海底地震仪(OBS)主动源转换横波的应用

张洁; 李家彪; 阮爱国; 卫小冬; 牛雄伟; 于志腾; 庞新明

doi:10.3799/dqkx.2018.534

Volume 43 Issue 10

Oct. 2018

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Article Navigation > Earth Science > 2018 > 43(10): 3778-3791

Zhang Jie, Li Jiabiao, Ruan Aiguo, Wei Xiaodong, Niu Xiongwei, Yu Zhiteng, Pang Xinming, 2018. Application of Converted S-Waves from the Active-Source Ocean Bottom Seismometer Experiment. Earth Science, 43(10): 3778-3791. doi: 10.3799/dqkx.2018.534

Citation:

Zhang Jie, Li Jiabiao, Ruan Aiguo, Wei Xiaodong, Niu Xiongwei, Yu Zhiteng, Pang Xinming, 2018. Application of Converted S-Waves from the Active-Source Ocean Bottom Seismometer Experiment. Earth Science, 43(10): 3778-3791. doi: 10.3799/dqkx.2018.534

Citation:

Zhang Jie, Li Jiabiao, Ruan Aiguo, Wei Xiaodong, Niu Xiongwei, Yu Zhiteng, Pang Xinming, 2018. Application of Converted S-Waves from the Active-Source Ocean Bottom Seismometer Experiment. Earth Science, 43(10): 3778-3791. doi: 10.3799/dqkx.2018.534

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Application of Converted S-Waves from the Active-Source Ocean Bottom Seismometer Experiment

doi: 10.3799/dqkx.2018.534

1.
Key Laboratory of Submarine Geosciences, Second Institute of Oceanography, SOA, Hangzhou 310012, China
2.
State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China
3.
CAS Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Guangzhou 510301, China

Received Date: 2018-01-19
Publish Date: 2018-10-20

Abstract

Abstract

Shear waves are polarized waves showing different characteristics from compressional waves, which are specially important to the seismic exploration. They have been widely used in the passive-source seismic studies, such as the receiver functions and shear wave splitting. However the application of shear waves is still limited in the active-source ocean bottom seismometer exploration. Shear waves are converted waves for the underwater seismic source. In this paper, we firstly summarize the conversion, mode type, processes and identification of shear waves. And we also use real examples to introduce different applications in different oceans. The studies of converted shear waves are mainly used to reveal the submarine rock property, infer the crustal type, discuss the conjugate relationship of the continental margin, identify the mantle serpentinization, infer gas hydrate saturation and predict the fluids based on 1D/2D converted shear waves. Numerous 2D/3D OBS data have been collected in the South China Sea, hence we can gradually change the studies of converted shear waves from 2D to 3D and conduct analysis in combination with other geophysical data. Using those data will help to reveal the composition of seamounts and identify the porosity of the low-velocity upper mantle in the South China Sea.
- ocean bottom seismometer (OBS),
- converted S-waves,
- Vp/Vs ratio,
- geophysics

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References(110)

References

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Application of Converted S-Waves from the Active-Source Ocean Bottom Seismometer Experiment

doi: 10.3799/dqkx.2018.534

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