Symmetric instability in the Gulf Stream

Deep-Sea Research Part II: Topical Studies in Oceanography

Volumn 91, Issue , 2013, Pages 96-110

  Thomas, Leif N ^a   Taylor, John R ^b   Ferrari, Raffaele ^c   Joyce, Terrence M ^d  

^a STANFORD UNIVERSITY   (United States)

^b UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^c MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

^d WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

Author keywords

Fronts; Ocean circulation energy; Subtropical mode water; Upper ocean turbulence

Indexed keywords

BAROCLINIC INSTABILITY; EIGHTEEN DEGREE WATER; FRONTS; OCEAN CIRCULATION; SECONDARY INSTABILITY; SUBTROPICAL MODE WATERS; SURFACE BOUNDARY-LAYER; SYMMETRIC INSTABILITIES;

KINETICS; LARGE EDDY SIMULATION; OCEAN CURRENTS; RESERVOIRS (WATER); SURVEYS; TURBULENCE;

SHEAR FLOW;

ADVECTION; BAROCLINIC INSTABILITY; BOUNDARY LAYER; COOLING; DENSE WATER; DISSIPATION; ENERGY BALANCE; INSTABILITY; ISOPYCNAL LAYER; KINETIC ENERGY; LARGE EDDY SIMULATION; MODE WATER; PARAMETERIZATION; POTENTIAL ENERGY; POTENTIAL VORTICITY; SHEAR; SIMULATION; SURFACE; TURBULENCE; WATER MASS;

ATLANTIC OCEAN; GULF STREAM;

EID: 84878015229     PISSN: 09670645     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.dsr2.2013.02.025     Document Type: Article

References (40)

