Spline multiresolution and numerical results for joint gravitation and normal-mode inversion with an outlook on sparse regularisation
GEM - International Journal on Geomathematics, ISSN: 1869-2672, Vol: 1, Issue: 2, Page: 167-204
2011
- 31Citations
- 11Captures
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Article Description
Numerical results of a spline regularisation technique for the determination of the mass density distribution in the Earth based on a joint inversion of gravitational and normal-mode data are presented. Gravitational data has a sensitivity to density perturbations that decays rapidly with depth in the Earth. Normal-mode data allows for more uniform resolution throughout the mantle. However, inversions based on either type of data suffer from non-uniqueness problems. Their joint inversion requires a weighting process to avoid a strong dominance of the gravitational data. Finally, an outlook on a sparse regularisation is given. © 2010 Springer-Verlag.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=79952734704&origin=inward; http://dx.doi.org/10.1007/s13137-010-0007-5; http://link.springer.com/10.1007/s13137-010-0007-5; http://www.springerlink.com/index/10.1007/s13137-010-0007-5; http://www.springerlink.com/index/pdf/10.1007/s13137-010-0007-5; https://dx.doi.org/10.1007/s13137-010-0007-5; https://link.springer.com/article/10.1007/s13137-010-0007-5
Springer Science and Business Media LLC
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