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The challenge of computing the geoid in the nineties (1993)

Sansò, F. ; Sona, G.

Springer

Surveys in geophysics 14 (1993), S. 339-371

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ISSN: 1573-0956

Source: Springer Online Journal Archives 1860-2000

Topics: Geosciences , Physics

Notes: Abstract This paper deals with the basic definitions and the numerical techniques used nowaday in the estimation of the gradiometric geoid. After a first introductory paragraph, the so-called 3-steps remove/restore method is presented. The computation and the use of global models is analysed in Section 2; the computation of topographic corrections, with particular care to the residual terrain correction, is presented in Section 3; the central solution or estimation of the anomalous potential either by solving a Molodensky's problem, or by applying the collocation theory, is examined in Section 4; the restore step is finally presented in Section 5.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00690564

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