Dynamics of wind-forced intraseasonal zonal current variations in the equatorial Indian Ocean

Journal of Geophysical Research: Oceans

Volumn 116, Issue 6, 2011, Pages

  Iskandar, Iskhaq ^a   McPhaden, Michael J ^a  

^a NOAA EARTH SYSTEM RESEARCH LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

GRAVITY WAVES; OCEAN CURRENTS; SPECTRUM ANALYSIS; STREAM FLOW; TIME SERIES; WIND STRESS;

BAROCLINIC; EKMAN PUMPING; EQUATORIAL INDIAN OCEAN; IN-PHASE; IN-SITU DATA; KELVIN WAVES; MOORED ARRAYS; NEAR-SURFACE; NEAR-SURFACE LAYERS; PHASE SPEED; ROSSBY WAVE; SEA SURFACE HEIGHT; STRUCTURE AND DYNAMICS; VELOCITY VARIATIONS; WIND STRESS CURL; ZONAL CURRENTS; ZONAL WIND;

TIME SERIES ANALYSIS;

BAROCLINIC MOTION; CLIMATE PREDICTION; DATA SET; EKMAN PUMPING; KELVIN WAVE; OSCILLATION; ROSSBY WAVE; SATELLITE DATA; SEA SURFACE HEIGHT; SEASONAL VARIATION; SPECTRAL ANALYSIS; THERMOCLINE; TIME SERIES; VELOCITY PROFILE; WAVE PROPAGATION; WIND FORCING; WIND STRESS; ZONAL WIND;

INDIAN OCEAN; INDIAN OCEAN (EQUATORIAL);

EID: 79959846827     PISSN: None     EISSN: 21699291     Source Type: Journal    
DOI: 10.1029/2010JC006864     Document Type: Article

References (45)

