Implication of the Madden-Julian oscillation in the 40-day variability of the West African monsoon

Journal of Climate

Volumn 22, Issue 13, 2009, Pages 3769-3785

  Pohl, Benjamin ^a   Janicot, Serge ^b   Fontaine, Bernard ^a   Marteau, Romain ^a  

^a UNIVERSITÉ DE BOURGOGNE   (France)

^b INSTITUT DE RECHERCHE POUR LE DÉVELOPPEMENT   (France)

Author keywords

[No Author keywords available]

Indexed keywords

CONVECTIVE FLUCTUATIONS; DRY SEASONS; DRY SPELLS; ENHANCED CONVECTION; IN-PHASE; INTRASEASONAL VARIABILITY; LOCAL MODES; MADDEN-JULIAN OSCILLATION; OUTGOING LONGWAVE RADIATION; RAIN GAUGES; SCALE PATTERN; VERTICAL VELOCITY; WEST AFRICA; WEST AFRICAN MONSOON;

DROUGHT; GAGES; METEOROLOGICAL INSTRUMENTS;

CLIMATE CHANGE;

CONVECTION; LONGWAVE RADIATION; MADDEN-JULIAN OSCILLATION; MONSOON; PERTURBATION; PRECIPITATION ASSESSMENT; PRECIPITATION INTENSITY; RAINGAUGE; SEASONAL VARIATION; WALKER CIRCULATION; WIND VELOCITY;

AFRICA; SAHEL [SUB-SAHARAN AFRICA]; SUB-SAHARAN AFRICA; WEST AFRICA;

EID: 67749084563     PISSN: 08948755     EISSN: None     Source Type: Journal    
DOI: 10.1175/2009JCLI2805.1     Document Type: Article

References (43)

