After some 350 years – zero declination again in Paris
The main part of the geomagnetic field – produced by a dynamo process in the Earth's outer core – changes its direction and strength in time, over timescales from months to centuries, even millennia. Its temporal variations, known as secular variation and secular acceleratio...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
2016-09-01
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| Series: | History of Geo- and Space Sciences |
| Online Access: | http://www.hist-geo-space-sci.net/7/73/2016/hgss-7-73-2016.pdf |