Table of Contents Author Guidelines Submit a Manuscript
The Scientific World Journal
Volume 2012, Article ID 612048, 11 pages
http://dx.doi.org/10.1100/2012/612048
Research Article

Seasonality of Tropical Instability Waves and Its Feedback to the Seasonal Cycle in the Tropical Eastern Pacific

1Department of Atmospheric Sciences, Yonsei University, Seoul 120-749, Republic of Korea
2Institut de Recherche pour le Developpement, Laboratoire d’Oceanographie et de Climatologie, Experimentations et Approches Numériques, Couloir 45-55, 4ème étage, Case 100, 4 place Jussieu, 75252 Paris Cedex 05, France

Received 22 April 2012; Accepted 5 August 2012

Academic Editors: T. Kono, M. K. Musyl, A. Sfriso, and R. Tailleux

Copyright © 2012 Seul-Hee Im et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. D. B. Chelton, F. J. Wentz, C. L. Gentemann, R. A. de Szoeke, and M. G. Schlax, “Satellite microwave SST observations of transequatorial tropical instability waves,” Geophysical Research Letters, vol. 27, no. 9, pp. 1239–1242, 2000. View at Publisher · View at Google Scholar · View at Scopus
  2. R. H. Weisberg and T. J. Weingartner, “Instability waves in the equatorial Atlantic ocean,” Journal of Physical Oceanography, vol. 18, no. 11, pp. 1641–1657, 1988. View at Google Scholar
  3. L. Qiao and R. H. Weisberg, “Tropical instability wave kinematics: observations from the Tropical Instability Wave Experiment,” Journal of Geophysical Research, vol. 100, no. 5, pp. 8677–8693, 1995. View at Google Scholar · View at Scopus
  4. S. G. H. Philander, “Instabilities of zonal equatorial currents,” Journal of Geophysical Research, vol. 81, no. 21, pp. 3725–3735, 1976. View at Google Scholar · View at Scopus
  5. S. G. H. Philander, “Instabilities of zonal equatorial currents, 2,” Journal of Geophysical Research, vol. 83, no. 7, pp. 3679–3682, 1978. View at Google Scholar
  6. M. D. Cox, “Generation and propagation of 30-day waves in a numerical model of the Pacific,” Journal of Physical Oceanography, vol. 10, no. 8, pp. 1168–1186, 1980. View at Google Scholar · View at Scopus
  7. Z. Yu, J. P. McCreary, and J. A. Proehl, “Meridional asymmetry and energetics of tropical instability waves,” Journal of Physical Oceanography, vol. 25, no. 12, pp. 2997–3007, 1995. View at Google Scholar · View at Scopus
  8. S. A. Grodsky, J. A. Carton, C. Provost, J. Servain, J. A. Lorenzzetti, and M. J. McPhaden, “Tropical instability waves at O °N, 23 °W in the Atlantic: a case study using Pilot Research Moored Array in the Tropical Atlantic (PIRATA) mooring data,” Journal of Geophysical Research C, vol. 110, no. 8, Article ID C08010, 12 pages, 2005. View at Publisher · View at Google Scholar · View at Scopus
  9. K. von Schuckmann, P. Brandt, and C. Eden, “Generation of tropical instability waves in the Atlantic Ocean,” Journal of Geophysical Research C, vol. 113, no. 8, Article ID C08034, 12 pages, 2008. View at Publisher · View at Google Scholar · View at Scopus
  10. R. F. Contreras, “Long-term observations of tropical instability waves,” Journal of Physical Oceanography, vol. 32, no. 9, pp. 2715–2723, 2002. View at Google Scholar · View at Scopus
  11. D. V. Hansen and C. A. Paul, “Genesis and effects of long waves in the equatorial Pacific,” Journal of Geophysical Research, vol. 89, no. 6, pp. 10431–10440, 1984. View at Google Scholar
  12. H. L. Bryden and E. C. Brady, “Eddy momentum and heat fluxes and their effects on the circulation of the equatorial Pacific Ocean,” Journal of Marine Research, vol. 47, no. 1, pp. 55–79, 1989. View at Google Scholar
  13. N. G. Baturin and P. P. Niiler, “Effects of instability waves in the mixed layer of the equatorial Pacific,” Journal of Geophysical Research C, vol. 102, no. 13, pp. 27771–27793, 1997. View at Google Scholar · View at Scopus
  14. M. Jochum, M. F. Cronin, W. S. Kessler, and D. Shea, “Observed horizontal temperature advection by tropical instability waves,” Geophysical Research Letters, vol. 34, no. 9, Article ID L09604, 4 pages, 2007. View at Publisher · View at Google Scholar · View at Scopus
  15. C. E. R. Menkes, J. G. Vialard, S. C. Kennan, J. P. Boulanger, and G. V. Madec, “A modeling study of the impact of tropical instability waves on the heat budget of the eastern equatorial Pacific,” Journal of Physical Oceanography, vol. 36, no. 5, pp. 847–865, 2006. View at Publisher · View at Google Scholar · View at Scopus
  16. The DRAKKAR Group, “Eddy-permitting ocean circulation hindcasts of past decades,” CLIVAR Exchanges, vol. 12, no. 3, pp. 8–10, 2007. View at Google Scholar
  17. L. Brodeau, B. Barnier, A. M. Treguier, T. Penduff, and S. Gulev, “An ERA40-based atmospheric forcing for global ocean circulation models,” Ocean Modelling, vol. 31, no. 3-4, pp. 88–104, 2010. View at Publisher · View at Google Scholar · View at Scopus
