Figure 4: Comparison of oceanic and atmospheric proxy records.
From: Radiocarbon constraints on the extent and evolution of the South Pacific glacial carbon pool
ΔΔ14C-values (ocean–atmosphere) of (a) the intermediate Pacific region; PS75/104-1 and SO213-84-1 (this study); MD97–2120 (ref. 15) (green line: Bounty Trough); MV99-MC19/GC31/PC08 (ref. 12) (black line: Northeast Pacific); (b) CDW ΔΔ14C; PS75 and SO213 records (this study); MD97–2121 (ref. 6) (light blue line: north of Chatham Rise); U9385 (red square: Bounty Trough); Coral dredges8 (red line: Drake Passage); MD07-3076 (ref. 4 (brown line: South Atlantic); and Modern SW-Pacific UCDW ΔΔ14C (ref. 67) (pink triangle). (c) Atmospheric CO2 concentrations1 (red line); WAIS δ18O record69 (orange line) and atmospheric Δ14C-values20 (black line). UCDW, Upper Circumpolar Deep Water.
