Extended Data Fig. 1: Bathymetric map of the South Indian Ocean.
From: Zonally asymmetric changes in the Antarctic Circumpolar Current strength over the past million years
The oceanic fronts (red lines) are indicated after Park et al10. NB, Northern Boundary; SAF, Subantarctic Front; PF, Polar Front; SACCF, Southern ACC Front; SB, Southern Boundary. The symbols used are dots for SS-based, diamonds for magnetic grain-based, and triangles for benthic foraminifer-based reconstructions78,80,81,82,83 (see Supplementary Table 1). SWR, Southwest Indian Ridge; SEIR, Southeast Indian Ridge; CR, Conrad Rise; KP, Kerguelen Plateau;EPR, East Pacific Rise; PAR,Pacific Antarctic Ridge; DP, Drake Passage. Bathymetry map from GMRT62 under a Creative Commons license CC BY 4.0.
