Secular variations in the curvature of equipotential surfaces and directions of verticals due to geodynamic phenomena |
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| Authors: | Milan Burša Reviewer M. Pick |
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| Affiliation: | (1) Astronomical Institute, Czechosl. Acad. Sci., Prague |
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| Abstract: | Summary Formulae and numerical estimates are given for the non-periodical variations in the curvature of equipotential surfaces, horizontal forces and directions of the vertical, caused by the decrease in the second zonal geopotential harmonic, by the decrease in the angular velocity of the Earth's rotation and by secular polar motion.
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