11 
Sigma-0 [kg/m3] Sigma-0 [kg/m3] 
Fig. 5: Frequency distribution of the sample depth. 
27 
24 
23 
30 - 
. . . ..... . I .... . . 
28 - 
26 - 
* 
24 - 
22 - 
20 - 
*»# 
18 - 
16 - 
14 - 
sfMS 
12 - 
ft# 
10 - 
8 - 
6 - 
4 - 
2 - 
34 
"H" 
35 36 
Salinity 
37 
Fig. 6: Example of the statistical quality control. Rejected observations are shown in red 
(salinity check), yellow (temperature check), and green (sample depth check)