联合式大地电磁场静位移二维校正方法及其应用

张昆; 严加永; 蔡德超; 魏文博; 屈栓柱; 唐宝山; 曹瑞鑫; 任亚琼

doi:10.3799/dqkx.2016.073

Volume 41 Issue 5

May 2016

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Article Navigation > Earth Science > 2016 > 41(5): 864-872

Zhang Kun, Yan Jiayong, Cai Dechao, Wei Wenbo, Qu Shuanzhu, Tang Baoshan, Cao Ruixin, Ren Yaqiong, 2016. Combined 2-D Correction Method and Its Application of Static Shift in MT Data. Earth Science, 41(5): 864-872. doi: 10.3799/dqkx.2016.073

Citation:

Zhang Kun, Yan Jiayong, Cai Dechao, Wei Wenbo, Qu Shuanzhu, Tang Baoshan, Cao Ruixin, Ren Yaqiong, 2016. Combined 2-D Correction Method and Its Application of Static Shift in MT Data. Earth Science, 41(5): 864-872. doi: 10.3799/dqkx.2016.073

Citation:

Zhang Kun, Yan Jiayong, Cai Dechao, Wei Wenbo, Qu Shuanzhu, Tang Baoshan, Cao Ruixin, Ren Yaqiong, 2016. Combined 2-D Correction Method and Its Application of Static Shift in MT Data. Earth Science, 41(5): 864-872. doi: 10.3799/dqkx.2016.073

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Combined 2-D Correction Method and Its Application of Static Shift in MT Data

doi: 10.3799/dqkx.2016.073

1.
MLR Key Laboratory of Metallogeny and Mineral Assessment, Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037, China
2.
Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
3.
China Petroleum Exploration and Development Research Institute, Beijing 100083, China
4.
School of Geophysics and Information Technology, China University of Geosciences, Beijing 100083, China
5.
Geophysical and Geochemical Party, Xinjiang Bureau of Geology and Mineral Resources Exploration and Development, Changji 831100, China
6.
Hubei Institute of Geophysical Exploration, Wuhan 430056, China

Received Date: 2015-12-10
Publish Date: 2016-05-15

Abstract

Abstract

The static shift of MT exploration is the issue concerned by domestic and foreign experts, and many correction methods were proposed. But each method has its advantages and disadvantages. In this paper, the static shift of MT and its derivative methods is discussed from the basic theory, and a joint correction method is proposed using the improved plane Hanning window weighting and the first branch coincidence methods. The optimal estimation and iterative methods are used to combine the correction methods for static shift problems with different formations, and the correction method is consummated for realizing large-scale data processing. The correctness of the correction method is verified using the synthetic sounding. And the effectiveness is verified by the comparison of the application results with real data and priori information.
- static shift correction,
- magnetotelluric,
- coincidence first branch,
- plane clustering,
- optimal estimation,
- geophysicals.

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References(35)

References

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Combined 2-D Correction Method and Its Application of Static Shift in MT Data

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