Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Ensemble drought agreement and comparison of NASW PDSI indices.
  • Fig. S2. Global mean temperature from PHYDA.
  • Fig. S3. Energy balance model estimates of the historical, global mean forced climate response.
  • Fig. S4. SOM analysis using six SOM nodes.
  • Fig. S5. SOM analysis using 12 SOM nodes.
  • Fig. S6. Temperature and PDSI composite over the megadroughts.
  • Fig. S7. Power spectra comparisons.
  • Fig. S8. Cross-correlation comparisons.
  • Fig. S9. NINO3.4 correlation maps.
  • References (53, 54)

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