Influence of the nonlinear equation of state on global estimates of dianeutral advection and diffusion

Journal of Physical Oceanography

Volumn 40, Issue 8, 2010, Pages 1690-1709

  Klocker, Andreas ^a,c   McDougall, Trevor J ^b  

^a UNIVERSITY OF TASMANIA   (Australia)

^b Bureau of Meteorology Centre for Australian Weather and Climate Research   (Australia)

^c MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Advection; Density currents; Diffusion; Ocean circulation

Indexed keywords

ADIABATIC PROCESS; ADVECTION - DIFFUSION; CABBELING; DEEP WATER; DENSE WATERS; DENSITY CURRENTS; DENSITY SURFACES; DIABATIC; DIAPYCNAL DIFFUSIVITY; EQUATION OF STATE; GLOBAL ESTIMATE; GLOBAL OCEAN; MASS ANALYSIS; NON-LINEARITY; NONLINEAR PROCESS; OCEAN CIRCULATION; OVERTURNING CIRCULATION; SOUTHERN OCEAN; SURFACE LAYERS; TANGENT PLANE; THERMOBARICITY;

ADVECTION; CONTROL NONLINEARITIES; DIFFUSION; EQUATIONS OF STATE; OCEAN CURRENTS; OCEAN HABITATS; ORDINARY DIFFERENTIAL EQUATIONS; SEAWATER; STREAM FLOW;

NONLINEAR EQUATIONS;

ABYSSAL CIRCULATION; ADVECTION; DENSITY CURRENT; DIFFUSION; EQUATION OF STATE; ISOPYCNAL LAYER; NONLINEARITY; OCEANIC CIRCULATION; OVERTURN; STRATIFICATION; WATER MASS;

SOUTHERN OCEAN;

EID: 77954219349     PISSN: 00223670     EISSN: None     Source Type: Journal    
DOI: 10.1175/2010JPO4303.1     Document Type: Article

References (51)

