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Drone aerial view of researchers coring in a blue hole in the Bahamas.

Drone aerial view of researchers coring in a blue hole in the Bahamas.
Drone aerial view of researchers coring in a blue hole in the Bahamas.
Drone aerial view of researchers coring in a blue hole in the Bahamas.
Drone aerial view of researchers coring in a blue hole in the Bahamas.
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432289
Sullivan, Richard
Drone aerial view of researchers coring in a blue hole in the Bahamas.
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05/09/2008
Thatchpoint_Bluehole_7.jpg
Caption from Oceanus magazine, Vol. 53, No. 2, pg. 10:
WHOI researchers position their pontoon boat directly in a blue hole in the Bahamas to extract cores of seafloor sediments. The blue patches amid turquoise waters are created by large sinkholes on the seafloor, which are ideal basins to catch clues left behind by past hurricanes.
Image Of the Day caption:
This is a bird's-eye view of a blue hole in the Bahamas. In the middle of it, WHOI researchers in a pontoon boat prepare to extract cores of sediments that settled to the bottom. Blue holes are naturally occurring deep holes in the seafloor. The dark blue color of the deeper waters in these submerged caverns contrasts dramatically with the sapphire hues of surrounding shallower waters. Blue holes are ideal basins to catch particles swept in by passing hurricanes. Researchers in the WHOI Coastal Systems Group examine the sediments to reveal past patterns of hurricane and ocean temperatures, which can help us predict and prepare for future hurricane activity.
Caption from Oceanus online:
WHOI researchers position their pontoon boat directly in a blue hole in the Bahamas to extract cores of seafloor sediments. Blue holes are naturally occurring geologic formations on the seafloor that are ideal basins to catch clues left behind by ancient hurricanes.
Photo by Richard Sullivan, Texas A&M University at Galveston
© Woods Hole Oceanographic Institution
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