Deglacial to Holocene variations in ostracodes from ODP site 1055 indicative of surface productivity, compared with proxy records for atmosphere and surface-water changes in North Atlantic region. GISP2 δ18O (19) (a), KNR158-4-21MC/22GGC percent detrital CaCO3 (23) (b), and ODP 1055 Eucythere (c), and Polycope relative abundance (d). Gray plots, calculations based on raw ostracode census dataset black plots, calculations based on three-point moving sum census dataset.