Science Advances

Supplementary Materials

The PDF file includes:

  • Supplementary Text
  • Fig. S1. Modern SST distribution in the EEP.
  • Fig. S2. Existing Pacific SST records covering the Pliocene-Pleistocene period, in comparison with the new CT reconstruction (ΔSST1337–846).
  • Fig. S3. Turning points in ΔSST1337–846 and U1337 and 846 SST records determined by RAMPFIT.
  • Fig. S4. Comparisons of SST and ΔSST1337–846 reconstructions with alternative calibration equations.
  • Fig. S5. The frequency distribution of SST anomalies between 3 and 8 Ma ago from site U1337.
  • Fig. S6. Tropical SST contrast between the western and eastern Pacific from various proxies.
  • Fig. S7. Various versions of reconstructed meridional SST gradients and EEP thermocline.
  • Legends for tables S1 to S3
  • References (4951)

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Other Supplementary Material for this manuscript includes the following:

  • Table S1 (Microsoft Excel format). Applied SST correction for paleolocation migration at sites 846, 847, 850, 1241, U1337, and U1338.
  • Table S2 (Microsoft Excel format). SST records from sites U1337, 846, U1338, 850, 847, and 1241, with corrections applied, and SST gradient between sites U1337 and 846 based on two calibrations.
  • Table S3 (Microsoft Excel format). Observed SST gradients among sites 806, 1241, U1337, and 846 in modern period.

Files in this Data Supplement: