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Pacific Ocean 34 N, 165 W

Atlantic Ocean 40 N, 20 W

Depth (m)

Temp C

Salinity

K (mmol/kg)

Depth (m)

Temp C

Salinity

K (mmol/kg)

10

23.497

34.553

10.51

11

20.723

35.941

10.94

50

16.772

34.467

10.48

38

18.264

35.976

10.95

100

13.873

34.443

10.47

68

15.357

35.915

10.94

199

12.045

34.319

10.43

107

14.258

35.910

10.93

298

10.589

34.226

10.40

147

13.750

35.852

10.92

395

8.978

34.105

10.36

206

13.211

35.777

10.89

598

5.612

33.990

10.33

305

12.496

35.680

10.86

792

4.218

34.138

10.38

404

11.803

35.585

10.83

994

3.458

34.279

10.42

600

10.550

35.443

10.79

1233

2.942

34.420

10.46

798

9.720

35.502

10.80

1491

2.544

34.510

10.49

996

8.632

35.538

10.82

1730

2.254

34.567

10.51

1195

7.566

35.488

10.80

1970

2.001

34.600

10.52

1394

6.511

35.381

10.77

2223

1.810

34.625

10.53

1593

5.282

35.198

10.71

2467

1.686

34.641

10.53

1940

4.088

35.038

10.66

2712

1.602

34.653

10.54

2291

3.516

34.989

10.64

2957

1.544

34.663

10.54

2640

3.087

34.960

10.63

3447

1.488

34.674

10.54

2989

2.826

34.945

10.63

3934

1.477

34.681

10.55

3335

2.663

34.929

10.62

4421

1.494

34.685

10.55

3679

2.591

34.917

10.62

4909

1.528

34.688

10.55

4028

2.552

34.909

10.62

5391

1.576

34.690

10.55

4373

2.520

34.902

10.62

5700

1.615

34.690

10.55

4721

2.541

34.901

10.62

4847

2.547

34.902

10.62

Salinity data from eWOCE Atlas

Pacific = Cruise 18DD9403/1, Station W043

Atlantic = Cruise 32OC202/1, Station 50

Potassium was estimated from the formula 530.2*Salinity/1.80655/(1000-1.81578*Salinity/1.80655)

where 1.80655 is the Salinity/Chlorinity ratio and 530.2 is the number of moles of Chlorinity -

Millero, F., 1974. Seawater as a multicomponent electrolyte solution, in The Sea, Vol. 5, E. Goldberg, ed.,

Wiley, pp. 3-80.