The atlantic subtropical front/current systems of Azores and St. Helena

Journal of Physical Oceanography

Volumn 37, Issue 11, 2007, Pages 2573-2598

  Juliano, Manuela F ^a   Alves, Mário L G R ^a  

^a UNIVERSITY OF THE AZORES   (Portugal)

Author keywords

[No Author keywords available]

Indexed keywords

CLIMATOLOGY; DATA REDUCTION; DATABASE SYSTEMS; FLOW OF WATER; HYDROLOGY; VORTICITY;

CLIMATIC OCEAN CIRCULATION MODEL; COUNTER-CURRENT FLOW; SUBTROPICAL GYRE; ZONAL FLOW;

OCEAN CURRENTS;

DATABASE; GYRE; HYDROLOGY; NORTHERN HEMISPHERE; OCEANIC CURRENT; OCEANIC FRONT; OCEANIC GENERAL CIRCULATION MODEL; VORTICITY; WESTERN BOUNDARY CURRENT;

ATLANTIC ISLANDS; ATLANTIC OCEAN; AZORES; EURASIA; EUROPE; MACARONESIA; PORTUGAL; SAINT HELENA; SOUTHERN EUROPE;

EID: 38549160603     PISSN: 00223670     EISSN: None     Source Type: Journal    
DOI: 10.1175/2007JPO3150.1     Document Type: Article

References (64)

