GSTDTAP
DOI10.1126/science.aay5881
Illuminating seafloor faults and ocean dynamics with dark fiber distributed acoustic sensing
Lindsey, Nathaniel J.1,2; Dawe, T. Craig3; Ajo-Franklin, Jonathan B.2,4
2019-11-29
发表期刊SCIENCE
ISSN0036-8075
EISSN1095-9203
出版年2019
卷号366期号:6469页码:1103-+
文章类型Article
语种英语
国家USA
英文摘要

Distributed fiber-optic sensing technology coupled to existing subsea cables (dark fiber) allows observation of ocean and solid earth phenomena. We used an optical fiber from the cable supporting the Monterey Accelerated Research System during a 4-day maintenance period with a distributed acoustic sensing (DAS) instrument operating onshore, creating a similar to 10,000-component, 20-kilometer-long seismic array. Recordings of a minor earthquake wavefield identified multiple submarine fault zones. Ambient noise was dominated by shoaling ocean surface waves but also contained observations of in situ secondary microseism generation, post-low-tide bores, storm-induced sediment transport, infragravity waves, and breaking internal waves. DAS amplitudes in the microseism band tracked sea-state dynamics during a storm cycle in the northern Pacific. These observations highlight this method's potential for marine geophysics.


领域地球科学 ; 气候变化 ; 资源环境
收录类别SCI-E
WOS记录号WOS:000500039200037
WOS关键词INTERNAL WAVES ; MONTEREY BAY ; CALIFORNIA ; COASTAL ; NOISE
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/226316
专题环境与发展全球科技态势
作者单位1.Univ Calif Berkeley, Earth & Planetary Sci Dept, 300 McCone Hall, Berkeley, CA 94720 USA;
2.Lawrence Berkeley Natl Lab, Energy Geosci Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA;
3.Monterey Bay Aquarium Res Inst, 7700 Sandholdt Rd, Moss Landing, CA 95039 USA;
4.Rice Univ, Dept Earth Environm & Planetary Sci, MS-126,6100 Main St, Houston, TX 77005 USA
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Lindsey, Nathaniel J.,Dawe, T. Craig,Ajo-Franklin, Jonathan B.. Illuminating seafloor faults and ocean dynamics with dark fiber distributed acoustic sensing[J]. SCIENCE,2019,366(6469):1103-+.
APA Lindsey, Nathaniel J.,Dawe, T. Craig,&Ajo-Franklin, Jonathan B..(2019).Illuminating seafloor faults and ocean dynamics with dark fiber distributed acoustic sensing.SCIENCE,366(6469),1103-+.
MLA Lindsey, Nathaniel J.,et al."Illuminating seafloor faults and ocean dynamics with dark fiber distributed acoustic sensing".SCIENCE 366.6469(2019):1103-+.
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