Perspective on distributed acoustic sensing for seismic activity monitoring
Authors
Fernández Ruiz, María del Rosario; Soto, Marcelo A.; Williams, Ethan; Martín López, Sonia; Zhan, Zhongwen; [et al.]Identifiers
Permanent link (URI): http://hdl.handle.net/10017/59865DOI: 10.1063/1.5139602
ISSN: 2378-0967
Publisher
AIP Publishing
Date
2020-03-24Funders
European Commission
Comunidad de Madrid
Ministerio de Economía y Competitividad
Agencia Estatal de Investigación
Ministerio de Ciencia e Innovación
Bibliographic citation
María. R. Fernández-Ruiz, Marcelo A. Soto,
Ethan F. Williams, Sonia Martin-Lopez,
Zhongwen Zhan, Miguel Gonzalez-Herraez
and Hugo F. Martins. Perspective on Distributed Acoustic Sensing for Seismic Activity Monitoring, APL Photonics, 2020, v. 5, n. 3, pp. 1-24.
Project
info:eu-repo/grantAgreement/EC/H2020/722509/EU/Fibre Nervous Sensing Systems/FINESSE
info:eu-repo/grantAgreement/EC/H2020/WaterJPI-JC-2015-04/EU/Dikes and Debris Flows Monitoring by Novel Optical Fiber Sensors/DOMINO
info:eu-repo/grantAgreement/CAM//S2018%2FNMT4326/ES/SENSORES E INSTRUMENTACION EN TECNOLOGIAS FOTONICAS2/SINFOTON2
info:eu-repo/grantAgreement/MINECO//TEC2015-71127-C2-2-R/ES/REDUCCION DE LOS EFECTOS DE RUIDO EN SISTEMAS DE FIBRA OPTICA NO LINEALES/
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-097957-B-C31/ES/INGENIERIA DE SEÑALES OPTICAS COMPLEJAS PARA SISTEMAS DE FIBRA OPTICA MAS ALLA DE LA TELECOMUNICACION/
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-097957-B-C33/ES/TECNICAS AVANZADAS DE GENERACION, AMPLIFICACION Y MEDIDA DE SEÑALES OPTICAS COMPLEJAS EN FIBRA OPTICA/
info:eu-repo/grantAgreement/AEI//FJCI-2016-27881
info:eu-repo/grantAgreement/MICINN//IJCI-2017-33856
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/publishedVersion
Publisher's version
https://doi.org/10.1063/1.5139602Rights
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
Access rights
info:eu-repo/semantics/openAccess
Abstract
Continuous, real-time monitoring of surface seismic activity around the globe is of great interest for acquiring new insight in global tomography analyses and for recognition of seismic patterns
leading to potentially hazardous situations. The already-existing telecommunication fiber optic
network arises as an ideal solution for this application, owing to its ubiquity and the capacity of
optical fibers to perform distributed, highly sensitive monitoring of vibrations at relatively low
cost (ultra-high density of point sensors available with minimal deployment of new equipment).
This perspective article discusses early approaches on the application of fiber-optic distributed
acoustic sensors (DAS) for seismic activity monitoring. The benefits and potential impact of DAS
technology in this kind of applications are here illustrated with new experimental results on
teleseism monitoring based on a specific approach: the so-called chirped-pulse DAS. This
technology offers promising prospects for the field of seismic tomography due to its appealing
properties in terms of simplicity, consistent sensitivity across sensing channels and robustness.
Furthermore, we also report on several signal processing techniques readily applicable to
chirped-pulse DAS recordings for extracting relevant seismic information from ambient acoustic noise. The outcome presented here may serve as foundation for a novel conception for
ubiquitous seismic monitoring with minimal investment.
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