Anderson, Don L. (1980) Bulk attenuation in the Earth and viscosity of the core. Nature, 285 (5762). pp. 204-207. ISSN 0028-0836. doi:10.1038/285204a0. https://resolver.caltech.edu/CaltechAUTHORS:20150218-104338280
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Abstract
Recent studies indicate that bulk absorption is required somewhere in the Earth to explain the damping of the radial modes of free oscillation. This excess absorption, if attributed to bulk viscosity in the core, requires a value of ~500 P. This is theoretically reasonable and may be due to structural or concentration fluctuations. The shear viscosity is at least several orders of magnitude smaller.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1980 Nature Publishing Group. Received 17 October 1979; accepted 19 February 1980. This research was supported by the NSF under grant EAR 77- 14675. Jeff Given helped in the computations; R. Hart, F. Gilbert and R. Buland provided useful results. I thank H. Kanamori, A. Dziewonski and J. Flinn for helpful discussions. | |||||||||
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| Issue or Number: | 5762 | |||||||||
| DOI: | 10.1038/285204a0 | |||||||||
| Record Number: | CaltechAUTHORS:20150218-104338280 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150218-104338280 | |||||||||
| Official Citation: | Bulk attenuation in the Earth and viscosity of the core 204-207 Don L. Anderson doi:10.1038/285204a0 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 54943 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 18 Feb 2015 18:54 | |||||||||
| Last Modified: | 10 Nov 2021 20:39 |
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