Science Advances

Supplementary Materials

This PDF file includes:

  • fig. S1. Increase in the regional flood protection level required to preserve the current high-end flood risk for the period 2035 to 2044 (realization 16.7 percentile, lower likely range).
  • fig. S2. Increase in the regional flood protection level required to preserve the current high-end flood risk for the period 2035 to 2044 (realization 83.3 percentile, upper likely range).
  • fig. S3. Required adaptation relative to current protection to preserve the current high-end flood risk for the period 2035 to 2044 (realization ensemble median).
  • fig. S4. Affected people in the historic period.
  • fig. S5. Affected people in the future period.
  • fig. S6. Absolute increase in high-end flood risk.
  • fig. S7. Climate model agreement (historic period).
  • fig. S8. Climate model agreement (future period).
  • fig. S9. Hydrological model agreement (historic period).
  • fig. S10. Hydrological model agreement (future period).
  • fig. S11. Example histogram of affected people (in India).
  • fig. S12. Example histogram of affected people (in Egypt).
  • fig. S13. Zoomed-in views of selected metropolitan areas; increase in the regional flood protection level required to preserve the current high-end flood risk for the period 2035 to 2044.
  • fig. S14. Schematic of the method to yield the affected population from discharge.
  • fig. S15. Probability plot correlation coefficient for the preindustrial control run of 439 years as a goodness of (GEV) fit measure.
  • fig. S16. Probability density functions for the fitted GEV distribution at four representative grid cells (hot/cold and wet/dry).
  • fig. S17. Increase in the regional flood protection level required to preserve the current high-end flood risk for the period 2035 to 2044 (realization ensemble median) using the Gumbel distribution for the extreme value fit (cf. Fig. 3 for GEV fit).
  • table S1. Main characteristics of the GHMs as used in this study, based on the study of Warszawski et al. (7).

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Other Supplementary Material for this manuscript includes the following:

  • CSV (comma-separated-values) file of the raw data (Microsoft Excel format)

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