1. Alves, M., 1996: Instability dynamics of a subtropical jet: The Azores Front-Current system case (FCA). Ph.D. dissertation, University of Bretagne Occidentale, 229 pp.
2. Alves, M., and A. Colin de Verdière, 1999: Instability dynamics of a subtropical jet and applications to the Azores Front Current system: Eddy-driven mean flow. J. Phys. Oceanogr., 29, 837-864.
3. Alves, M., A. Simões, A. Colin de Verdière, and M. F. Juliano, 1994: Optimal Hydrological Atlas for the Northeast Atlantic (0°-50°W, 20°-50°N) (in French). University of the Azores, 76 pp.
4. Beckmann, A., C. W. Böning, B. Brügge, and D. Stammer, 1994a: On the generation and role of eddy variability in the central North Atlantic Ocean. J. Geophys. Res., 99, 20 381-20 391.
5. Beckmann, A., C. W. Böning, C. Köberle, and J. Willebrand, 1994b: Effects of increased horizontal resolution in a simulation of the North Atlantic Ocean. J. Phys. Oceanogr., 24, 326-344.
6. Belkin, I. M., 1994: Frontal structure of the South Atlantic (abstract). The South Atlantic: Present and Past Circulation Symposium, University of Bremen 52, 19-20.
7. Belkin, I. M., and A. L. Gordon, 1996: Southern Ocean fronts from the Greenwich meridian to Tasmania. J. Geophys. Res., 101, 3675-3696.
8. Bigg, G. R., 1990: Inversions of observations near the Azores Front. J. Mar. Res., 48, 661-675.
9. Boebel, O., C. Schmid, G. Podestá, and W. Zenk, 1999: Intermediate water in the Brasil-Malvinas Confluence Zone: A Lagrangian view. J. Geophys. Res., 104, 21 063-21 082.
10. Bogden, P. S. R., E. Davis, and R. Salmon, 1993: The North Atlantic circulation: Combining simplified dynamics with hydrographic data. J. Mar. Res., 51, 1-52.
11. Confluence Principal Investigators, 1990: Confluence 1988-1990: An intensive study of the southwestern Atlantic. Eos, Trans. Amer. Geophys. Union, 71, 1131-1134.
12. Conkright, M. E., and Coauthors, cited 1999: World Ocean Database 1998 CD-ROM data set documentation. NODC Internal Rep. 14, Silver Spring, MD, 114 pp.
13. Cromwell, D., P. G. Challenor, A.L. New, and R.D. Pingree, 1996: Persistent westward flow in the Azores Current as seen from altimetry and hydrology. J. Geophys. Res., 101, 11 923-11 933.
14. Da Silveira, I. C. A., G. R. Flierl, and W. S. Brown, 1999: Dynamics of separating western boundary currents. J. Phys. Oceanogr., 29, 119-144.
15. Davis, R. E., D. C. Webb, L.A. Regier, and J. Dufour, 1996: Comparison of Autonomous Lagrangian Circulation Explorer and Fine-Resolution Antarctic Model results in the South Atlantic. J. Geophys. Res., 101, 855-884.
16. Garzoli, S. L., 1993: Geostrophic velocity and transport variability in the Brazil-Malvinas Confluence. Deep-Sea Res., 40, 1379-1394.
17. Garzoli, S. L., and C. Giulivi, 1994: What forces the variability of the southwestern Atlantic boundary currents? Deep-Sea Res. I, 41, 1527-1550.
18. Gordon, A. L., and C. L. Greengrove, 1986: Geostrophic circulation of the Brazil-Falkland Confluence. Deep-Sea Res., 33A, 573-585.
19. Gordon, A. L., R. F. Weiss, W.M. Smethie Jr., and M.J. Warner, 1992: Thermocline and intermediate water communication between the South Atlantic and Indian Oceans. J. Geophys. Res., 97 (C5), 7223-7240.
20. Gould, W. J., 1985: Physical oceanography of the Azores Front. Prog. Oceanogr., 14, 167-190.
21. Harvey, J., and M. Arhan, 1988: The water masses of the central North Atlantic in 1983-84. J. Phys. Oceanogr., 18, 1855-1875.
22. Hellerman, S., and M. Rosenstein, 1983: Normal monthly wind stress over the World Ocean with error estimates. J. Phys. Oceanogr., 13, 1093-1104.
23. Holland, W. R., P. E. Harrison, and A. J. Semtner, 1982: Eddy resolving numerical models of large-scale ocean circulation. Eddies in Marine Science, A. R. Robinson, Ed., Springer-Verlag, 379-403.
24. Jia, Y., 2000: Formation of an Azores Current due to Mediterranean overflow in a modeling study of the North Atlantic. J. Phys. Oceanogr., 30, 2342-2358.
25. Juliano, M. F., 2003: Determination and analysis of the three-dimensional Atlantic Ocean circulation and climate: An integrated vision (in Portuguese). Ph.D. dissertation, University of the Azores, 311 pp.
26. Kahru, M., S. Nômmann, and B. Zeitzschel, 1991: Particle (plankton): Size structure across the Azores Front (Joint Global Ocean Flux Study North Atlantic Bloom Experiment). J. Geophys. Res., 96, 7083-7088.
27. Käse, R. H., and W. Krauss, 1996: The Gulf Stream, the North Atlantic Current, and the origin of the Azores Current. The Warmwatersphere of the North Atlantic Ocean, W. Krauss, Ed., Gebrüder Borntraeger, 291-337.
28. Kielmann, J., and R. H. Käse, 1987: Numerical modelling of meander and eddy formation in the Azores Current frontal zone. J. Phys. Oceanogr., 17, 529-541.
29. Klein, B., and G. Siedler, 1989: On the origin of the Azores Current. J. Geophys. Res., 94, 6159-6168.
30. Krauss, W., 1986: The North Atlantic Current. J. Geophys. Res., 91, 5061-5074.
