Observations of the dispersion characteristics and meridional sea level structure of equatorial waves in the Pacific Ocean

Journal of Physical Oceanography

Volumn 38, Issue 8, 2008, Pages 1669-1689

  Farrar, J Thomas ^a  

^a WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANTI-SYMMETRIC; BAROCLINIC; DISPERSION CHARACTERISTICS; DISPERSION CURVES; DISPERSION RELATIONS; EQUATORIAL PACIFIC OCEANS; EQUATORIAL WAVES; GAUSSIAN PROFILES; KELVIN WAVES; LEVEL STRUCTURES; NORTHERN HEMISPHERES; PACIFIC OCEANS; POWER-SPECTRA; ROSSBY WAVES; SEA LEVEL VARIABILITIES; SEA SURFACE HEIGHTS; SPECTRAL PEAKS; SPECTRAL TECHNIQUES; TROPICAL INSTABILITY WAVES; ZONAL CURRENTS; ZONAL WAVENUMBER;

ATMOSPHERICS; COASTAL ZONES; DISPERSIONS; GRAVITY WAVES; OCEAN CURRENTS; OCEAN ENGINEERING; SEA LEVEL; SEAWATER;

DISPERSION (WAVES);

EQUATORIAL WAVE; KELVIN WAVE; ROSSBY WAVE; SEA LEVEL; SEA SURFACE HEIGHT; WAVE DISPERSION;

PACIFIC OCEAN;

EID: 65649146523     PISSN: 00223670     EISSN: None     Source Type: Journal    
DOI: 10.1175/2007JPO3890.1     Document Type: Article

References (59)

