08. Relationship between ENSO and QBO in the Tropical Pacific

Minh Thái Thị Thanh


QBO is a quasi - biennal oscillation discovered by Ebdon et al. in 1960. This is the phenomenon of atmospheric oscillation in the wind zone of tropical the upper atmosphere that changes from East to West and reverses with period of 02 years (~ 28 - 29 months). QBO influences on the weather and climate over the tropical Pacific, especially combined with ENSO. El Nino phare and QBO are more closely correlated than La Nina phare. QBO usually spreads slowly in the La Nina phase in the first 4 months, but QBO spreads more quickly in the El Nino phase in the last 4 months of the year.

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[1]. Christopher C. Collimore et al (2003). On the relationship between the QBO and tropical deep convection. Journal of climate Vol.16.2552.
[2]. Hansen et al (2016). Tropospheric QBO - ENSO interactions and differences between the Atlantic and Pacific. Journal of climate Vol 29 DOI: 10.1175/JCLI-D-15-0164.
[3]. M. Taguchi (2010). Observed connection of the stratospheric quasi‐biennial oscillation with El Niño - Southern Oscillation in radiosonde data. Journal of Geophysical Research: Atmospheres Volume 115, Issue D18.
[4]. Yoshio Kawatani et al (2019). ENSO modulation of the QBO: Results from MIROC models with and without nonorographic gravity wave parameterization. Journal of the atmospheric science, Vol 76, pp.3893 - 3917.
[5]. William M. Gray, John D. Sheaffer, and John A. Knaf (1992). Hypothesized mechanism for stratospheric QBO influence on ENSO variability. Geophysical Research Letters, Vol. 19, no.2, pages 107 - 110, January 24th, 1992.


Minh Thái Thị Thanh
tttminh@hunre.edu.vn (Primary Contact)
Thái Thị Thanh, M. (2022). 08. Relationship between ENSO and QBO in the Tropical Pacific. Science Journal of Natural Resources and Environment, (40), 77–83. Retrieved from https://tapchikhtnmt.hunre.edu.vn/index.php/tapchikhtnmt/article/view/397

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