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The gravity field model based on the second invariant of the GOCE gravitational gradient tensor: IGGT_R1

Urheber*innen
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Lu,  B.
Publikationen aller ICGEM-unterstützten Projekte, Deutsches GeoForschungsZentrum;
1.2 Global Geomonitoring and Gravity Field, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Luo,  Zhicai
External Organizations;
Publikationen aller ICGEM-unterstützten Projekte, Deutsches GeoForschungsZentrum;

Zhong,  Bo
External Organizations;
Publikationen aller ICGEM-unterstützten Projekte, Deutsches GeoForschungsZentrum;

Zhou,  Hao
External Organizations;
Publikationen aller ICGEM-unterstützten Projekte, Deutsches GeoForschungsZentrum;

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Flechtner,  Frank
Publikationen aller ICGEM-unterstützten Projekte, Deutsches GeoForschungsZentrum;
1.2 Global Geomonitoring and Gravity Field, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Förste,  C.
Publikationen aller ICGEM-unterstützten Projekte, Deutsches GeoForschungsZentrum;
1.2 Global Geomonitoring and Gravity Field, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Barthelmes,  F.
Publikationen aller ICGEM-unterstützten Projekte, Deutsches GeoForschungsZentrum;
1.2 Global Geomonitoring and Gravity Field, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Zhou,  Rui
External Organizations;
Publikationen aller ICGEM-unterstützten Projekte, Deutsches GeoForschungsZentrum;

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Zitation

Lu, B., Luo, Z., Zhong, B., Zhou, H., Flechtner, F., Förste, C., Barthelmes, F., Zhou, R. (2017): The gravity field model based on the second invariant of the GOCE gravitational gradient tensor: IGGT_R1.
https://doi.org/10.5880/icgem.2017.007


Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_2889906
Zusammenfassung
IGGT_R1 is a static gravity field model based on the second invariant of the GOCE gravitational gradient tensor, up to degree and order 240. Based on tensor theory, three invariants of the gravitational gradient tensor (IGGT) are independent of the gradiometer reference frame (GRF). Compared to traditional methods for calculation of gravity field models based on GOCE data, which are affected by errors in the attitude indicator, using IGGT and least squares method avoids the problem of inaccurate rotation matrices. IGGT_R1 is the first experiment to use this method to build a real gravity field model by using GOCE gravitational gradients. This new model has been developed by Wuhan University (WHU), GFZ German Research Centre for Geosciences (GFZ), Technical University of Berlin (TUB), Huazhong University of Science and Technology (HUST) and Zhengzhou Information Engineering University (IEU). More details about the gravity field model IGGT_R1 is given in our paper “The gravity field model IGGT_R1 based on the second invariant of the GOCE gravitational gradient tensor” (Lu et al., 2017, http://doi.org/10.1007/s00190-017-1089-8). This work is supported by the Chinese Scholarship Council (No. 201506270158), the Natural Science Foundation of China (Nos. 41104014, 41131067, 41374023, 41474019 and 41504013) and the Key Laboratory of Geospace Environment and Geodesy, Ministry Education, Wuhan University (No. 16-02-07).