Bibliographical noteFunding Information:
We thank NERC (reference: CC010) and NEIF (www.isotopesuk.org) for funding and maintenance of the instrumentation used for this work. We thank S. Blackbird at the University of Liverpool for technical assistance with the TOC analyses. This research was carried out with funding from the European Research Council under the European Union’s Seventh Framework Programme (FP/2007-2013) and European Research Council Grant Agreement number 340923 “The greenhouse earth system” T-GRES (awarded to R.D.P.). Further funding was provided by the Royal Society as part of a Tata University Research Fellowship to B.D.A.N. and the associated enhancement award that funded V.L. Climate model simulations were carried out using the computational facilities of the Advanced Computing Research Centre, University of Bristol, and were supported by NERC (grant number NE/L002434/1).
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Susan L Pywell (Manager), Simon A Burbidge (Other), Polly E Eccleston (Other) & Simon H Atack (Other)