Gurnis, Michael (1990) Ridge Spreading, Subduction, and Sea Level Fluctuations. Science, 250 (4983). pp. 970-972. ISSN 0036-8075. doi:10.1126/science.250.4983.970. https://resolver.caltech.edu/CaltechAUTHORS:20130128-110548188
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Abstract
A numerical model of mantle convection shows that sea level fluctuations are not simply associated with temporal changes in ocean c plate spreading. In the dynamic model, sea level rises rapidly and then falls toward a steady value (but one still higher than the initial) following increased ridge spreading; this time dependence results from profound changes in the deep thermal structure under ocean and continent. The use of past variations in oceanic spreading to infer sea level fluctuations is called into question. With more realistic models and better continental stratigraphy, constraints may be placed on the viscosity structure of the mantle.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1990 American Association for the Advancement of Science. Received 2 July 1990; accepted 12 September 1990. Funded by National Science Foundation grants EAR-8957164 and EAR-8904660. B. Hager and H. Pollack provided helpful comments on the manuscript. | |||||||||
| Group: | Seismological Laboratory | |||||||||
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| Issue or Number: | 4983 | |||||||||
| DOI: | 10.1126/science.250.4983.970 | |||||||||
| Record Number: | CaltechAUTHORS:20130128-110548188 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20130128-110548188 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 36623 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 29 Jan 2013 00:07 | |||||||||
| Last Modified: | 09 Nov 2021 23:23 |
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