About this Journal Submit a Manuscript Table of Contents
Advances in Meteorology
Volume 2012 (2012), Article ID 980816, 15 pages
http://dx.doi.org/10.1155/2012/980816
Research Article

Changes in the Austral Winter Hadley Circulation and the Impact on Stationary Rossby Waves Propagation

Department of Atmospheric Sciences, Institute of Astronomy, Geophysics and Atmospheric Sciences (IAG), 05508-090 São Paulo, SP, Brazil

Received 18 July 2012; Revised 2 October 2012; Accepted 3 October 2012

Academic Editor: Luis Gimeno

Copyright © 2012 Ana Carolina Vasques Freitas and Tércio Ambrizzi. 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. Y. Hu and C. Zhou, “Decadal changes in the Hadley circulation,” Advances in Geosciences, vol. 16, pp. 61–71, 2008.
  2. B. J. Hoskins and T. Ambrizzi, “Rossby wave propagation on a realistic longitudinally varying flow,” Journal of the Atmospheric Sciences, vol. 50, no. 12, pp. 1661–1671, 1993. View at Scopus
  3. R. J. Haarsma and F. Selten, “Anthropogenic changes in the Walker Circulation and their impact on the extra-tropical planetary wave structure,” Climate Dynamics, vol. 39, no. 7-8, pp. 1781–1799, 2012. View at Publisher · View at Google Scholar
  4. B. J. Hoskins and D. J. Karoly, “The steady linear response of a spherical atmosphere to thermal and orographic forcing,” Journal of the Atmospheric Sciences, vol. 38, no. 6, pp. 1179–1196, 1981. View at Scopus
  5. J. A. Marengo, T. Ambrizzi, G. Kiladis, and B. Liebmann, “Upper-air wave trains over the Pacific Ocean and wintertime cold surges in tropical-subtropical South America leading to Freezes in Southern and Southeastern Brazil,” Theoretical and Applied Climatology, vol. 73, no. 3-4, pp. 223–242, 2002. View at Publisher · View at Google Scholar · View at Scopus
  6. G. V. Müller and T. Ambrizzi, “Teleconnection patterns and Rossby wave propagation associated to generalized frosts over southern South America,” Climate Dynamics, vol. 29, no. 6, pp. 633–645, 2007. View at Publisher · View at Google Scholar · View at Scopus
  7. J. Lu, C. Deser, and T. Reichler, “Cause of the widening of the tropical belt since 1958,” Geophysical Research Letters, vol. 36, no. 3, Article ID L03803, 2009. View at Publisher · View at Google Scholar · View at Scopus
  8. J. Lu, G. A. Vecchi, and T. Reichler, “Expansion of the Hadley cell under global warming,” Geophysical Research Letters, vol. 34, no. 14, Article ID L14808, 2007. View at Publisher · View at Google Scholar · View at Scopus
  9. Y. Hu and Q. Fu, “Observed poleward expansion of the Hadley circulation since 1979,” Atmospheric Chemistry and Physics, vol. 7, no. 19, pp. 5229–5236, 2007. View at Scopus
  10. T. J. Reichler and I. M. Held, “Evidence for a widening of the Hadley cell,” in Proceedings of the 17th AMS Conference on Climate. Variability and Change, American Meteorological Society, Cambridge, Mass, USA, 2005.
  11. D. J. Seidel, Q. Fu, W. J. Randel, and T. J. Reichler, “Widening of the tropical belt in a changing climate,” Nature Geoscience, vol. 1, no. 1, pp. 21–24, 2008. View at Publisher · View at Google Scholar · View at Scopus
  12. T. Reichler, “Changes in the atmospheric circulation as indicator of climate change,” in Climate Change: Observed Impacts on Planet Earth, T. M. Letcher, Ed., pp. 145–164, Amsterdam, The Netherlands, 2009.
  13. G. A. Vecchi and B. J. Soden, “Global warming and the weakening of the tropical circulation,” Journal of Climate, vol. 20, no. 17, pp. 4316–4340, 2007. View at Publisher · View at Google Scholar · View at Scopus
  14. T. Ambrizzi, B. J. Hoskins, and H.-H. Hsu, “Rossby wave propagation and teleconnection patterns in the austral winter,” Journal of the Atmospheric Sciences, vol. 52, no. 21, pp. 3661–3672, 1995. View at Scopus
  15. M. Kanamitsu, W. Ebisuzaki, J. Woollen et al., “NCEP-DOE AMIP-II reanalysis (R-2),” Bulletin of the American Meteorological Society, vol. 83, no. 11, pp. 1631–1643, 2002. View at Scopus
  16. H. L. Tanaka, N. Ishizaki, and A. Kitoh, “Trend and interannual variability of Walker, monsoon and Hadley circulations defined by velocity potential in the upper troposphere,” Tellus A, vol. 56, no. 3, pp. 250–269, 2004. View at Publisher · View at Google Scholar · View at Scopus
