Table 1 Physico-chemical parameters measured in the Cariaco Basin during the study

A

Oxic

230

17.90

36.43

0.0738^†

ND

Interface

270

17.69

36.39

0.0688

1.22

Anoxic

900

17.03

36.26

0.0653

51.47

B

Oxic

235

17.83

36.42

0.0711^†

ND

Interface

275

17.63

36.38

0.0674

0.69

Anoxic

670

17.06

36.27

0.0646

ND

Station

Zone

Depth (m)

Temperature (°C)

Salinity (PSU)

Dissolved O₂ (mL/L)

*H₂S (μM)

A

Oxic

100

21.08

36.79

3.2116

ND

Interface

300

17.64

36.36

0.0157

5.39

Anoxic

400

17.46

36.33

0.0113

14.3

500

17.23

36.29

0.0113

25.55

B

Oxic

215

17.97

36.41

0.0245^†

ND

Interface

260

17.75

36.38

0.0122

6.62

290

17.70

36.37

0.0129

7.07

Anoxic

325

17.57

36.35

0.0131

11.09

640

17.10

36.26

0.0186

38.46

D

Oxic

40

23.85

36.88

4.0087

ND

180

18.18

36.45

0.5738

ND

Interface

270

17.80

36.39

0.0135

0.21

Anoxic

365

17.52

36.34

0.0197

13.31

500

17.40

36.33

0.0196

18.86