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Comparison of Champ and Grace geopotential models with terrestrial gravity field data in Hungary

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Abstract

CHAMP and GRACE global geopotential models EIGEN-3p, EIGEN-GRACE01S, GGM01S and GGM01C are compared with terrestrial gravity field data in Hungary. The methods used for comparison were direct comparison with gravity anomalies and the reference geoid solution method. We used free-air gravity anomalies interpolated on a 1′ × 1.5′ grid covering Hungary. In the second method these geopotential models were used to compute gravimetric geoid solutions and the results were compared with GPS/leveling data from EUVN campaign and the Hungarian GPS network.

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Correspondence to Gy. Tóth.

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Paper presented at the GGSM2004 Conference, Porto, Portugal

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Tóth, G., Rózsa, S. Comparison of Champ and Grace geopotential models with terrestrial gravity field data in Hungary. Acta Geod. Geoph. Hung 41, 171–180 (2006). https://doi.org/10.1556/AGeod.41.2006.2.3

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  • DOI: https://doi.org/10.1556/AGeod.41.2006.2.3

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