Fig. 2: Multi-proxy evidence for variability in the Wilkes Subglacial Basin during the Holocene and Last Interglacial.
From: Multiple episodes of ice loss from the Wilkes Subglacial Basin during the Last Interglacial
a–e and f–j Multi-proxy data for the Holocene and Last Interglacial (LIG), respectively. a, f δ18O records from EPICA Dome C (EDC) ice core (thin and bold black lines are the raw signals and weighted smoothing, respectively)39. b, g δ18O records from Talos Dome ice core (thin and bold orange lines are the raw signals and weighted smoothing, respectively)39. c, h Authigenic 10Be/9Be ratios from core GC1407 (red squares, this study) (error bars are 1 s.d.). d, i Detrital sediment Nd isotopes (εNd) from core GC1407 (dark blue diamonds, this study) and core U1361A (light blue diamonds)17 (error bars are 2 s.d.). e, j Iceberg rafted debris (IBRD, percent 250 µm–2 mm) from core GC1407 (dark green circles, this study) and core U1361A (light green circles)17. Light blue and dark blue dashed lines in i indicate the core top εNd value of U1361A and GC1407, respectively. Yellow bars indicate two episodes of inferred Wilkes Subglacial Basin ice mass loss during the early and late LIG.
