{"data":{"id":"10.1594/pangaea.712935","type":"dois","attributes":{"doi":"10.1594/pangaea.712935","prefix":"10.1594","suffix":"pangaea.712935","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Clarke, Leon J","givenName":"Leon J","familyName":"Clarke","nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0000-0002-2278-4139","nameIdentifierScheme":"ORCID"}],"affiliation":[]},{"name":"Jenkyns, Hugh C","givenName":"Hugh C","familyName":"Jenkyns","nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0000-0002-2728-0984","nameIdentifierScheme":"ORCID"}],"affiliation":[]}],"titles":[{"title":"Isotope oxygen record for ODP sediments from the Exmouth Plateau"}],"publisher":"PANGAEA","container":{},"publicationYear":1999,"subjects":[{"subject":"Drilling/drill rig","subjectScheme":"Method"},{"subject":"Leg122","subjectScheme":"Campaign"},{"subject":"Leg123","subjectScheme":"Campaign"},{"subject":"Joides Resolution","subjectScheme":"Basis"},{"subject":"Ocean Drilling Program (ODP)","subjectScheme":"Project"}],"contributors":[],"dates":[{"date":"1999","dateType":"Issued"}],"language":"en","types":{"ris":"GEN","bibtex":"misc","citeproc":"article","schemaOrg":"Collection","resourceType":"Supplementary Publication Series of Datasets","resourceTypeGeneral":"Collection"},"relatedIdentifiers":[{"relationType":"IsSupplementTo","relatedIdentifier":"10.1130/0091-7613(1999)027\u003c0699:noiefl\u003e2.3.co;2","relatedIdentifierType":"DOI"},{"relationType":"IsDocumentedBy","relatedIdentifier":"ftp://rock.geosociety.org/pub/reposit/1999/9957.pdf","relatedIdentifierType":"URL"}],"relatedItems":[],"sizes":["3 datasets"],"formats":["application/zip"],"version":null,"rightsList":[{"rights":"Creative Commons Attribution 3.0 Unported","rightsUri":"https://creativecommons.org/licenses/by/3.0/legalcode","schemeUri":"https://spdx.org/licenses/","rightsIdentifier":"cc-by-3.0","rightsIdentifierScheme":"SPDX"}],"descriptions":[{"description":"A new composite d18O record, generated from calcareous fine-fraction and bulk sediments from the Exmouth Plateau, details long-term Cretaceous climatic change at mid-latitudes in the Southern Hemisphere. Assessment of new and previously published d18O data indicates that a mid-Cretaceous global climatic optimum was achieved sometime between the time of the Cenomanian-Turonian boundary and the middle Turonian, when surface-ocean paleotemperatures were the highest of the past 115 m.y. Periods of cooling and warming that reversed the general patterns were superimposed on long-term Aptian-Turonian warming and Turonian-Maastrichtian cooling trends, respectively. Extrapolation of Southern Hemisphere paleotemperature trends to Maastrichtian paleotemperature data from a low-latitude Pacific guyot implies that maximum mid-Cretaceous low-latitude paleotemperatures could have been in excess of 33°C.","descriptionType":"Abstract"},{"description":"Supplement to: Clarke, Leon J; Jenkyns, Hugh C (1999): New oxygen isotope evidence for long-term Cretaceous climatic change in the Southern Hemisphere. Geology, 27(8), 699-702","descriptionType":"Other"}],"geoLocations":[{"geoLocationBox":{"eastBoundLongitude":"112.254","northBoundLatitude":"-19.887","southBoundLatitude":"-20.587","westBoundLongitude":"110.4541"}},{"geoLocationPlace":"South Indian Ridge, South Indian 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