Further studies on the numerical simulation of bubble plumes in the cold seepage active region

LI Canping; GOU Limin; YOU Jiachun; LIU Xuewei; OU Chuling

doi:10.1007/s13131-016-0803-3

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Article Navigation > Acta Oceanologica Sinica > 2016 > 35(1): 118-124

LI Canping, GOU Limin, YOU Jiachun, LIU Xuewei, OU Chuling. Further studies on the numerical simulation of bubble plumes in the cold seepage active region[J]. Acta Oceanologica Sinica, 2016, 35(1): 118-124. doi: 10.1007/s13131-016-0803-3

Citation:

LI Canping, GOU Limin, YOU Jiachun, LIU Xuewei, OU Chuling. Further studies on the numerical simulation of bubble plumes in the cold seepage active region[J]. Acta Oceanologica Sinica, 2016, 35(1): 118-124. doi: 10.1007/s13131-016-0803-3

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Further studies on the numerical simulation of bubble plumes in the cold seepage active region

doi: 10.1007/s13131-016-0803-3

1.
Guangdong Province Key Laboratory for Coastal Ocean Variation and Disaster Prediction (GLOD), Guangdong Ocean University, Zhanjiang 524088, China;Laboratory of Ocean Remote Sensing and Information Technology, Guangdong Ocean University, Zhanjiang 524088, China
2.
School of Ocean Sciences, China University of Geosciences (Beijing), Beijing 100083, China
3.
School of Geophysics and Information Technology, China University of Geosciences (Beijing), Beijing 100083, China
4.
Laboratory of Ocean Remote Sensing and Information Technology, Guangdong Ocean University, Zhanjiang 524088, China

Received Date: 2015-03-19
Rev Recd Date: 2015-09-08

Abstract

Abstract

Using the occurrence characteristics of bubble plumes in the South China Sea as a reference, this paper continues to study the seismic responses produced by bubble plumes in the cold seepage active region. To make the plume modelling scheme more reasonable, we modified the original modelling scheme and reconstructed a plume water body model based on the variation of its radius as bubbles rise in seawater. The plume seismic records of shot gathers were obtained by forward simulation. The seismic records of single shot show obvious characteristics of a scattering wave field and the periodic characteristics of the model. Seismic records of shot gathers were processed using prestack depth migration. The boundary of its imaging section has a good convergence effect. The migration sections can be imaged distinctly with higher accuracy. The aforementioned studies once again laid a foundation for the further study of the seismic responses produced by plumes. They also gradually probed a more suitable seismic data processing method for plumes and provided a theoretical guidance for the identification of plumes.
- plume,
- cold seepage,
- gas hydrate,
- scattered wave,
- numerical simulation

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References(36)

References

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