1. Abernathey, R., J. Marshall, M. Mazloff, and E. Shuckburgh, 2010: Enhancement of mesoscale eddy stirring at steering levels in the Southern Ocean. J. Phys. Oceanogr., 40, 170-184.
2. Arneborg, L., 2002: Mixing efficiencies in patchy turbulence. J. Phys. Oceanogr., 32, 1496-1506.
3. Davis, R. E., 1994: Diapycnal mixing in the ocean: Equations for large-scale budgets. J. Phys. Oceanogr., 24, 777-800.
4. Gargett, A. E., 1984: Vertical eddy diffusivity in the ocean interior. J. Mar. Res., 42, 359-393.
5. Gnanadesikan, A., R. D. Slater, P. S. Swathi, and G. K. Vallis, 2005: The energetics of ocean heat transport. J. Climate, 18, 2604-2616.
6. Gnanadesikan, A., A. M. de Boer, and B. K. Mignone, 2007: A simple theory of the pycnocline and overturning revisited. Ocean Circulation: Mechanisms and Impacts, Geophys. Monogr., Vol. 173, Amer. Geophys. Union, 19-32.
7. Gouretski, V. V., and K. P. Koltermann, 2004: WOCE global hydrographic climatology. Bundesamtes für Seeschifffahrt und Hydrographie Tech. Rep. 35, 49 pp.
8. Griffies, S. M., M. J. Harrison, R. C. Pacanowski, and A. Rosati, 2004: A technical guide to MOM4. NOAA/Geophysical Fluid Dynamics Laboratory Ocean Group Tech. Rep. 5, 342 pp.
9. Huang, R. X., 1999: Mixing and energetics of the oceanic thermohaline circulation. J. Phys. Oceanogr., 29, 727-746.
10. Hughes, G. O., and R. W. Griffiths, 2006: A simple convective model of the global overturning circulation, including effects of entrainment into sinking regions. Ocean Modell., 12, 46-79.
11. IOC, SCOR, and IAPSO, 2010: The international thermodynamic equation of seawater-2010: Calculation and use of thermodynamic properties. Intergovernmental Oceanographic Commission, Manuals and Guides 56, UNESCO, 196 pp. [Available online at http://www.TEOS-10.org.]
12. Iudicone, D., G. Madec, and T. J. McDougall, 2008: Water-mass transformations in a neutral density framework and the key role of light penetration. J. Phys. Oceanogr., 38, 1357-1376.
13. Jackett, D. R., and T. J. McDougall, 1997: A neutral density variable for the world's oceans. J. Phys. Oceanogr., 27, 237-263.
14. Klocker, A., and T. J. McDougall, 2010: Quantifying the consequences of the ill-defined nature of neutral surfaces. J. Phys. Oceanogr., 40, 1866-1880.
15. Klocker, A., T. J. McDougall, and D. R. Jackett, 2009a: A new method for forming approximately neutral surfaces. Ocean Sci., 5, 155-172.
16. Klocker, A., T. J. McDougall, and D. R. Jackett, 2009b: Corrigendum to "A new method for forming approximately neutral surfaces" published in Ocean Sci., 5, 155-172, 2009. Ocean Sci., 5, 191.
17. Kunze, E., E. Firing, J. M. Hoummon, T. K. Chereskin, and A. M. Thurnherr, 2006: Global abyssal mixing inferred from lowered ADCP shear and CTD strain profiles. J. Phys. Oceanogr., 36, 1553-1576.
18. Ledwell, J. R., A. J. Watson, and C. S. Law, 1998: Mixing of a tracer in the pycnocline. J. Geophys. Res., 103, 21 499-21 529.
19. Ledwell, J. R., E.T.Montgomery,K.L.Polzin,L.C.St.Laurent,R.W.Schmitt, and J. M. Toole, 2000: Evidence for enhanced mixing over rough topography in the abyssal ocean. Nature, 403, 179-182.
20. Lumpkin, R., and K. Speer, 2007: Global ocean meridional overturning. J. Phys. Oceanogr., 37, 2550-2562.
21. 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.
22. McDougall, T. J., 1984: The relative roles of diapycnal and isopycnal mixing on subsurface water mass conversion. J. Phys. Oceanogr., 14, 1577-1589.
23. McDougall, T. J., 1987a: Neutral surfaces. J. Phys. Oceanogr., 17, 1950-1964.
24. McDougall, T. J., 1987b: Thermobaricity, cabbeling, and water-mass conversion. J. Geophys. Res., 92, 5448-5464.
25. McDougall, T. J., 1988: Some implications of ocean mixing for ocean modelling. Small-Scale Turbulence and Mixing in the Ocean, J. C. J. Nihoul and B. M. Jamart, Eds., Elsevier, 21-35.
