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Plankton sampling platforms used in the twilight zone.

Plankton sampling platforms used in the twilight zone.
Plankton sampling platforms used in the twilight zone.
Plankton sampling platforms used in the twilight zone.
Plankton sampling platforms used in the twilight zone.
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78894
Cook, John E.
Plankton sampling platforms used in the twilight zone.
Illustration
04/18/2007
graphics/To_IMS/TwilightZone.jpg
Illustration for Ken Buesseler.
Caption from Oceanus magazine, Vol. 45, No. 2, Pg. 14:
Particles sinking from sunlit surface waters through the ocean’s dimly lit twilight zone are swept sideways by currents. Conventional moored or tethered traps designed to catch the particles are like “rain gauges in hurricanes,” said WHOI geochemist Ken Buesseler. He and engineer Jim Valdes are designing a new generation neutrally buoyant untethered vehicle called the Twilight Zone Explorer, which is swept along with the currents. It surfaces periodically to relay data via satellite.
Illustration by Jack Cook
© Woods Hole Oceanographic Institution
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