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CTD

The CTD (standing for Conductivity-Temperature-Depth) is a vital tool for oceanographers. It measures the temperature and salinity of the water as it...
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The Bongo Net

WHOI scientist Carin Ashjian is hard at work studying zooplankton populations as an indicator of water currents and plant distribution in the Chukchi...
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Van Veen Grab

The Van Veen Grab is an instrument used to collect sediment from the ocean floor. It's a clamshell bucket made of stainless steel that's lowered...
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Ice Day

Science on Ice:  Some people are drilling holes in the ice to learn what's going on beneath it, others taking ice core samples to learn what's in...