globalchange  > 气候减缓与适应
DOI: 10.1002/grl.50698
论文题名:
Determining the orientations of ocean bottom seismometers using ambient noise correlation
作者: Zha Y.; Webb S.C.; Menke W.
刊名: Geophysical Research Letters
ISSN: 0094-8777
EISSN: 1944-8508
出版年: 2013
卷: 40, 期:14
起始页码: 3585
结束页码: 3590
语种: 英语
英文关键词: ambient noise ; ocean bottom seismology
Scopus关键词: Ambient noise ; Ambient seismic noise ; Conventional methods ; Cross correlations ; Green's tensors ; Ocean bottom seismometer ; Sensor orientation ; Wave polarizations ; Polarization ; Rayleigh waves ; Seismographs ; Seismology ; Acoustic noise ; azimuth ; correlation ; data set ; polarization ; Rayleigh wave ; seismic noise ; seismograph ; seismology ; velocity ; wave propagation
英文摘要: The cross-correlation of multicomponent ambient seismic noise can reveal both the velocity and polarization of surface waves propagating between pairs of stations. We explore this property to develop a novel method for determining the horizontal orientation of ocean bottom seismometers (OBS) by analyzing the polarization of Rayleigh waves retrieved from ambient noise cross-correlation. We demonstrate that the sensor orientations can be estimated through maximizing the correlation between the radial-vertical component and the phase-shifted vertical-vertical component of the empirical Green's tensor. We apply this new method to the ELSC (Eastern Lau Spreading Center) OBS experiment data set and illustrate its robustness by comparing the obtained orientations with results from a conventional method utilizing teleseismic P and Rayleigh wave polarizations. When applied to a large OBS array, the ambient noise method provides a larger number of orientation estimates and better azimuthal coverage than typically is possible with traditional methods. © 2013. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84880248756&doi=10.1002%2fgrl.50698&partnerID=40&md5=977170c38ebc2ae70d5cd9bf434a4859
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/6041
Appears in Collections:气候减缓与适应

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作者单位: Lamont-Doherty Earth Observatory, Columbia University, Palisades 10964, NY, United States

Recommended Citation:
Zha Y.,Webb S.C.,Menke W.. Determining the orientations of ocean bottom seismometers using ambient noise correlation[J]. Geophysical Research Letters,2013-01-01,40(14).
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