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File: climate-data-conductivity-measurement-depth-cdt (1).png

File name: climate-data-conductivity-measurement-depth-cdt (1).png
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Alternate Text: A cylindrical frame holding a series of sample bottles is guided by two people over the edge of a ship and into the water
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A cylindrical frame holding a series of sample bottles is guided by two people over the edge of a ship and into the water

Image caption

Crew of the NOAA Ship PISCES recover a large CTD-rosette. CTD stands for Conductivity, Temperature, Depth measurement instrument. The sample bottles are filled with water from various depths. Image Credit: Courtesy of Officers and Crew of NOAA Ship PISCES; Collection of Commander Jeremy Adams, NOAA Corps.