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Oil seep traces at the ocean water surface.

Oil seep traces at the ocean water surface.
Oil seep traces at the ocean water surface.
Oil seep traces at the ocean water surface.
Oil seep traces at the ocean water surface.
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148845
Reddy, Christopher
Oil seep traces at the ocean water surface.
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09/17/2009
graphics/seeps09/oil/DSC_5365.JPG
Image of The Day caption:
Oil spills aren't pretty, but this one is perfectly natural. WHOI scientist Chris Reddy and colleagues from the University of California, Santa Barbara, have been studying areas off the Santa Barbara coast where oil seeps naturally out of the seafloor. They have even discovered "asphalt volcanoes"areas where seeping oil hardened and piled into dome-like mounds (see audio slideshow). In their work, the scientists used the deep-sea robot Sentry, equipped with a portable underwater mass spectrometer to detect telltale chemicals in the water. Seven months later, that experience came in handy when the scientists used the same apparatus to investigate deepwater plumes of hydrocarbons spewing from the Macondo well in the Deepwater Horizon disaster.
Photo by Christopher Reddy
© Woods Hole Oceanographic Institution
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