Abstract.
An asymptotic theory is presented for calculating co-seismic gravity changes, as a complement to a previous article by Sun [J Geod (2003) 77:381–387)], which presents the asymptotic theory for co-seismic geoid changes. Only the important formulas and results are summarized here; all the concepts and conventions are the same as for the companion paper. The theory is given by closed mathematical expressions so that it can be applied as easily as the flat-Earth theory. Moreover, since the asymptotic theory includes a sphericity effect, it is physically more reasonable than the flat-Earth theory.
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Acknowledgments.
The author is grateful to Dr S. Okubo for his helpful suggestions and discussions. The valuable comments and suggestions by Dr W. Featherstone and the anonymous reviewers are acknowledged. This research was financially supported by the Japan Society for the Promotion of Science research grants C13640420 and “Basic design and feasibility studies for the future missions for monitoring Earth’s environment”.
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Sun, W. Short Note: Asymptotic theory for calculating deformations caused by dislocations buried in a spherical earth — gravity change. Journal of Geodesy 78, 76–81 (2004). https://doi.org/10.1007/s00190-004-0384-3
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DOI: https://doi.org/10.1007/s00190-004-0384-3