1. Bonjean, F., and G. S. E. Lagerloef (2002), Diagnostic model and analysis of the surface currents in the tropical Pacific Ocean, J. Phys. Oceanogr., 32, 2938-2954, doi:10.1175/1520-0485(2002)032<2938:DMAAOT>2.0.CO;2. (Pubitemid 35381494)
2. Cane, M., and D. W. Moore (1981), A note on low-frequency equatorial basin modes, J. Phys. Oceanogr., 11, 1578-1584, doi:10.1175/1520-0485(1981) 011<1578:ANOLFE>2.0.CO;2.
3. Emery, W. J., and R. E. Thomson (2004), Data Analysis Methods in Physical Oceanography, Elseiver, Amsterdam.
4. Fu, L. L. (2007), Intraseasonal variability of the equatorial Indian Ocean observed from sea surface height, wind, and temperature data, J. Phys. Oceanogr., 37, 188-202, doi:10.1175/JPO3006.1. (Pubitemid 46464169)
5. Gent, P. R., K. O'Neill, and M. A. Cane (1983), A model of the semiannual oscillation in the equatorial Indian Ocean, J. Phys. Oceanogr., 13, 2148-2160, doi:10.1175/1520-0485(1983)013<2148:AMOTSO>2.0.CO;2.
6. Han, W. (2005), Origins and dynamics of the 90-day and 30-60-day variations in the equatorial Indian Ocean, J. Phys. Oceanogr., 35, 708-728, doi:10.1175/JPO2725.1. (Pubitemid 40959368)
7. Han, W., and J. P. McCreary (2001), Modeling salinity distributions in the Indian Ocean, J. Geophys. Res., 106, 859-877, doi:10.1029/2000JC000316. (Pubitemid 33768458)
8. Han, W., J. P. McCreary, J. D. L. T. Anderson, and A. J. Mariano (1999), On the dynamics of the eastward surface jets in the equatorial Indian Ocean, J. Phys. Oceanogr., 29, 2191-2209, doi:10.1175/1520-0485 (1999)029<2191: DOTESJ>2.0.CO;2. (Pubitemid 30079275)
9. Han, W., T. Shinoda, L.-L. Fu, and J. P. McCreary (2006), Impact of atmospheric intraseasonal oscillations on the Indian Ocean dipole during the 1990s, J. Phys. Oceanogr., 36, 670-690, doi:10.1175/JPO2892.1.
10. Hendon, H., B. Liebmann, and J. D. Glick (1998), Oceanic Kelvin waves and the Madden-Julian oscillation, J. Atmos. Sci., 55, 88-101, doi:10.1175/1520- 0469(1998)055<0088:OKWATM>2.0.CO;2.
11. Horel, J. D. (1984), Complex principal component analysis: Theory and examples, J. Clim. Appl. Meteorol., 23, 1660-1673, doi:10.1175/1520-0450(1984) 023<1660:CPCATA>2.0.CO;2. (Pubitemid 15475775)
12. Horii, T., H. Hase, I. Ueki, and Y. Masumoto (2008), Oceanic precondition and evolution of the 2006 Indian Ocean dipole, Geophys. Res. Lett., 35, L03607, doi:10.1029/2007GL032464. (Pubitemid 351492924)
13. Iskandar, I., Y. Masumoto, and K. Mizuno (2009), Subsurface equatorial zonal current in the eastern Indian Ocean, J. Geophys. Res., 114, C06005, doi:10.1029/2008JC005188.
14. Jensen, T. G. (1993), Equatorial variability and resonance in a wind-driven Indian Ocean model, J. Geophys. Res., 98, 22,533-22,552, doi:10.1029/ 93JC02565.
15. Kessler, W. S., and J. P. McCreary (1993), The annual wind-driven Rossby wave in the subthermocline equatorial Pacific, J. Phys. Oceanogr., 23, 1192-1207, doi:10.1175/1520-0485(1993)023<1192:TAWDRW>2.0.CO;2. (Pubitemid 24429611)
16. Kessler, W. S., M. J. McPhaden, and K. M. Weickmann (1995), Forcing of intraseasonal Kelvin waves in the equatorial Pacific, J. Geophys. Res., 100, 10,613-10,631, doi:10.1029/95JC00382.
17. Knox, R. A. (1976), On a long series of measurements of Indian Ocean equatorial currents near Addu Atoll, Deep Sea Res., 23, 211-221.
18. Kutsuwada, K., and M. J. McPhaden (2002), Intraseasonal variations in the upper equatorial Pacific Ocean prior to and during the 1997-98 El Niño, J. Phys. Oceanogr., 32, 1133-1149, doi:10.1175/1520-0485(2002) 032<1133:IVITUE>2.0.CO;2. (Pubitemid 34526805)
19. Leibmann, B., and C. A. Smith (1996), Description of a complete (interpolated) outgoing longwave radiation dataset, Bull. Am. Meteorol. Soc., 77, 1275-1277.
20. Luther, D. S., D. E. Harrison, and R. A. Knox (1983), Zonal winds in the central equatorial Pacific and El Niño, Science, 222, 327-330, doi:10.1126/ science.222.4621.327. (Pubitemid 15252899)
21. Luyten, J. R., and D. H. Roemmich (1982), Equatorial currents at semiannual period in the Indian Ocean, J. Phys. Oceanogr., 12, 406-413, doi:10.1175/1520-0485(1982)012<0406:ECASAP>2.0.CO;2.
22. Masumoto, Y., H. Hase, Y. Kuroda, H. Matsuura, and K. Takeuchi (2005), Intraseasonal variability in the upper layer currents observed in the eastern equatorial Indian Ocean, Geophys. Res. Lett., 32, L02607, doi:10.1029/ 2004GL021896.
