Semi-adiabatic model of the deep stratification and meridional overturning

Journal of Physical Oceanography

Volumn 41, Issue 4, 2011, Pages 757-780

  Radko, Timour ^a   Kamenkovich, Igor ^b  

^a NAVAL POSTGRADUATE SCHOOL   (United States)

^b UNIVERSITY OF MIAMI   (United States)

Author keywords

Atlantic Ocean; Gyres; Meridional overturning circulation; Southern Ocean

Indexed keywords

ADIABATIC PROCESS; ANALYTICAL MODEL; ANALYTICAL TRACTABILITY; ANTARCTIC CIRCUMPOLAR CURRENT; ATLANTIC OCEAN; DYNAMIC COUPLINGS; GYRES; LARGE-SCALE CIRCULATION; LATERAL BOUNDARY; MERIDIONAL OVERTURNING CIRCULATIONS; MERIDIONAL TRANSPORT; MIDLATITUDE OCEAN; MIDLATITUDES; NORTH ATLANTIC DEEP WATER FORMATIONS; SEA SURFACES; SMALL-SCALE MIXING; SOUTHERN OCEAN; SURFACE FORCING; WESTERN BOUNDARY CURRENTS;

EDDY CURRENTS; MATHEMATICAL MODELS; OCEANOGRAPHY; STREAM FLOW;

THREE DIMENSIONAL;

ADIABATIC PROCESS; ADVECTION; ANALYTICAL METHOD; BOUNDARY LAYER; BUOYANCY; CIRCUMPOLAR CURRENT; EDDY; GYRE; MERIDIONAL CIRCULATION; MIDLATITUDE ENVIRONMENT; NORTH ATLANTIC DEEP WATER; OVERTURN; SEA SURFACE TEMPERATURE; STRATIFICATION; THERMOCLINE; THERMODYNAMICS; WESTERN BOUNDARY CURRENT;

ATLANTIC OCEAN; SOUTHERN OCEAN;

EID: 79958711410     PISSN: 00223670     EISSN: None     Source Type: Journal    
DOI: 10.1175/2010JPO4538.1     Document Type: Article

References (54)

