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The Advantage Analysis of 3-D Inversion of Airborne Gravity Gradiometry Data With Larger Sampling Interval
Wang, Taihan1; Ma, Guoqing1; Li, Lili1; Qin, Pengbo2,3; Meng, Zhaohai4,5,6,7
2022
Source PublicationIEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
ISSN0196-2892
Volume60Pages:10
AbstractAirborne gravity gradiometry is an effective tool for its high efficiency and sensitivity to the interesting buried targets, which has been increasingly introduced in mineral and petroleum exploration. When compared to gravimetry, full tensor gradient (FTG) measurements provide higher resolution and signal-to-noise ratio. In this article, we build and test models with different sampling intervals and compare the performances of individual components or their combinations in minimum structure inversion to evaluate the benefits of FTG combinations. As part of a theoretical study, the singular value spectrum (SVS) and depth-resolution plot (DRP) are examined to determine how much information and resolution different datasets provide in the underdetermined inverse problem. The synthetic examples show that integrating more components in inversion improves the resolution of the recovered model, and the inversion result of gravity or individual component cannot accurately restore the distribution of anomalous bodies. With the increasing sampling interval, joint inversion of FTC; data still provides enough information corresponding to the source density distribution, and the limit survey interval is tested through models. In addition, we use a real survey over the Vinton dome as a case study and discover that V, component fails to reconstruct the caprock model at coarse line spacing, whereas FTG combinations recover the acceptable geometry flawlessly. It also reflects the benefit of FTG combinations for inversion processing, which reduces the interference of measured noise on inversion results and allows for longer sampling intervals during the survey, effectively lowering the cost of an airborne survey and improving exploration efficiency.
KeywordFull tensor gradient (FTG) combinations gravity gradiometry joint inversion resolution sampling interval
DOI10.1109/TGRS.2022.3149104
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Keyword3D INVERSION ; GRADIENT TENSOR ; DEPTH RESOLUTION ; FIELD ; DECONVOLUTION
Language英语
Funding ProjectNational Natural Science Foundation of China[42104135] ; National Natural Science Foundation of China[42074147] ; National Natural Science Foundation of China[42174166]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaGeochemistry & Geophysics ; Engineering ; Remote Sensing ; Imaging Science & Photographic Technology
WOS SubjectGeochemistry & Geophysics ; Engineering, Electrical & Electronic ; Remote Sensing ; Imaging Science & Photographic Technology
WOS IDWOS:000772472400017
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/105059
Collection中国科学院地质与地球物理研究所
Corresponding AuthorMa, Guoqing
Affiliation1.Jilin Univ, Coll Geoexplorat Sci & Technol, Changchun 130026, Peoples R China
2.China Geol Survey, Guangzhou Marine Geol Survey, Guangzhou 510760, Peoples R China
3.Southern Marine Sci & Engn Guangdong Lab, Guangzhou 511458, Peoples R China
4.Tianjin Nav Instrument Res Inst, Tianjin 200131, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, Beijing 10029, Peoples R China
6.China State Shipbldg Corp, Lab Sci & Technol Marine Nav & Control, Tianjin 300131, Peoples R China
7.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Geophys, Beijing 10029, Peoples R China
Recommended Citation
GB/T 7714
Wang, Taihan,Ma, Guoqing,Li, Lili,et al. The Advantage Analysis of 3-D Inversion of Airborne Gravity Gradiometry Data With Larger Sampling Interval[J]. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING,2022,60:10.
APA Wang, Taihan,Ma, Guoqing,Li, Lili,Qin, Pengbo,&Meng, Zhaohai.(2022).The Advantage Analysis of 3-D Inversion of Airborne Gravity Gradiometry Data With Larger Sampling Interval.IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING,60,10.
MLA Wang, Taihan,et al."The Advantage Analysis of 3-D Inversion of Airborne Gravity Gradiometry Data With Larger Sampling Interval".IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 60(2022):10.
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