ANALYSIS OF VELOCITY DATA FROM THE SOUTH OF EAST CHINA SEA SHELF BASIN

Yongzheng YU; Changqing YANG

doi:10.16028/j.1009-2722.2018.04009

2018 Vol. 34, No. 4

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Article navigation > Marine Geology Frontiers > 2018 > 34(4): 63-70

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Yongzheng YU, Changqing YANG. ANALYSIS OF VELOCITY DATA FROM THE SOUTH OF EAST CHINA SEA SHELF BASIN[J]. Marine Geology Frontiers, 2018, 34(4): 63-70. doi: 10.16028/j.1009-2722.2018.04009

Citation:

Yongzheng YU, Changqing YANG. ANALYSIS OF VELOCITY DATA FROM THE SOUTH OF EAST CHINA SEA SHELF BASIN[J]. Marine Geology Frontiers, 2018, 34(4): 63-70. doi: 10.16028/j.1009-2722.2018.04009

ANALYSIS OF VELOCITY DATA FROM THE SOUTH OF EAST CHINA SEA SHELF BASIN

Yongzheng YU^1,,
Changqing YANG²

1.
Geological Exploration Technologies Institute of Anhui Province, Hefei 230031, China
2.
Qingdao Institute of Marine Geology, CGS, Qingdao 266071, China)

Received Date: 30 January 2018

Abstract

Abstract

Based on the feasibility of using speed spectrum data for velocity study, a variety of methods are used in this paper to identify and filter the velocity spectrum data. Statistics and analysis are performed by using effective velocity spectrum data to calculate the velocity distribution in the Oujiang, Minjiang, Keelung, and Jinjiang regions and the average speed trend of the whole region has been worked out. The methodology for mapping average velocity of each reflection layer is discussed so as to provide data for basic time-depth conversion. In this paper, we also analyzed the consistency between the seismological and geological structures and their velocity trend, discussed the regional isovelocity pattern and stratigraphic distribution trend as well as density distribution in a structurally inactive basin as such. The results are helpful for study of gravity data.
- seismic data /
- velocity spectrum /
- average velocity /
- East China Sea Shelf Basin

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References

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