1. Bendat, J. S., and A. G. Piersol, 1986: Random Data: Analysis and Measurement Procedures. 2nd ed. Wiley, 566 pp.
2. Blandford, R., 1966: Mixed gravity-Rossby waves in the ocean. Deep-Sea Res., 13, 941-961.
3. Boulanger, J.-P., and C. Menkes, 1995: Propagation and reflection of long equatorial waves in the Pacific Ocean during the 1992-1993 El Ninño. J. Geophys. Res., 100, 25 041-25 059.
4. Boulanger, J.-P., and C. Menkes, 1999: Long equatorial wave reflection in the Pacific Ocean from TOPEX/POSEIDON data during the 1992-1998 period. Climate Dyn., 15, 205-225.
5. Boyd, J., 1982a: The influence of meridional shear on planetary waves. Part I: Nonsingular wind profiles. J. Atmos. Sci., 39, 756-769.
6. Boyd, J., 1982b: The influence of meridional shear on planetary waves. Part II: Critical latitudes. J. Atmos. Sci., 39, 770-790.
7. Brossier, F., 1987: Numerical modeling of equatorial waves in the presence of a mean current. J. Phys. Oceanogr., 17, 1100-1113.
8. Chelton, D., R. deSzoeke, M. Schlax, K. El Naggar, and N. Siwertz, 1998: Geographical variability of the first baroclinic Rossby radius of deformation. J. Phys. Oceanogr., 28, 433-460.
9. Chelton, D., F. Wentz, C. Gentemann, R. deSzoeke, and M. Schlax, 2000: Satellite microwave SST observations of transequatorial tropical instability waves. Geophys. Res. Lett., 27, 1239-1242.
10. Chelton, D., M. Schlax, J. Lyman, and G. Johnson, 2003: Equatorially trapped Rossby waves in the presence of a meridionally sheared baroclinic flow in the Pacific Ocean. Prog. Oceanogr., 56, 323-380.
11. Cravatte, S., J. Picaut, and G. Eldin, 2003: Second and first baroclinic Kelvin modes in the equatorial Pacific at intraseasonal timescales. J. Geophys. Res., 108, 3266, doi:10.1029/2002JC001511.
12. Delcroix, T., J. Picaut, and G. Eldin, 1991: Equatorial Kelvin and Rossby waves evidenced in the Pacific Ocean through Geosat sea level and surface current anomaly. J. Geophys. Res., 96, 3249-3262.
13. Delcroix, T., J.-P. Boulanger, F. Masia, and C. Menkes, 1994: Geosat-derived sea level and surface current anomalies in the equatorial Pacific during the 1986-1989 El Niño and La Niña. J. Geophys. Res., 99, 25 093-25 107.
14. Donohue, K., and M. Wimbush, 1998: Model results of flow instabilities in the tropical Pacific Ocean. J. Geophys. Res., 103, 21 401-21 412.
15. Enfield, D., 1987: The intraseasonal oscillation in eastern Pacific sea levels: How is it forced? J. Phys. Oceanogr., 17, 1860-1876.
16. Eriksen, C., 1982: Equatorial wave vertical modes observed in a western Pacific island array. J. Phys. Oceanogr., 12, 1206-1227.
17. Eriksen, C., and J. Richman, 1988: An estimate of equatorial wave energy flux at 9- to 90-day periods in the central Pacific. J. Geophys. Res., 93, 15 455-15 466.
18. Farrar, J. T., and R. A. Weller, 2006: Intraseasonal variability near 10°N in the eastern tropical Pacific Ocean. J. Geophys. Res., 111, C05015, doi:10.1029/2005JC002989.
19. Hendon, H., and M. Salby, 1994: The life cycle of the Madden-Julian oscillation. J. Atmos. Sci., 51, 2225-2237.
20. Hendon, H., B. Liebmann, and J. Glick, 1998: Oceanic Kelvin waves and the Madden-Julian oscillation. J. Atmos. Sci., 55, 88-101.
21. Johnson, E., 1993: Effects of a mean three-dimensional flow on intraseasonal Kelvin waves in the equatorial Pacific Ocean. J. Geophys. Res., 98, 10 185-10 194.
22. Johnson, E., and M. McPhaden, 1993: Structure of intraseasonal Kelvin waves in the equatorial Pacific Ocean. J. Phys. Oceanogr., 23, 608-625.
23. Kessler, W., and J. McCreary, 1993: The annual wind-driven Rossby wave in the subthermocline equatorial Pacific. J. Phys. Oceanogr., 23, 1192-1207.
24. Kessler, W., and M. McPhaden, 1995: Oceanic Kelvin waves and the 1991-93 El Niño. J. Climate, 8, 1757-1774.
25. Kessler, W., and M. McPhaden, and K. Weickmann, 1995: Forcing of intraseasonal Kelvin waves in the equatorial Pacific. J. Geophys. Res., 100, 10 613-10 631.
26. Kutsuwada, K., and M. 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.
27. Lukas, R., and E. Firing, 1985: The annual Rossby wave in the central equatorial Pacific Ocean. J. Phys. Oceanogr., 15, 55-67.
28. Luther, D., and E. Johnson, 1990: Eddy energetics in the upper equatorial Pacific during the Hawaii-to-Tahiti Shuttle Experiment. J. Phys. Oceanogr., 20, 913-944.
29. Lyman, J., D. Chelton, R. deSzoeke, and R. Samelson, 2005: Tropical instability waves as a resonance between equatorial Rossby waves. J. Phys. Oceanogr., 35, 232-254.
30. Lyman, J., G. Johnson, and W. Kessler, 2007: Distinct 17-day and 33-day tropical instability waves in subsurface observations. J. Phys. Oceanogr., 37, 855-872.
