Science Advances

Supplementary Materials

This PDF file includes:

  • fig. S1. A comparison of oxygen and carbon isotope data of the HTTL section.
  • fig. S2. Unmixing of backfield IRM curves of the HTTL samples.
  • fig. S3. The smoothed end-member reflectance spectra (left) and its first derivative spectra (right) for the HTTL samples.
  • fig. S4. A comparison of power spectrum of full (lower) and truncated (upper) insolation for July at 35°N (73).
  • fig. S5. A comparison of HIRM and L ratio for the HTTL samples.
  • table S1. Age tie points used to establish the age model for the HTTL section.

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Other Supplementary Material for this manuscript includes the following:

  • data set S1 (Microsoft Excel format). HTTL section paleoclimatic data in Fig. 4.

Files in this Data Supplement: