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Frequency of Future Coral Reef Bleaching Events in the 2030s and 2050s
The map depicts the frequency of future bleaching events in the 2030s and 2050s, as represented by the percentage of years in each decade where a NOAA Bleaching Alert Level 2 (i.e., severe thermal stress) is predicted to occur. Predictions are based on an IPCC A1B (business-as-usual) emissions scenario and adjusted to account for historical temperature variability, but not adjusted by any other resistance or resilience factors. Data were adapted from Donner, S.D. 2009. “Coping with Commitment: Projected thermal stress on coral reefs under different future scenarios.” PLoS ONE 4(6): e5712 for use in the Reefs at Risk Revisited project.