Combination solution for gravity field including altimetry

Details Combination solution for gravity field including altimetry Combination solution for gravity field including altimetry

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979jgr....84.4041c&link_type=abstract

Journal of Geophysical Research, vol. 84, July 30, 1979, p. 4041-4044.

Physics

Gravitational Fields, Gravity Anomalies, Radio Altimeters, Radio Tracking, Satellite Observation, Triangulation, Doppler Effect, Geoids, Ground Stations, Spherical Harmonics

Scientific paper

A previous global solution for the earth's gravitational field and station positions employed a combination of 21 weeks of Doppler tracking data from seven satellites, a complete set of 5-deg mean gravity anomalies, and geometric constraints from the worldwide satellite triangulation network on 17 of the stations. To this is now added geoid heights over the major part of the oceans obtained from GEOS 3 altimeter observations. The solution has a form based on the simple density-layer method and is equivalent to a solution in spherical harmonics to the tenth degree and order. The rms difference of 5-deg mean geoid heights of the new solution with the GEM 10 solution is 5.6 m.

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