31. Le Traon, P. Y., and P. De Mey, 1994: The eddy field associated with the Azores Front east of the Mid-Atlantic Ridge as observed by the Geosat altimeter. J. Geophys. Res., 99, 9907-9923.
32. Le Traon, P. Y., and R. Morrow, 2001: Ocean currents and eddies. Satellite Altimetry and Earth Sciences, L.-L. Fu and A. Cazenave, Eds., International Geophysics Series, Vol. 69, Academic Press, 171-215.
33. Levitus, S., 1982: Climatological Atlas of the World Ocean. National Oceanic and Atmospheric Administration, 173 pp.
34. Lozier, M. S., 1997: Evidence for large-scale eddy-driven gyres in the North Atlantic. Science, 277, 361-364.
35. Maamaatuaiahutapu, K., V. Garcon, C. Provost, M. Boulahdid, and A. P. Osiroff, 1992: Brazil-Malvinas confluence: Water mass composition. J. Geophys. Res., 97, 9493-9509.
36. Maillard, C., and R. H. Käse, 1989: The near surface flow in the subtropical gyre south of the Azores. J. Geophys. Res., 94, 16 133-16 140.
37. Marchuck, G. I., and A. S. Sarkisyan, 1988: Mathematical Modelling of Ocean Circulation. Springer-Verlag, 292 pp.
38. McWilliams, J. C., 1989: Statistical properties of decaying geostrophic turbulence. J. Fluid Mech., 108, 199-230.
39. Müller, T. J., and G. Siedler, 1992: Multi-year current time series in the eastern North Atlantic Ocean. J. Mar. Res., 50, 63-98.
40. Ollitrault, M., 1995: La circulation générale de l'Atlantique Nord subtropical vers 700 m de profondeur, révélée par des flotteurs dérivants de subsurface (The North Atlantic subtropical circulation at 700-m depth, shown by subsurface drifting floats). C. R. Acad. Sci., 320 (2), 153-160.
41. Onken, R., 1993: The Azores Countercurrent. J. Phys. Oceanogr., 23, 1638-1646.
42. Özgökmen, T. M., E. P. Chassignet, and C. G. H. Rooth, 2001: On the connection between the Mediterranean Outflow and the Azores Current. J. Phys. Oceanogr., 31, 461-480.
43. Papoulis, A., 1991: Probability, Random Variables and Stochastic Processes. 3d ed. McGraw-Hill, 666 pp.
44. Pedlosky, J., 1987: Geophysical Fluid Dynamics. Springer-Verlag, 710 pp.
45. Pedlosky, J., 1996: Ocean Circulation Theory. Springer-Verlag, 453 pp.
46. Pingree, P., and B. Sinha, 1998: Dynamic topography (ERS-1/2 and seatruth) of subtropical ring (STORM 0) in the STORM corridor (32°N-34°N, Eastern basin, North Atlantic Ocean). J. Mar. Biol. Ass. UK, 78, 351-376.
47. Pollard, R. T., M. J. Griffiths, S. A. Cunningham, J. F. Read, F. F. Perez, and A. F. Rios, 1996: Vivaldi 1991 - A study of the formation, circulation and ventilation of eastern North Atlantic Central Water. Prog. Oceanogr., 37, 167-192.
48. Press, W. H., S. A. Teukolsky, W. T. Vetterling, and B. P. Flannery, 1992: Numerical Recipes in Fortran: The Art of Scientific Computing. 2d ed. Cambridge University Press, 963 pp.
49. Provost, C., C. Escoffier, K. Maamaatuaiahutapu, A. Kartavtseff, and V. Garçon, 1999: Subtropical mode waters in the South Atlantic Ocean. J. Geophys. Res., 104, 21 033-21 050.
50. Roemmich, D., 1983: Optimal estimation of hydrographic station data and derived fields. J. Phys. Oceanogr., 13, 1544-1549.
51. Schmid, C., G. Siedler, and W. Zenk, 2000: Dynamics of intermediate water circulation in the subtropical South Atlantic. J. Phys. Oceanogr., 30, 3191-3211.
52. Schmitz, W. J., 1995: On the interbasin-scale thermohaline circulation. Rev. Geophys., 33, 151-173.
53. Schmitz, W. J., and M. S. McCartney, 1993: On the North Atlantic circulation. Rev. Geophys., 31, 29-49.
54. Schott, F., and H. Stommel, 1978: Beta spirals and absolute velocities in different oceans. Deep-Sea Res., 25, 961-1010.
55. Stommel, H., and F. Schott, 1977: The beta spiral and the determination of the absolute velocity field from hydrographic station data. Deep-Sea Res., 29, 325-329.
56. Stommel, H., and G. Veronis, 1981: Variational inverse method for study of ocean circulation. Deep-Sea Res., 28, 1147-1160.
57. Stramma, L., and H. J. Isemer, 1988: Seasonal variability of meridional temperature fluxes in the eastern North Atlantic Ocean. J. Mar. Res., 46, 281-299.
58. Stramma, L., and G. Siedler, 1988: Seasonal changes in the North Atlantic subtropical gyre. J. Geophys. Res.,93, 8111-8118.
59. Stramma, L., and R. G. Peterson, 1990: The South Atlantic Current. J. Phys. Oceanogr., 20, 846-859.
60. Thompson, R. O. R. Y., 1971: Why there is an intense eastward current in the North Atlantic but not in the South Atlantic. J. Phys. Oceanogr., 1, 235-237.
61. Tsuchiya, M., L. D. Talley, and M.S. McCartney, 1994: Water mass distributions in the western South Atlantic: A section from South Georgia Island (54°S) northward across the equator. J. Mar. Res., 52, 55-81.
62. Veronis, G., 1987: Inverse methods for ocean circulation. General Circulation of the Ocean, H. D. I. Abarbanel and W. R. Young, Eds., Springer-Verlag, 102-132.
63. Wunsch, C., 1978: The general circulation of the North Atlantic west of 50°W determined from inverse methods. Rev. Geophys., 16, 583-620.
64. Wunsch, C., 1996: The Ocean Circulation Inverse Problem. Cambridge University Press, 442 pp.