Supplement to: Foster, Gavin L (2008): Seawater pH, pCO2 and [CO3 [2-] ] variations in the Caribbean Sea over the last 130 kyr: A boron isotope and B/Ca study of planktic foraminifera. Earth and Planetary Science Letters, 271(1-4), 254-266, https://doi.org/10.1016/j.epsl.2008.04.015