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About a ‘semi-annual’ variation of the amplitude of the geomagnetic Sa-variations in median latitudes

✍ Scribed by Chr.-Ulr. Wagner

Book ID
115955529
Publisher
Elsevier Science
Year
1968
Tongue
English
Weight
616 KB
Volume
30
Category
Article
ISSN
0021-9169

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📜 SIMILAR VOLUMES

The representation of the semi-annual va
The representation of the semi-annual variation of the geomagnetic activity by an annual sine wave
✍ J. Houtgast; A. Sluiters 📂 Article 📅 1973 🏛 Springer 🌐 English ⚖ 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