Based on 66 surface sediment samples collected in the SW Atlantic Ocean between 27 and 50°S, this study presents an overview of the spatial distribution of biogenic opal and diatom concentrations, and
3000fullhisy: raw data to reproduce Fig. 2 ppsdspec.npz: all spectrogram as shown in Fig. 3a AllVelMods: All velocity model shown in Fig. 3b ac.out.final.npz: auto-correlation image in Fig
