Non-tidal changes in the length of the day: 700 BC to AD 1982 |
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| Authors: | F. R. Stephenson L. V. Morrison |
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| Affiliation: | (1) Dept. of Physics, University of Durham, Durham, USA;(2) Royal Greewich Observatory, Greenwich, USA |
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| Abstract: | Occultations and eclipses from ancient times down to the present are analysed to determine changes in the length of the day. By subtracting the expected tidal contribution from the observed changes, the non-tidal variations are obtained. The non-tidal varations are shown to occur on time-scales of decades and millennia. |
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