Fig. 1: Seasonal difference in sea-ice area over the ACR and the past 20 years around Antarctica, showing the locations of marine sediment core PS97/072-1 and ice core EPICA Dome C.
From: Carbon drawdown by algal blooms during Antarctic Cold Reversal from sedimentary ancient DNA
The mean area (approximately 15 million km2) between 1981 and 2010 of winter–summer sea-ice difference is shown in light grey56. The modelled difference between winter sea-ice area (sea-ice extent up to 55° S in winter) and summer sea-ice area (sea-ice extent up to 70° S) during the ACR is shown as a gradient grey area and reaches up to 20 million km2 (ref. 8). EDC, EPICA Dome C. Basemap created with the SCAR Antarctic Digital Database version 7.0 (ref. 57), part of Quantarctica 3.2 (ref. 58).
