Table 1 Production of FDOM (unit: RU) in the Arctic Ocean sediments (*BW represents bottom water.

From: Production of fluorescent dissolved organic matter in Arctic Ocean sediments

FDOM

S1

S2

S3

S4

BW*

4.1 mbsf**

Net increase

BW

3.5 mbsf

Net increase

BW

4.9 mbsf

Net increase

BW

10.5 mbsf

Net increase

C1

0.0

62.3

62.3

0.0

0.9

0.9

0.0

1.9

1.9

0.0

0.4

0.4

C2

0.0

25.7

25.7

0.0

0.4

0.4

0.0

1.8

1.8

0.1

0.5

0.4

C3

0.0

17.9

17.9

0.0

0.2

0.2

0.0

1.3

1.2

0.1

0.3

0.3

C4

0.4

24.5

24.1

0.3

4.8

4.5

0.9

2.1

1.2

0.7

1.9

1.2

  1. **SMTZ depth. Net increase = valueindicated depth − valueBW).