Records of export production (EP) from the surface ocean link primary productivity to burial and provide critical information about the strength of the biological pump and its relationship to carbon storage over climate transitions (see Sigman & Boyle, 2000 and references therein). However, changes in productivity over glacial-deglacial transitions are not yet well constrained (Carter et al., 2020;Loubere, 1999). Previous studies in the equatorial Pacific have alternately stated that productivity was greater during glacial periods (Herguera

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