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A study of the geomagnetic field response to a series of continuous solar wind pressure variations has been performed at a low‐latitude station during interplanetary events characterized by stable northward magnetic field conditions. The geomagnetic field H component responds well to the solar wind pressure changes on a timescale of few minutes. The amplitude of the geomagnetic field response is found to depend on local time, showing greater values around local noon and midnight.
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Francia et al. (1999) studied this question.
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