On the periodic variations of geomagnetic activity indices Ap and ap

Yearly averages of geomagnetic activity indices Ap for the years 1967–1984 are compared to the respective averages of &#x03BD;<sup>2</sup>·<i>B<sub>s</sub></i>, where<i> v </i>is the solar wind velocity and <i>B<sub>s</sub><...

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Bibliographic Details
Main Author: H. Schreiber
Format: Article
Language:English
Published: Copernicus Publications 1998-05-01
Series:Annales Geophysicae
Online Access:https://www.ann-geophys.net/16/510/1998/angeo-16-510-1998.pdf