Physical Oceanography Laboratory: Equipment

  • XBT (expendable bathythermograph)

    The expendable bathythermograph, or XBT, is a device for obtaining a record of temperature as a function of depth from a moving ship. Temperature is measured with a thermistor within an expendable, weighted casing. Depth is determined by a priori knowledge of the rate at which the casing sinks and the time of each recorded […]

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