{"data":{"id":"10.1594/pangaea.713007","type":"dois","attributes":{"doi":"10.1594/pangaea.713007","prefix":"10.1594","suffix":"pangaea.713007","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Vonhof, Hubert B","givenName":"Hubert B","familyName":"Vonhof","nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0000-0002-0897-8244","nameIdentifierScheme":"ORCID"}],"affiliation":[]},{"name":"Smit, Jan","givenName":"Jan","familyName":"Smit","nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0000-0002-6070-4865","nameIdentifierScheme":"ORCID"}],"affiliation":[]},{"name":"Brinkhuis, Henk","givenName":"Henk","familyName":"Brinkhuis","nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0000-0003-0253-6610","nameIdentifierScheme":"ORCID"}],"affiliation":[]},{"name":"Montanari, Alessandro","givenName":"Alessandro","familyName":"Montanari","affiliation":[],"nameIdentifiers":[]},{"name":"Nederbragt, Alexandra J","givenName":"Alexandra J","familyName":"Nederbragt","nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0000-0002-8305-0075","nameIdentifierScheme":"ORCID"}],"affiliation":[]}],"titles":[{"title":"Carbon and oxygen isotope data for carbonates and benthic foraminifers from ODP Hole 113-689B"}],"publisher":"PANGAEA","container":{},"publicationYear":2000,"subjects":[{"subject":"Drilling/drill rig","subjectScheme":"Method"},{"subject":"Leg113","subjectScheme":"Campaign"},{"subject":"Joides Resolution","subjectScheme":"Basis"},{"subject":"Ocean Drilling Program (ODP)","subjectScheme":"Project"}],"contributors":[],"dates":[{"date":"2000","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(2000)28\u003c687:gcabel\u003e2.0.co;2","relatedIdentifierType":"DOI"},{"relationType":"IsDocumentedBy","relatedIdentifier":"ftp://rock.geosociety.org/pub/reposit/2000/200077.pdf","relatedIdentifierType":"URL"}],"relatedItems":[],"sizes":["2 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":"At Ocean Drilling Program Site 689 (Maud Rise, Southern Ocean), d18O records of fine-fraction bulk carbonate and benthic foraminifers indicate that accelerated climate cooling took place following at least two closely spaced early late Eocene extraterrestrial impact events. A simultaneous surface-water productivity increase, as interpreted from d13C data, is explained by enhanced water-column mixing due to increased latitudinal temperature gradients. These isotope data appear to be in concert with organic-walled dinoflagellate-cyst records across the same microkrystite-bearing impact-ejecta layer in the mid-latitude Massignano section (central Italy). In particular, the strong abundance increase of Thalassiphora pelagica is interpreted to indicate cooling or increased productivity at Massignano. Because impact-induced cooling processes are active on time scales of a few years at most, the estimated 100 k.y. duration of the cooling event appears to be too long to be explained by impact scenarios alone. This implies that a feedback mechanism, such as a global albedo increase due to extended snow and ice cover, may have sustained impact-induced cooling for a longer time after the impacts.","descriptionType":"Abstract"},{"description":"Supplement to: Vonhof, Hubert B; Smit, Jan; Brinkhuis, Henk; Montanari, Alessandro; Nederbragt, Alexandra J (2000): Global cooling accelerated by early late Eocene impacts? Geology, 28(8), 687-690","descriptionType":"Other"}],"geoLocations":[{"geoLocationPoint":{"pointLatitude":"-64.51700000000001","pointLongitude":"3.0998999999999994"}},{"geoLocationPlace":"South Atlantic 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