Study of the anomalous gravity field in the arctic based on modern geopotential models |
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| Authors: | V N Koneshov V B Nepoklonov I A Stolyarov |
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| Institution: | 1. Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, ul. Bol??shaya Gruzinskaya 10, Moscow, 123995, Russia
2. Krasovsky Central Research Institute of Geodesy, Aerial Surveying, and Cartography, ul. Onezhskaya 26, Moscow, 125413, Russia
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| Abstract: | The results of modeling the anomalous gravity field of the Earth in the high-latitude regions, which are of interest in the context of Arctic exploration, are analyzed. The structure and accuracy characteristics of quasi-geoid heights (QGH) and gravity anomalies (GAs) in the Arctic are studied. The analysis addresses fifteen modern Russian and foreign spherical harmonic models of the gravitational potential of the Earth, including the EGM-2008 model, which provides high-order spherical harmonic representations, and the first models based on the data of satellite gradiometry. |
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