Integral formulas for geopotential coefficient determination from gravity anomalies versus gravity disturbances |
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| Authors: | Lars E Sjöberg |
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| Institution: | (1) Department of Geodesy, The Royal Institute of Technology, S-100 44 Stockholm, Sweden |
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| Abstract: | Integral formulas are derived for the determination of geopotential coefficients from gravity anomalies and gravity disturbances
over the surface of the Earth. First order topographic corrections to spherical formulas are presented. In addition new integral
formulas are derived for the determination of the external gravity field from surface gravity.
Taking advantage of modern satellite positioning techniques, it is suggested that, in general, the external gravity field
as well as individual coefficients are better determined from gravity disturbances than from gravity anomalies. |
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