  18. G. Madec, “NEMO ocean engine,” in Note du Pôle de modélisation, vol. 27, pp. 1288–1619, Institut Pierre-Simon Laplace (IPSL), 2008. View at Google Scholar
  19. R. Timmermann, H. Goosse, G. Madec, T. Fichefet, C. Ethe, and V. Dulière, “On the representation of high latitude processes in the ORCA-LIM global coupled sea ice-ocean model,” Ocean Modelling, vol. 8, no. 1-2, pp. 175–201, 2005. View at Publisher · View at Google Scholar · View at Scopus
  20. J. Vialard, C. Menkes, J. P. Boulanger et al., “A model study of oceanic mechanisms affecting equatorial pacific sea surface temperature during the 1997-98 El Niño,” Journal of Physical Oceanography, vol. 31, no. 7, pp. 1649–1675, 2001. View at Google Scholar · View at Scopus
  21. M. Lengaigne, G. Madec, C. Menkes, and G. Alory, “Impact of isopycnal mixing on the tropical ocean circulation,” Journal of Geophysical Research C, vol. 108, no. 11, 14 pages, 2003. View at Google Scholar · View at Scopus
  22. M. Lengaigne, U. Hausmann, G. Madec, C. Menkes, J. Vialard, and J. M. Molines, “Mechanisms controlling warm water volume interannual variations in the equatorial Pacific: diabatic versus adiabatic processes,” Climate Dynamics, vol. 38, no. 5-6, pp. 1031–1046, 2012. View at Publisher · View at Google Scholar · View at Scopus
  23. M. Lengaigne, J. P. Boulanger, C. Menkes, and H. Spencer, “Influence of the seasonal cycle on the termination of El Niño events in a coupled general circulation model,” Journal of Climate, vol. 19, no. 9, pp. 1850–1868, 2006. View at Google Scholar · View at Scopus
  24. B. Blanke and P. Delecluse, “Variability of the tropical Atlantic Ocean simulated by a general circulation model with two different mixed-layer physics,” Journal of Physical Oceanography, vol. 23, no. 7, pp. 1363–1388, 1993. View at Google Scholar · View at Scopus
  25. M. Lévy, A. Estublier, and G. Madec, “Choice of an advection scheme for biogeochemical models,” Geophysical Research Letters, vol. 28, no. 19, pp. 3725–3728, 2001. View at Publisher · View at Google Scholar · View at Scopus
  26. W. G. Large and S. G. Yeager, “Diurnal to decadal global forcing for ocean and sea-ice models: the data sets and flux climatologies,” NCAR Technical Note NCAR/TN-460+STR, Climate and Global Dynamics Division, 2004. View at Google Scholar
  27. S. M. Griffies, A. Biastoch, C. Böning et al., “Coordinated ocean-ice reference experiments (COREs),” Ocean Modelling, vol. 26, no. 1-2, pp. 1–46, 2009. View at Publisher · View at Google Scholar · View at Scopus
  28. Y. Zhang, W. B. Rossow, A. A. Lacis, V. Oinas, and M. I. Mishchenko, “Calculation of radiative fluxes from the surface to top of atmosphere based on ISCCP and other global data sets: Refinements of the radiative transfer model and the input data,” Journal of Geophysical Research D, vol. 109, no. 19, 27 pages, 2004. View at Publisher · View at Google Scholar · View at Scopus
  29. X. Yu and M. J. McPhaden, “Seasonal variability in the equatorial Pacific,” Journal of Physical Oceanography, vol. 29, no. 5, pp. 925–947, 1999. View at Google Scholar · View at Scopus
  30. E. S. Johnson and D. S. Luther, “Mean zonal momentum balance in the upper and central equatorial Pacific Ocean,” Journal of Geophysical Research, vol. 99, no. 4, pp. 7689–7705, 1994. View at Publisher · View at Google Scholar · View at Scopus
  31. B. Qiu, “Variability and energetic of the Kuroshio extension and its recirculation gyre from the first two-year TOPEX data,” Journal of Physical Oceanography, vol. 25, no. 8, pp. 1827–1842, 1995. View at Google Scholar
  32. L. Qiao and R. H. Weisberg, “Tropical instability wave energetics: observations from the tropical instability wave experiment,” Journal of Physical Oceanography, vol. 28, no. 2, pp. 345–360, 1998. View at Google Scholar · View at Scopus
  33. M. Jochum and R. Murtugudde, “Temperature advection by tropical instability waves,” Journal of Physical Oceanography, vol. 36, no. 4, pp. 592–605, 2006. View at Publisher · View at Google Scholar · View at Scopus
  34. S. I. An, “Interannual variations of the tropical ocean instability wave and ENSO,” Journal of Climate, vol. 21, no. 15, pp. 3680–3686, 2008. View at Publisher · View at Google Scholar · View at Scopus
  35. X. Chen and M. Kimoto, “Simulating tropical instability waves in the equatorial eastern Pacific with a coupled general circulation model,” Advances in Atmospheric Sciences, vol. 26, no. 5, pp. 1015–1026, 2009. View at Publisher · View at Google Scholar · View at Scopus
  36. S. I. An, “Interannual changes in the variability of tropical Pacific instability waves,” Asia-Pacific Journal of Atmospheric Sciences, vol. 44, no. 3, pp. 249–258, 2008. View at Google Scholar · View at Scopus
  37. S. I. An and F. F. Jin, “Nonlinearity and asymmetry of ENSO,” Journal of Climate, vol. 17, no. 12, pp. 2399–2412, 2004. View at Google Scholar