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THREE-DIMENSIONAL GRAVITY-MAGNETIC CROSS-GRADIENT JOINT INVERSION BASED ON STRUCTURAL COUPLING AND A FAST GRADIENT METHOD
Zhang, Yuanping; Wang, Yanfei1
2019
Source PublicationJOURNAL OF COMPUTATIONAL MATHEMATICS
ISSN0254-9409
Volume37Issue:6Pages:758-777
AbstractIn order to effectively solve the low precision problem of the single gravity density inversion and the magnetic susceptibility inversion, and the limitation of the gravity-magnetic joint inversion method based on the petrophysical parameter constraint, this paper studies the three-dimensional gravity-magnetic cross-gradient joint inversion based on the structural coupling and the fast optimization algorithm. Based on the forward and inversion modeling of three-dimensional gravity density and three-dimensional magnetic susceptibility using the same underground grid, along with cross-gradient coupling as the structural constraint, we propose a new gravity-magnetic joint inversion objective function including the data fitting term, the total variation regularization constraint term and the cross-gradient term induced by the structural coupling. The depth weighted constraint and the data weighting constraint are included into the objective function, which requires different physical property models to minimize their respective data residuals. At the same time, the cross-gradient term tends to zero, so that the structure of the gravity and magnetic models tends to be consistent. In realization, we address a fast and efficient gradient algorithm to iteratively solve the objective function. We apply this new joint inversion algorithm to the 3D gravity-magnetic model inversion test and compare it with the results of a single inversion algorithm. The experimental tests of synthetic data indicate that the gravity-magnetic cross-gradient joint inversion method can effectively improve the accuracy of the anomaly position and numerical accuracy of the inverted anomaly physical parameters compared with the single physical inversion method.
KeywordJoint inversion Gravity Magnet Cross-gradient Regularization
DOI10.4208/jcm.1905-m2018-0240
Funding OrganizationNational Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology 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 Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology 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 Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology 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 Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology 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 KeywordSEISMIC TRAVEL-TIME ; DC RESISTIVITY ; 3-D INVERSION ; 3D INVERSION ; CONSTRAINTS ; REFRACTION
Language英语
Funding ProjectNational Key R&D Program of the Ministry of Science and Technology of China[2018YFC0603500] ; National Natural Science Foundation of China[91630202]
Funding OrganizationNational Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology 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 Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology 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 Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology 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 Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology of China ; National Key R&D Program of the Ministry of Science and Technology 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 AreaMathematics
WOS SubjectMathematics, Applied ; Mathematics
WOS IDWOS:000504738100003
PublisherGLOBAL SCIENCE PRESS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95884
Collection油气资源研究院重点实验室
Corresponding AuthorWang, Yanfei
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
Corresponding Author AffilicationKey Laboratory of Petroleum Resource Research, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhang, Yuanping,Wang, Yanfei. THREE-DIMENSIONAL GRAVITY-MAGNETIC CROSS-GRADIENT JOINT INVERSION BASED ON STRUCTURAL COUPLING AND A FAST GRADIENT METHOD[J]. JOURNAL OF COMPUTATIONAL MATHEMATICS,2019,37(6):758-777.
APA Zhang, Yuanping,&Wang, Yanfei.(2019).THREE-DIMENSIONAL GRAVITY-MAGNETIC CROSS-GRADIENT JOINT INVERSION BASED ON STRUCTURAL COUPLING AND A FAST GRADIENT METHOD.JOURNAL OF COMPUTATIONAL MATHEMATICS,37(6),758-777.
MLA Zhang, Yuanping,et al."THREE-DIMENSIONAL GRAVITY-MAGNETIC CROSS-GRADIENT JOINT INVERSION BASED ON STRUCTURAL COUPLING AND A FAST GRADIENT METHOD".JOURNAL OF COMPUTATIONAL MATHEMATICS 37.6(2019):758-777.
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