Eddies around Madagascar - The retroflection re-considered

Journal of Marine Systems

Volumn 63, Issue 3-4, 2006, Pages 115-129

  Quartly, G D ^a   Buck, J J H ^a   Srokosz, M A ^a   Coward, A C ^a  

^a NATIONAL OCEANOGRAPHY CENTRE   (United Kingdom)

Author keywords

Agulhas Current system; Biophysical interactions; Current variability; East Madagascar Current; Eddies; Retroflection; Upwelling; Western Indian Ocean

Indexed keywords

IMAGE ANALYSIS; MATHEMATICAL MODELS; NUMERICAL METHODS; OCEAN CURRENTS;

AGULHAS CURRENT SYSTEM; BIOPHYSICAL INTERACTIONS; CURRENT VARIABILITY; EAST MADAGASCAR CURRENT; EDDIES; RETROFLECTION; UPWELLING; WESTERN INDIAN OCEAN;

MARINE BIOLOGY;

ALTIMETRY; INFRARED IMAGERY; MESOSCALE EDDY; NUMERICAL MODEL; OCEAN COLOR; SEA SURFACE HEIGHT;

INDIAN OCEAN; INDIAN OCEAN ISLANDS; MADAGASCAR;

EID: 33751328038     PISSN: 09247963     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jmarsys.2006.06.001     Document Type: Article

References (47)

