The role of the southern ocean in uptake and storage of anthropogenic carbon dioxide

Science

Volumn 287, Issue 5453, 2000, Pages 620-622

  Caldeira, Ken ^a   Duffy, Philip B ^a  

^a LAWRENCE LIVERMORE NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CARBON DIOXIDE; SURFACE WATER;

AIR-SEA INTERACTION; ANTHROPOGENIC SOURCE; CARBON CYCLE; CARBON DIOXIDE;

ARTICLE; DENSITY; DISPERSION; GLOBAL CLIMATE; MODEL; PRIORITY JOURNAL; SEA;

SOUTHERN OCEAN;

EID: 0034723386     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.287.5453.620     Document Type: Article

References (28)

1. J. L. Sarmiento and E. T. Sundquist, Nature 356, 589 (1992); C. D. Keeling, S. C. Piper, M. Heimann, in Aspects of Climate Variability in the Pacific and Western American, vol. 55 of Geophysical Monograph Series, D. H. Peterson, Ed. (American Geophysical Union, Washington, DC, 1989), pp. 305-363; P. P. Tans, I. Y. Fung, T. Takahashi, Science 247, 1431 (1990).
2. J. L. Sarmiento and E. T. Sundquist, Nature 356, 589 (1992); C. D. Keeling, S. C. Piper, M. Heimann, in Aspects of Climate Variability in the Pacific and Western American, vol. 55 of Geophysical Monograph Series, D. H. Peterson, Ed. (American Geophysical Union, Washington, DC, 1989), pp. 305-363; P. P. Tans, I. Y. Fung, T. Takahashi, Science 247, 1431 (1990).
3. J. L. Sarmiento and E. T. Sundquist, Nature 356, 589 (1992); C. D. Keeling, S. C. Piper, M. Heimann, in Aspects of Climate Variability in the Pacific and Western American, vol. 55 of Geophysical Monograph Series, D. H. Peterson, Ed. (American Geophysical Union, Washington, DC, 1989), pp. 305-363; P. P. Tans, I. Y. Fung, T. Takahashi, Science 247, 1431 (1990).
4. C. L. Sabine et al., Global Biogeochem. Cycles 13, 179 (1999).
5. E. Maier-Reimer and K. Hasselmann, Clim. Dyn. 2, 63 (1987).
6. U. Siegenthaler and J. L. Sarmiento, Nature 365, 119 (1993).
7. J. L. Sarmiento, J. C. Orr, U. Siegenthaler, J. Geophys. Res. 97, 3621 (1992); J. L. Sarmiento, C. Le Quere, S. W. Pacala, Global Biogeochem. Cycles 9, 121 (1995).
8. J. L. Sarmiento, J. C. Orr, U. Siegenthaler, J. Geophys. Res. 97, 3621 (1992); J. L. Sarmiento, C. Le Quere, S. W. Pacala, Global Biogeochem. Cycles 9, 121 (1995).
9. J. L. Sarmiento, T. M. C. Hughes, R. J. Stouffer, S. Manabe, Nature 393, 245 (1998).
10. N. Gruber, J. L. Sarmiento, T. S. Stocker, Global Biogeochem. Cycles 10, 809 (1996).
11. N. Gruber, Global Biogeochem. Cycles 12, 165 (1998).
12. A. Poisson and C.-T. Chen, Deep Sea Res. Part A 34, 1255 (1987); P. P. Murphy, R. A. Freely, R. H. Gammon, K. C. Kelly, L. S. Waterman, Mar. Chem. 35, 77 (1991).
13. A. Poisson and C.-T. Chen, Deep Sea Res. Part A 34, 1255 (1987); P. P. Murphy, R. A. Freely, R. H. Gammon, K. C. Kelly, L. S. Waterman, Mar. Chem. 35, 77 (1991).
14. P. B. Duffy and K. Caldeira, Geophys. Res. Lett. 24, 1323 (1997); K. Caldeira and P. B. Duffy, Geophys. Res. Lett. 25, 1003 (1998). Our simulations tend to have slow and shallow North Atlantic Deep Water, but they represent the Southern Ocean relatively well.
15. P. B. Duffy and K. Caldeira, Geophys. Res. Lett. 24, 1323 (1997); K. Caldeira and P. B. Duffy, Geophys. Res. Lett. 25, 1003 (1998). Our simulations tend to have slow and shallow North Atlantic Deep Water, but they represent the Southern Ocean relatively well.
16. R. Pacanowski, K. Dixon, A. Rosati, The G.F.D.L Modular Ocean Model Users Guide version 1.0, GFDL Ocean Group Technical Report 2 (NOAA/Geophysical Fluid Dynamics Laboratory, Princeton, NJ, 1991).
17. J. M. Oberhuber, J. Phys. Oceanogr. 23, 808 (1993).
18. P. B. Duffy, M. Eby, A. J. Weaver, Geophys. Res. Lett. 26, 1739 (1999).
19. D. G. Martinson, J. Geophys. Res. 95, 11641 (1990). The horizontal sizes of regions of brine-induced convection are very small in comparison to the grid cells in our model. Thus, a first-order representation of this subgrid-scale convection process is to sink rejected salt without mixing other tracers (10, 13).
20. F. Joos, G.-K. Plattner, T. F. Stocker, O. Marchal, A. Schmittner, Science 284, 464 (1999); R. J. Matear and A. C. Hirst, Tellus Ser. B 51, 722 (1999).
21. F. Joos, G.-K. Plattner, T. F. Stocker, O. Marchal, A. Schmittner, Science 284, 464 (1999); R. J. Matear and A. C. Hirst, Tellus Ser. B 51, 722 (1999).
22. R. Wanninkhof, J. Geophys. Res. 97, 7373 (1992).
23. S. Levitus and T. P. Boyer, Temperature, vol. 4 of World Ocean Atlas 1994, NOAA Atlas NCSDIS 4 (National Oceanographic Data Center, Silver Spring, MD, 1994).
24. K. Bryan, J. Phys. Oceanogr. 14, 666 (1984).
25. 2 concentrations in the Southern Ocean.
26. W. S. Broecker, S. Sutherland, T.-H Peng, Science 286, 1132 (1999).
27. These conclusions are echoed by a study showing deep convection to play a subordinate role in tracer transport in the North Atlantic [A. J. Watson et al., Nature 401, 902 (1999)].
28. We thank N. Gruber, R. M. Key, and C. L. Sabine for their insightful papers and access to the data underlying them. K.C. was supported by the NASA Oceanography Program and the U.S. Department of Energy Center for Research on Ocean Carbon Sequestration. P.B.D. was supported by the Lawrence Livermore National Laboratory Laboratory Directed Research and Development program.