Agulhas ring dynamics from TOPEX/POSEIDON satellite altimeter data

Journal of Marine Research

Volumn 55, Issue 5, 1997, Pages 861-883

  Goni, Gustavo J ^a   Garzoli, Silvia L ^b,c   Roubicek, Andreas J ^a   Olson, Donald B ^a   Brown, Otis B ^a  

^a UNIVERSITY OF MIAMI   (United States)

^b ATLANTIC OCEANOGRAPHIC AND METEOROLOGICAL LABORATORY   (United States)

^c Department of Earth and Environmental Sciences   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CURRENT RINGS; DYNAMICS; SATELLITE ALTIMETRY; TOPEX/POSEIDON; WATER MASSES;

INDIAN OCEAN, AGULHAS CURRENT;

EID: 0031405776     PISSN: 00222402     EISSN: None     Source Type: Journal    
DOI: 10.1357/0022240973224175     Document Type: Article

References (38)

1. Andrews, J. C. and P. D. Scully-Power. 1976. The structure of an East Australian Current anticyclonic eddy. J. Phys. Oceanogr., 6, 756-765.
2. Byrne, D. A., A. L. Gordon and W. F. Haxby. 1995. Agulhas eddies: A synoptic view using Geosat ERM data. J Phys. Oceanogr., 25, 902-917.
3. Chassignet, E. P., D. B. Olson and D. B. Boudra. 1990. Motion and evolution of oceanic rings in a numerical model and in observations. J. Geophys. Res., 95, 22,121-22,140.
4. Dewar, W. K. and G. R. Flierl. 1985. Particle trajectories and simple models of transport in coherent vortices. Dyn. Atmos. Oceans, 9, 115-152.
5. Dewar, W. K. and C. Gailliard. 1994. The dynamics of barotropically dominated rings. J. Phys. Oceanogr., 24, 5-29.
6. Dewar, W. K. and P. D. Killworth. 1995. On the stability of oceanic rings. J. Phys. Oceanogr., 25, 1467-1487.
7. Duncan, C. P. 1965. An eddy in the subtropical convergence southwest of South Africa. J. Geophys. Res., 73, 531-534.
8. Duncombe Rae, C. M., S. L. Garzoli, and A. L. Gordon. 1996. The eddy field of the southeast Atlantic Ocean: A statistical census from the Benguela Sources and Transports Project. J. Geophys. Res., 101, 11,949-11,964.
9. Duncombe Rae, C. M., F. A. Shillington, J. J. Aagenbag, J. Tauton-Clark and M. L. Gründlingh. 1992. An Agulhas ring in the South Atlantic Ocean and its interaction with the Benguela Upwelling Frontal System. Deep-Sea Res., 39, 2009-2027.
10. Feron, R. C. V., W. P. M. de Ruijter and D. Oskman. 1992. Ring shedding in the Agulhas Current system. J. Geophys. Res., 97, 9467-9477.
11. Flierl, G. R. 1977. The application of linear quasigeostrophic dynamics to Gulf Stream rings. J. Phys. Oceanogr., 7, 365-379, 1977.
12. Garrafo, Z., S. L. Garzoli, W. Haxby and D. Olson. 1992. Analysis of a general circulation model. 2. Distribution of kinetic energy in the South Atlantic and Kuroshio-Oyashio systems. J. Geophys. Res., 97, 20,139-20,153.
13. Garzoli, S. L., G. J. Goni, A. J. Mariano and D. B. Olson. 1997. Monitoring the upper Southeastern Atlantic transports using altimeter data. J. Mar. Res., 55, 453-481.
14. Garzoli, S. L. and A. L. Gordon. 1996. Origins and variability of the Benguela Current. J. Geophys. Res., 101, 897-906.
15. Garzoli, S. L., A. L. Gordon, V. Kamenkovich, D. Pillsbury and C. Duncombe Rae. 1996. Variability and sources of the southeastern Atlantic circulation. J. Mar. Res., 54, 1039-1071.
16. Garzoli, S. L., A. L. Gordon and D. Pillsbury. 1994. Initial Results in from BEST Cruises. WOCE Notes, 6, 1, 10-11, 15.
