[an error occurred while processing this directive] | Global Geology 2018, 21(1) 55-61 DOI: 10.3969/j.issn.1673-9736.2018.01.06 ISSN: 1673-9736 CN: 22-1371/P | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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3D Joint inversion of gravity and gravity tensor data | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ZHAO Simin1, GAO Xiuhe1, QIAO Zhongkun2, JIANG Dandan1, ZHOU Fei1, LIN Song1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1. College of Geo-Exploration Science and Techonology, Jilin University, Changchun 130026, China; 2. Guangzhou Marine Geological Survey, Guangzhou 510000, China | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ժҪ�� The processing and interpretation of gravity and gradient data plays an important role in geophysics. The cross gradient joint inversion is usually used for achieving structure coupling of multiple geophysical models. In order to realize the coupling of gravity and gravity tensor data, the authors analyzed each component. The results show that different types of data contain different direction information, and derived the joint inversion based on cross gradient function and applied it to model data. The theoretical model results show that the cross gradient method can reduce the multi solution and significantly improve the resolution of the inversion. The method was also applied to inverse the gravity tensor data in Vinton salt dome, showing that this method can get higher resolution results than the separate linear inversion, and be closer to the real density from drilling data. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
�ؼ����� cross gradient joint inversion gravity data gradient data | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
3D Joint inversion of gravity and gravity tensor data | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ZHAO Simin1, GAO Xiuhe1, QIAO Zhongkun2, JIANG Dandan1, ZHOU Fei1, LIN Song1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1. College of Geo-Exploration Science and Techonology, Jilin University, Changchun 130026, China; 2. Guangzhou Marine Geological Survey, Guangzhou 510000, China | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Abstract: The processing and interpretation of gravity and gradient data plays an important role in geophysics. The cross gradient joint inversion is usually used for achieving structure coupling of multiple geophysical models. In order to realize the coupling of gravity and gravity tensor data, the authors analyzed each component. The results show that different types of data contain different direction information, and derived the joint inversion based on cross gradient function and applied it to model data. The theoretical model results show that the cross gradient method can reduce the multi solution and significantly improve the resolution of the inversion. The method was also applied to inverse the gravity tensor data in Vinton salt dome, showing that this method can get higher resolution results than the separate linear inversion, and be closer to the real density from drilling data. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Keywords: cross gradient joint inversion gravity data gradient data | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
�ո����� 2017-10-25 ������ 2017-11-25 ����淢������ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
DOI: 10.3969/j.issn.1673-9736.2018.01.06 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Supported by Project of National Key Research and Development Plan (No.2017YFC0601606, 2017YFC0602203), National Science and Technology Major Project (No.2016ZX05027-002-03), National Natural Science Foundation of China (No.41604098, 41404089) and State Key Program of National Natural Science of China (No.41430322). | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1��YUAN Zhiyi, ZENG Zhaofa, JIANG Dandan, HUAI Nan, ZHOU Fei.Multi-component joint inversion of gravity gradient based on fast forward calculation[J]. Global Geology, 2017,20(3): 176-183 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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