Distributed Acoustic Sensing

Distributed Acoustic Sensing (DAS) is a potentially transformative technology in the geosciences and engineering. The rapidly increasing interest in DAS arises from its use in continuous arrays that can be kilometers in length while providing spatial resolution of meters and frequency response from millihertz to kilohertz. This mailing list provides a forum for discussion on all topics related to DAS technology including: applications, installation, data acquisition, handling and processing of data, engineering and scientific technical development, and advertisement of upcoming events, workshops, meetings, or other opportunities in the DAS community.

For more information on the Distribution Acoustic Sensing Research Coordination Network, please go to: https://www.iris.edu/hq/initiatives/das_rcn

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Discussion

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Active Message Threads for May 2022

Kasey Aderhold
TOMORROW - DAS RCN WEBINAR: Instrumentation Showcase - Part 1, 5/18 at 10-11AM Eastern
2022-05-17 08:15:00
Please join us on *Wednesday May 18th at 10:00-11:00 AM Eastern* for… *DAS RCN WEBINAR: Instrumentation Showcase - Part 1* *Organized by the DAS RCN Instrumentation Working GroupModerated by Yingping LiPresenters: David Hill (Sintela) and Ricardo Arias (Aragon Photonics)* *Register: https://zoom.us/webinar/register/WN_owrxsmCaSI-EHgJ0Xbq3Og <https://zoom.us/webinar/register/WN_owrxsmCaSI-EHgJ0Xbq3Og>* The Instrumentation Working Group of the NSF-funded DAS Research Coordination Network woul… [more]
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Dylan Mikesell
DAS-geotechnics postdoctoral position
2022-05-16 14:45:00
Dear DAS RCN, The Norwegian Geotechnical Institute (NGI) is looking for a postdoc with DAS knowledge. NGI is investigating DAS for infrastructure (e.g. dams) and natural hazard monitoring (e.g. quick clay slides, snow avalanches, etc.). The postdoc would be supervised by me and work in the Remote Sensing and Geophysics group within the Natural Hazards directorate at NGI. We will focus on ambient seismic noise monitoring (e.g. coda wave interferometry) and relating velocity changes to geotechni… [more]
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Marco Olivieri
Fiber‐Optic Cable deployment
2022-05-03 18:24:16 - 2022-05-09 15:10:27
Dear All, We have been offered to deploy our own fiber‐optic cable besides one telecom company deployment that will connect a town to a village (about 8 km long). We expect to use it for seismic monitoring purposes with DAS. As far as we know they will use a standard method i.e. dig an 8 km long trench, bury a pvc duct and insert the fiber‐optic cable in it. The question is: Would it be better to insert our cable in the pvc duct besides the telecom one or to have it buried directly to the gro… [more]
Replies
Kasey Aderhold
DAS RCN WEBINAR: Instrumentation Showcase - Part 1, 5/18 at 10-11AM Eastern
2022-05-06 13:53:24
Please join us on *Wednesday May 18th at 10:00-11:00 AM Eastern* for… *DAS RCN WEBINAR: Instrumentation Showcase - Part 1* *Organized by the DAS RCN Instrumentation Working Group* *Moderated by Yingping Li* *Presenters: David Hill (Sintela) and Ricardo Arias (Aragon Photonics)* *Register: https://zoom.us/webinar/register/WN_owrxsmCaSI-EHgJ0Xbq3Og <https://zoom.us/webinar/register/WN_owrxsmCaSI-EHgJ0Xbq3Og>* The Instrumentation Working Group of the NSF-funded DAS Research Coordination Networ… [more]
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Kasey Aderhold
DAS RCN Community Forum - April 2022
2022-05-05 13:49:39
Hello DAS Mailing List, Steering Committee Members, and Working Group leads, We held the DAS RCN Community Forum "Community Resources/Facilities" on April 14th and the recording is now posted under the Events tab of the DAS RCN website: https://www.iris.edu/hq/initiatives/das_rcn. Thank you to all who responded to the survey and participated in the discussion. A draft white paper is available here for further comments and for noting available DAS equipment: https://docs.google.com/document/d/1… [more]
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