地震研究所"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"羽鳥, 徳太郎"}],"nameIdentifiers":[{"nameIdentifier":"128094","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":"ji0613006.pdf","filesize":[{"value":"674.7 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"ji0613006.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/32863/files/ji0613006.pdf"},"version_id":"eb38a33e-6a82-4f46-8a16-5bfd40218ff2"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"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":"津波の規模階級の区分","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"津波の規模階級の区分","subitem_title_language":"ja"}]},"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":"32863","relation_version_is_last":true,"title":["津波の規模階級の区分"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-12-19T04:08:47.231053+00:00"}