{"@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/1362262944714622976.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1126/science.289.5485.1719"}},{"identifier":{"@type":"URI","@value":"https://www.science.org/doi/pdf/10.1126/science.289.5485.1719"}},{"identifier":{"@type":"NAID","@value":"30020358124"}}],"dc:title":[{"@value":"Climate Impact of Late Quaternary Equatorial Pacific Sea Surface Temperature Variations"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>Magnesium/calcium data from planktonic foraminifera in equatorial Pacific sediment cores demonstrate that tropical Pacific sea surface temperatures (SSTs) were 2.8° ± 0.7°C colder than the present at the last glacial maximum. Glacial-interglacial temperature differences as great as 5°C are observed over the last 450 thousand years. Changes in SST coincide with changes in Antarctic air temperature and precede changes in continental ice volume by about 3 thousand years, suggesting that tropical cooling played a major role in driving ice-age climate. Comparison of SST estimates from eastern and western sites indicates that the equatorial Pacific zonal SST gradient was similar or somewhat larger during glacial episodes. Extraction of a salinity proxy from the magnesium/calcium and oxygen isotope data indicates that transport of water vapor into the western Pacific was enhanced during glacial episodes.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382262944714622977","@type":"Researcher","foaf:name":[{"@value":"David W. Lea"}],"jpcoar:affiliationName":[{"@value":"Department of Geological Sciences and Marine Science Institute, University of California, Santa Barbara, CA 93106, USA."}]},{"@id":"https://cir.nii.ac.jp/crid/1382262944714622976","@type":"Researcher","foaf:name":[{"@value":"Dorothy K. Pak"}],"jpcoar:affiliationName":[{"@value":"Department of Geological Sciences and Marine Science Institute, University of California, Santa Barbara, CA 93106, USA."}]},{"@id":"https://cir.nii.ac.jp/crid/1382262944714622978","@type":"Researcher","foaf:name":[{"@value":"Howard J. Spero"}],"jpcoar:affiliationName":[{"@value":"Department of Geology, University of California, Davis, CA 95616, USA."}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00368075"},{"@type":"EISSN","@value":"10959203"}],"prism:publicationName":[{"@value":"Science"}],"dc:publisher":[{"@value":"American Association for the Advancement of Science (AAAS)"}],"prism:publicationDate":"2000-09-08","prism:volume":"289","prism:number":"5485","prism:startingPage":"1719","prism:endingPage":"1724"},"reviewed":"false","url":[{"@id":"https://www.science.org/doi/pdf/10.1126/science.289.5485.1719"}],"createdAt":"2002-07-27","modifiedAt":"2024-01-13","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050869456409729792","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Influence of Land Development on Holocene Porites Coral Calcification at Nagura Bay, Ishigaki Island, 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