An Examination of Vertical Sampling Methods and 

 Their Influence on Dynamic Height Calculations 



Illustrations 



Figure Page 



1D.-4D. Vertical distribution of temperature and salinity for 



stations 9400, 9252, 926S and 9270 71 



5D.-6D. Vertical distribution of temperature, salinity and 



density for station 9244 74 



7D. Dynamic height errors between two stations and the 



residting calculated current velocity error 75 



8D. Vertical distribution of temperature, salinity and specific 



volume anomaly for station 9399 76 



9D. Example of error introduced by straight line numerical 

 integration of a smooth curve of specific \-olume 

 anomaly 76 



lOD.-llD. Vertical distribution of temperature, salinity and 

 specific volume anomaly for stations 9399, 9386 and 

 9248 \ 77 



12D. Vertical distribution of specific volume anomaly and 

 the resulting error from straight line nun)erical inte- 

 gration of the curve 78 



Tables 



ID. Comparison of the nmnber of Nansen bottles used be- 

 tween standard depth and gradient sampling 79 



IID. Standard deviations between standard depths and 



gradient sampling dynamic height computation 79 



HID. Errors in dynamic heights determined from the meas- 

 urement of areas between straight line numerical 

 integration and a smooth curve 79 



IVD. Instrument measurement error 80 



VD. Thermometer comparisons 80 



