DOI: 10.1002/2014GL060926
论文题名: Acoustic Green's function extraction from ambient noise in a coastal ocean environment
作者: Brown M.G. ; Godin O.A. ; Williams N.J. ; Zabotin N.A. ; Zabotina L. ; Banker G.J.
刊名: Geophysical Research Letters
ISSN: 0094-9872
EISSN: 1944-9603
出版年: 2014
卷: 41, 期: 15 起始页码: 5555
结束页码: 5562
语种: 英语
英文关键词: acoustic tomography
; Green's function
; noise interferometry
; ocean noise
Scopus关键词: Acoustic fields
; Green's function
; Interferometry
; Oceanography
; Underwater acoustics
; Acoustic ambient noise
; Acoustic tomography
; Coastal ocean environment
; Extracting information
; Function extraction
; Measurement locations
; Ocean noise
; Tomographic inversion
; Continental shelves
; Cross correlations
; Acoustic noise
; acoustic method
; ambient noise
; continental shelf
; correlation
; Green function
; underwater environment
; wave propagation
; Florida Keys
; Florida [United States]
; United States
英文摘要: We report on the results of an underwater acoustic field experiment conducted in December 2012 on the continental shelf off the Florida Keys in water of approximately 100 m depth. Ambient noise was recorded concurrently on three moored near-bottom instruments with horizontal separations of approximately 5 km, 10 km, and 15 km. We focus in this letter on instrument pairs with 5 km and 10 km separations. Consistent with theoretical predictions, coherent sums of many realizations of cross correlations of ambient noise records at two measurement locations are shown to yield approximations to deterministic acoustic Green's functions that describe propagation between those two locations. The results presented demonstrate the feasibility of extracting information suitable for use in tomographic inversions from measurements of underwater acoustic ambient noise. Key Points Noise interferometry is feasible in a challenging coastal ocean environment Ambient noise-based remote sensing of the ocean is feasible © 2014. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84905302098&doi=10.1002%2f2014GL060926&partnerID=40&md5=6eefb531c4735d79d9072e73ac01d71a
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7136
Appears in Collections: 气候减缓与适应
There are no files associated with this item.
作者单位: Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, United States
Recommended Citation:
Brown M.G.,Godin O.A.,Williams N.J.,et al. Acoustic Green's function extraction from ambient noise in a coastal ocean environment[J]. Geophysical Research Letters,2014-01-01,41(15).