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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 13, issue 7
Ann. Geophys., 13, 740–744, 1995
https://doi.org/10.1007/s00585-995-0740-5
© European Geosciences Union 1995
Ann. Geophys., 13, 740–744, 1995
https://doi.org/10.1007/s00585-995-0740-5
© European Geosciences Union 1995

  31 Jul 1995

31 Jul 1995

The stratospheric quasi-biennial oscillation observed in the semidiurnal ground pressure data

H. Teitelbaum, F. Vial, and P. Bauer H. Teitelbaum et al.

Abstract. Ground pressure observations made at Macao (22°N, 113°E) from 1953 to 1991 are analyzed and compared with the stratospheric quasi-biennial oscillation (QBO) data obtained during the same interval. The periods of the two phenomena and their time evolution are found to be close to each other. Furthermore, the time series of the stratospheric winds and the S2(p) QBO signature are highly correlated, thus confirming earlier analysis. On this basis, pressure measurements obtained at Batavia (now Djakarta: 6°S, 107°E) from 1870 to 1944 are used to trace back the QBO phenomenon before the advent of systematic stratospheric balloon measurements. The inferred period, which varies between 25 and 32 months, suggests that the QBO has been present in the atmosphere at least since 1870.

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