Gudmundsson, Olafur and Clayton, Robert W. (1991) A 2-D synthetic study of global traveltime tomography. Geophysical Journal International, 106 (1). pp. 53-65. ISSN 0956-540X http://resolver.caltech.edu/CaltechAUTHORS:20121015-101011522
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Abstract
A 2-D synthetic test study of global traveltime inversion for deep seated earth structure has been undertaken. This was done by generating traveltime residual data using reasonable models for earth structure. The data were then inverted by similar methods to those applied in global studies of earth structure. Our results indicate that models of the aspherical structure in the lower mantle based on traveltime data are only partially successful and only at the largest scales (harmonic degree ≤3) and that maps of the core-mantle boundary based on traveltimes are unsuccessful.
| Item Type: | Article | ||||||||
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| Additional Information: | © 1991 John Wiley & Sons, Inc. Accepted 1991 January 15. Received 1990 September 10. Article first published online: 2 Apr. 2007. This work was supported by NSF awards EAR83-17623 and EAR83-51371. O.G. was supported by a fellowship from the Phillips Petroleum Company. Contribution no. 4890, from the Division of Geological and Planetary Sciences, Caltech. | ||||||||
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| Subject Keywords: | earth structure, inversion, traveltimes | ||||||||
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| Record Number: | CaltechAUTHORS:20121015-101011522 | ||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20121015-101011522 | ||||||||
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| Official Citation: | Gudmundsson, O. and Clayton, R. W. (1991), A 2-D synthetic study of global traveltime tomography. Geophysical Journal International, 106: 53–65. doi: 10.1111/j.1365-246X.1991.tb04600.x | ||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||
| ID Code: | 34889 | ||||||||
| Collection: | CaltechAUTHORS | ||||||||
| Deposited By: | Tony Diaz | ||||||||
| Deposited On: | 17 Oct 2012 17:51 | ||||||||
| Last Modified: | 17 Oct 2012 17:51 |
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