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A new integral approach to geopotential coefficient determinations from terrestrial gravity or satellite altimetry data
Abstract The spherical harmonic coefficients of the Earth’s gravitational potential are conveniently determined by integration of gravity data or potential data (derived from satellite altimetry) over a sphere. The major problem of such a method is that the data, given on the non-spherical surface of the Earth, must be reduced to the sphere. A new integral formula over the surface of the Earth is derived. With this formula improved first order topographic corrections to the spherical formulas are obtained.
A new integral approach to geopotential coefficient determinations from terrestrial gravity or satellite altimetry data
Abstract The spherical harmonic coefficients of the Earth’s gravitational potential are conveniently determined by integration of gravity data or potential data (derived from satellite altimetry) over a sphere. The major problem of such a method is that the data, given on the non-spherical surface of the Earth, must be reduced to the sphere. A new integral formula over the surface of the Earth is derived. With this formula improved first order topographic corrections to the spherical formulas are obtained.
A new integral approach to geopotential coefficient determinations from terrestrial gravity or satellite altimetry data
Sjöberg, Lars E. (author)
Bulletin géodésique ; 62
1988
Article (Journal)
English
Geodäsie , Geometrie , Geodynamik , Zeitschrift , Mathematik , Mineralogie
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