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Evidence from satellite altimetry for small-scale convection in the mantleSmall scale convection can be defined as that part of the mantle circulation in which upwellings and downwellings can occur beneath the lithosphere within the interiors of plates, in contrast to the large scale flow associated with plate motions where upwellings and downwellings occur at ridges and trenches. The two scales of convection will interact so that the form of the small scale convection will depend on how it arises within the large scale flow. Observations based on GEOS-3 and SEASAT altimetry suggest that small scale convection occurs in at least two different ways.
Document ID
19860003410
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Parsons, B. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Haxby, W. F. (Lamont-Doherty Geological Observatory United States)
Mckenzie, D. P. (Cambridge Univ. United States)
Watts, A. B. (Lamont-Doherty Geological Observatory United States)
Weissel, J. K. (Lamont-Doherty Geological Observatory United States)
Date Acquired
August 12, 2013
Publication Date
October 1, 1985
Publication Information
Publication: NASA, Washington Geopotential Res. Mission (GRM)
Subject Category
Geophysics
Accession Number
86N12878
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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