The study’s lead author Patrick Martin (second from right) and WHOI marine chemist Ben Van Mooy (left) with their colleagues working around a water sampling rosette. (Photo courtesy of Ben Van Mooy, Woods Hole Oceanographic Institution)

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The study's lead author Patrick Martin (second from right) and WHOI marine chemist Ben Van Mooy (left) with their colleagues working around a water sampling rosette. (Photo courtesy of Ben Van Mooy, Woods Hole Oceanographic Institution)