Diurnal and subdiurnal luni-solar nutations: Comparisons and effects
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2001
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Kluwer Academic Publishers
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Abstract
We present a comparison of the diurnal and subdiurnal terms of the three last theories of rigid Earth's rotation: SMART97, RDAN97 and REN 2000. For a better interpretation of the observations, we characterize their contribution to the polar motion and we estimate the non-rigid effects, which are at the level of a few microareseconds.