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Tom DeCarlo diving on a reef to recover an instrument.

Tom DeCarlo diving on a reef to recover an instrument.
Tom DeCarlo diving on a reef to recover an instrument.
Tom DeCarlo diving on a reef to recover an instrument.
Tom DeCarlo diving on a reef to recover an instrument.
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294092
Lohmann, G. P.
Tom DeCarlo diving on a reef to recover an instrument.
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08/02/2015
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Image Of the Day caption:
MIT-WHOI Joint Program student Thomas DeCarlo recovers a data logger that recorded temperatures on Dongsha Atoll during a recent bleaching event. Water temperatures on Dongsha, a coral reef ecosystem in the northern South China Sea, increased by 6°C in June 2015 as a local wind and wave anomaly amplified El Niño-driven warming of the open ocean surrounding the atoll. DeCarlo, his advisor WHOI scientist Anne Cohen, and project dive master Pat Lohmann witnessed the start of the bleaching event and returned two weeks later to find 40 percent of the corals already dead. DeCarlo is now a postdoctoral researcher at the University of Western Australia.
Caption from Oceanus magazine, Vol. 53, No. 1, pg. 23:
From a boat from the Dongsha Atoll Research Station, graduate student Tom DeCarlo dives to retrieve a sensor that recorded data on ocean conditions during a widespread coral bleaching event off Dongsha Atoll in the South China Sea. When seawater temperatures rise, the colorful symbiotic algae that live in corals depart, revealing corals' underlying white skeletons. The bleached corals below are partially dead, as indicated by the tufts of green algae that quickly overgrow dead corals.
Caption from WHOI News Release dated 03/23/2017:
Thomas DeCarlo diving to recover a temperature data logger that holds vital information about the local amplification of thermal stress that sparked the bleaching and mortality event.
Photo by Pat Lohmann
© Woods Hole Oceanographic Institution
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