{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1360004233292810880.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1029/2018pa003360"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2018PA003360"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/pdf/10.1029/2018PA003360"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/full-xml/10.1029/2018PA003360"}},{"identifier":{"@type":"URI","@value":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2018PA003360"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"Response of Atmospheric <b><i>p</i></b><b>CO</b><sub><b>2</b></sub> to Glacial Changes in the Southern Ocean Amplified by Carbonate Compensation"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>Atmospheric carbon dioxide concentration (<jats:italic>p</jats:italic>CO<jats:sub>2</jats:sub>) varies by about 100ppm during glacial‐interglacial cycles. Previous studies suggest that the strongly stratified Southern Ocean at the Last Glacial Maximum increases the oceanic storage of carbon, but the glacial reduction of atmospheric <jats:italic>p</jats:italic>CO<jats:sub>2</jats:sub> simulated by ocean general circulation models (OGCMs) does not reach 100ppm. One candidate for the underestimation is that carbonate compensation is not explicitly incorporated in the previous OGCM simulations. Therefore, we quantitatively evaluate the impact of carbonate compensation on the glacial atmospheric <jats:italic>p</jats:italic>CO<jats:sub>2</jats:sub> by using an OGCM coupled with an ocean sediment model. As suggested by previous box model studies, our OGCM simulations show that the enhanced Southern Ocean stratification amplifies the decrease in atmospheric <jats:italic>p</jats:italic>CO<jats:sub>2</jats:sub> due to carbonate compensation. Considering the enhanced stratification in the Southern Ocean, we obtain a 26‐ppm drawdown of atmospheric <jats:italic>p</jats:italic>C<jats:italic>O</jats:italic><jats:sub><jats:italic>2</jats:italic></jats:sub> by carbonate compensation, and the full reduction from our pre‐industrial simulation reaches 73ppm. Both the increase in ventilation ages in the deep Atlantic and Southern Oceans and the growth of export production in the subantarctic region reduce the bottom‐water carbonate ion and promote deposited carbonate dissolution. Consequently, a greater imbalance between the river inflow and burial loss of carbonate rises ocean alkalinity, lowering atmospheric <jats:italic>p</jats:italic>CO<jats:sub>2</jats:sub>. We suggest that the reproducibility of the Southern Ocean process is essential for controlling the magnitude of atmospheric <jats:italic>p</jats:italic>CO<jats:sub>2</jats:sub> decline due to carbonate compensation.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1420001326224526592","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"70868207"},{"@type":"NRID","@value":"1000070868207"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/hidekoba"}],"foaf:name":[{"@value":"Hidetaka Kobayashi"}],"jpcoar:affiliationName":[{"@value":"Atmosphere and Ocean Research Institute University of Tokyo  Kashiwa Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004233292810754","@type":"Researcher","foaf:name":[{"@value":"Akira Oka"}],"jpcoar:affiliationName":[{"@value":"Atmosphere and Ocean Research Institute University of Tokyo  Kashiwa Japan"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"25724517"},{"@type":"EISSN","@value":"25724525"}],"prism:publicationName":[{"@value":"Paleoceanography and Paleoclimatology"}],"dc:publisher":[{"@value":"American Geophysical Union (AGU)"}],"prism:publicationDate":"2018-11","prism:volume":"33","prism:number":"11","prism:startingPage":"1206","prism:endingPage":"1229"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2018PA003360"},{"@id":"https://onlinelibrary.wiley.com/doi/pdf/10.1029/2018PA003360"},{"@id":"https://onlinelibrary.wiley.com/doi/full-xml/10.1029/2018PA003360"},{"@id":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2018PA003360"}],"createdAt":"2018-10-06","modifiedAt":"2023-09-10","project":[{"@id":"https://cir.nii.ac.jp/crid/1040282256936256640","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"17H06323"},{"@type":"JGN","@value":"JP17H06323"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-17H06323/"}],"notation":[{"@language":"ja","@value":"南極氷床・海洋・気候の統合的モデリング"},{"@language":"en","@value":"Integrative 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