  17. A. H. Oort and J. J. Yienger, “Observed interannual variability in the Hadley circulation and its connection to ENSO,” Journal of Climate, vol. 9, no. 11, pp. 2751–2767, 1996. View at Scopus
  18. D. E. Waliser, Z. Shi, J. R. Lanzante, and A. H. Oort, “The Hadley circulation: assessing NCEP/NCAR reanalysis and sparse in-situ estimates,” Climate Dynamics, vol. 15, no. 10, pp. 719–735, 1999. View at Publisher · View at Google Scholar · View at Scopus
  19. G. Gastineau, L. Li, and H. Le Treut, “The Hadley and Walker circulation changes in global warming conditions described by idealized atmospheric simulations,” Journal of Climate, vol. 22, no. 14, pp. 3993–4013, 2009. View at Publisher · View at Google Scholar · View at Scopus
  20. P. D. Sardeshmukh and B. J. Hoskins, “The generation of global rotational flow by steady idealized tropical divergence,” Journal of the Atmospheric Sciences, vol. 45, no. 7, pp. 1228–1251, 1988. View at Scopus
  21. I. Simmonds and E. P. Lim, “Biases in the calculation of Southern Hemisphere mean baroclinic eddy growth rate,” Geophysical Research Letters, vol. 36, no. 1, Article ID L01707, 2009. View at Publisher · View at Google Scholar · View at Scopus
  22. M. H. Shimizu and I. Cavalcanti, “Variability patterns of Rossby wave source,” Climate Dynamics, vol. 37, no. 3-4, pp. 441–454, 2011. View at Publisher · View at Google Scholar
  23. P. D. Sardeshmukh and B. J. Hoskins, “Spatial smoothing on the sphere,” Monthly Weather Review, vol. 112, pp. 2524–2529, 1984.
  24. B. J. Hoskins, “Representation of the earth topography using spherical harmonics,” Monthly Weather Review, vol. 108, no. 1, pp. 111–115, 1980. View at Scopus
  25. A. J. Simmons, “The forcing of stationary wave motion by tropical diabatic heating,” Quarterly Journal Royal Meteorological Society, vol. 108, no. 457, pp. 503–534, 1982. View at Scopus
  26. P. J. Webster and J. R. Holton, “Cross-equatorial response to middle-latitude forcing in a zonally varying basic state,” Journal of the Atmospheric Sciences, vol. 39, no. 4, pp. 722–733, 1982. View at Scopus
  27. D. J. Karoly, “Rossby wave propagation in a barotropic atmosphere,” Dynamics of Atmospheres and Oceans, vol. 7, no. 2, pp. 111–125, 1983. View at Scopus
  28. G. Branstator, “Horizontal energy propagation in a barotropic atmosphere with meridional and zonal structure,” Journal of the Atmospheric Sciences, vol. 40, no. 7, pp. 1689–1708, 1983. View at Scopus
  29. K. Takaya and H. Nakamura, “A formulation of a phase-independent wave-activity flux for stationary and migratory quasigeostrophic eddies on a zonally varying basic flow,” Journal of the Atmospheric Sciences, vol. 58, no. 6, pp. 608–627, 2001. View at Scopus
  30. R. A. Plumb, “On the three-dimensional propagation of stationary waves,” Journal of the Atmospheric Sciences, vol. 42, no. 3, pp. 217–229, 1985. View at Scopus
  31. G. C. Tyrrell, D. J. Karoly, and J. L. Mcbride, “Links between tropical convection and variations of the extratropical circulation during TOGA COARE,” Journal of the Atmospheric Sciences, vol. 53, no. 18, pp. 2735–2748, 1996. View at Scopus
  32. K. E. Trenberth, G. W. Branstator, D. Karoly, A. Kumar, N.-C. Lau, and C. Ropelewski, “Progress during TOGA in understanding and modeling global teleconnections associated with tropical sea surface temperatures,” Journal of Geophysical Research C, vol. 103, no. 7, pp. 14291–14324, 1998. View at Scopus
  33. X.-W. Quan, H. F. Diaz, and M. P. Hoerling, “Change in the tropical Hadley cell since 1950,” in The Hadley Circulation: Present, Past and Future, H. F. Diaz and R. S. Bradley, Eds., pp. 85–120, Kluwer Academic, 2005.
  34. F. Jin and B. J. Hoskins, “The direct response to tropical heating in a baroclinic atmosphere,” Journal of the Atmospheric Sciences, vol. 52, no. 3, pp. 307–319, 1995. View at Scopus
  35. A. C. V. Freitas and V. Brahmananda Rao, “Multidecadal and interannual changes of stationary Rossby waves,” Quarterly Journal of the Royal Meteorological Society, vol. 137, no. 661, pp. 2157–2173, 2011. View at Publisher · View at Google Scholar · View at Scopus