Physics
Scientific paper
Oct 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jatp...47.1017z&link_type=abstract
(IUGG, IAGA, USAF, et al., International Symposium on Equatorial Aeronomy, 7th, Hong Kong, Mar. 22-29, 1984) Journal of Atmosphe
Physics
1
Interplanetary Magnetic Fields, Magnetic Storms, Solar Terrestrial Interactions, Solar Wind, Spectrum Analysis, Auroral Zones, Bandpass Filters, Equatorial Regions, Maximum Entropy Method, Solar Wind Velocity
Scientific paper
In this paper 16 geomagnetic storms in 1968-1978 recorded at eight magnetic observatories located from polar to equatorial regions in the 120 deg E longitudinal zone and its vicinity have been analyzed. The horizontal component H traces of 27 h intervals have been sampled once every 1.5 min. The time sequences of the data thus obtained have been processed by the method of digital filtering and maximum entropy spectral analysis (MESA). The results of the analysis are compared with the associated solar wind parameters. It confirms that the geomagnetic disturbances are controlled by the solar wind in several ways, i.e., geomagnetic disturbances respond differently to various solar wind parameters or to the different ranges of them. The north-south component of the interplanetary magnetic field (IMF), the IMF latitude and the solar wind velocity play the most important part in inducing geomagnetic storms.
Guo Qi
Lin Yangtin
Yao Dacheng
Zeng Xiaocheng
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