Remineralization Ratios
in the Oceans
From Yuan-Hui Li and Tsung-Hung
Peng
Table 1a:
Remineralization ratios based on the WOCE and GEOSECS sections in the Atlantic
Ocean.
|
|
Section |
Latitude |
Station |
q |
rp |
rn |
rp/rn |
b |
rc |
rp/rc |
|
|
number |
(oC) |
(-O2/P) |
(-O2/N) |
(N/P) |
|
(-O2/Corg) |
(Corg/P) |
|
|
|
Redfield |
|
|
|
138 |
8.6 |
16 |
0.83 |
1.30 |
106 |
|
a20 |
42N-33.5N |
12-33 |
3-18 |
142±2 |
8.6±0.1 |
16.5±0.3 |
0.66±0.02 |
1.67±0.06 |
85±2 |
|
33N-13.5N |
34-63 |
3-6 |
132±2 |
8.5±0.2 |
15.5±0.4 |
0.58±0.04 |
1.93±0.15 |
68±2 |
|
|
|
6-12 |
145±3 |
8.7±0.2 |
16.7±0.5 |
0.62±0.02 |
1.79±0.07 |
81±3 |
|
13N-7N |
64-92 |
3-5.2 |
140±3 |
9.6±0.3 |
14.6±0.6 |
0.52±0.02 |
2.15±0.10 |
65±2 |
|
a17 |
6N-0N |
175-235 |
4.2-12 |
125±3 |
7.9±0.1 |
15.8±0.4 |
0.64±0.01 |
1.75±0.04 |
72±2 |
|
0S-25S |
88-174 |
4-12 |
140±2 |
8.5±0.1 |
16.5±0.3 |
0.67±0.01 |
1.65±0.03 |
85±2 |
|
25S-40S |
33-87 |
0.2-3 |
124±3 |
8.0±0.1 |
15.5±0.4 |
0.74±0.01 |
1.48±0.03 |
84±2 |
|
|
|
3-12 |
127±1 |
8.6±0.1 |
14.8±0.2 |
0.66±0.01 |
1.67±0.03 |
76±1 |
|
40S-50S |
5-32 |
0.4-2.6 |
126±4 |
8.5±0.2 |
14.8±0.6 |
0.74±0.01 |
1.48±0.03 |
85±3 |
|
|
|
2.6-12 |
126±2 |
8.8±0.2 |
14.3±0.4 |
0.64±0.01 |
1.73±0.03 |
73±2 |
|
|
|
|
average |
|
|
133±8 |
8.6±0.4 |
15.5±0.8 |
0.65±0.06 |
1.73±0.19 |
77±7 |
|
|
Geosecs |
42N-12N |
27-38 |
2-6 |
132±5 |
7.9±0.3 |
16.7±0.9 |
|
|
|
6-18 |
127±4 |
8.1±0.2 |
15.7±0.6 |
|
9N-8S |
39-49 |
1.8-3.8 |
116±1 |
8.9±0.1 |
13.0±0.2 |
0.70±0.06 |
1.56±0.15 |
74±1 |
|
|
|
3.8-12 |
120±3 |
8.8±0.1 |
13.6±0.4 |
0.71±0.04 |
1.54±0.10 |
78±2 |
|
8.5S-24S |
50-57 |
1.8-4 |
121±2 |
9.0±0.1 |
13.4±0.3 |
|
|
|
3.2-12 |
133±2 |
8.9±0.1 |
14.9±0.3 |
0.69±0.02 |
1.59±0.05 |
84±2 |
|
27S-49S |
59-68 |
2.6-12 |
128±1 |
9.0±0.1 |
14.2±0.2 |
0.71±0.02 |
1.54±0.05 |
83±1 |
|
average |
|
|
126±6 |
8.8±0.6 |
14.5±1.2 |
0.70±0.01 |
1.55±0.02 |
82±5 |
|
|
|
Note: no bottom waters in the Atlantic
Ocean were used in the model calculation, because the change of oxygen
concentration in bottom waters can be explained solely by water mass mixing.
