SKS splitting measurements with unknown horizontal orientation of the ocean bottom seismograph

doi:10.6038/cjg20170314

CORC > 自然资源部第一海洋研究所 > 自然资源部第一海洋研究所 > 业务部门 > 海洋地质与地球物理研究室

	SKS splitting measurements with unknown horizontal orientation of the ocean bottom seismograph
	Si Shao-Kung 1; Liu Bao-Hua 1; Liu Chen-Guang 2; Yang Ting 3; Feng Zhi-Bing 1,4
刊名	CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
	2017-03
卷号	60 期号:3 页码:999-1006
关键词	SKS splitting Seismic anisotropy Horizontal orientation of the OBS
ISSN号	0001-5733
DOI	10.6038/cjg20170314
英文摘要	Broadband ocean-bottom seismograph (OBS) detection technology has become an effective geophysical way for studying the structure and dynamics of the oceanic crust and mantle. The measurement of SKS splitting parameters has been widely used for the study of anisotropy in the upper mantle. It is necessary to know the orientation of the OBS in traditional SKS splitting measurement. However, during typical OBS deployments, sensors are settled onto the seafloor through a free-fall process, leading to unknown horizontal orientation of the OBS sensors. In this paper, according to the kinetic characteristic between fast and slow wave, we develop a novel method for SKS splitting measurement with unknown horizontal orientation of the OBS. We test the method with the synthetic waveforms and real teleseismic data, respectively. Model tests show that the method is reliable for SKS splitting measurement. Relative to the traditional method of determining the orientation of the OBS first and then measuring the SKS splitting parameters, this method could get both of them at the same time, which reduces the accumulative errors in traditional method. Its application to the observational data indicates that the method in this paper is effective in SKS splitting measurement with higher reliability.
WOS研究方向	Geochemistry & Geophysics
语种	中文
出版者	SCIENCE PRESS
WOS记录号	WOS:000396386700014
内容类型	期刊论文
源URL	[http://ir.fio.com.cn/handle/2SI8HI0U/3215]
专题	业务部门_海洋地质与地球物理研究室
作者单位	1.State Ocean Adm, Natl Deep Sea Ctr, Qingdao 266237, Peoples R China; 2.State Ocean Adm, Inst Oceanog 1, Qingdao 266061, Peoples R China; 3.Tongji Univ, State Key Lab Marine Geol, Shanghai 200092, Peoples R China; 4.Ocean Univ China, Qingdao 266100, Peoples R China
推荐引用方式 GB/T 7714	Si Shao-Kung,Liu Bao-Hua,Liu Chen-Guang,et al. SKS splitting measurements with unknown horizontal orientation of the ocean bottom seismograph[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2017,60(3):999-1006.
APA	Si Shao-Kung,Liu Bao-Hua,Liu Chen-Guang,Yang Ting,&Feng Zhi-Bing.(2017).SKS splitting measurements with unknown horizontal orientation of the ocean bottom seismograph.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,60(3),999-1006.
MLA	Si Shao-Kung,et al."SKS splitting measurements with unknown horizontal orientation of the ocean bottom seismograph".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 60.3(2017):999-1006.