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The earth's geoid and the large-scale structure of mantle convectionIt is shown that most of the earth's low-degree geoid power is derived from density heterogeneity in the lower mantle. Much of the remaining geoid power is due to high-density slabs in active subduction zones. The compensated topography and lithospheric or crustal thickness variations contribute significantly to the observed geoid only for harmonic degrees greater than or equal to 6.
Document ID
19880064987
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Richards, Mark A.
(California Inst. of Tech. Pasadena, CA, United States)
Hager, Bradford H.
(California Institute of Technology Pasadena, United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1988
Subject Category
Geophysics
Accession Number
88A52214
Funding Number(s)
CONTRACT_GRANT: NAG5-315
Distribution Limits
Public
Copyright
Other

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