Secular variation of Earth's gravitational harmonic J2 coefficient from Lageos and nontidal acceleration of Earth rotation

@article{Yoder1983SecularVO,
  title={Secular variation of Earth's gravitational harmonic J2 coefficient from Lageos and nontidal acceleration of Earth rotation},
  author={C. Yoder and J. Williams and J. Dickey and B. Schutz and R. Eanes and B. Tapley},
  journal={Nature},
  year={1983},
  volume={303},
  pages={757-762}
}
  • C. Yoder, J. Williams, +3 authors B. Tapley
  • Published 1983
  • Physics
  • Nature
  • Analysis of 5½ years of Lageos satellite range data reveal significant residual nodal signatures: an acceleration and annual and semiannual periods. These signatures primarily reflect variations in the zonal gravitational harmonic J2 coefficient and hence the polar moment of inertia. The implied decrease of \[Jdot]2=−3×10−11 yr−1 is consistent with both historical observations of the nontidal acceleration of the Earth's rotation and models of viscous rebound of the solid Earth from the decrease… CONTINUE READING
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