Mid-latitude ionosphere during two great geomagnetic storms

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I. M. Vasiljevic
L. R. Cander

Abstract

The ionospheric disturbances observed at many European ionosonde stations in association with the severe geomagnetic storms occurring on 19-20 December 1980 and 11-12 April 1981 were investigated by using the available ionospheric and geomagnetic data. During these storms the ionospheric F region underwent major changes at all mid-latitudes. However, the variations from storm to storm were much larger at lower mid-latitudes. These results support the view that even in assessing the response of the mid-latitude ionosphere to severe geomagnetic storms it is necessary to distinguish carefully between global, regional and local behaviour.

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1.
Vasiljevic IM, Cander LR. Mid-latitude ionosphere during two great geomagnetic storms. Ann. Geophys. [Internet]. 1996Nov.25 [cited 2021Sep.25];39(4). Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4014
Section
OLD

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