Airborne expendable bathythermograph: Difference between revisions
From Glossary of Meteorology
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Revision as of 16:23, 26 January 2012
airborne expendable bathythermograph[edit | edit source]
(Abbreviated AXBT.) An expendable instrument that is dropped from an aircraft and used to measure the profile of temperature in the water column.
The probe consists of a thermistor in a weighted, streamlined case. It falls freely at a fixed, known rate so that the elapsed time can be converted to depth. It is connected by a thin, freely unwinding wire to a small buoy with a radio transmitter through which the data are transmitted to the aircraft, which continues its flight.
