319
The Carbonate System
0
500
1000
1500
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
Pressure (db)
0
500
1000
1500
Pressure (db)
0
500
1000
1500
60°S
40°S
20°S
0
20°N
40°N
Pressure (db)
Ω Calcite P16: Nov 2005 to Mar 2006
Ω Calcite P16: Mar 1991 to Oct 1992
(a)
(b)
(c)
Ω Calcite P16: 2006–1992
Latitude
Ω CALC
2.5
2.0
1.5
1.0
0.5
0.0
–0.5
–1.5
–1.0
–2.0
–2.5
–3.0
Ω CALC
Figure 7.58
The changes in the saturation horizons of calcite in the Pacific Ocean along the P16 cruise. (Feely, R.A., et al.,
Global Biogeochem. Cycles, 2012. With permission.)
The Carbonate System
0
500
1000
1500
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
Pressure (db)
0
500
1000
1500
Pressure (db)
0
500
1000
1500
60°S
40°S
20°S
0
20°N
40°N
Pressure (db)
Ω Calcite P16: Nov 2005 to Mar 2006
Ω Calcite P16: Mar 1991 to Oct 1992
(a)
(b)
(c)
Ω Calcite P16: 2006–1992
Latitude
Ω CALC
2.5
2.0
1.5
1.0
0.5
0.0
–0.5
–1.5
–1.0
–2.0
–2.5
–3.0
Ω CALC
Figure 7.58
The changes in the saturation horizons of calcite in the Pacific Ocean along the P16 cruise. (Feely, R.A., et al.,
Global Biogeochem. Cycles, 2012. With permission.)