1. Allen J.T., Smeed D.A. Potential vorticity and vertical velocity at the Iceland-Faeroes front. J. Phys. Oceanogr. 1996, 26:2611-2634.
2. Belkin I.M., Cornillon P.C., Sherman K. Fronts in large marine ecosystems. Prog. Oceanogr. 2009, 81:223-236.
3. Bennetts D.A., Hoskins B.J. Conditional symmetric instability-a possible explanation for frontal rainbands. Q. J. R. Met. Soc. 1979, 105:945-962.
4. Boccaletti G., Ferrari R., Fox-Kemper B. Mixed layer instabilities and restratification. J. Phys. Oceanogr. 2007, 37:2228-2250.
5. Capet X., McWilliams J.C., Molemaker M.J., Shchepetkin A.F. Mesoscale to submesoscale transition in the California Current system. Part III. energy balance and flux. J. Phys. Oceanogr. 2008, 38:2256-2269.
6. D'Asaro E., Lee C.M., Rainville L., Harcourt R., Thomas L.N. Enhanced turbulence and energy dissipation at ocean fronts. Science 2011, 332:318-332. 10.1126/science.1201515.
7. Ferrari R., Wunsch C. Ocean circulation kinetic energy. reservoirs, sources, and sinks. Annu. Rev. Fluid Mech. 2009, 41:253-282.
8. Fox-Kemper B., Ferrari R., Hallberg R. Parameterization of mixed layer eddies. Part I. theory and diagnosis. J. Phys. Oceanogr. 2008, 38:1145-1165.
9. Gill A.E., Green J.S.A., Simmons A.J. Energy partition in the large-scale ocean circulation and the production of mid-ocean eddies. Deep-Sea Res. 1974, 21:499-528.
10. Haine T.W.N., Marshall J. Gravitational, symmetric, and baroclinic instability of the ocean mixed layer. J. Phys. Oceanogr. 1998, 28:634-658.
11. Hoskins B.J. The role of potential vorticity in symmetric stability and instability. Q. J. R. Met. Soc. 1974, 100:480-482.
12. Hoskins B.J. The mathematical theory of frontogenesis. Annu. Rev. Fluid Mech. 1982, 14:131-151.
13. Hoskins B.J., Draghici I., Davies H.C. A new look at the omega-equation. Q. J. R. Met. Soc. 1978, 104:31-38.
14. Inoue R., Gregg M.C., Harcourt R.R. Mixing rates across the Gulf Stream, Part 1. on the formation of Eighteen Degree Water. J. Mar. Res. 2010, 68:643-671.
15. Joyce T.M., Thomas L.N., Bahr F. Wintertime observations of Subtropical Mode Water formation within the Gulf Stream. Geophys. Res. Lett. 2009, 36:L02607. 10.1029/2008GL035918.
16. Large W.G., McWilliams J.C., Doney S.C. Oceanic vertical mixing. a review and a model with a nonlocal boundary layer parameterization. Rev. Geophys. 1994, 32:363-403.
17. Le Traon P.Y. A method for optimal analysis of fields with spatially variable mean. J. Geophys. Res. 1990, 95(C8):13543-13547.
18. Marshall, J., et al., 2009. The Climode field campaign: observing the cycle of convection and restratification over the Gulf Stream. Bull. Am. Meteor. Soc. 90, 1337-1350.
19. Marshall J., Schott F. Open ocean deep convection. observations, models and theory. Rev. Geophys. 1999, 37:1-64.
20. Marshall J.C., Nurser A.J.G. Fluid dynamics of oceanic thermocline ventilation. J. Phys. Oceanogr. 1992, 22:583-595.
21. Maze G., Marshall J. Diagnosing the observed seasonal cycle of Atlantic subtropical mode water using potential vorticity and its attendant theorems. J. Phys. Oceanogr. 2011, 41:1986-1999.
22. McWilliams J.C., Sullivan P.P., Moeng C.H. Langmuir turbulence in the ocean. J. Fluid Mech. 1997, 334:1-30.
23. Molemaker J., McWilliams J.C., Capet X. Balanced and unbalanced routes to dissipation in an equilibrated Eady flow. J. Fluid Mech. 2010, 654:35-63.
24. Naveira Garabato A., Polzin K., King B., Heywood K., Visbeck M. Widespread intense turbulent mixing in the Southern Ocean. Science 2004, 303:210-213.
25. Naveira Garabato A.C., Allen J.T., Leach H., Strass V.H., Pollard R.T. Mesoscale subduction at the Antarctic Polar Front driven by baroclinic instability. J. Phys. Oceanogr. 2001, 31:2087-2107.
26. Nikurashin M., Ferrari R. Radiation and dissipation of internal waves generated by geostrophic motions impinging on small-scale topography. application to the Southern Ocean. J. Phys. Oceanogr. 2010, 40:2025-2042.
27. Pollard R.T., Regier L.A. Vorticity and vertical circulation at an ocean front. J. Phys. Oceanogr. 1992, 22:609-625.
28. Price J.F., Weller R.A., Pinkel R. Diurnal cycling. observations and models of the upper ocean response to diurnal heating, cooling, and wind mixing. J. Geophys. Res. 1986, 91:8411-8427.
29. Ruddick B.R. A practical indicator of the stability of the water column to double-diffusive activity. Deep-Sea Res. 1983, 30:1105-1107.
30. Rudnick D.L. Intensive surveys of the Azores Front. 2. Inferring the geostrophic and vertical velocity fields. J. Geophys. Res. 1996, 101(C7):16291-16303.
31. Stone P. On non-geostrophic baroclinic stability. Part II. J. Atmos. Sci. 1970, 27:721-726.
32. Taylor J., Ferrari R. The role of secondary shear instabilities in the equilibration of symmetric instability. J. Fluid Mech. 2009, 622:103-113.
33. Taylor J., Ferrari R. Buoyancy and wind-driven convection at mixed-layer density fronts. J. Phys. Oceanogr. 2010, 40:1222-1242.
34. Taylor J., Ferrari R. Ocean fronts trigger high latitude phytoplankton blooms. Geophys. Res. Lett. 2011, 38:L23601.
35. Thomas L.N. Destruction of potential vorticity by winds. J. Phys. Oceanogr. 2005, 35:2457-2466.
36. Thomas L.N., Joyce T.M. Subduction on the northern and southern flanks of the Gulf Stream. J. Phys. Oceanogr. 2010, 40:429-438.
37. Thomas L.N., Lee C.M. Intensification of ocean fronts by down-front winds. J. Phys. Oceanogr. 2005, 35:1086-1102.
38. Thomas L.N., Lee C.M., Yoshikawa Y. The Subpolar Front of the Japan/East Sea II: inverse method for determining the frontal vertical circulation. J. Phys. Oceanogr. 2010, 40:3-25.
39. Thomas L.N., Taylor J.R. Reduction of the usable wind-work on the general circulation by forced symmetric instability. Geophys. Res. Lett. 2010, 37:L18606. 10.1029/2010GL044680.
40. Thorpe A.J., Rotunno R. Nonlinear aspects of symmetric instability. J. Atmos. Sci. 1989, 46:1285-1299.