Establishing the “hockey stick” for ocean acidification with high-resolution, centennial-scale pH reconstructions

Zhekai Tang1, Graeme MacGilchrist1, Prof. Alex J Poulton2, Sang Chen3, Andrea Burke1 and James William Buchanan Rae1, (1)University of St Andrews, School of Earth and Environmental Sciences, St Andrews, United Kingdom, (2)Heriot-Watt University, The Lyell Centre, Edinburgh, United Kingdom, (3)Shanghai Jiao Tong University, School of Oceanography, Shanghai, China