Thermal core-mantle interactions

Details Thermal core-mantle interactions Thermal core-mantle interactions

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.325..511b&link_type=abstract

Nature (ISSN 0028-0836), vol. 325, Feb. 5, 1987, p. 511-513.

Computer Science

102

Earth Core, Earth Mantle, Geomagnetism, Magnetic Field Configurations, Inhomogeneity, Maps, Propagation Velocity, Seismic Waves, Vertical Motion

Scientific paper

Maps of the magnetic field at the core-mantle boundary for 1715-1980 reveal static features in the field and an absence of westward drift from much of the core-mantle boundary. The static features suggest that flow in the core is coupled to the mantle. Here, different coupling mechanisms are examined, and lateral inhomogeneity at the core-mantle boundary is predicted. Comparison with models of the lower mantle and core-mantle boundary derived seismically and from the geoid is encouraging.

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