Variations in the Rate of Rotation of the Earth
- 4 June 1971
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 172 (3987), 1022-1025
- https://doi.org/10.1126/science.172.3987.1022
Abstract
Variations observed in the length of the day can be divided into three types: seasonal, irregular, and long-term. The astronomical data examined here for the years 1956-1969 suggest that the seasonal terms hitherto assumed are slightly in error, that the irregular variations probably share the same source with the seasonal variations, and that the long-term variations may be linked to earthquake activity.Keywords
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