31. Matsuno, T., 1966: Quasi-geostrophic motions in the equatorial area. J. Meteor. Soc. Japan, 44, 25-43.
32. McPhaden, M., 1996: Monthly period oscillations in the Pacific North Equatorial Countercurrent. J. Geophys. Res., 101, 6337-6359.
33. McPhaden, M., and R. Knox, 1979: Equatorial Kelvin and inertio-gravity waves in a zonal shear flow. J. Phys. Oceanogr., 9, 263-277.
34. McPhaden, M., and B. Taft, 1988: Dynamics of seasonal and intraseasonal variability in the eastern equatorial Pacific. J. Phys. Oceanogr., 18, 1713-1732.
35. McPhaden, M., and P. Ripa, 1990: Wave-mean flow interactions in the equatorial ocean. Annu. Rev. Fluid Mech., 22, 167-205.
36. McPhaden, M., J. Proehl, and L. Rothstein, 1986: The interaction of equatorial Kelvin waves with realistically sheared zonal currents. J. Phys. Oceanogr., 16, 1499-1515.
37. McPhaden, M., and Coauthors, 1998: Tropical Ocean Global Atmosphere (TOGA) observing system: A decade of progress. J. Geophys. Res., 103, 14 169-14 240.
38. Meyers, S., and J. O'Brien, 1994: Spatial and temporal 26-day SST variations in the equatorial Indian Ocean using wavelet analysis. Geophys. Res. Lett., 21, 777-780.
39. McPhaden, M., B. Kelly, and J. O'Brien, 1993: An introduction to wavelet analysis in oceanography and meteorology: With application to the dispersion of Yanai waves. Mon. Wea. Rev., 121, 2858-2866.
40. Moore, D., and S. Philander, 1977: Modelling the tropical ocean circulation. The Sea - Ideas and Observations on Progress in the Study of the Seas, E. D. Goldberg, Ed., Marine Modeling, Vol. 6, John Wiley and Sons, 319-361.
41. Munk, W., and D. Moore, 1968: Is the Cromwell Current driven by equatorial Rossby waves? J. Fluid Mech., 33, 241-259.
42. Perez, R., D. Chelton, and R. Miller, 2005: The effects of wind forcing and background mean currents on the latitudinal structure of equatorial Rossby waves. J. Phys. Oceanogr., 35, 666-682.
43. Périgaud, C., 1990: Sea level oscillations observed with Geosat along the two shear fronts of the Pacific north equatorial countercurrent. J. Geophys. Res., 95, 7239-7248.
44. Polito, P. S., and O. T. Sato, 2003: Patterns of sea surface height and heat storage associated to intraseasonal Rossby waves in the tropics. J. Geophys. Res., 108, 3373, doi:10.1029/2002JC001684.
45. Qiao, L., and R. Weisberg, 1995: Tropical instability wave kinematics: Observations from the Tropical Instability Wave Experiment. J. Geophys. Res., 100, 8677-8693.
46. Ripa, P., and S. Hayes, 1981: Evidence for equatorial trapped waves at the Gal pagos Islands. J. Geophys. Res., 86, 6509-6516.
47. Roundy, P., and W. Frank, 2004a: A climatology of waves in the equatorial region. J. Atmos. Sci., 61, 2105-2132.
48. Roundy, P., and W. Frank, 2004b: Effects of low-frequency wave interactions on intraseasonal oscillations. J. Atmos. Sci., 61, 3025-3040.
49. Roundy, P., and G. Kiladis, 2006: Observed relationships between oceanic Kelvin waves and atmospheric forcing. J. Climate, 19, 5253-5272.
50. Schlax, M., and D. Chelton, 1994: Aliased tidal errors in TOPEX/POSEIDON sea surface height data. J. Geophys. Res., 99, 24 761-24 775.
51. Takayabu, Y., 1994: Large-scale cloud disturbances associated with equatorial waves. Part I: Spectral features of the cloud disturbances. J. Meteor. Soc. Japan, 72, 433-448.
52. Tsai, P., J. O'Brien, and M. Luther, 1992: The 26-day oscillation observed in the satellite sea surface temperature measurements in the equatorial western Indian Ocean. J. Geophys. Res., 97, 9605-9618.
53. Wakata, Y., 2007: Frequency-wavenumber spectra of equatorial waves detected from satellite altimeter data. J. Oceanogr., 63, 483-490.
54. Wallace, J., and V. Kousky, 1968: Observational evidence of Kelvin waves in the tropical stratosphere. J. Atmos. Sci., 25, 900-907.
55. Wheeler, M., and G. Kiladis, 1999: Convectively coupled equatorial waves: Analysis of clouds and temperature in the wavenumber-frequency domain. J. Atmos. Sci., 56, 374-399.
56. Wunsch, C., and A. Gill, 1976: Observations of equatorially trapped waves in Pacific sea level variations. Deep-Sea Res., 23, 371-390.
57. Yanai, M., and M. Murakami, 1970: Spectrum analysis of symmetric and antisymmetric equatorial waves. J. Meteor. Soc. Japan, 48, 331-346.
58. Zang, X., L.-L. Fu, and C. Wunsch, 2002: Observed reflectivity of the western boundary of the equatorial Pacific Ocean. J. Geophys. Res., 107, 3150, doi:10.1029/2000JC000719.
59. Zangvil, A., and M. Yanai, 1980: Upper tropospheric waves in the tropics. Part I: Dynamical analysis in the wavenumber-frequency domain. J. Atmos. Sci., 37, 283-298.