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Image : Marine Chemistry & Geochemistry

VERTIGO program
FIGURE 1: An array of sampling technologies were utilized in the VERTIGO program to follow the fate of particles sinking from sunlit surface waters through the ocean’s dimly lit twilight zone.  In particular, Ken Buesseler and engineer Jim Valdes designed a new-generation neutrally buoyant untethered vehicle called the Twilight Zone Explorer, that is swept along with the currents and surfaces periodically to relay data via satellite. (Illustration by Jack Cook, Woods Hole Oceanographic Institution)


Last updated: July 10, 2009

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