A vanload of new WHOI “D2” ocean-bottom seismographs is readied for field testing. The D2s are small and light, for easy deployment and recovery. With a six-month battery capacity, they are designed for relatively short-term experiments. The D2s are available to scientists through the newly created National Ocean-Bottom Seismograph Instrumentation Pool. WHOI Senior Engineer Ken Peal, who helped design the D2, is in the background. (Photo by Victor Bender, Woods Hole Oceanographic Institution)[back]
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