Parent Layer: Global

Name: Pixels that Experienced Thermal Stress (1998-2007)

Display Field: VALUE

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Description: Grid cells classified by estimated severe thermal stress (1998-2007). Values of 0 indicate no stress, Values of 1 indicate severe thermal stress. Severe thermal stress is defined as a NOAA Bleaching Alert Level 2 (DHW is greater than 8) that occurred at least once during the period of 1998 to 2007, or an observation of severe coral bleaching from ReefBase between 1998 and 2007. See technical notes for more information.

Copyright Text: World Resources Institute, Reefs at Risk Revisited, 2011, incorporating bleaching observations (1998-2007) from ReefBase with UNEP-WCMC Bleaching Data, WorldFish Center, www.reefbase.org, 2009; and satellite-detected thermal stress (1998-2007) from National Oceanic and Atmospheric Administration, Coral Reef Watch, Degree Heating Weeks data (calculated from NOAA’s National Oceanographic Data Center Pathfinder Version 5.0 SST dataset), http://coralreefwatch.noaa.gov, 2010.

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