Depth (in) Depth to nearest meter. A postscript T indicates depth was obtained thermo- 



metrically ; Z indicates uncorrected "wire out" depth. Postscript Q indicates 

 value was marked doubtful by originator ; P indicates value was considered 

 doubtful by NODC. Postscripts P and Q retain this meaning throughout the 

 following entries. 



T °C. Temperature to hundredths of a degree Centigrade. 



S °/„„ Salinity in parts-per-thousand. 



SIGMA-T Entered to hundredths. 



Specific-volume Multiply entry by ]0 ' to ol)t;un .specific-volume anomly in cubic centimeters per 



gram. 



2AD Dyn. M. x 10' Multiply entry by 10"' to olitain anomly of dynamic height in dynamic meters 



referenced to the sea surface. 



Sound Velocity Sound velocity according to Wilson's formula entered to tenths of a meter per second. 



O2 ml/1 Dissolved oxygen in milliliters per liter entered to hundredths. 



PO«-P ug-at/1 Inorganic phosphate in micrograni-atoms per liter entered to hundredths. 



Total-P ug-at/1 Total phosphorus in micrograra-atoms per liter entered to hundredths. 



NO:-N ug-at/1 Nitrite-nitrogen in microgram-atoms per liter entered to hundredths. 



NOj-N ug-at/1 Nitrate-nitrogen in microgram-atoms per liter entered to tenths. 



SiO.-Si ug-at/1 Silicate-silicon in microgram-atoms per liter entered to whole units. 



CHL-A Chlorophyll-A (total pigment) in milligrams per cubic meter entered to hundredths. 



91 



