Normal density earth models |
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| Authors: | Zedeněk Martinec Karel Pě? Reviewer M Bur?a |
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| Institution: | (1) Department of Geophysics and Meterology, Faculty of Mathematics and Physics, Charles University, Prague |
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| Abstract: | Summary Models of the Earth's density, close to thePREM model, have been derived, they reproduce the external normal gravitational field of the Earth and its dynamic flattening, and are referred to as normal density models. The Earth's surface is approximated by an ellipsoid of the order of the flattening, or of its square. Of the group of normal models sgtisfying the solution of the inverse problem, the normal density modelHME2 is recommended. The spherically symmetric density modelPREM, which was corrected in the course of solving the inverse problem, thus creating the modifiedPREM-E2 model, was used as the a priori information.
        ¶rt;  ¶rt; u  a n¶rt;u nmmu  u u ¶rt;uPREM (m. a. a ¶rt;u nmmu),   auma u n m u¶rt;mu na¶rt;am auaumau n  u.  m u annuu m am  unu¶rt; au.  uau  amu a ¶rt; mam H==0.003 273 994.  ma ¶rt; a ¶rt; ¶rt;m ¶rt;HME2. am anu u a ¶rt; nmmu a unaa ¶rt; a¶rt;ua umua ¶rt;PREM. ¶rt;aam ¶rt;u uau m ¶rt;u n¶rt; aauPREM-E2.
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