globalchange  > 科学计划与规划
DOI: 10.1002/2015GL063530
论文题名:
Location of high-frequency P wave microseismic noise in the Pacific Ocean using multiple small aperture arrays
作者: Pyle M.L.; Koper K.D.; Euler G.G.; Burlacu R.
刊名: Geophysical Research Letters
ISSN: 0094-8759
EISSN: 1944-8490
出版年: 2015
卷: 42, 期:8
起始页码: 2700
结束页码: 2708
语种: 英语
英文关键词: array analysis ; microseisms
Scopus关键词: Frequency bands ; Frequency doublers ; Oceanography ; Seismology ; Wave energy conversion ; Array analysis ; Back-projection methods ; High frequency HF ; International monitoring systems ; Microseisms ; Narrow frequency band ; Small aperture arrays ; Wave-wave interactions ; Seismic waves ; frequency analysis ; P-wave ; seismic noise ; wave energy ; wave-wave interaction ; Pacific Ocean
英文摘要: We investigate source locations of P wave microseisms within a narrow frequency band (0.67-1.33 Hz) that is significantly higher than the classic microseism band (∼0.05-0.3 Hz). Employing a backprojection method, we analyze data recorded during January 2010 from five International Monitoring System arrays that border the Pacific Ocean. We develop a ranking scheme that allows us to combine beam power from multiple arrays to obtain robust locations of the microseisms. Some individual arrays exhibit a strong regional component, but results from the combination of all arrays show high-frequency P wave energy emanating from the North Pacific basin, in general agreement with previous observations in the double-frequency (DF) microseism band (∼0.1-0.3 Hz). This suggests that the North Pacific source of ambient P noise covers a broad range of frequencies and that the wave-wave interaction model is likely valid at shorter periods. ©2015. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84929502457&doi=10.1002%2f2015GL063530&partnerID=40&md5=42fe76dbc6db13a3fe09ab2435066053
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8375
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Lawrence Livermore National Laboratory, Livermore, CA, United States

Recommended Citation:
Pyle M.L.,Koper K.D.,Euler G.G.,et al. Location of high-frequency P wave microseismic noise in the Pacific Ocean using multiple small aperture arrays[J]. Geophysical Research Letters,2015-01-01,42(8).
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