17. Goni, G. J. S. Kamholz, S. L. Garzoli and D. B. Olson. 1996. Dynamics of the Brazil-Malvinas Confluence based on inverted echo sounders and altimetry J. Geophys. Res., 101, 16,273-16,289.
18. Gordon, A. L. 1985. Indian Atlantic transfer of thermocline water at the Agulhas Retroflection. Science, 227, 1030-1033.
19. Gordon, A. L. and W. F. Haxby. 1990. Agulhas eddies invade the South Atlantic: Evidence from Geosat altimeter and shipboard conductivity-temperature-depth survey. J. Geophys. Res., 95, 3117-3125.
20. Gründlingh, M. L. 1995. Tracking eddies in the southeast Atlantic and southeast Indian oceans with TOPEX/POSEIDON. J. Geophys. Res., 100, 24,977-24,986.
21. Harris, T. F. W. and D. van Foreest. 1978. Satellite infrared images in the Agulhas Current system. Deep-Sea Res., 25, 543-548.
22. Hooker, S. B. and J. W. Brown. 1994. Warm core ring dynamics derived from satellite imagery. J. Geophys. Res., 99, 25,181-25,234.
23. Joyce, T. 1984. Velocity and hydrographic structure of a Gulf Stream warm-core ring. J. Phys. Oceanogr., 14, 936-947.
24. Kamenkovich, V. M., Y. P. Leonov, D. A. Nechaev, D. A. Byrne and A. L. Gordon. 1996. On the influence of bottom topography on the Agulhas eddy. J. Phys. Oceanogr., 26, 892-912.
25. Kelly, K. A. 1991. The meandering of the Gulf Stream as seen by the Geosat altimeter: Surface transport, position, and velocity variance from 73° to 46°W. J. Geophys. Res., 96, 16,721-16,738.
26. Levitus, S. and T. P. Boyer. 1994. World Ocean Atlas 1994, Volume 4: Temperature. NOAA Atlas NESDIS 4, 117 pp.
27. Lutjeharms, J. R. E. 1981. Features of the southern Agulhas Current circulation from satellite remote sensing. S. Afr. J. Sci., 77, 231-236.
28. _ 1996. The exchange of water between the South Indian and South Atlantic, in The South Atlantic: Present and Past Circulation. G. Wefer, W. H. Berger, G. Siedler, and D. Webb, eds., Springer-Verlag, (in press).
29. Lutjeharms, J. R. E. and H. R. Valentine. 1988. Eddies at the Subtropical Convergence South of Africa. J. Phys. Oceanogr., 18, 761-774.
30. Lutjeharms, J. R. E. and R. C. Van Ballegooyen. 1988. The retroflection of the Agulhas Current. J. Phys. Oceanogr., 18, 1570-1583.
31. Mariano, A. J. and O. B. Brown. 1992. Efficient objective analysis of dynamically heterogeneous and nonstationary fields via the parameter matrix. Deep-Sea Res., 39, 1255-1271.
32. Mied, R. P. and G. J. Lindemann. 1979. The propagation and evolution of cyclonic Gulf Stream rings. J. Phys. Oceanogr., 9, 1183-1206.
33. Nilsson, C. S. and G. R. Cresswell. 1980. The formation and evolution of East Australian Current warm-core eddies. Prog. Oceanogr., 9, 133-183.
34. Olson, D. B. 1991. Rings in the ocean. Ann. Rev. Earth Planet. Sci., 19, 283-311.
35. Olson, D. B. and R. H. Evans. 1986. Rings of the Agulhas Current. Deep-Sea Res., 33, 27-42.
36. Olson, D. B., R. A. Fine and A. L. Gordon. 1992. Convective modifications of water masses in the Agulhas. Deep-Sea Res., 39, 163-181.
37. Qui, B. 1992. Recirculation and seasonal change of the Kuroshio from altimetry observations. J. Geophys. Res., 97, 17,801-17,811.
38. Van Ballegooyen, R. C., M. L. Gründlingh, and J. R. E. Lutjeharms. 1994. Eddy fluxes of heat and salt from the southwest Indian ocean in the southeast Atlantic Ocean: A case study. J. Geophys. Res., 99, 14,053-14,070.