Physics
Scientific paper
Aug 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992georl..19.1543d&link_type=abstract
Geophysical Research Letters (ISSN 0094-8534), vol. 19, no. 15, Aug. 3, 1992, p. 1543-1546.
Physics
5
Altimetry, Bathymeters, Geoids, Lithosphere, Ocean Models, Thermal Diffusivity, Air Water Interactions, Indian Ocean, Mid-Ocean Ridges, Tectonics, Water Depth
Scientific paper
A new method for determining the thermal diffusivity of oceanic lithosphere in the near-ridge crest domain is proposed which requires geoid height and depth data. The thermal diffusivity over the Southwest Indian Ridge determined by this method, (0.55 +/-0.17) x 0.01 sq cm/s, is consistent with data from the south Atlantic. Differences in diffusivity on either side of the ridge and caused by asymmetrical subsidence are thought to result from a differential thermal regime beneath the ridge and/or to the general motion of the ridge.
Doucoure C. M.
Patriat Philippe
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