Niobium profile data

Pacific Ocean 45° 00' N, 164° 55' E

Depth (m)

Nb (pmol/kg)

0

2.7

21

30

2.8

41

3.6

59

3.2

87

3.1

112

2.6

136

3.2

155

3.0

175

2.8

200

3.0

301

3.2

408

3.7

502

4.2

601

3.6

799

4.2

1009

4.1

1217

3.9

1507

3.5

2024

3.9

2529

3.6

3027

3.7

4037

3.8

5054

3.8

Sohrin, Y., Fujishima, Y., Ueda, K., Akiyama, S., Mori, K., Hasegawa, H., and Matsui, M., 1998.

Dissolved niobium and tantalum in the North Pacific. Geophys. Res. Lett. 25: 999-1002.