Other
Scientific paper
Jun 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978ang....34...55b&link_type=abstract
Annales de Geophysique, vol. 34, Apr.-June 1978, p. 55-78. In French. Research supported by the Centre National d'Etudes Spatia
Other
1
Geodesy, Geopotential, Gravitational Fields, Mathematical Models, Celestial Geodesy, Geoids, Gravimetry, Satellite Observation, Spherical Harmonics, Tables (Data), Tesseral Harmonics, Zonal Harmonics
Scientific paper
The calculation of GRIM 2 from satellite laser and photographic observations as well as from gravimetric data for one degree by one degree square units is described, and GRIM 2 is compared with other models. Zonal harmonics up to the 23rd and tesseral harmonics up to a value of 30 for each of the two subscripts were determined. GRIM 2 is found to be far superior to GRIM 1 and to provide a solution close to GEM 8. Long and medium wavelength features determined from GRIM 2 are in accord with GEOS 3 altimetry data. The Stokes formula was used to calculate a geoid in the framework of GRIM 2 for the purpose of clarifying short-wave features. The characteristics of the geoid indicate numerous details of agreement with altimeter data.
Balmino Georges
Moynot Bernard
Reigber Ch.
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