Time variations of geomagnetic activity indices Kp and Ap: an update
Kp and Ap indices covering the period 1932 to 1995 are analysed in a fashion similar to that attempted by Bartels for the 1932–1961 epoch to examine the time variations in their characteristics. Modern analysis techniques on the extended data base are used for further insight. The relative frequ...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
1997-10-01
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| Series: | Annales Geophysicae |
| Online Access: | https://www.ann-geophys.net/15/1271/1997/angeo-15-1271-1997.pdf |