{"_buckets": {"deposit": "b451c49c-0c06-458f-b1b5-05fcad38fdf7"}, "_deposit": {"id": "2001463", "owners": [1], "pid": {"revision_id": 0, "type": "depid", "value": "2001463"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:02001463", "sets": ["1631771208197"]}, "author_link": [], "control_number": "2001463", "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": "Temporal and spatial variations of atmospheric 14CO2", "subitem_alternative_title_language": "en"}]}, "item_9_biblio_info_6": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2021-03", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "54", "bibliographicPageStart": "49", "bibliographicVolumeNumber": "5", "bibliographic_titles": [{"bibliographic_title": "名古屋大学年代測定研究", "bibliographic_titleLang": "ja"}, {"bibliographic_title": "The Nagoya University bulletin of chronological research", "bibliographic_titleLang": "en"}]}]}, "item_9_description_4": {"attribute_name": "内容記述", "attribute_value_mlt": [{"subitem_description": "日本上空の成層圏、および南北両極域の地上基地で採取された大気試料のΔ14CO2を分析し、その時空間変動を明らかにした。成層圏におけるΔ14CO2は、対流圏大気の流入経路の違いを反映して対流圏界面付近から成層圏中部(高度22km以上)まで急増し、それ以上の高度ではほぼ一定値を示した。成層圏中部以上でのΔ14CO2の経年減少率は一定ではなく、宇宙線起源14C生成率推定値との相関が見られた。南北両極域においてΔ14CO2の経年減少が観測された。北極・ニーオルスンで観測されたΔ14CO2の季節変化について原因を考察し、成層圏からの14CO2輸送と陸上生物圏のCO2吸収、そして化石燃料起源CO2放出が季節変化に寄与している可能性を指摘した。さらに炭素循環モデルを用いて現在の対流圏におけるΔ14CO2の経年変動要因を推定した結果、対流圏大気と陸上生物圏及び海洋との14CO2の非平衡状態はほぼ解消し、化石燃料起源CO2の対流圏への放出がΔ14CO2変動の最大の要因であることが明らかになった。", "subitem_description_language": "ja", "subitem_description_type": "Abstract"}]}, "item_9_identifier_registration": {"attribute_name": "ID登録", "attribute_value_mlt": [{"subitem_identifier_reg_text": "10.18999/nagubc.5.49", "subitem_identifier_reg_type": "JaLC"}]}, "item_9_publisher_32": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "名古屋大学宇宙地球環境研究所年代測定研究部", "subitem_publisher_language": "ja"}, {"subitem_publisher": "Division for Chronological Research, Institute for Space‒Earth Environmental Research, Nagoya University", "subitem_publisher_language": "en"}]}, "item_access_right": {"attribute_name": "アクセス権", "attribute_value_mlt": [{"subitem_access_right": "open access", "subitem_access_right_uri": "http://purl.org/coar/access_right/c_abf2"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "森本, 真司", "creatorNameLang": "ja"}, {"creatorName": "Morimoto, Shinji", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "山田, 千夏", "creatorNameLang": "ja"}, {"creatorName": "Yamada, Chinatsu", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "関根, 光", "creatorNameLang": "ja"}, {"creatorName": "Sekine, Hikaru", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "青木, 周司", "creatorNameLang": "ja"}, {"creatorName": "Aoki, Shuji", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "南, 雅代", "creatorNameLang": "ja"}, {"creatorName": "Minami, Masayo", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "中村, 俊夫", "creatorNameLang": "ja"}, {"creatorName": "Nakamura, Toshio", "creatorNameLang": "en"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_access", "date": [{"dateType": "Available", "dateValue": "2021-09-21"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "049-053_2020.pdf", "filesize": [{"value": "1.6 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "mimetype": "application/pdf", "size": 1600000.0, "url": {"objectType": "fulltext", "url": 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"大気中二酸化炭素の放射性炭素同位体比の変動", "subitem_title_language": "ja"}]}, "item_type_id": "40001", "owner": "1", "path": ["1631771208197"], "permalink_uri": "https://doi.org/10.18999/nagubc.5.49", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2021-09-21"}, "publish_date": "2021-09-21", "publish_status": "0", "recid": "2001463", "relation": {}, "relation_version_is_last": true, "title": ["大気中二酸化炭素の放射性炭素同位体比の変動"], "weko_shared_id": -1}
https://doi.org/10.18999/nagubc.5.49
https://doi.org/10.18999/nagubc.5.49