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Post-geomagnetic storm protonospheric replenishment

Abstract

THE response of the ionosphere to geomagnetic storms is well documented1–3, although the complex interaction of the various physical mechanisms is not yet fully explained. However, the response of the overlying protonosphere to geomagnetic activity, a topic important to the understanding of ionospheric–magnetospheric coupling has not been widely studied. A direct study of tube content recovery obtained from whistler observations during an 8-d period in June 1965 following a sudden commencement storm has been published by Park4, although theoretical work5 has given a value for the replenishment time constant which is larger than that observed. We report here the results of protonospheric content observations during a period where a major sudden commencement storm was followed by an exceptionally long period of quiet allowing complete dynamic saturation of the protonospheric flux tubes to be reached.

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KERSLEY, L., HAJEB-HOSSEINIEH, H. & EDWARDS, K. Post-geomagnetic storm protonospheric replenishment. Nature 271, 429–430 (1978). https://doi.org/10.1038/271429a0

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