{"data":{"id":"10.1594/pangaea.726732","type":"dois","attributes":{"doi":"10.1594/pangaea.726732","prefix":"10.1594","suffix":"pangaea.726732","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Rathmann, Söhnke","givenName":"Söhnke","familyName":"Rathmann","affiliation":[],"nameIdentifiers":[]},{"name":"Hess, Silvia","givenName":"Silvia","familyName":"Hess","nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0000-0002-2512-3600","nameIdentifierScheme":"ORCID"}],"affiliation":[]},{"name":"Kuhnert, Henning","givenName":"Henning","familyName":"Kuhnert","nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0000-0001-5242-4495","nameIdentifierScheme":"ORCID"}],"affiliation":[]},{"name":"Mulitza, Stefan","givenName":"Stefan","familyName":"Mulitza","nameIdentifiers":[{"schemeUri":"https://orcid.org","nameIdentifier":"https://orcid.org/0000-0002-3842-1447","nameIdentifierScheme":"ORCID"}],"affiliation":[]}],"titles":[{"title":"Magnesium/calcium ratio of the foraminifera Oridorsalis umbonatus in surface sediment samples off Namibia"}],"publisher":"PANGAEA","container":{},"publicationYear":2004,"subjects":[{"subject":"MultiCorer","subjectScheme":"Method"},{"subject":"M57/2","subjectScheme":"Campaign"},{"subject":"Meteor (1986)","subjectScheme":"Basis"},{"subject":"Center for Marine Environmental Sciences (MARUM)","subjectScheme":"Project"}],"contributors":[],"dates":[{"date":"2004","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":"10.1029/2004gc000808","relatedIdentifierType":"DOI"}],"relatedItems":[],"sizes":["6 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 laser ablation system connected to an inductively coupled plasma mass spectrometer was used to determine Mg/Ca ratios of the benthic foraminifera Oridorsalis umbonatus. A set of modern core top samples collected along a depth transect on the continental slope off Namibia (320-2300 m water depth; 2.9° to 10.4°C) was used to calibrate the Mg/Ca ratio against bottom water temperature. The resulting Mg/Ca-bottom water temperature relationship of O. umbonatus is described by the exponential equation Mg/Ca = 1.528*e**0.09*BWT. The temperature sensitivity of this equation is similar to previously published calibrations based on Cibicidoides species, suggesting that the Mg/Ca ratio of O. umbonatus is a valuable proxy for thermocline and deep water temperature.","descriptionType":"Abstract"},{"description":"Supplement to: Rathmann, Söhnke; Hess, Silvia; Kuhnert, Henning; Mulitza, Stefan (2004): Mg/Ca ratios of the benthic foraminifera Oridorsalis umbonatus obtained by laser ablation from core top sediments: Relationship to bottom water temperatures. Geochemistry, Geophysics, Geosystems, 5(12), Q12013","descriptionType":"Other"}],"geoLocations":[{"geoLocationBox":{"eastBoundLongitude":"13.6866666666666","northBoundLatitude":"-24.2516666666666","southBoundLatitude":"-25.61","westBoundLongitude":"12.935"}},{"geoLocationPlace":"Walvis 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