Table
1b: Remineralization ratios based on the WOCE and GEOSECS sections in the
Indian Ocean.
|
|
Section |
Latitude |
Station |
q |
rp |
rn |
rp/rn |
b |
rc |
rp/rc |
|
|
number |
(oC) |
(-O2/P) |
(-O2/N) |
(N/P) |
|
(-O2/Corg) |
(Corg/P) |
|
|
|
Redfield |
|
|
|
138 |
8.6 |
16 |
0.83 |
1.30 |
106 |
|
i8N |
6N-0.5S |
279-303 |
1b-9 |
120±3 |
13.0±0.3 |
9.2±0.3 |
0.79±0.04 |
1.38±0.07 |
87±3 |
|
0.5S-18.5S |
304-343 |
0.9b-8 |
129±2 |
12.6±0.4 |
10.2±0.4 |
0.78±0.04 |
1.39±0.07 |
93±3 |
|
19S-29.5S |
344-393 |
2-8 |
129±1 |
10.4±0.1 |
12.4±0.2 |
0.67±0.03 |
1.64±0.08 |
78±1 |
|
30S-33S |
394-442 |
2-8 |
127±2 |
10.4±0.2 |
12.2±0.3 |
0.69±0.07 |
1.59±0.17 |
80±2 |
i8S |
30S-51S |
4-49 |
2-11 |
133±3 |
9.5±0.3 |
14.0±0.5 |
0.66±0.03 |
1.67±0.08 |
80±3 |
|
51S-63.5S |
50-84 |
* |
130±3 |
8.5±0.2 |
15.3±0.5 |
0.72±0.03 |
1.52±0.07 |
85±3 |
|
i9N |
20N-2.5N |
213-277 |
0.8b-11 |
131±1 |
13.0±0.2 |
10.1±0.2 |
0.77±0.02 |
1.41±0.04 |
93±2 |
|
2N-18.5S |
172-212 |
0.8b-8 |
142±1 |
13.4±0.2 |
10.6±0.2 |
0.76±0.02 |
1.42±0.04 |
100±2 |
|
19S-31S |
148-171 |
2-10 |
134±1 |
10.5±0.2 |
12.8±0.2 |
0.69±0.01 |
1.59±0.03 |
84±1 |
i9S |
34.5S-50S |
114-147 |
2-11 |
152±2 |
9.8±0.2 |
15.5±0.4 |
0.60±0.05 |
1.83±0.17 |
83±2 |
|
50S-64.5S |
85-113 |
** |
129±2 |
8.5±0.1 |
15.2±0.3 |
0.70±0.05 |
1.57±0.12 |
82±2 |
|
Geosecs |
15N-10S |
440-450 |
0.7b-12 |
129±2 |
11.5±0.2 |
11.2±0.3 |
0.73±0.02 |
1.50±0.04 |
86±2 |
|
10S-30S |
436-439 |
0.4b-12 |
137±1 |
10.2±0.1 |
13.4±0.2 |
0.71±0.01 |
1.53±0.02 |
89±1 |
|
39S-63S |
429-434 |
0-2.6 |
126±2 |
9.0±0.1 |
14.0±0.3 |
|
|
|
Note: "b" in the q
column represents the potential temperature of bottom water.
*: q=
(S - 34.74)×3.8/0.24+1.8;
** q=
(S - 34.72)×4/0.12+2 in the q
-S diagram, i.e. samples above the Circumpolar Water;
#: assumes rn
= rp/15 for calculating rc
(= 1/[b
- 0.5(1/rn
+ 1/rp)].
