{"created":"2021-03-01T06:18:44.789197+00:00","id":11828,"links":{},"metadata":{"_buckets":{"deposit":"7d7cfd1e-882b-4d89-8508-61064efc44bf"},"_deposit":{"id":"11828","owners":[],"pid":{"revision_id":0,"type":"depid","value":"11828"},"status":"published"},"_oai":{"id":"oai:nagoya.repo.nii.ac.jp:00011828","sets":["879:1183:1184:1247"]},"author_link":["82329","82330","82331","82332","82333","82334","82335","82336","82337","82338","82339","82340"],"item_1615768549627":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_9_alternative_title_19":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Variation of solar cycles during the last 1200 years indicated by the radiocarbon content in tree-rings(Proceedings of the 19^<th> Symposium on Chronological Studies at the Nagoya University Center for Chronological Research in 2006,Part 2)","subitem_alternative_title_language":"en"}]},"item_9_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2007-03","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"104","bibliographicPageStart":"98","bibliographicVolumeNumber":"18","bibliographic_titles":[{"bibliographic_title":"名古屋大学加速器質量分析計業績報告書","bibliographic_titleLang":"ja"}]}]},"item_9_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Radiocarbon is mainly produced by the incoming galactic cosmic rays modulated by solar wind and the interplanetary magnetic field, and thus its production rate and its content in the atmosphere and in the tree-rings reflect the state of solar magnetic activity. By measuring the radiocarbon contents in annual tree-rings, we can trace back the characteristics of the eleven-year solar cycles during the pre-historical periods. The Sun holds several long-term cyclic variations in addition to the 11-year sunspot activity cycle and the 22-year cycle in the polarity reversals. The 88-year and the 208-year quasi cyclic variations of the Sun have caused several long-lasting sunspot minima such as the Maunder Minimum (1645-1715 AD), and have brought cold spells as referred as the Little Ice Age. However, not only the mechanisms of the solar influence on climate but also the mechanism of such long-term variations in solar activity is not clarified yet. In order to obtain the clues for the mechanisms of the long-term solar variations, we investigated the change of the characteristics of the eleven-year solar cycle during the last 1200 years, including the grand solar activity maxima around the 9-10^<th> century, the Spoerer Minimum (1415-1534 AD) and the Maunder Minimum. The spectral analyses of our radiocarbon data have indicated the suppression of the eleven-year variations and the slight stretching of the cycle lengths during the grand activity minima. On the other hand, slight shortening of the eleven-year cycle has been found around the grand solar activity maxima. The variability of the \"11-year\" solar cycle during the last 1200 years seems to be 9-15years.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_9_description_5":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"第19回名古屋大学年代測定総合研究センターシンポジウム平成18(2006)年度報告<第2部> Proceedings of the 19th symposiumon on Chronological Studies at the Nagoya University Center for Chronological Research in 2006 日時:平成19 (2007)年1月15日(月)～17日(水) 会場:名古屋大学シンポジオン Date:January15th-17th, 2007 Venue:Nagoya Uhiversity Symposion Hall","subitem_description_language":"ja","subitem_description_type":"Other"}]},"item_9_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.18999/sumrua.18.98","subitem_identifier_reg_type":"JaLC"}]},"item_9_publisher_32":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"名古屋大学年代測定資料研究センター","subitem_publisher_language":"ja"}]},"item_9_relation_43":{"attribute_name":"関連情報","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"http://ci.nii.ac.jp/naid/110007150992/","subitem_relation_type_select":"URI"}}]},"item_9_rights_12":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"名古屋大学年代測定資料研究センター","subitem_rights_language":"ja"},{"subitem_rights":"本文データは学協会の許諾に基づきCiNiiから複製したものである","subitem_rights_language":"ja"}]},"item_9_select_15":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"publisher"}]},"item_9_text_14":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_text_value":"application/pdf"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open 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Kentaro","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"82334","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"北澤, 恭平","creatorNameLang":"ja"}],"nameIdentifiers":[{"nameIdentifier":"82335","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kitazawa, Kyohei","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"82336","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"増田, 公明","creatorNameLang":"ja"}],"nameIdentifiers":[{"nameIdentifier":"82337","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Masuda, Kimiaki","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"82338","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"村木, 綏","creatorNameLang":"ja"}],"nameIdentifiers":[{"nameIdentifier":"82339","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Muraki, Yasushi","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"82340","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":"2018-02-20"}],"displaytype":"detail","filename":"KJ00005461884.pdf","filesize":[{"value":"561.1 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"KJ00005461884.pdf","objectType":"fulltext","url":"https://nagoya.repo.nii.ac.jp/record/11828/files/KJ00005461884.pdf"},"version_id":"71885bec-e300-42f2-98f3-7570dc6845b4"}]},"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 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