Table 4. Table showing marine localities (coastal and deep-sea sediments) where anaerobic methane oxidation (AMO) is an important process.
 
Location Maximum
AMO rate
(µmol cm-3 yr-1)
Method Depth
to SMI
(mbsf)
Sulfate depletion
due to AMO
(%)
Lightest
13C-C02
(PDB)
13C-organic matter
(PDB)
Reference

Coastal Marine:















Amazon Shelf (OST-2)

--

Model CH4

0.60-0.67

--

-29 (at SMI)

-22

Blair and Aller (1995)

Cape Lookout Bight (Coastal North Carolina)

70-510
--

Labeled S*O4

--
0.05

--
--

--
-10 to -15 (at SMI)

--
--

Crill and Martens (1987)
Blair et al. (1993)



2.9

Labeled C*H4

--

--

--

--

Alperin et al. (1992)



4.4-5.5

Labeled C*H4

0.05-0.12

--

--

--

Hoehler et al. (1994)



--

--

--

--

-5 to -15 (at SMI)

-19.2 ±0.2

Boehme et al. (1996)

Kysing Fjord, Denmark

0.017-0.102

Labeled C*H4

0.01-0.05

0.01-0.06

--

--

Iversen and Blackburn (1981)

Jutland and Kuttegat, Denmark

2.0-4.0
2-6.6

Labeled C* Labeled S*O4

0.2-1.3

10-17

--

--

Iversen and Jorgensen (1985)

Long Island Sound

0.65

Model CH4

0.15-0.80

--

--

--

Martens and Berner (1977)

Skan Bay, Alaska

1.8-3.4

Labeled C*

0.18

5-20

-19 to -21 (at SMI)

-21

Reeburgh (1980)



3.65

Labeled C*H4




--

--

Alperin and Reeburgh (1984)



5-20

Labeled C*H4




--

--

Alperin et al. (1988)



29

Labeled C*H4




--

--

Alperin et al. (1992)

Saanich Inlet, Vancouver

--

--

<0.15-0.30

--

--

-20 to -24

Brown et al. (1972)



--

--

<0.10-0.85

--

-37.1 (near SMI)

--

Nissenbaum et al. (1972)




Model SO4

0.17-0.24

75

--

--

Murray et al. (1978)



35-78

Labeled S*O4

0.17

30-70

--

--

Devol and Ahmed (1981)



1.7-7

Labeled C*H4

--

--

--

--

Devol (1983)



35-70

Labeled S*O4





--

--





2.6-6.6

Labeled C*H4

0.12

23-40

--

--

Devol et al. (1984)



17-52

Labeled S*O4





--

--





30

Model CH4





--

--





30

Model SO4





--

--



Santa Barbara Basin

0.232 (46 cm zone)

Model

0.90-2.1

--

--

--

Barnes and Goldberg (1976)



0.128 (mean)

Labeled acetate

--

--

--

--

Kosiur and Warford (1979)

Deep Sea:













Black Sea (BS5-10)

(4.6-9.5) x 10-4

Labeled C*H4

Anoxic water column

--

--

--

Reeburgh et al. (1991)



--

--



--

--

-22 to -27

Fry et al. (1991)

Cariaco Trench

0.55-1.59

Model CH4

0.55-0.70

50

--

--

Reeburgh (1976)



(10 cm zone)

--

--

--

--

-19 to -21

Fry et al. (1991)

Gulf of Mexico
(DSDP Site 88)

--

--

5-54

--

-30 (4 mbsf)

--

Presley et al. (1973)

Blake Ridge
(DSDP Site 533)

--

--

9.8-14.4

--

-31.4 (14 mbsf)

--

Claypool and Threlkeld (1983)

Blake Ridge
(ODP Site 995)

0.005

Model CH4

20

~33

-37.7 (20 mbsf)

-21 (mean)

This paper

Norwegian Sea
(ODP Site 644)

--

--

6-22

--

-31.8 (22 mbsf)

--

Vuletich et al. (1989)

Sulu Basin (ODP Site 768)

--

--

~172

--

-34 (172 mbsf)

--

von Breymann et al. (1991)

Nankai Trough
(ODP Site 808)

--
--

--
--

3-13.8
--

--
--

-29.8 (3 mbsf)
--

--
-23 to -25

Gamo et al. (1993)
Berner and Koch (1993)

Offshore Namibia

--

Flux calculation

3.5-10

40-100

--

--

Niewohner et al. (1998)

Note: * = radioisotopes. SMI = Sulfate/methane interface, PDB = Peedee belemnite standard. -- = not measured.