The influence of regularization methods on the accuracy of modern global geopotential models

V. F. Kanushin; I. G. Ganagina; D. N. Goldobin; N. S. Kosarev; A. M. Kosareva

doi:10.1134/S2075108716040040

The influence of regularization methods on the accuracy of modern global geopotential models

Authors: Kanushin V.F.¹, Ganagina I.G.¹, Goldobin D.N.¹, Kosarev N.S.¹, Kosareva A.M.¹
Affiliations:
1. Siberian State University of Geosystems and Technologies
Issue: Vol 7, No 4 (2016)
Pages: 337-342
Section: Article
URL: https://journals.rcsi.science/2075-1087/article/view/203965
DOI: https://doi.org/10.1134/S2075108716040040
ID: 203965

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Abstract

Regularizing properties of stabilizing factors are studied to improve the accuracy of the Fourier series summation by spherical functions, used to describe the Earth’s gravitational field. The efficiency of the tested methods is estimated using the nonregularized global gravity field model ITSG-Grace2014s available on the ICGEM website [8].