{"created":"2023-07-25T09:59:22.193116+00:00","id":2700,"links":{},"metadata":{"_buckets":{"deposit":"81a713ea-27a0-49cf-a190-46224a25fee9"},"_deposit":{"created_by":15,"id":"2700","owners":[15],"pid":{"revision_id":0,"type":"depid","value":"2700"},"status":"published"},"_oai":{"id":"oai:oacis.repo.nii.ac.jp:00002700","sets":["187:190:536","70:538","70:539","78:564"]},"author_link":["4194","4192","4193","4172","3623","4195"],"item_10010_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2021-03-26","bibliographicIssueDateType":"Issued"},"bibliographic_titles":[{}]}]},"item_10010_description_25":{"attribute_name":"研究課題番号","attribute_value_mlt":[{"subitem_description":"18H04914","subitem_description_type":"Other"},{"subitem_description":"16H01590","subitem_description_type":"Other"}]},"item_10010_description_26":{"attribute_name":"注記","attribute_value_mlt":[{"subitem_description":"問合せ先は、発信当時のものです"}]},"item_10010_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"最新の計測技術を駆使した調査により，急峻な地形（岩礁）の背後で⿊潮内部に⽣じる強⼒な乱流の発達過程や，それに伴う栄養塩の表層への鉛直輸送の観測に成功しました。\nこの肥沃効果は驚くほど⼤きく，⿊潮の豊かな⽣態系の根幹を⽀えていると考えられます。"},{"subitem_description":"黒潮の豊かな生態系の維持に不可欠である下層から光合成可能な表層への栄養塩供給機構を解明するため，水産研究・教育機構，九州大学，東京大学，愛媛大学，鹿児島大学および東京海洋大学の共同研究チームは，鹿児島県南方沖のトカラ海峡を黒潮が通過する際，急峻な地形により攪拌されることで，どれだけの量の硝酸塩（植物プランクトンの成長に必要な栄養塩の一つ）が光合成可能な表層へと輸送されているかを，最新の計測技術を駆使して調べました。\nその結果，黒潮がトカラ列島の岩礁にぶつかったときに生じる強力な乱流と湧昇効果の詳細を捉えることにより，乱流による下層から表層への硝酸塩の鉛直輸送量を正確に計測することに成功しました。\n計測された硝酸塩の表層への鉛直輸送量は，年間最大で１平方キロメートル当たり約2 万トン（黒潮流域の約3 千トンの魚類生産を支える値）補足1-2と，これまで世界の海で報告された輸送量の中でも最大規模のものです補足3。\nこの結果は，黒潮の流路上に存在する島や岩礁・海山などの急峻な地形により引き起こされる乱流混合や湧昇による表層への栄養塩の供給が，黒潮の豊かな生態系の維持に重要な役割を果たしている可能性を示しています。"}]},"item_10010_description_6":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"プレスリリース掲載論文はこちら: https://doi.org/10.1029/2020GL092063"},{"subitem_description":"問合せ先: 長井健容"}]},"item_10010_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京海洋大学総務課広報室"}]},"item_10010_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"プレスリリース掲載論文"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.1029/2020GL092063","subitem_relation_type_select":"DOI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"KAKEN研究課題: 沖縄トラフ・トカラ海峡で高鉛直波数近慣性波シアと乱流が卓越するメカニズム"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://kaken.nii.ac.jp/ja/grant/KAKENHI-PUBLICLY-18H04914/","subitem_relation_type_select":"URI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"KAKEN研究課題: 黒潮源流が陸棚縁で生成する近慣性内部波と躍層における鉛直混合メカニズムの解明"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://kaken.nii.ac.jp/ja/grant/KAKENHI-PUBLICLY-16H01590/","subitem_relation_type_select":"URI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"研究代表者: 長井 健容 (東京海洋大学)"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://nrid.nii.ac.jp/ja/nrid/1000090452044/","subitem_relation_type_select":"URI"}}]},"item_10010_rights_15":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright©All Rights Reserved Tokyo University of Marine Science and Technology"}]},"item_10010_subject_24":{"attribute_name":"科学研究費研究課題","attribute_value_mlt":[{"subitem_subject":"沖縄トラフ・トカラ海峡で高鉛直波数近慣性波シアと乱流が卓越するメカニズム","subitem_subject_scheme":"Other"},{"subitem_subject":"Mechanisms of dominant vertical high wavenumber near inertial shear and strong turbulence in the Okinawa Trough and the Tokara Strait","subitem_subject_scheme":"Other"},{"subitem_subject":"黒潮源流が陸棚縁で生成する近慣性内部波と躍層における鉛直混合メカニズムの解明","subitem_subject_scheme":"Other"},{"subitem_subject":"Near-inertial wave generations and diapycnal mixing in the Kuroshio origin regions near the continental shelf","subitem_subject_scheme":"Other"}]},"item_10010_version_type_20":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"水産研究・教育機構"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"九州大学"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"東京大学"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"愛媛大学"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"鹿児島大学"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"東京海洋大学"},{"creatorName":"トウキョウカイヨウダイガク","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2023-03-26"}],"displaytype":"detail","filename":"TUMSAT Press 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〜世界最⼤級の乱流混合・栄養塩供給のメカニズムを捉えた〜"}]},"item_type_id":"10010","owner":"15","path":["536","538","539","564"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-03-26"},"publish_date":"2023-03-26","publish_status":"0","recid":"2700","relation_version_is_last":true,"title":["トカラ海峡の岩礁で⽣じる強⼒な混合と⿊潮の肥沃化 〜世界最⼤級の乱流混合・栄養塩供給のメカニズムを捉えた〜"],"weko_creator_id":"15","weko_shared_id":-1},"updated":"2024-03-13T06:05:26.945302+00:00"}