Science Advances
Supplementary Materials
This PDF file includes:
- fig. S1. PDSI for central Mongolia (99° to 107°E, 46° to 49°N) from observational
and reanalysis data.
- fig. S2. KLP tree ring chronology used to develop the reconstruction is robust back
to 49 BCE.
- fig. S3. ULP tree ring chronology used to develop the reconstruction is robust back
to 488 CE.
- fig. S4. The two tree ring chronologies are both high-fidelity recorders of past
drought for Mongolia.
- fig. S5. Upper and lower RMSE of the PDSI reconstruction.
- fig. S6. Quantile-quantile fits of duration and severity for pluvials and droughts.
- fig. S7. Pluvial and drought analysis using adjusted SD reconstruction.
- References (43–45)
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