The role of stratification-dependent mixing for the stability of the atlantic overturning in a global climate model

Journal of Physical Oceanography

Volumn 37, Issue 11, 2007, Pages 2672-2681

  Marzeion, Ben ^a   Levermann, Anders ^b   Mignot, Juliette ^c  

^a BJERKNES CENTRE FOR CLIMATE RESEARCH   (Norway)

^b POTSDAM INSTITUTE FOR CLIMATE IMPACT RESEARCH   (Germany)

^c UNIVERSITÉ PIERRE ET MARIE CURIE   (France)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC TEMPERATURE; BUOYANCY; CLIMATOLOGY; DIFFUSION; HEAT TRANSFER; THERMAL STRATIFICATION;

FRESHWATER FORCING; MERIDIONAL OVERTURNING CIRCULATION; STRATIFICATION-DEPENDENT VERTICAL DIFFUSIVITY;

TIDES;

CLIMATE MODELING; DIFFUSIVITY; GLOBAL CLIMATE; HEAT TRANSFER; MERIDIONAL CIRCULATION; OCEANIC CONVECTION; STRATIFICATION; VERTICAL MIXING;

ATLANTIC OCEAN; ATLANTIC OCEAN (NORTH);

EID: 34548367025     PISSN: 00223670     EISSN: None     Source Type: Journal    
DOI: 10.1175/2007JPO3641.1     Document Type: Article

References (40)

