An information theory approach to the density of the earth

Details An information theory approach to the density of the earth An information theory approach to the density of the earth

Nov 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977itad.rept.....g&link_type=abstract

Unknown

Statistics

Applications

Density (Mass/Volume), Earth (Planet), Information Theory, Mathematical Models, Applications Of Mathematics, Independent Variables, Moments Of Inertia

Scientific paper

Information theory can develop a technique which takes experimentally determined numbers and produces a uniquely specified best density model satisfying those numbers. A model was generated using five numerical parameters: the mass of the earth, its moment of inertia, three zero-node torsional normal modes (L = 2, 8, 26). In order to determine the stability of the solution, six additional densities were generated, in each of which the period of one of the three normal modes was increased or decreased by one standard deviation. The superposition of the seven models is shown. It indicates that current knowledge of the torsional modes is sufficient to specify the density in the upper mantle but that the lower mantle and core will require smaller standard deviations before they can be accurately specified.

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