North AtlanticGloborotalia inflatacoretop Mg/Ca calibrations and temperature reconstructions over Termination I

Farmer, EJ, Chapman, MR and Andrews, JE (2010) North AtlanticGloborotalia inflatacoretop Mg/Ca calibrations and temperature reconstructions over Termination I. IOP Conference Series: Earth and Environmental Science, 9. 012019. ISSN 1755-1307

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Abstract

Mg/Ca ratios from planktonic foraminifera are widely used as an independent proxy for ocean temperature. The choice of calibration is vital for reconstructing meaningful temperatures. We present preliminary results based on a new Mg/Ca-temperature calibration (Mg/Ca = 0.92e0.039T) for the thermocline-dwelling foraminifera Globorotalia inflata, derived using a suite of North Atlantic coretops. The downcore Mg/Ca record from core SU90–03 (40°N, 32°W) was used to compare how our new and existing calibrations performed for the Holocene and over the large scale change associated with Termination I.

Item Type: Article
Faculty \ School: Faculty of Science > School of Environmental Sciences
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Date Deposited: 05 Mar 2012 09:43
Last Modified: 23 Mar 2019 00:54
URI: https://ueaeprints.uea.ac.uk/id/eprint/37823
DOI: 10.1088/1755-1315/9/1/012019

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