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The CTD measures conductivity, temperature, and depth. It contains a temperature sensor and a conductivity sensor. It is capable of obtaining real-time data. The CTD is connected to an onboard computer and can process data into graphical displays. A large number of seawater parameters including salinity, density, and sound velocity can be computed from CTD data. These photographs were taken from the RV Cape Hatteras.

Click on a thumbnail photo to view a full screen image.

S4 current meter | Shipek | Millicore filter | CTD | Box core | Rock dredge | Secchi disk | Otter trawl | ROV | CRAB | LARC | GPS

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©1998, Alec M. Bodzin for the Science Junction, NC State University. All rights reserved.

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