1. Bryan, F., 1987: Parameter sensitivity of primitive equation ocean general circulation models. J. Phys. Oceanogr., 17, 970-985.
2. Cushman-Roisin, B., 1987: On the role of heat flux in theGulf Stream-Sargasso Sea subtropical gyre system. J. Phys. Oceanogr., 17, 2189-2202.
3. Doney, S. G., W. G. Large, and F. O. Bryan, 1998: Surface ocean fluxes and water mass transformations in the coupled NCAR climate system model. J. Climate, 11, 1420-1441.
4. Donners, J., and S. S. Drijfhout, 2004: The Lagrangian view of South Atlantic exchange in a global ocean model compared with inverse model results. J. Phys. Oceanogr., 34, 1019-1035.
5. Gent, P. R., and J. C. McWilliams, 1990: Isopycnal mixing in ocean circulation models. J. Phys. Oceanogr., 20, 150-155.
6. Gnanadesikan, A., 1999: A simple predictive model for the structure of the oceanic pycnocline. Science, 283, 2077-2079.
7. Gnanadesikan, A., and R. W. Hallberg, 2000: On the relationship of the Circumpolar Current to Southern Hemisphere winds in coarseresolution ocean models. J. Phys. Oceanogr., 30, 2013-2034.
8. Gnanadesikan, A., R. D. Slater, and B. L. Samuels, 2003: Sensitivity of water mass transformation to subgridscale mixing in coarse-resolution ocean models. Geophys. Res. Lett., 30, 1967, doi:10.1029/2003GL018036.
9. Gregg, M. C., 1987: Diapycnal mixing in the thermocline:Areview. J. Geophys. Res., 92, 5249-5286.
10. Hallberg, R. W., and A. Gnanadesikan, 2001: An exploration of the role of transient eddies in determining the transport of a zonally re-entrant current. J. Phys. Oceanogr., 31, 3312-3330.
11. Hallberg, R. W., and A. Gnanadesikan, 2006: The role of eddies in determining the structure and response of the wind-driven Southern Hemisphere overturning: Results from the Modeling Eddies in the Southern Ocean (MESO) project. J. Phys. Oceanogr., 36, 2232-2252.
12. Hasumi, H., and N. Suginohara, 1999: Atlantic deep circulation controlled by heating in the Southern Ocean. Geophys. Res. Lett., 26, 1873-1876.
13. Henning, C. C., and G. Vallis, 2004: The effects of mesoscale eddies on the main subtropical thermocline. J. Phys. Oceanogr., 34, 2428-2443.
14. Henning, C. C., and G. Vallis, 2005: The effects of mesoscale eddies on the stratification and transport of an ocean with a circumpolar channel. J. Phys. Oceanogr., 35, 880-896.
15. Huang, R. X., and H. Stommel, 1990: Cross sections of a two-layer inertial Gulf Stream. J. Phys. Oceanogr., 20, 907-911.
16. Johnson, G. C., and H. L. Bryden, 1989: Onthe size of the Antarctic Circumpolar Current. Deep-Sea Res., 36, 39-53.
17. Kamenkovich, I. V., and E. S. Sarachik, 2004: Mechanisms controlling the sensitivity of the Atlantic thermohaline circulation to the parameterization of eddy transports in an ocean GCM. J. Phys. Oceanogr., 34, 1628-1647.
18. Karsten, R., H. Jones, and J. Marshall, 2002: The role of eddy transfer in setting the stratification and transport of a circumpolar current. J. Phys. Oceanogr., 32, 39-54.
19. Keeling, R. F., 2002: On the freshwater forcing of the thermohaline circulation in the limit of low diapycnal mixing. J. Geophys. Res., 107, 3077, doi:10.1029/2000JC000685.
20. Klinger, B. A., S. Drijfhout, J. Marotzke, and J. Scott, 2003: Sensitivity of basin-widemeridional overturning to diapycnal diffusion and remote wind forcing in an idealized Atlantic-Southern Ocean geometry. J. Phys. Oceanogr., 33, 249-266.
21. Ledwell, J. R., A. J. Watson, and C. S. Law, 1993: Evidence for slow mixing across the pycnocline from an open ocean tracer-release experiment. Nature, 364, 701-703.
22. Luyten, J. R., and H. Stommel, 1986: Gyres driven by combined wind and buoyancy flux. J. Phys. Oceanogr., 16, 1551-1560.
23. Luyten, J. R., J. Pedlosky, and H. Stommel, 1983: The ventilated thermocline. J. Phys. Oceanogr., 13, 292-309.
24. Marshall, J., and T. Radko, 2003: Residual-mean solutions for the Antarctic Circumpolar Current and its associated overturning circulation. J. Phys. Oceanogr., 33, 2341-2354.
25. Marshall, J., and T. Radko, 2006: A model of the upper branch of the meridional overturning of the Southern Ocean. Prog. Oceanogr., 70, 331-345.
