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. 2018 Sep 3;376(2130):20170072. doi: 10.1098/rsta.2017.0072

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© 2018 The Author(s)

Published by the Royal Society. All rights reserved.

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Figure 4. — Ocean carbonate chemistry reconstructions derived from planktonic foraminiferal B/Ca records (a–c). B/Ca records are presented for ODP sites 1209 (black circles) [10], 689 (open light green squares), 690 (solid green squares), Bass River (solid blue triangles) [11], Ancora (light blue triangles) and DSDP 401 (orange squares) [12]. Seawater anomalies are relative to average pre-CIE values and are based on sensitivity determined in modern photosymbiont-bearing planktonic foraminifera species O. universa under simulated Palaeocene seawater chemistry [53]. (Online version in colour.)

Inline graphic — Ocean carbonate chemistry reconstructions derived from planktonic foraminiferal B/Ca records (a–c). B/Ca records are presented for ODP sites 1209 (black circles) [10], 689 (open light green squares), 690 (solid green squares), Bass River (solid blue triangles) [11], Ancora (light blue triangles) and DSDP 401 (orange squares) [12]. Seawater anomalies are relative to average pre-CIE values and are based on sensitivity determined in modern photosymbiont-bearing planktonic foraminifera species O. universa under simulated Palaeocene seawater chemistry [53]. (Online version in colour.)