Data Sources

This visualization features 2010 Degree Heating Weeks data from the NOAA Coral Reef Watch program, which are based on sea-surface temperature measurements taken every three days from the AVHRR sensor on NOAA's polar-orbiting satellites. Coral reef locations are from the World Resource Insitute's Reefs at Risk Revisited report, The coral bleaching observations are derived from reports to ReefBase and the NOAA Coral Reef Watch program.