21
22
23
24
25
26
27
28
500
400
300
200
100
0
Dive
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
9180: Potential Density Profiles
Potential Density Anomaly, σ​
0
​
[kg m​
−3
​
]
Pressure [dBar]