coral-luminescent-bands

A slice of Great Barrier Reef coral under ultraviolet light shows annual luminescent banding that provides a history of freshwater river floods. Reproduced courtesy of Eric Matson, Australian Institute of Marine Science.

A slice of Great Barrier Reef coral under ultraviolet light shows annual luminescent banding that provides a history of freshwater river floods. Reproduced courtesy of Eric Matson, Australian Institute of Marine Science.