Why is there more ionosphere in January than in July? The annual asymmetry in the F2-layer

Adding together the northern and southern hemisphere values for pairs of stations, the combined peak electron density <i>Nm</i>F2 is greater in December-January than in June&ndash;July. The same applies to the total height-integrated electron content. This "F2-layer annual as...

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Bibliographic Details
Main Authors: H. Rishbeth, I. C. F. Müller-Wodarg
Format: Article
Language:English
Published: Copernicus Publications 2006-12-01
Series:Annales Geophysicae
Online Access:https://www.ann-geophys.net/24/3293/2006/angeo-24-3293-2006.pdf