26. Marshall, J., D. Olberts, H. Ross, and D. Wolf-Gladrow, 1993: Potential vorticity constraints on the dynamics and hydrography of the Southern Ocean. J. Phys. Oceanogr., 23, 465-487.
27. McDermott, D. A., 1996: The regulation of northern overturning by Southern Hemisphere winds. J. Phys. Oceanogr., 26, 1234-1255.
28. Meredith, M. P., and A. M. Hogg, 2006: Circumpolar response of Southern Ocean eddy activity to a change in the Southern Annular Mode. Geophys. Res. Lett., 33, L16608, doi:10.1029/2006GL026499.
29. Munk, W., 1966: Abyssal recipes. Deep-Sea Res., 13, 707-730.
30. Nikurashin, M., and G. Vallis, 2011: A theory of deep stratification and overturning circulation in the ocean. J. Phys. Oceanogr., in press.
31. Olbers, D., D. Borowski, C. Volker, and J. O. Wolff, 2004: The dynamical balance, transport and circulation of the Antarctic Circumpolar Current. Antarct. Sci., 16, 439-470.
32. Pedlosky, J., 1986: The buoyancy and wind-driven ventilated thermocline. J. Phys. Oceanogr., 16, 1077-1087.
33. Radko, T., 2005: Analytical solutions for the ACC and its overturning circulation. J. Mar. Res., 63, 1041-1055.
34. Radko, T., 2007:Amechanism for establishment and maintenance of the meridional overturning in the upper ocean. J. Mar. Res., 65, 85-116.
35. Radko, T., and J. Marshall, 2004a: Eddy-induced diapycnal fluxes and their role in the maintenance of the thermocline. J. Phys. Oceanogr., 34, 372-383.
36. Radko, T., and J. Marshall, 2004b: The leaky thermocline. J. Phys. Oceanogr., 34, 1648-1662.
37. Radko, T., and J. Marshall, 2006: The Antarctic Circumpolar Current in three dimensions. J. Phys. Oceanogr., 36, 651-669.
38. Radko, T., P. Dare, and I. Kamenkovich, 2008: Inferring the pattern of the oceanic meridional transport from the air-sea density flux. J. Phys. Oceanogr., 38, 2722-2738.
39. Rhines, P. B., and W. R. Young, 1982: A theory of the wind-driven circulation. Part I: Mid-ocean gyres. J. Mar. Res., 40 (Suppl.), 559-596.
40. Robinson,A.R., andH. Stommel, 1959: The oceanic thermocline and the associated thermohaline circulation. Tellus, 11, 295-308.
41. Saenko, O. A., A. J. Weaver, and J. M. Gregory, 2003: On the link between the two modes of the ocean thermohaline circulation and the formation of global-scale water properties. J. Climate, 16, 2797-2801.
42. Samelson, R. M., 2004: Simple mechanistic models of middepthmeridional overturning. J. Phys.Oceanogr., 34, 2096-2103.
43. Samelson, R. M., 2009:Asimple dynamical model of the warm-water branch of the mid-depth meridional overturning cell. J. Phys. Oceanogr., 39, 1216-1230.
44. Samelson, R. M., and G. K. Vallis, 1997: Large-scale circulation with small diapycnal diffusion: The two-thermocline limit. J. Mar. Res., 55, 223-275.
45. Speer, K., S. R. Rintoul, and B. Sloyan, 2000: The diabatic Deacon cell. J. Phys. Oceanogr., 30, 3212-3222.
46. Tansley, C., and J. Marshall, 2001: On the dynamics of wind-driven circumpolar currents. J. Phys. Oceanogr., 31, 3258-3271.
47. Toggweiler, J. R., and B. Samuels, 1995: Effect of Drake Passage on the global thermohaline circulation. Deep-Sea Res., 42, 477-500.
48. Toggweiler, J. R., and B. Samuels, 1998: On the ocean's large-scale circulation near the limit of no vertical mixing. J. Phys. Oceanogr., 28, 1832-1852.
49. Toole, J., K. Polzin, and R. Schmitt, 1994: Estimates of diapycnal mixing in the abyssal ocean. Science, 264, 1120-1123.
50. Tsujino, H., and N. Suginohara, 1999: Thermohaline circulation enhanced by wind forcing. J. Phys. Oceanogr., 29, 1506-1516.
51. Visbeck, M., J. Marshall, T. Haine, and M. Spall, 1997: Specification of eddy transfer coefficients in coarse-resolution ocean circulation models. J. Phys. Oceanogr., 27, 381-402.
52. Wang, X., P. H. Stone, and J. Marotzke, 1999: Global thermohaline circulation. Part I: Sensitivity to atmospheric moisture transport. J. Climate, 12, 71-82.
53. Warren, B., J. LaCasce, and P. A. Robbins, 1996: On the obscurantist physics of " form drag" in theorizing about the circumpolar current. J. Phys. Oceanogr., 26, 2297-2301.
54. Wolfe, C., and P. Cessi, 2010: What sets the strength of the middepth stratification and overturning circulation in eddying ocean models? J. Phys. Oceanogr., 40, 1520-1538.