1. Broecker, W. S., and T. Peng, 1982: Tracers in the Sea. Eldigio Press, 690 pp.
2. Church, J. A., and Coauthors, 2001: Changes in sea level. Climate Change 2001: The Scientific Basis, J. T. Houghton et al., Eds., Cambridge University Press, 640-693.
3. Clarke, P. U., N. G. Pisias, T. F. Stocker, and A. J. Weaver, 2002: The role of the thermohaline circulation in abrupt climate change. Nature, 415, 863-869.
4. Fichefet, T., and M. Maqueda, 1997: Sensitivity of a global sea ice model to the treatment of ice thermodynamics and dynamics. J. Geophys. Res., 102, 12 609-12 646.
5. Ganopolski, A., and S. Rahmstorf, 2001: Rapid changes of glacial climate simulated in a coupled climate model. Nature, 409, 153-158.
6. Gargett, A. E., and G. Holloway, 1984: Dissipation and diffusion by internal wave breaking. J. Mar. Res., 42, 15-27.
7. Gnanadesikan, A., 1999: A simple predictive model for the structure of the oceanic pycnocline. Science, 283, 2077-2079.
8. Gregg, M. C., 1989: Scaling turbulent dissipation in the thermocline. J. Geophys. Res., 94, 9686-9698.
9. Hasumi, H., and N. Suginohara, 1999: Effects of locally enhanced vertical diffusivity over rough bathymetry on the world ocean circulation. J. Geophys. Res., 104, 23 367-23 374.
10. Hoffert, M. I., and W. S. Broecker, 1978: Apparent vertical eddy diffusion rates in the pycnocline of the Norwegian Sea as determined from the vertical distribution of tritium. Geophys. Res. Lett., 5, 502-504.
11. Hofmann, M., and M. Maqueda, 2006: Performance of a second-order moments advection scheme in an ocean general circulation model. J. Geophys. Res., 111, C05006, doi:10.1029/2005JC003279.
12. Huang, R. X., 1999: Mixing and energetics of the oceanic thermohaline circulation. J. Phys. Oceanogr., 29, 727-746.
13. Klinger, B.A., and J. Marotzke, 1999: Behavior of double-hemisphere thermohaline flows in a single basin. J. Phys. Oceanogr., 29, 382-399.
14. Kösters, F., R. H. Käse, A. Schmittner, and P. Herrmann, 2005: The effect of Denmark Strait overflow on the Atlantic meridional overturning circulation. Geophys. Res. Lett., 32, L04602, doi:10.1029/2004GL022112.
15. Kuhlbrodt, T., A. Griesel, M. Montoya, A. Levermann, M. Hofmann, and S. Rahmstorf, 2007: On the driving processes of the Atlantic meridional overturning circulation. Rev. Geophys., 45, RG2001, doi:10.1029/2004RG000166.
16. Large, W. G., J. C. McWilliams, and S. C. Doney, 1994: Oceanic vertical mixing: A review and a model with nonlocal boundary layer parameterization. Rev. Geophys., 32, 363-403.
17. Levermann, A., and A. Griesel, 2004: Solution of a model for the oceanic pycnocline depth: Scaling of overturning strength and meridional pressure difference. Geophys. Res. Lett., 31, L17302, doi:10.1029/2004GL020678.
18. Manabe, S., and R. Stouffer, 1995: Simulation of abrupt climate change induced by freshwater input to the North Atlantic Ocean. Nature, 378, 165-167.
19. Marotzke, J., and J. Scott, 1999: Convective mixing and the thermohaline circulation. J. Phys. Oceanogr., 29, 2962-2970.
20. Marotzke, J., and B. A. Klinger, 2000: The dynamics of equatorially asymmetric thermohaline circulations. J. Phys. Oceanogr., 30, 955-970.
21. Marzeion, B., and H. Drange, 2006: Diapycnal mixing in a conceptual model of the Atlantic Meridional Overturning Circulation. Deep-Sea Res. II, 53, 226-238.
22. Mignot, J., A. Levermann, and A. Griesel, 2006: A decomposition of the Atlantic meridional overturning circulation into physical components using its sensitivity to vertical diffusivity. J. Phys. Oceanogr., 36, 636-650.
23. Montoya, M., A. Griesel, A. Levermann, J. Mignot, M. Hofmann, A. Ganopolski, and S. Rahmstorf, 2005: The earth system model of intermediate complexity CLIMBER-3α. Part I: Description and performance for present day conditions. Climate Dyn., 25, 237-263.
24. Munk, W., and C. Wunsch, 1998: Abyssal recipes II: Energetics of tidal and wind mixing. Deep-Sea Res. I, 45, 1977-2010.
25. Nilsson, J., and G. Walin, 2001: Freshwater forcing as a booster of thermohaline circulation. Tellus, 53A, 629-641.
26. Nilsson, J., G. Broström, and G. Walin, 2003: The thermohaline circulation and vertical mixing: Does weaker density stratification give stronger overturning? J. Phys. Oceanogr., 33, 2781-2795.
27. Oliver, K. I. C., A. J. Watson, and D. P. Stevens, 2005: Can limited ocean mixing buffer rapid climate change? Tellus, 57A, 676-690
28. Petoukhov, V., A. Ganopolski, V. Brovkin, M. Claussen, A. Eliseev, C. Kubatzki, and S. Rahmstorf, 2000: CLIMBER 2: A climate system model of intermediate complexity. Part I: Model description and performance for present climate. Climate Dyn., 16, 1-17.
29. Prather, M. J., 1986: Numerical advection by conservation of second-order moments. J. Geophys. Res., 91, 6671-6681.
30. Rahmstorf, S., 1996: On the freshwater forcing and transport of the Atlantic thermohaline circulation. Climate Dyn., 12, 799-811.
31. Rahmstorf, S., 2002: Ocean circulation and climate during the past 120,000 years. Nature, 419, 207-214.
32. Rahmstorf, S., and Coauthors, 2005: Thermohaline circulation hysteresis: A model intercomparison. Geophys. Res. Lett., 32, L23605, doi:10.1029/2005GL023655.
33. Rehmann, C. R., and T. F. Duda, 2000: Diapycnal diffusivity inferred from scalar microstructure measurements near the New England shelf/slope front. J. Phys. Oceanogr., 30, 1354-1371.
34. Rind, D., G. Russell, G. Schmidt, S. Sheth, D. Collins, P. deMenocal, and J. Teller, 2001: Effects of glacial meltwater in the GISS coupled atmosphere-ocean model. 2. A bipolar seesaw in Atlantic deep water production. J. Geophys. Res., 106, 27 355-27 366.
35. Sarmiento, J. L., H. W. Feely, W. S. Moore, A. E. Bainbridge, and W. S. Broecker, 1976: The relationship between vertical eddy diffusion and buoyancy gradient in the deep sea. Earth Planet. Sci. Lett., 32, 357-370.
36. Scott, J. R., J. Marotzke, and P. H. Stone, 1999: Interhemispheric thermohaline circulation in a coupled box model. J. Phys. Oceanogr., 29, 351-365.
37. Stocker, T.F., and D. G. Wright, 1991: Rapid transitions of the ocean's deep circulation induced by changes in surface water fluxes. Nature, 351, 729-732.
38. Stouffer, R.J., and Coauthors, 2006: Investigating the causes of the response of the thermohaline circulation to past and future climate changes. J. Climate, 19, 1365-1387.
39. Vellinga, M., R.A. Wood, and J.M. Gregory, 2002: Processes governing the recovery of a perturbed thermohaline circulation in HadCM3. J. Climate, 15, 764-780.
40. Zickfeld, K., A. Levermann, M.G. Morgan, T. Kuhlbrodt, S. Rahmstorf, and D. W. Keith, 2007: Present state and future fate of the Atlantic meridional overturning circulation as viewed by experts. Climatic Change, 82, 235-265.