Gutenberg, B. (1952) Wave Velocities in the Outer Part of the Earth's Mantle. Nature, 170 (4320). p. 289. ISSN 0028-0836. doi:10.1038/170289a0. https://resolver.caltech.edu/CaltechAUTHORS:20140923-103001743
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Abstract
Hitherto, wave velocities V in the earth's interior have been calculated from the travel times t of earthquake waves in shallow shocks computed as a function of the epicentral distances Δ. This procedure fails if at any depth the velocity V decreases with depth at a rate in excess of dV/dr = V/r, where r is distance from the centre. In this case a portion of the travel-time curve is formed by the arrival of diffracted waves; if these are misinterpreted as direct waves, incorrect velocities are found not only for the low-velocity layer, but also (with decreasing errors) for all deeper layers. Moreover, discontinuities may be inferred when none actually exists.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1952 Nature Publishing Group. | |||||||||
| Issue or Number: | 4320 | |||||||||
| DOI: | 10.1038/170289a0 | |||||||||
| Record Number: | CaltechAUTHORS:20140923-103001743 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140923-103001743 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 49932 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 23 Sep 2014 17:34 | |||||||||
| Last Modified: | 10 Nov 2021 18:49 |
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