Table
1c: Remineralization ratios based on the WOCE and GEOSECS sections in the
Pacific Ocean.
|
|
Section |
Latitude |
Station |
q |
rp |
rn |
rp/rn |
b |
rc |
rp/rc |
|
|
number |
(oC) |
(-O2/P) |
(-O2/N) |
(N/P) |
|
(-O2/Corg) |
(Corg/P) |
|
|
|
Redfield |
|
|
|
138 |
8.6 |
16 |
0.83 |
1.30 |
106 |
|
p14N |
52N-45N |
20-34 |
1b-4.3 |
176±4 |
13.1±0.4 |
13.4±0.5 |
0.76±0.03 |
1.39±0.06 |
127±5 |
|
45N-26.5N |
35-72 |
1b-12 |
165±3 |
12.0±0.2 |
13.8±0.3 |
0.70±0.01 |
1.53±0.03 |
108±3 |
|
26N-11.5N |
73-102 |
0.8b-6 |
162±4 |
11.6±0.2 |
14.0±0.4 |
0.83±0.02 |
1.28±0.03 |
127±4 |
|
|
|
6-12 |
136±1 |
12.0±0.1 |
11.3±0.1 |
0.82±0.01 |
1.29±0.02 |
105±1 |
|
11N-4N |
103-126 |
0.8b-10.5 |
173±6 |
12.7±0.4 |
13.7±0.6 |
0.85±0.03 |
1.24±0.05 |
140±7 |
|
p15N |
54N-41N |
2-31 |
1b-6 |
174±2 |
12.8±0.1 |
13.6±0.2 |
0.71±0.01 |
1.50±0.02 |
116±2 |
|
40N-26.5N |
32-59 |
1b-12 |
165±4 |
12.5±0.2 |
13.2±0.4 |
0.71±0.02 |
1.50±0.05 |
110±3 |
|
26N-12.5N |
66-87 |
0.8b-6 |
152±6 |
11.7±0.4 |
13.0±0.7 |
0.83±0.03 |
1.28±0.05 |
119±6 |
|
12N-0N |
88-111 |
0.65b-12 |
170±7 |
12.9±0.4 |
13.2±0.7 |
0.80±0.03 |
1.32±0.05 |
129±7 |
|
0S-12S |
115-136 |
0.65b-6 |
165±4 |
12.7±0.1 |
13.0±0.3 |
0.80±0.02 |
1.32±0.04 |
125±5 |
p15S |
9.5S-15.5S |
146-182 |
0.6b-2 |
173±3 |
11.9±0.4 |
14.5±0.6 |
0.87±0.05 |
1.21±0.07 |
143±5 |
|
|
|
2-12 |
128±1 |
8.9±0.1 |
14.4±0.2 |
0.68±0.01 |
1.61±0.03 |
79±1 |
|
16S-42S |
89-145 |
0.5b-2 |
158±4 |
12.0±0.3 |
13.2±0.5 |
0.90±0.08 |
1.17±0.11 |
135±5 |
|
|
|
2-10 |
123±3 |
9.2±0.2 |
13.4±0.4 |
0.62±0.03 |
1.78±0.10 |
69±2 |
|
43S-53S |
61-87 |
1.8-11.3 |
148±1 |
9.9±0.1 |
14.9±0.2 |
0.59±0.01 |
1.87±0.04 |
79±1 |
|
53S-64S |
36-60 |
-1-8* |
136±1 |
9.2±0.1 |
14.8±0.2 |
0.62±0.01 |
1.78±0.03 |
76±1 |
|
p14S |
53S-67S |
4-32 |
1.7-7.6 |
136±4 |
9.3±0.2 |
14.6±0.5 |
0.66±0.02 |
1.66±0.06 |
82±3 |
|
P18 |
16S-28.5S |
82-107 |
1.5-12 |
123±2 |
8.7±0.2 |
14.1±0.4 |
0.61±0.02 |
1.82±0.07 |
67±2 |
|
29S-40.5S |
58-81 |
1.5-6.5 |
129±2 |
10.1±0.2 |
12.8±0.3 |
0.63±0.01 |
1.73±0.03 |
74±2 |
|
54.5S-67S |
10-33 |
