A study of geomagnetic storms at Beijing in terms of solar wind

Details A study of geomagnetic storms at Beijing in terms of solar wind A study of geomagnetic storms at Beijing in terms of solar wind

Jul 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982p%26ss...30..669n&link_type=abstract

Planetary and Space Science, Volume 30, Issue 7, p. 669-675.

Computer Science

Scientific paper

With the aid of the Akasofu's energy coupling function between the solar wind and the magnetosphere, we have made in this paper an analysis of about 20 geomagnetic storms recorded at Beijing during the period of years 1966 to 1972. There is a close correlation between the energy coupling function ɛ and the geomagnetic indices ap and Kp. All in all an empirical formula as ɛ ~ 1-2 × 1017 ap has been found for the geomagnetic storms occurred in a low latitude station, i.e. Beijing of China. Comparisons of the horizontal component Hmax (in γ) and ɛ(1018 erg s-1) in Table 1 indicate that the development of storm main phase at Beijing depends very much on the ɛ values thus involved. Also, these are well illustrated for several individual storms as mentioned in the second section of the paper. In concluding this paper some brief discussions are made and included. It is hoped that geomagnetic observations in the middle and low latitudes from our vast country should make further contributions to the study of solar wind-magnetosphere coupling, including the Akasofu's energy coupling function.

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