Intermittent layering in the Atlantic equatorial deep jets

Journal of Marine Research

Volumn 67, Issue 3, 2009, Pages 347-360

  Ménesguen, Claire ^a   Hua, Bach Lien ^a   Fruman, Mark D ^a,b   Schopp, Richard ^a  

^a Centre Bretagne   (France)

^b GOETHE UNIVERSITY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

BAROTROPIC INSTABILITY; COMPUTER SIMULATION; EQUATORIAL DYNAMICS; EQUATORIAL WAVE; JET FLOW; MERIDIONAL CIRCULATION; POTENTIAL VORTICITY;

ATLANTIC OCEAN; ATLANTIC OCEAN (EQUATORIAL);

EID: 75649085712     PISSN: 00222402     EISSN: 15439542     Source Type: Journal    
DOI: 10.1357/002224009789954748     Document Type: Article

References (28)

1. Dengler, M. and D. Quadfasel. 2002. Equatorial deep jets and abyssal mixing in the indian ocean. J. Phys. Oceanogr., 32, 1165-1180.
2. d'Orgeville, M., B. Hua, R. Schopp, and L. Bunge. 2004. Extended deep equatorial layering as a possi-ble imprint of inertial instability. Geophys. Res. Lett., 31 (L22303), doi: 10.1029/2004GL020845.
3. d'Orgeville, M. and B. L. Hua. 2005. Equatorial inertial parametric instability of zonally symmetric oscillating shear flows. J. Fluid Mech., 531, 261-291.
4. Dritschel, D. and M. McIntyre. 2008. Multiple jets as PV staircases: The Phillips effect and the resilience of eddy-transport barriers. J. Atmos. Sci., 65, 855-874.
5. Dunkerton, T. 1981. On the inertial stability of the equatorial middle atmosphere. J. Atmos. Sci., 38, 2354-2364.
6. Eden, C. and M. Dengler. 2008. Stacked jets in the deep equatorial Atlantic Ocean. J. Geophys. Res.,113(C04003), doi: 10.1029/2007JC004298.
7. Eriksen, C. C. 1982. Geostrophic equatorial deep jets. J. Mar. Res., 40, 143-157.
8. Firing, E. 1987. Deep zonal currents in the central equatorial Pacific. J. Mar. Res., 45, 791-812.
9. Fruman, M., B. Hua, and R. Schopp. 2009. Equatorial zonal jet formation through the barotropic instability of a low-frequency mixed Rossby gravity wave, equilibration by inertial instability, and transition to super-rotation. J. Atmos. Sci., (in press).
10. Gouriou, Y., C. Andrie, B. Bourles, S. Freudenthal, S. Arnault, A. Aman, G. Eldin, Y. du Penhoat, F. Baurand, F. Gallois, and R. Chuchla. 2001. Deep circulation in the equatorial Atlantic Ocean. Geophys. Res. Lett., 28, 819-822.
11. Gouriou, Y., B. Bourlès, H. Mercier, and R. Chuchla. 1999. Deep jets in the equatorial Atlantic Ocean. J. Geophys. Res., 104, 21216-21226.
12. Gregg, M., T. Sandford, and D. Winkel. 2003. Reduced mixing from the breaking of internal waves in equatorial waters. Nature, 422, 513-515.
13. Hoskins, B. 1974. The role of potential vorticity in symmetric stability and instability. Q. J. Royal. Meteor. Soc., 480-482.
14. Hua, B. L., D. Moore, and S. Le Gentil. 1997. Inertial nonlinear equilibration of equatorial flows. J. Fluid Mech., 331, 345-371.
15. Kuzmina, N. and J. H. Lee. 2005. Driving forces of interleaving in the baroclinic front at the equator. J. Phys. Oceanogr., 35, 2501-2519.
16. Leaman, K. and T. Sandford. 1975. Vertical energy propagation of inertial waves: a vector spectral analysis of velocity profiles. J. Geophys. Res., 80 1975-1978.
17. Lee, J. H. and K. Richards. 2004. The three-dimensional structure of the interleaving layers in the western equatorial Pacific Ocean. Geophys. Res. Lett., 31, (L07301) doi: 10.1029/2004GL019441.
18. Leetmaa, A. and P. F. Spain. 1981. Results from a velocity transect along the equator from 125◦W to 159◦W. J. Phys. Oceanogr., 11, 1030-1033.
19. Luyten, J. R. and J. C. Swallow. 1976. Equatorial undercurrents. Deep-Sea Res., 23, 999-1001.
20. Ménesguen, C., B. L. Hua, M. Fruman, and R. Schopp. 2009. Dynamics of the combined extra-equatorial and equatorial deep jets in the Atlantic. J. Mar. Res., 67, 323-346.
21. Natarov, A., K.J. Richards, and J.P. McCreary. 2008. Two-dimensionalinstabilitiesoftime-dependant zonal flows: Linear shear. J. Fluid Mech., 599, 29-50.
22. Rayleigh, L. 1917. On the dynamics of revolving fluids. Proc. R. Soc. Lond., A93(648), 148-154.
23. Richards, K. and H. Banks. 2002. Characteristics of interleaving in the western equatorial Pacific. J. Geophys. Res., 107(C12), 24.1-24.12.
24. Richards, K. and N. R. Edwards. 2003. Lateral mixing in the equatorial Pacific: the importance of inertial instability. Geophys. Res. Lett., 30(17), OCE3.1-OCE3.4.
25. Ruddick, B. and O. Kerr. 2003. Oceanic thermohaline intrusions: theory. Prog. Oceanogr., 56(3-4), 483-497.
26. Shchepetkin, A. and J. McWilliams. 2005. The regional oceanic modelling system: A split-explicit, free-surface, topography-following-coordiante ocean model. Ocean Model., 9, 891-902.
27. Stevens, D. 1983. On symmetric stability and instability of zonal mean flows near the equator. J. Atmos. Sci., 40, 882-893.
28. Stone, P. H. 1966. On non-geostropihc baroclinic stability. J. Atmos. Sci., 23, 390-400.