26. McDougall, T. J., 1991: Parameterizing mixing in inverse models. Dynamics of Oceanic Internal Gravity Waves: Proc. 'Aha Huliko'a Hawaiian Winter Workshop, Honolulu, HI, University of Hawaii at Manoa, 355-386.
27. McDougall, T. J., 2003: Potential enthalpy: A conservative oceanic variable for evaluating heat content and heat fluxes. J. Phys. Oceanogr., 33, 945-963.
28. McDougall, T. J., and D. R. Jackett, 1988: On the helical nature of neutral trajectories in the ocean. Prog. Oceanogr., 20, 153-183.
29. McDougall, T. J., and P. C. McIntosh, 2001: The temporal-residual-mean velocity. Part II: Isopycnal interpretation and the tracer and momentum equations. J. Phys. Oceanogr., 31, 1222-1246.
30. McDougall, T. J., and D. R. Jackett, 2009: Neutral surfaces and the equation of state. Encyclopaedia of Ocean Sciences, 2nd ed. J. H. Steele, K. H. Turekian, and S. A. Thorpe, Eds., Elsevier, 4097-4103.
31. Munk, W. H., 1966: Abyssal recipes. Deep-Sea Res., 13, 707-730.
32. Munk, W. H., and C. Wunsch, 1998: Abyssal recipes II: Energetics of tidal and wind mixing. Deep-Sea Res. I, 45, 1977-2010.
33. Naveira Garabato, A. C., D. P. Stevens, A. J. Watson, and W. Roether, 2007: Short-circuiting of the overturning circulation in the Antarctic Circumpolar Current. Nature, 447, 194-197.
34. Orsi, A. H., G. C. Johnson, and J. L. Bullister, 1999: Circulation, mixing, and production of Antarctic Bottom Water. Prog. Oceanogr., 43, 55-109.
35. Osborn, T. R., 1980: Estimates of the local rate of vertical diffusion from dissipation measurements. J. Phys. Oceanogr., 10, 83-89.
36. Sallée, J. B., K. Speer, R. Morrow, and R. Lumpkin, 2008: An estimate of Lagrangian eddy statistics and diffusion in the mixed layer of the Southern Ocean. J. Mar. Res., 66, 441-463.
37. Sloyan, B. M., 2005: Spatial variability of mixing in the Southern Ocean. Geophys. Res. Lett., 32, L18603, doi:10.1029/2005GL023568.
38. Sloyan, B. M., 2006: Antarctic Bottom and Lower Circumpolar Deep Water circulation in the eastern Indian Ocean. J. Geophys. Res., 111, C02006, doi:10.1029/2005JC003011.
39. Sloyan, B. M., and S. R. Rintoul, 2001: The Southern Ocean limb of the global deep overturning circulation. J. Phys. Oceanogr., 31, 143-173.
40. Sloyan, B. M., and I. V. Kamenkovich, 2007: Simulation of the mode and Antarctic Intermediate Waters in climate models. J. Climate, 20, 5061-5080.
41. Smith, K. S., and R. Ferrari, 2009: The production and dissipation of compensated thermohaline variance by mesoscale stirring. J. Phys. Oceanogr., 39, 2477-2501.
42. Smyth, W. D., J. N. Moum, and D. R. Caldwell, 2001: The efficiency of mixing in turbulent patches: Inferences from direct simulations and microstructure observations. J. Phys. Oceanogr., 31, 1969-1992.
43. St. Laurent, L., and H. Simmons, 2006: Estimates of power consumed by mixing in the ocean interior. J. Climate, 19, 4877-4890.
44. St. Laurent, L., J. M. Toole, and R. W. Schmitt, 2001: Buoyancy forcing by turbulence above rough topography in the abyssal Brazil Basin. J. Phys. Oceanogr., 31, 3476-3495.
45. Stommel, H., and A. B. Arons, 1960a: On the abyssal circulation of the World Ocean-I. Stationary planetary flows on a sphere. Deep-Sea Res., 6, 140-154.
46. Stommel, H., and A. B. Arons, 1960b: On the abyssal circulation of the World Ocean-II. An idealized model of the circulation pattern and amplitude in ocean basins. Deep-Sea Res., 6, 217-233.
47. Toggweiler, J. R., and B. Samuels, 1995: Effect of Drake Passage on the global thermohaline circulation. Deep-Sea Res., 42, 477-500.
48. Webb, D. J., and N. Suginohara, 2001: Vertical mixing in the ocean. Nature, 406, 37.
49. Wunsch, C., and R. Ferrari, 2004: Vertical mixing, energy, and the general circulation of the oceans. Annu. Rev. Fluid Mech., 36, 281-314.
50. Wyrtki, K., 1962: The oxygen minima in relation to ocean circulation. Deep-Sea Res., 9, 11-23.
51. Zika, J. D., B. M. Sloyan, and T. J. McDougall, 2009: Diagnosing the Southern Ocean overturning from tracer fields. J. Phys. Oceanogr., 39, 2926-2940.