2-7 |
131±2 |
8.8±0.3 |
14.9±0.6 |
0.66±0.03 |
1.67±0.09 |
79±3 |
|
Geosecs |
50N-40N |
|
1b-8 |
176±1 |
11.6±0.1 |
15.2±0.2 |
0.74±0.02 |
1.44±0.04 |
122±1 |
|
35N-25.5N |
|
0.9b-12 |
158±2 |
12.1±0.1 |
13.1±0.2 |
0.80±0.03 |
1.32±0.05 |
119±2 |
|
25N-10N |
|
0.8b-6 |
152±4 |
11.6±0.3 |
13.1±0.5 |
|
9N-13.5S |
|
0.6b-12 |
159±5 |
11.8±0.2 |
13.5±0.5 |
0.83±0.05 |
1.27±0.08 |
125±4 |
|
15S-42S |
|
2-12 |
152±5 |
10.0±0.2 |
15.2±0.6 |
|
46.5S-53S |
|
2-12 |
137±3 |
9.9±0.3 |
13.8±0.5 |
|
54S-69S |
|
2-6 |
148±3 |
8.8±0.3 |
16.8±0.7 |
0.70±0.07 |
1.56±0.17 |
95±4 |
|
|
|
Note: "b" in the q
column represents the potential temperature of bottom water.
*: samples above the Circumpolar
Water.
Table 2: Average remineralization ratios of
Table 2: Average remineralization ratios of organic matter in three
major oceans (based only on WOCE data), as normalized to P.
|
|
|
| latitude
| P/P
| N/P
| Corg/P
| -O2/P
| -O2/N
| -O2/Corg
| Corg/N
|
| interval
| | (rp/rn)
| (rp/rc)
| (rp)
| (rn)
| (rc)
| (rn/rc)
|
|
|
|
Redfield
| | 1
| 16
| 106
| 138
| 8.6
| 1.30
| 6.6
|
|
Atlantic
|
| north 45N-5N
| 1
| 16.1±1.0
| 73±8
| 137±7
| 8.5±0.8
| 1.9±0.2
| 4.6±0.6
|
| south 5N-50S
| 1
| 15.2±0.7
| 79±6
| 128±5
| 8.4±0.3
| 1.6±0.1
| 5.2±0.4
|
Indian
|
| equator 20N-20S
| 1
| 10.3±0.7
| 94±5
| 130±7
| 12.7±0.7
| 1.4±0.1
| 9.2±0.5
|
| | 1
| (15±1)
| (92±5)
| 130±7
| (8.7±0.6)
| (1.4±0.1)
| (6.1±0.5)
|
| south 30S-65S
| 1
| 14.8±0.7
| 83±2
| 134±9
| 9.1±0.8
| 1.6±0.1
| 5.6±0.6
|
Pacific
|
| north 55N-10S*
| 1
| 13.3±0.9
| 124±11
| 162±11
| 12.2±0.5
| 1.3±0.1
| 9.2±0.8
|
| | 1
| (15±1)
| (123±11)
| 162±11
| (10.8±0.7)
| (1.3±0.1)
| (8.2±0.8)
|
| south 10S-70S
| 1
| 14.5±1.0
| 78±7
| 136±10
| 9.4±0.5
| 1.7±0.1
| 5.4±0.4
|
|
Southern
| | 1
| 15±1
| 80±3
| 133±5
| 9.0±0.4
| 1.7±0.1
| 5.4±0.3
|
Oceans#
|
|
|
|
Note: values in parenthesis are obtained by assuming
rn = rp/15, i.e. N/P = 15.
* : plus bottom water mass between 10S-40S;
#: average of the south from three oceans.
File translated from TEX by TTH,
version 2.60.
On 10 Dec 2001, 16:40.