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Long-term stratospheric temperature fluctuations and solar activity

  • C. S. Zerefos
Article

Summary

Stratospheric temperatures near 30 km were found to have been approximately in-phase with the solar cycle during the 22-year period 1957–1978. Maxima and minima in summertime 10–30 mb layer mean temperatures occurred within 2 years from corresponding solar activity maxima and minima, the relationship being confined to latitudes greater than 30°N. In the stratosphere above about 30 km a possible solar trace can be identified only over moderate and low latitudes the amplitude of which increases with height. The observed stratospheric temperature variations during the solar activity cycle are possibly within model calculations of UV and solar particle enhancements at solar maximum.

Keywords

Solar Activity Solar Cycle Sunspot Number Solar Maximum Biocl 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Langzeitige stratosphärische Temperaturschwankungen und die Sonnenaktivität

Zusammenfassung

Es wurde gefunden, dass die Temperaturschwankungen in der Stratosphäre in 30 km Höhe in der 22jährigen Periode 1957–1978 annähernd in Phase mit der Sonnenaktivität verliefen. Die Maxima und Minima der Sommer-Mitteltemperatur der Schicht von 10 bis 30 mb traten innerhalb von 2 Jahren um den korrespondierenden Maxima und Minima der Sonnenaktivität auf. Diese Beziehung ist auf Breiten über 30°N beschränkt. In der Stratosphäre oberhalb 30 km Höhe kann eine Spur eines Sonneneinflusses nur über mittleren und niedrigen Breiten festgestellt werden, wo die Amplitude mit der Höhe zunimmt. Die beobachteten stratosphärischen Temperaturänderungen im Verlaufe des Zyklus der Sonnenaktivität fallen möglicherweise in den Bereich von Modellberechnungen der UV-Strahlung und der Vermehrung solarer Teilchen beim Sonnenfleckenmaximum.

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Copyright information

© Springer-Verlag 1983

Authors and Affiliations

  • C. S. Zerefos
    • 1
  1. 1.Physics Department, Laboratory of Atmospheric PhysicsUniversity of ThessalonikiThessalonikiGreece

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