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标题：Day-to-day variability of the equatorial electrojet current in the South American sector
其他标题：Day-to-day variability of the equatorial electrojet current in the South American sector
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作者：R. G. Rastogi
期刊名称：Earth, Planets and Space
电子版ISSN：1880-5981
出版年度：2007
卷号：59
期号：5
页码：459-461
DOI：10.1186/BF03352707
出版社：Springer Verlag
摘要：A comparison of the geomagnetic H field data at Ancon, Peru and Buriticupa, Brazil for the period December 1990 and January 1991 revealed the presence of a significant correlation in day-to-day variability in the solar daily variation of H at the two stations, which are separated by about 2000 km. It is suggested that the day-to-day variability in the time as well as in the magnitude of the daily peak of the H field at an equatorial electrojet station is due to the superimposition of a semi-diurnal wave of the electric field over the normal mean daily variation.
关键词：Equatorial electrojet ;day-to-day variability ;equatorial electric field