1. Beal L.M., and Bryden H.L. The velocity and vorticity structure of the Agulhas Current at 32°S. J. Geophys. Res. 104 C3 (1999) 5151-5176
2. Biastoch A., and Krauss W. The role of mesoscale eddies in the source regions of the Agulhas Current. J. Phys. Oceanogr. 29 (1999) 2303-2317
3. Buck, J.J.H., 2004. Eddies in the East Madagascar Current. [MSc dissertation, available from National Oceanography Centre, Southampton, UK].
4. Campbell J.W. The lognormal distribution as a model for bio-optical variability in the sea. J. Geophys. Res. 100 (1995) 13237-13254
5. Challenor P.G., Cipollini P., Cromwell D., Hill K.L., Quartly G.D., and Robinson I.S. Global characteristics of Rossby wave propagation from multiple satellite datasets. Int. J. Remote Sens. 25 7-8 (2004) 1297-1302
6. Chapman P., di Marco S.F., Davis R.E., and Coward A.C. Flow at intermediate depths around Madagascar based on ALACE float trajectories. Deep-Sea Res. II 50 (2003) 1957-1986
7. Chelton, D.B., Schlax M.G., Samelson R.M., de Szoeke R.A., submitted for publication. Global observations of westward energy propagation in the ocean: Rossby waves or eddies? Science. (available from ftp://numbat.coas.oregonstate.edu/pub/chelton/eddies/chelton_etal_2006_s cience_submitted.pdf).
8. Coward A.C., and de Cuevas B.A. The OCCAM 66 Level Model: Model Description, Physics, Initial Conditions and External Forcing. SOC Internal Report vol. 99 (2005) [available from National Oceanography Centre, Southampton, UK]
9. de Cuevas B.A., Webb D.J., Coward A.C., Richmond C.S., and Rourke E. The UK Ocean Circulation and Advanced Modelling Project (OCCAM). In: Allan R.J., Guest M.F., Simpson A.D., Henty D.S., and Nicole D.A. (Eds). High Performance Computing, Proceedings of HPCI Conference 1998, Manchester, 12-14 January 1998 (1999), Plenum Press 325-335
10. de Ruijter W.P.M., and Boudra D.B. The wind-driven circulation in the South Atlantic-Indian Ocean-I. Numerical experiments with a one-layer model. Deep-Sea Res. 32 (1985) 557-574
11. de Ruijter W.P.M., Biastoch A., Drijfhout S.S., Lutjeharms J.R.E., Matano R.P., Pichevin T., van Leeuwen P.J., and Weijer W. Indian-Atlantic interocean exchange: dynamics, estimation and impact. J. Geophys. Res. 104 C9 (1999) 20885-20910
12. de Ruijter W.P.M., van Aken H.M., Beier E.J., Lutjeharms J.R.E., Matano R.P., and Schouten M.W. Eddies and dipoles around South Madagascar: formation, pathways and large-scale impact. Deep-Sea Res. I 53 3 (2004) 383-400
13. di Marco S.F., Chapman P., and Nowlin W.D. Satellite observations of upwelling on the continental shelf south of Madagascar. Geophys. Res. Lett. 27 (2000) 3965-3968
14. Donohue K.A., and Toole J.M. A near-synoptic survey of the Southwest Indian Ocean. Deep-Sea Res. II 50 (2003) 1893-1931
15. Gründlingh M.L. On the winter flow in the southern Mozambique Channel. Deep-Sea Res. 40 2 (1993) 409-418
16. Gründlingh M.L. Tracking eddies in the southeast Atlantic and southwest Indian oceans with TOPEX/POSEIDON. J. Geophys. Res. 100 (1995) 24977-24986
17. Hermes, J.C., Reason, C.J.C., Lutjeharms, J.R.E., in press. Modelling the variability of the Greater Agulhas Current System. J. Climate.
18. Isern-Fontanet J., Garcia-Ladona E., and Font J. Identification of marine eddies from altimetric maps. J. Atmos. Ocean. Technol. 20 5 (2003) 772-778
19. LaCasce J.H., and Pedlosky J. The instability of Rossby basin modes and the oceanic eddy field. J. Phys. Oceanogr. 34 (2004) 2027-2041
20. Le Traon P.-Y., and Ogor F. ERS-1/2 orbit improvement using TOPEX/POSEIDON: the 2 cm challenge. J. Geophys. Res. 103 C4 (1998) 8045-8057
21. Le Traon P.-Y., Nadal F., and Ducet N. An improved mapping method of multisatellite altimeter data. J. Atmos. Ocean. Technol. 15 2 (1998) 522-534
22. Longhurst A. A major seasonal phytoplankton bloom in the Madagascar Basin. Deep-Sea Res. I 48 (2001) 2413-2422
23. Lutjeharms J.R.E. The Agulhas Current system during the northeast monsoon. J. Phys. Oceanogr. 6 (1976) 665-670
24. Lutjeharms J.R.E. Remote sensing corroboration of retroflection of the East Madagascar Current. Deep-Sea Res. 35 (1988) 2045-2050
25. Lutjeharms J.R.E., and Machu E. An upwelling cell inshore of the East Madagascar Current. Deep-Sea Res. 47 (2000) 2405-2411
26. Lutjeharms J.R.E., and van Ballegooyen R.C. The retroflection of the Agulhas Current. J. Phys. Oceanogr. 18 (1988) 1570-1583
27. Lutjeharms J.R.E., Bang N.D., and Duncan C.P. Characteristics of the currents east and south of Madagascar. Deep-Sea Res. 28A (1981) 879-899
28. Lutjeharms J.R.E., Wedepohl P.M., and Meeuwis J.M. On the surface drift of the East Madagascar and Mozambique Currents. S. Afr. J. Sci. 96 (2000) 141-147
29. Matano R.P., Beier E.J., Strub P.T., and Tokmakian R. Large-scale forcing of the Agulhas variability: the seasonal cycle. J. Phys. Oceanogr. 32 (2002) 1228-1241
30. Morrow R., Birol F., Griffin D., and Sudre J. Divergent pathways of cyclonic and anti-cyclonic ocean eddies. Geophys. Res. Lett. 31 (2004) L24311 10.1029/2004GL020974
31. Polito P.S., and Liu W.T. Global characterization of Rossby waves at several spectral bands. J. Geophys. Res. 108 (2003) 3018 10.1029/2000JC000607
32. Quartly G.D., and Srokosz M.A. Seasonal variations in the region of the Agulhas Retroflection: studies with Geosat and FRAM. J. Phys. Oceanogr. 23 (1993) 2108-2124
33. Quartly G.D., and Srokosz M.A. SST observations of the Agulhas and East Madagascar Retroflections by the TRMM Microwave Imager. J. Phys. Oceanogr. 32 (2002) 1585-1592
34. Quartly G.D., and Srokosz M.A. Satellite observations of the Agulhas Current System. Philos. Trans. R. Soc. Lond., A 361 (2003) 51-56
35. Quartly G.D., and Srokosz M.A. A visible record of eddies in the southern Mozambique channel. Proc. of IGARSS 2003 21st-25th July 2003, Toulouse, France (2003) 3 pp.
36. Quartly G.D., and Srokosz M.A. Eddies in the southern Mozambique Channel. Deep-Sea Res. II 51 1-3 (2004) 69-83
37. Quartly G.D., Cipollini P., Cromwell D., and Challenor P.G. Rossby waves: synergy in action. Philos. Trans. R. Soc. Lond. A, 361 (2003) 57-63
38. Ridderinkhof H., and de Ruijter W.P.M. Moored current observations in the Mozambique Channel. Deep-Sea Res. II 50 12-13 (2003) 1933-1955
39. Schott F., Fieux M., Kindle J., Swallow J., and Zantopp R. Boundary currents east and north of Madagascar. 2. Direct measurements and model comparisons. J. Geophys. Res. 93 (1988) 4963-4974
40. Schouten M.W., de Ruijter W.P.M., van Leeuwen P.J., and Dijkstra H.A. An oceanic teleconnection between the equatorial and southern Indian Ocean. Geophys. Res. Lett. 29 16 (2002) (art. no. 1812)
41. Schouten M.W., de Ruijter W.P.M., and van Leeuwen P.J. Upstream control of Agulhas Ring shedding. J. Geophys. Res. 107 C8 (2002) 10.1029/2001JC000804 (art. no. 3109)
42. Schouten M.W., de Ruijter W.P.M., van Leeuwen P.J., and Ridderinkhof H. Eddies and variability in the Mozambique Channel. Deep-Sea Res. II 50 12-13 (2003) 1987-2003
43. Srokosz M.A., Quartly G.D., and Buck J.J.H. A possible plankton wave in the Indian Ocean. Geophys. Res. Lett. 31 (2004) L.13301 10.1029/2004GL019738
44. Stramma L., and Lutjeharms J.R.E. The flow field of the subtropical gyre of the South Indian Ocean. J. Geophys. Res. 102 (1997) 5513-5530
45. Swallow J., Fieux M., and Schott F. The boundary currents east and north of Madagascar 1. Geostrophic currents and transports. J. Geophys. Res. 93 (1988) 4951-4962
46. Tomczak M., and Godfrey J.S. Regional Oceanography: an Introduction (1994), Pergamon 422 pp.
47. Webb D.J., de Cuevas B.A., and Coward A.C. The First Main Run of the OCCAM Global Ocean Model. Southampton Oceanography Centre, Internal document vol. 34 (1998) [available from National Oceanography Centre, Southampton, UK]