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The Atmospheric Cyclone Disturbance Initiated By Solar Flares

Ye Zong-hai1, Lu Chen2, Zhang Gong-liang1   

  1. 1. Institute of Space Physics, Academia Sinica;
    2. Institute of Geophysics, State Bureau of Seismology
  • Received:1983-09-19 Revised:1900-01-01 Online:1984-08-24 Published:1984-08-24

Abstract: This paper provides a statistical study of the disturbance of atmospheric vorticity area index (VAI) initiated by solar flares over importance two for 1966-1978. It shows the effects induced by solar flares grouped by their potical importance, duration, season and the distance from the central meridiam. The results show that only the bright solar flares occurred in the winter season and with duration longer than 1.5 hours can significantly disturb vorticity area index. The maximum decrease on the third day after the solar flares is o'f the order of 16.4%. There is east-west asymmetry in distribution of flare's position in response to the VAIdisturbance. The bright and non-bright flares which occur on the west 0-30 from the central meridiam with duration longer than1.5 hours, induce the largest disturbance for VAIon the third day and the seventh day after the flares respectively.