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Sravneniye sovremennykh global'nykh ul'travysokostepennykh modeley gravitatsionnogo polya Zemli [Comparison of modern global ultra-high-grade models of the Earth gravitational field]
|Alternate Title:||Comparison of modern global ultra-high-grade models of the Earth gravitational field|
|Authors:||Koneshov, V. N.; Nepoklonov, V. B.; Solov'yev, V. N.; Zheleznyak, L. K.|
|Author Affiliations:||Primary: |
Rossiyskaya Akademiya Nauk, Institut Fiziki Zemli, Moscow, Russian Federation
|Volume Title:||Geofizicheskiye Issledovaniya|
|Source:||Geofizicheskiye Issledovaniya, 20(1), p.13-26. Publisher: Rossiyskaya Akademiya Nauk, Institut Fiziki Zemli, Moscow, Russian Federation. ISSN: 1818-3735|
|Note:||In Russian with English summary. 9 refs.; illus., incl. 3 tables, sketch maps|
|Summary:||The experimental results of the high-frequency noise evaluation in modern ultrahigh-grade models of the gravitational field of the Earth are presented. In estimating the errors, a comparison of the values of the gravity anomalies was calculated using modern ultrahigh-grade models in the test regions of the world ocean. In addition, the values of anomalies calculated by the models were compared with the control data of marine gravimetric surveys. The analysis and interpretation of the obtained estimates of errors of ultrahigh-grade models were carried out. Judging by the experimental data obtained in the framework of the study, comparative estimates of anomalies of the gravitational field models of the Earth suggest that the EGM2008, EIGEN-6C4 and GECO models are almost the same or close in the calculated anomalies. The article suggests practical recommendations for the use of ultrahigh-degree models.|
|Subjects:||Earth; Experimental studies; Gravity anomalies; Gravity field; Interpretation; Models; Noise|
|Copyright Information:||GeoRef, Copyright 2021 American Geosciences Institute. Reference includes data supplied by ICSTI, Moscow, Russian Federation|
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