Quasi-biennial oscillation in ozone and temperature over tropics

Fadnavis, S. ; Beig, G. (2009) Quasi-biennial oscillation in ozone and temperature over tropics Journal of Atmospheric and Solar-Terrestrial Physics, 71 (2). pp. 257-263. ISSN 1364-6826

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/j.jastp.2008.11.012


Spatiotemporal variations of the quasi-biennial oscillation (QBO) in temperature and ozone over the tropical-subtropical belts (40°N-40°S) have been studied using Microwave Limb Sounder data for the period 1992-1999. Wavelet analysis has been performed to study inter-annual variations in amplitude and phases of the QBO. Latitude-height cross-sections of the amplitudes of temperature and ozone QBO exhibit a double-peak structure near the equator. Phase structure reveals that the temperature QBO descended faster than the ozone QBO. Cross-wavelet analysis shows an anti-phase relation between the amplitudes of the temperature and ozone QBO in the upper stratospheric region, whereas in-phase relation exists in the middle stratospheric region.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Quasi-biennial Oscillation; Ozone; Temperature; Wavelet Analysis; Cross-wavelet Analysis
ID Code:80054
Deposited On:31 Jan 2012 04:29
Last Modified:31 Jan 2012 04:29

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