Fig. 1: Sites locations and climate records on the Iberian Margin.

a Sites locations. The black lines mark the estimated ice sheet edge during the Marine Isotope Stage (MIS) 698. The orange lines in the ocean are the trajectories of ice rafted debris40. The dark blue lines represent the position of Fleuve Manche99. The FIS, BIIS, and LIS are the Fennoscandian ice sheet, British Isles ice sheet, and Laurentide ice sheet, respectively. b The alkenone-based reconstructions on the Iberian Margin4,5. The shaded area represents the period of interest in this work.