Fig. 2: SIR ice core records.
From: Abrupt Holocene ice loss due to thinning and ungrounding in the Weddell Sea Embayment
a–c, Early Holocene Skytrain ice core δ18O (a), sodium (b) and TAC (c). Top and middle: dark-blue and dark-green lines show 20-year bin averages (a and b). The red lines are the linear fits of the δ18O and sodium records. The raw sodium data are truncated at higher values (Supplementary Fig. 3). The violet and grey bars are the early Holocene δ18O and sodium transitions, respectively. Bottom: the black line is the TAC record on the gas age scale (c). The red lines are the early and late Holocene means.
