๐”– Bobbio Scriptorium
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Semi-annual variation of the thermospheric density

โœ Scribed by L. Sehnal


Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
226 KB
Volume
7
Category
Article
ISSN
0273-1177

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The representation of the semi-annual va
โœ J. Houtgast; A. Sluiters ๐Ÿ“‚ Article ๐Ÿ“… 1973 ๐Ÿ› Springer ๐ŸŒ English โš– 541 KB

The seasonal variation of the geomagnetic activity shows two sharp maxima (in March and September) and two broader minima (in June and December). It can only poorly be described by a double sine wave. The double phase wave of geomagnetic activity can be transformed -by vertical mirroring of the hal