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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).
Ocean profile, plankton data, and metadata are available in the World Ocean Database for 29 depth-dependent variables (physical and biochemical) and 11 instruments types: Ocean Station Data (OSD), Mechanical Bathythermograph (MBT), Expendable Bathythermograph (XBT), Conductivity, Temperature, Depth (CTD), Undulating Oceanographic Recorder (UOR ...
A bathometer (also bathymeter) is an instrument for measuring water depth. [1] [2] It was previously used mainly in oceanographical studies, but is rarely employed nowadays. The term originates from Greek βαθύς (bathys), "deep" and μέτρον (métron), "measure".
There are various devices to measure ocean temperatures at different depths. These include the Nansen bottle, bathythermograph, CTD, or ocean acoustic tomography. Moored and drifting buoys also measure sea surface temperatures. Examples are those deployed by the Global Drifter Program and the National Data Buoy Center.
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 ]
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Weather stations typically have these following instruments: Thermometer for measuring air and sea surface temperature; Barometer for measuring atmospheric pressure; Hygrometer for measuring humidity; Anemometer for measuring wind speed; Pyranometer for measuring solar radiation; Rain gauge for measuring liquid precipitation over a set period ...
Major contributor to redesigning the bathythermograph during World War II. His version could be used on submarines to detect the ocean thermocline. [2]