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dc.contributor.authorLo Giudice Cappelli, Elena
dc.contributor.authorRegenberg, Marcus
dc.contributor.authorHolbourn, Ann
dc.contributor.authorKuhnt, Wolfgang
dc.contributor.authorGarbe-Schoenberg, Dieter
dc.contributor.authorAndersen, Nils
dc.identifier.citationLo Giudice Cappelli , E , Regenberg , M , Holbourn , A , Kuhnt , W , Garbe-Schoenberg , D & Andersen , N 2015 , ' Refining C. wuellerstorfi and H. elegans Mg/Ca temperature calibrations ' , Marine Micropaleontology , vol. 121 , pp. 70-84 .
dc.descriptionFunding for this research was provided by the Marie Curie Action Plan, Seventh Framework Program (Grant no. 237922) and BMBF Grants 03G0217A (MAJA) and 03G0185A (VITAL).en
dc.description.abstractWe present core top Mg/Ca, Sr/Ca and δ18O measurements for Cibicidoides wuellerstorfi and Hoeglundina elegans from the Timor Sea and the Makassar Strait, which span a bottom water temperature (BWT) range from 2 to 18 °C. In both species Mg/Ca ratios are positively and significantly correlated with BWT, while δ18O measurements are significantly anti-correlated with BWT. Comparison of calcification temperatures derived from Mg/Ca ratios and δ18O measurements yield comparable results and closely match CTD-measured temperatures. We integrate our results with previously published data sets from the Atlantic, Indian and Pacific Oceans and provide temperature calibration equations over the temperature range from 2 to 12 °C for H. elegans and from 0 to 10 °C for C. wuellerstorfi. We found geographical differences in the relation of benthic Mg/Ca ratios to BWT: C. wuellerstorfi shows Mg/Ca sensitivity to BWT of 19% increase in Mg/Ca per °C for the Atlantic Ocean and of 15% per °C for the Indian and Pacific Oceans. H. elegans shows Mg/Ca sensitivity to BWT of 16% increase in Mg/Ca per °C for the Atlantic Ocean and of 14% per °C for the Indian and Pacific Oceans. C. wuellerstorfi Sr/Ca variability appears to be mainly driven by carbonate ion saturation, whereas H. elegans Sr/Ca variability is closely linked to BWT in the compiled data sets from the Atlantic, Indian and Pacific Oceans.
dc.relation.ispartofMarine Micropaleontologyen
dc.subjectHoeglundina elegansen
dc.subjectCibicidoides wullerstorfien
dc.subjectMg/Ca paleothermometryen
dc.subjectCarbonate ion effecten
dc.subjectCore top calibrationen
dc.subjectTimor Seaen
dc.subjectMakassar Straiten
dc.subjectG Geography (General)en
dc.subjectGE Environmental Sciencesen
dc.titleRefining C. wuellerstorfi and H. elegans Mg/Ca temperature calibrationsen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. Bell-Edwards Geographic Data Instituteen
dc.contributor.institutionUniversity of St Andrews. School of Geography & Sustainable Developmenten
dc.description.statusPeer revieweden

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