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Detecting Coral Reef Bleaching with High Resolution Satellite Imagery Products

Howland Island

Original Images

REFERENCE IMAGEREFERENCE IMAGEEVENT IMAGEReef Outline
9 DEC 200315 AUG 200514 FEB 2007REEF BASE
howland 03 howland 05 howland 07 howland

Co-Registered and Normalized Images

REFERENCE IMAGEEVENT IMAGE
15 AUG 200514 FEB 2007
howland 05 crop howland 07 crop
The 2003 images was considered too wavy, so it was not used as a reference image.

Difference

Howland 07 - 05 This image has been equalized to enhance contrast. The gold hue indicates coral bleaching.

Highlights

Howland 07 highlight
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