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Chinese Journal of Space Science ›› 2013, Vol. 33 ›› Issue (6): 637-644.doi: 10.11728/cjss2013.06.637

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Effect of Solar Wind Speed on the Middle and High Atmosphere Circulation of Meteorological to Climatological Scale

Huang Jing1, Zhou Limin1, Xiao Ziniu2, Chen Tao3   

  1. 1. Key Laboratory of Geographic Information Science, Education Ministry, East China Normal University, Shanghai 200062;
    2. Training Center, China Meteorological Administration, Beijing 100081;
    3. State Key Laboratory of Space Weather Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190
  • Received:2013-05-13 Revised:2013-09-09 Online:2013-11-25 Published:2013-11-14

Abstract:

The relation between the solar wind speed and the winter northern hemisphere circulation, characterized as Arctic Oscillation (AO), was investigated with the superposed epoch analysis method and the correlation analysis method on the day-to-day and seasonal time scale. The results showed that on day-to-day time scale, the decease of solar wind speed associated with the dip of AO could be significantly detected, which implied that there exist the linkage chain from solar wind speed to the tropospheric circulation mediated by relativistic electron. This process could be explained by the correlation of "space particle-global circuit-cloud microphysics". On seasonal scale, the winter mean of solar wind speed in past 48 winters took significant correlation with the AO index. To understand the linkage between Sun and the climate, we should collect all the detailed physical environment information from Sun to low atmosphere in the future.

Key words: Solar wind speed, Relativistic electron flux, Arctic Oscillation (AO), Northern Atlantic Oscillation, Sun-Earth climate linkage

CLC Number: