Profile, Isodepth: 



Profile, Isothermal: 



Profile, Temperature : 



Plot of temperature versus time with depth as the parameter. 

 Also called isodepth charts, isodepth profiles; sometimes 

 called isobaric profiles. 



Plot of depth versus time with temperature as the parameter. 

 Also called isothermal charts and plots. 



Usually refers to BTgms. 

 profile. 



Incorrectly refers to isothermal 



Readings: 

 Reading, Average: 

 Readings, Zero Depth: 



Reading Error: 

 Regression Line: 



Reproducibility : 



Residual : 



Discreet values or sets of values as read from the BTgms. 



Arithmetic mean of several values as read from BTgms. 



Temperature values as read from the BTgms corresponding 

 to the surface of the ocean or abscissa coordinate labeled zero 

 feet in depth. 



See Error, Reading. 



A straight line plotted among a scatter diagram of points 

 (plotted to determine the extent of correlation between two 

 variables) in such a way as to make the sum of the squares 

 of the vertical distances from the points to the line a minimum. 



A measure of the closeness with which a measuring instrument 

 will repeat its response to the same set of conditions. A 

 measure of the closeness with which a series of repeated 

 values resemble each other. See also Precision. 



The difference between the most probable value and any in- 

 dividual measurement of the series. 



Salinity: 



Sensing Element: 



Sensing Element, Pressure: 



Sensing Element, 

 Temperature: 



Set: 



Set Variation : 

 Simultaneous Plot: 



The total amount of solid matter in grams contained in one 

 kilogram of sea water when all of the carbonate has been 

 converted to oxide, the bromine and iodine replaced by chlo- 

 rine, and all organic matter completely oxidized. 



Physical equipment which responds by change in some one 

 of its characteristics to temperature, depth, or salinity. 



Evacuated spring loaded compression bellows. Change of 

 depth compresses or expands the bellows, changing the po- 

 sition of the BT slide. 



Copper tubing filled with liquid and connected to a Bourdon 

 tube. Change of temperature causes the liquid in the copper 

 tube to expand or contract, transmitting the developed pres- 

 sure to the Bourdon tube. 



Mathematical Value, both with magnitude and sign, which 

 describes the amount by which the measured temperatures 

 or depths depart from the true, or most probable, or cali- 

 brated value. 



See "Variation in Set. 



See Plot, Simultaneous. 



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