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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 13, issue 6
Ann. Geophys., 13, 648–655, 1995
https://doi.org/10.1007/s00585-995-0648-0
© European Geosciences Union 1995
Ann. Geophys., 13, 648–655, 1995
https://doi.org/10.1007/s00585-995-0648-0
© European Geosciences Union 1995

  30 Jun 1995

30 Jun 1995

Lidar observations of middle atmosphere temperature variability

G. P. Gobbi, C. Souprayen, F. Congeduti, G. Di Donfrancesco, A. Adriani, M. Viterbini, and S. Centurioni G. P. Gobbi et al.

Abstract. We discuss 223 middle atmosphere lidar temperature observations. The record was collected at Frascati (42°N–13°E), during the 41-month period January 1989-May 1992, corresponding to the maximum of solar cycle 22. The choice of this interval was aimed at minimizing the temperature variability induced by the 11-year solar cycle. The average climatology over the 41-month period and comparison with a reference atmosphere (CIRA86) are presented. Monthly temperature variability over the full period, during opposite quasi-biennial oscillation phases and on a short-term scale (0.5–4 h), is analyzed. Results indicate the 50–55-km region as less affected by variability caused by the natural phenomena considered in the analysis. Due to this minimum in natural noise characterizing the atmospheric temperature just above the stratopause, observations of that region are well suited to the detection of possible temperature trends induced by industrial activities.

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