Quasi-biennial oscillation in ozone and temperature over tropics

Details Quasi-biennial oscillation in ozone and temperature over tropics Quasi-biennial oscillation in ozone and temperature over tropics

Feb 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009jastp..71..257f&link_type=abstract

Journal of Atmospheric and Solar-Terrestrial Physics, Volume 71, Issue 2, p. 257-263.

Physics

4

Quasi-Biennial Oscillation, Ozone, Temperature, Wavelet Analysis, Cross-Wavelet Analysis

Scientific paper

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.

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