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Mooring Recovery Operation
SAFETY MEETINGDave Ralston, left, and Senior Research Assistant Jay Sisson, with a buoy recovered near the mouth of the Merrimack.
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LOST,THEN FOUND?WHOI physical oceanographer Jim Lerczak unbolts the acoustic Doppler current profiler (ADCP) from the last recovered tripod. The circular patterns at the top of the ADCP are the transducers that emit sound. Properties of the backscattered sound are used to determine the current velocity of the overlying water.

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Posted: May 22, 2013

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