{"_buckets": {"deposit": "d2178e51-dde8-4d08-97e5-d92bdb1f48ca"}, "_deposit": {"id": "26281", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "26281"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00026281", "sets": ["2104"]}, "author_link": ["78990", "78991"], "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": "Studies on paleoenvironment and carbon cycles using long-lived bivalve shells collected from Funakoshi Bay, Iwate prefecture", "subitem_alternative_title_language": "en"}]}, "item_9_biblio_info_6": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2017-03-31", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "140", "bibliographicPageStart": "135", "bibliographicVolumeNumber": "1", "bibliographic_titles": [{"bibliographic_title": "名古屋大学年代測定研究", "bibliographic_titleLang": "ja"}]}]}, "item_9_description_4": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "Bivalve shell is one of the most important archives of past environmental changes because some species can live more than several decades and distribute broadly (e.g., from high to low latitude, fresh/brackish/sea water). We have investigated potential of long-lived cold water bivalve, Mercenaria stimpsoni (Stimpson\u0027s hard clam) living in Funakoshi Bay located in North East Japan. In this paper, we show some preliminary results of sclerochlonological and geochemical approaches (e.g., oxygen isotopes) on both live-caught and dead specimens by which we attempt to establish master-chronology and to reconstruct past environmental changes for the last 150 years in the western North Pacific (e.g., water temperature, nuclear bomb-14C peak).", "subitem_description_language": "en", "subitem_description_type": "Abstract"}, {"subitem_description": "二枚貝の殻は過去の環境変化を記録するもっとも重要な記録媒体の一つである．その理由として，種によっては数十年以上生きることができること，高緯度から低緯度の淡水・汽水・海水に広く分布すること，などが挙げられる．我々はこれまで，東北日本に位置する船越湾に生息する長寿の冷水二枚貝の一種ビノスガイ（Mercenaria stimpsoni, Stimpson\u0027s hard clam）に着目し，研究を行ってきた．これまでの研究を通じて，ビノスガイが冬季に殻成長を停止すること，100歳を超す寿命を持つこと，といった新知見が得られている．本稿では，我々がこれまで取得してきた，生貝および死殻に対する予察的な年輪年代学的・地球化学的（酸素同位体・放射性炭素など）記録を紹介する．これらの記録を集約することで，北西太平洋における過去150年間のマスター曲線の作成と環境変動（例えば，古水温や核実験由末の放射性炭素ピーク曲線など）の復元を目指している．", "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.1.135", "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"}]}, "item_9_select_15": {"attribute_name": "著者版フラグ", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "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": "窪田, 薫", "creatorNameLang": "ja"}], "nameIdentifiers": [{"nameIdentifier": "78990", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Kubota, Kaoru", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "78991", "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": "2018-08-17"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "135-140_2016.pdf", "filesize": [{"value": "2.5 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_note", "mimetype": "application/pdf", "size": 2500000.0, "url": {"label": "135-140_2016.pdf", "objectType": "fulltext", "url": "https://nagoya.repo.nii.ac.jp/record/26281/files/135-140_2016.pdf"}, "version_id": "91693c38-0476-407f-bd87-6a7d44d4a3e8"}]}, "item_keyword": {"attribute_name": "キーワード", "attribute_value_mlt": [{"subitem_subject": "sclerochronology", "subitem_subject_scheme": "Other"}, {"subitem_subject": "oxygen isotopes", "subitem_subject_scheme": "Other"}, {"subitem_subject": "radiocarbon", "subitem_subject_scheme": "Other"}, {"subitem_subject": "bivalve", "subitem_subject_scheme": "Other"}]}, "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": "岩手県船越湾に生息する長寿二枚貝殻を利用した古環境・炭素循環研究", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "岩手県船越湾に生息する長寿二枚貝殻を利用した古環境・炭素循環研究", "subitem_title_language": "ja"}]}, "item_type_id": "9", "owner": "1", "path": ["2104"], "permalink_uri": "https://doi.org/10.18999/nagubc.1.135", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2018-08-17"}, "publish_date": "2018-08-17", "publish_status": "0", "recid": "26281", "relation": {}, "relation_version_is_last": true, "title": ["岩手県船越湾に生息する長寿二枚貝殻を利用した古環境・炭素循環研究"], "weko_shared_id": -1}