23. McCreary, J. P. (1984), Equatorial beams, J. Mar. Res., 42, 395-430, doi:10.1357/002224084788502792.
24. McPhaden, M. J. (1982), Variability in the central equatorial Indian Ocean. Part I: Ocean dynamics, J. Mar. Res., 40, 157-176.
25. McPhaden, M. J., and X. Yu (1999), Equatorial waves and the 1997-98 El Niño, Geophys. Res. Lett., 26, 2961-2964, doi:10.1029/1999GL004901. (Pubitemid 30045062)
26. McPhaden, M. J., G. Meyers, K. Ando, Y. Masumoto, V. S. N. Murty, M. Ravichandran, F. Syamsuddin, J. Vialard, L. Yu, and W. Yu (2009), RAMA: The Research Moored Array for African-Asian-Australian monsoon analysis and prediction, Bull. Am. Meteorol. Soc., 90, 459-480, doi:10.1175/2008BAMS2608.1.
27. Miyama, T., J. P. McCreary, D. Sengupta, and R. Senan (2006), Dynamics of biweekly oscillations in the equatorial Indian Ocean, J. Phys. Oceanogr., 36, 827-846, doi:10.1175/JPO2897.1. (Pubitemid 44018672)
28. Nagura, M., and M. J. McPhaden (2008), The dynamics of zonal current variations in the central Indian Ocean, Geophys. Res. Lett., 35, L23603, doi:10.1029/2008GL035961.
29. Nagura, M., and M. J. McPhaden (2010a), Wyrtki Jet dynamics: Seasonal variability, J. Geophys. Res., 115, C07009, doi:10.1029/2009JC005922.
30. Nagura, M., and M. J. McPhaden (2010b), Dynamics of zonal current variations associated with the Indian Ocean dipole, J. Geophys. Res., 115, C11026, doi:10.1029/2010JC006423.
31. O'Brien, J. J., and H. E. Hurlburt (1974), Equatorial jet in the Indian Ocean: Theory, Science, 184, 1075-1077, doi:10.1126/science.184.4141.1075.
32. Philander, S. G. H., and R. C. Pacanowski (1981), Response of Equatorial Oceans to Periodic Forcing, J. Geophys. Res., 86, 1903-1916, doi:10.1029/ JC086iC03p01903.
33. Rao, S. S., and T. Yamagata (2004), Abrupt termination of Indian Ocean dipole events in response to instraseasonal oscillations, Geophys. Res. Lett., 31, L19306, doi:10.1029/2004GL020842. (Pubitemid 40046931)
34. Reppin, J., F. A. Schott, J. Fischer, and D. Quadfasel (1999), Equatorial currents and transports in the upper central Indian Ocean: Annual cycle and interannual variability, J. Geophys. Res., 104, 15,495-15,514, doi:10.1029/1999JC900093.
35. Roemmich, D., and J. Gilson (2009), The 2004-2008 mean and annual cycle of temperature, salinity, and steric height in the global ocean from the Argo Program, Prog. Oceanogr., 82, 81-100, doi:10.1016/j. pocean.2009.03.004.
36. Roundy, P. E., and G. N. Kiladis (2006), Observed relationships between oceanic Kelvin waves and atmospheric forcing, J. Clim., 19, 5253-5272, doi:10.1175/JCLI3893.1. (Pubitemid 44712441)
37. Rui, H., and B. Wang (1990), Development characteristics and dynamics structure of tropical intraseasonal convection anomalies, J. Atmos. Sci., 47, 357-379, doi:10.1175/1520-0469(1990)047<0357:DCADSO>2.0.CO;2.
38. Schott, F., and J. P. McCreary (2001), The monsoon circulation of the Indian Ocean, Prog. Oceanogr., 51, 1-123, doi:10.1016/S0079-6611(01)00083-0. (Pubitemid 34029663)
39. Sengupta, D., R. Senan, and B. N. Goswami (2001), Origin of intraseasonal variability of circulation in the tropical central Indian Ocean, Geophys. Res. Lett., 28, 1267-1270, doi:10.1029/2000GL012251. (Pubitemid 32576027)
40. Sengupta, D., R. Senan, V. S. N. Murty, and V. Fernando (2004), A biweekly mode in the equatorial Indian Ocean, J. Geophys. Res., 109, C10003, doi:10.1029/2004JC002329. (Pubitemid 40098777)
41. Sengupta, D., R. Senan, B. N. Goswami, and J. Vialard (2007), Intraseasonal variability of Equatorial Indian Ocean Zonal Currents, J. Clim., 20, 3036-3055, doi:10.1175/JCLI4166.1. (Pubitemid 47099279)
42. Shinoda, T., P. E. Roundy, and G. N. Kiladis (2008), Variability of intraseasonal Kelvin waves in the equatorial Pacific Ocean, J. Phys. Oceanogr., 38, 921-944, doi:10.1175/2007JPO3815.1. (Pubitemid 351864846)
43. Weisberg, R. H., and C. Wang (1997), Slow variability in the equatorial west-central Pacific in relation to ENSO, J. Clim., 10, 1998-2017, doi:10.1175/1520-0442(1997)010<1998:SVITEW>2.0.CO;2. (Pubitemid 127614042)
44. Wyrtki, K. (1973), An equatorial jet in the Indian Ocean, Science, 181, 262-264, doi:10.1126/science.181.4096.262.
45. Zhang, C. (2005), Madden-Julian Oscillation, Rev. Geophys., 43, RG2003, doi:10.1029/2004RG000158. (Pubitemid 41131993)