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The bathythermograph, or BT, also known as the Mechanical Bathythermograph, or MBT; [1] is a device that holds a temperature sensor and a transducer to detect changes in water temperature versus depth down to a depth of approximately 285 meters (935 feet).
A thermo-hygrograph. A thermo-hygrograph or hygrothermograph is a chart recorder that measures and records both temperature and humidity (or dew point).Similar devices that record only one parameter are a thermograph for temperature and hygrograph for humidity.
She headed the Bathythermograph Unit beginning in February 1957, analyzing ocean temperature changes at various depths, over time and space, using computers to manage the large data sets involved. [ 9 ] [ 10 ] [ 11 ] Her work had applications in tracking submarines, tuna migration, and hurricanes, among other fields. [ 8 ]
Major contributor to redesigning the bathythermograph during World War II. His version could be used on submarines to detect the ocean thermocline. [2]
expendable bathythermograph (XBT) sampling lines to study changes in heat content of the upper ocean In-Situ Sea Level Measurements upgrading and installing new sea-level gauges to calibrate altimetry measurements Drifting Buoys and Floats
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The earliest idea for a bathometer is due to Leon Battista Alberti (1404–1472) who sunk a hollow sphere attached to some ballast with a hook. When the ball reached the bottom it detached from the ballast and resurfaced.
Warren White is a professor emeritus, and a former Research Oceanographer at the Marine Biological Research Division at Scripps Institution of Oceanography at UC San Diego. [1]