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Jeff Donnelly, Tyler Winkler and Pete van Hengstum on a makeshift coring raft.

Jeff Donnelly, Tyler Winkler and Pete van Hengstum on a makeshift coring raft.
Jeff Donnelly, Tyler Winkler and Pete van Hengstum on a makeshift coring raft.
Jeff Donnelly, Tyler Winkler and Pete van Hengstum on a makeshift coring raft.
Jeff Donnelly, Tyler Winkler and Pete van Hengstum on a makeshift coring raft.
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(18°28′0″N, 77°24′41″W)
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287980
D'Entremont, Nicole
Jeff Donnelly, Tyler Winkler and Pete van Hengstum on a makeshift coring raft.
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08/23/2016
IMG_20160828_150355.jpg
R/V Atlantis cruise AT37-01, Discovery Bay, Jamaica, Jeff Donnelly, Chief Sci.
Image Of the Day caption:
WHOI coastal geologist Jeff Donnelly, Texas A&M University at Galveston graduate student Tyler Winkler, and Winkler's advisor, geologist Pete van Hengstum (left to right) pause for a photo during a research expedition in Discovery Bay, Jamaica. Donnelly and his colleagues worked off this small floating platformand the much larger research vessel Atlantisto collect sediment cores from ancient flooded sinkholes known as blue holes. Donnelly analyzes the sediment layers to create a timeline of past hurricanes based on the debris the storms have left behind.
Caption from Oceanus magazine, Vol. 52, No. 2, pg. 45:
With WHOI's research vessel Atlantis anchored in Discovery Bay off Jamaica, a team of WHOI scientists is towed on a small boat to a blue hole in shallower waters. They use long pipes to core into sediments that settled to the bottom of the blue hole. The sediments contain forensic clues that the scientists use to reveal past patterns of hurricane and ocean temperatures, which can help us predict and prepare for hurricane activity in the future.
Photo by Nicole D'Entremont
© Woods Hole Oceanographic Institution
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