Is Substorm Occurrence a Necessary Condition for a Magnetic Storm?
1992 年 44 巻 2 号 p. 109-117
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1992 年 44 巻 2 号 p. 109-117
It is shown that “having substorms” is not a necessary condition for a magnetic storm. The main phase of magnetic storms develops because of sustained, southward interplanetary magnetic field (IMF), not because of frequent occurrence of intense substorms.