1. Anderson, J. R., D. E. Stevens, and P. R. Julian, 1984: Temporal variations of the tropical 40-50-day oscillation. Mon. Wea. Rev., 112, 2431-2438.
2. Annamalai, H., and J. M. Slingo, 2001: Active/break cycles: Diagnosis of the intraseasonal variability of the Asian summer monsoon. Climate Dyn., 18, 85-102.
3. Anyamba, E. K., and B. C. Weare, 1995: Temporal variability of the 40-50-day oscillation in tropical convection. Int. J. Climatol., 15, 379-402.
4. Barron, J., J. Rockstrom, F. Gichuki, and N. Hatibu, 2003: Dry spell analysis and maize yields for two semi-arid locations in East Africa. Agric. For. Meteor., 117, 23-37.
5. Bellenger, H., and J.-P. Duvel, 2007: Intraseasonal convective perturbations related to the seasonal march of the Indo-Pacific monsoons. J. Climate, 20, 2853-2863.
6. Carvalho, L. M. V., C. Jones, and B. Liebmann, 2004: The South Atlantic convergence zone: Intensity, form, persistence, and relationships with intraseasonal to interannual activity and extreme rainfall. J. Climate, 17, 88-108.
7. Diop, M., 1999: Caractérisation du facteur hydrique en agriculture pluviale au Sénégal: le cas de l'arachide et du mil. Ph.D. thesis, Université de Bourgogne, 185 pp.
8. Duvel, J.-P., and J. Vialard, 2007: Climatology of sea surface temperature perturbations associated with the Madden-Julian oscillation. J. Climate, 20, 3056-3082.
9. Duvel, J.-P., R. Roca, and J. Vialard, 2004: Ocean mixed layer temperature variations induced by intraseasonal convective perturbations over the Indian Ocean. J. Atmos. Sci., 61, 1004-1023.
10. Foltz, G. R., and M. J. McPhaden, 2004: The 30-70 day oscillations in the tropical Atlantic. Geophys. Res. Lett., 31, L15205, doi:10.1029/2004GL020023.
11. Goulet, L., and J.-P. Duvel, 2000: A new approach to detect and characterize intermittent atmospheric oscillations: Application to the intraseasonal oscillations. J. Atmos. Sci., 57, 2397-2416.
12. Gray, B. M., 1988: Seasonal frequency variations in the 40-50 day oscillation. Int. J. Climatol., 8, 511-519.
13. Hsu, H.-H., and C.-H. Weng, 2001: Northwestward propagation of the intraseasonal oscillation in the western North Pacific during the boreal summer: Structure and mechanisms. J. Climate, 14, 3834-3850.
14. Janicot, S., and B. Sultan, 2001: Intra-seasonal modulation of convection in the West African monsoon. Geophys. Res. Lett., 28, 523-526.
15. Janicot, S., F. Mounier, N. M. J. Hall, S. Leroux, B. Sultan, and G. N. Kiladis, 2009: The dynamics of the West African monsoon. Part IV: Analysis of the 25-90-day variability of convection and the role of the Indian monsoon. J. Climate, 22, 1541-1565.
16. Kanamitsu, M., W. Ebisuzaki, J. Woollen, S.-K. Yang, J. J. Hnilo, M. Fiorino, and G. L. Potter, 2002: NCEP-DOE AMIP II reanalysis (R-2). Bull. Amer. Meteor. Soc., 83, 1631-1643.
17. Kessler, W. S., 2001: EOF representation of the Madden-Julian oscillation and its connection with ENSO. J. Climate, 14, 3055-3061.
18. Khandekar, M. L., 1989: Comments on "An investigation of the relationship between sub-Saharan rainfall and global sea surface temperatures." Atmos.-Ocean, 27, 597-600.
19. Knutson, T. R., and K. M. Weickmann, 1987: 30-60-day atmospheric oscillations: Composite life cycles of convection and circulation anomalies. Mon. Wea. Rev., 115, 1407-1436.
20. Lawrence, D. M., and P. J. Webster, 2002: The boreal summer intraseasonal oscillation: Relationship between northward and eastward movement of convection. J. Atmos. Sci., 59, 1593-1606.
21. Liebmann, B., and C. A. Smith, 1996: Description of a complete (interpolated) outgoing longwave radiation dataset. Bull. Amer. Meteor. Soc., 77, 1275-1277.
22. Madden, R. A., 1986: Seasonal variations of the 40-50-day oscillation in the tropics. J. Atmos. Sci., 43, 3138-3158.
23. Madden, R. A., and P. R. Julian, 1994: Observations of the 40-50-day tropical oscillation - A review. Mon. Wea. Rev., 122, 814-837.
24. Maloney, E. D., and J. T. Kiehl, 2002: MJO-related SST variations over the tropical eastern Pacific during Northern Hemisphere summer. J. Climate, 15, 675-689.
25. Maloney, E. D., and J. Shaman, 2008: Intraseasonal variability of the West African monsoon and Atlantic ITCZ. J. Climate, 21, 2898-2918.
26. Matthews, A. J., 2000: Propagating mechanisms for the Madden-Julian oscillation. Quart. J. Roy. Meteor. Soc., 126, 2637-2652.
27. Matthews, A. J., 2004: Intraseasonal variability over tropical Africa during northern summer. J. Climate, 17, 2427-2440.
28. Mounier, F., 2005: La variabilité intra-saisonnière de la mousson de l'Afrique de l'Ouest et Centrale. Ph.D. thesis, Ecole Polytechnique, 270 pp.
29. Pohl, B., and P. Camberlin, 2006a: Influence of the Madden-Julian oscillation on East African rainfall. Part I: Intraseasonal variability and regional dependency. Quart. J. Roy. Meteor. Soc., 132, 2521-2539.
30. Pohl, B., and P. Camberlin, 2006b: Influence of the Madden-Julian oscillation on East African rainfall. Part II: March-May season extremes and interannual variability. Quart. J. Roy. Meteor. Soc., 132, 2541-2558.
31. Pohl, B., and A. J. Matthews, 2007: Observed changes in the lifetime and amplitude of the Madden-Julian oscillation associated with interannual ENSO sea surface temperature anomalies. J. Climate, 20, 2659-2674.
32. Pohl, B., Y. Richard, and N. Fauchereau, 2007: Influence of the Madden-Julian oscillation on southern African summer rainfall. J. Climate, 20, 4227-4242.
33. Reynolds, R. W., N. A. Rayner, T. M. Smith, D. C. Stokes, and W. Wang, 2002: An improved in situ and satellite SST analysis for climate. J. Climate, 15, 1609-1625.
34. Salby, M. L., and H. H. Hendon, 1994: Intraseasonal behavior of clouds, temperature, and motion in the tropics. J. Atmos. Sci., 51, 2207-2224.
35. Semazzi, F. H. M., V. Mehta, and Y. C. Sud, 1988: An investigation of the relationship between sub-Saharan rainfall and global sea surface temperatures. Atmos.-Ocean, 26, 118-138.
36. Semazzi, F. H. M., V. Mehta, and Y. C. Sud, 1989: Reply to comments on "An investigation of the relationship between sub-Saharan rainfall and global sea surface temperatures." Atmos.-Ocean, 27, 601-605.
37. Sivakumar, M. V. K., 1992: Empirical analysis of dry spells for agricultural applications in West Africa. J. Climate, 5, 532-539.
38. Sultan, B., S. Janicot, and A. Diedhiou, 2003: The West African monsoon dynamics. Part I: Documentation of intraseasonal variability. J. Climate, 16, 3389-3406.
39. Wang, B., and X. Xie, 1997: A model for the boreal summer intraseasonal oscillations. J. Atmos. Sci., 54, 72-86.
40. Wheeler, M. C., and H. H. Hendon, 2004: An all-season real-time multivariate MJO index: Development of an index for monitoring and prediction. Mon. Wea. Rev., 132, 1917-1932.
41. Wu, M.-L. C., S. D. Schubert, M. J. Suarez, P. J. Pegion, and D. E. Waliser, 2006: Seasonality and meridional propagation of the MJO. J. Climate, 19, 1901-1921.
42. Yasunari, T., 1980: A quasi-stationary appearance of the 30-40-day period in cloudiness fluctuations during the summer monsoon over India. J. Meteor. Soc. Japan, 58, 223-229.
43. Zhang, C., 2005: Madden-Julian oscillation. Rev. Geophys., 43, RG2003, doi:10.1029/2004RG000158.