Identification of possible intense historical geomagnetic storms using combined sunspot and auroral observations from East Asia
Comprehensive catalogues of ancient sunspot and auroral observations from East Asia are used to identify possible intense historical geomagnetic storms in the interval 210 BC-AD 1918. There are about 270 entries in the sunspot catalogue and about 1150 entries in the auroral catalogue. Special da...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Copernicus Publications
2005-03-01
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Series: | Annales Geophysicae |
Online Access: | https://www.ann-geophys.net/23/945/2005/angeo-23-945-2005.pdf |