Stations
Seasons
DBO5
COD
Chl a
St1
GSP
1.04
0.02
0.2
26
116
9.6
PSS
0.47
0.03
0.1
19
52
7.6
PSP
0.72
0.04
0.1
44
67
19.2
GSS
0.45
0.01
0.2
24
62
15.9
St2
GSP
1.3
0.02
0.2
29
78
11.4
PSS
0.76
0.02
0.1
31
83
9.8
PSP
0.81
0.03
0.2
35
89
18.4
GSS
0.44
0.01
0.3
21
88
15.2
St3
GSP
2.2
0.02
0.3
17
43
15.5
PSS
1
0.03
0.2
39
107
9.3
PSP
1.21
0.04
0.1
32
67
27.1
GSS
0.87
0.02
0.5
33
76
16.6
Average
0.94
0.024
0.21
29.17
77.33
14.63
Standard deviation (σ)
0.49
0.01
0.12
8.15
21.17
5.51
σ/moy (%)
52
41
57
27
27
37