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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kasey.aderhold@iris.edu, Herb Wang
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Active Message Threads for March 2022

Please join us on *Wednesday March 30th at 12:00-3:00 PM Eastern* for… *Seafloor Fiber Optic Sensing* *Organized by the DAS RCN Marine Geophysics Working Group & IRISModerated by Nate Lindsey and Meagan WengrovePresenters: Léa Bouffaut, Ethan Williams, William Wilcock, Han Xiao, Pierre Martz, Mikael Mazur* *Register: https://zoom.us/webinar/register/WN_brOwlv2XRjO2jpVkgKw0Tw <https://zoom.us/webinar/register/WN_brOwlv2XRjO2jpVkgKw0Tw>* Recently developed photonic measurement techniques, inc… [more]
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Scott W Tyler
2022-03-28 17:35:54
Dear Colleagues, if you have not already taken a few minutes to answer our questions on the future of DAS instrumentation, please do so at the link below for the Research Coordinating Network. Your responses are really helpful to us!! Distributed Acoustic Sensing Brief Survey<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.google.com%2Fforms%2Fd%2Fe%2F1FAIpQLSeVd7rfHrOcZJo48U4Wei3u3CSYeDWVpAFwYNMPE3BvGIP28Q%2Fviewform&data=04%7C01%7Cstyler%40unr.edu%7C2c5d68025fb7429a76… [more]
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I am attaching a summary of the areas of interest sent to me by respondents to my initial email. If others would like me to add more topics, or if you would like to be added to the spreadsheet I have been putting together (name, institution, email address, topics of interest and existing/incipient projects, publications, data sets) related to DAS, respond at your convenience, but preferably before the Wednesday meeting. Thanks. Cliff > My thanks to all of you who responded, and my apologies… [more]
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My thanks to all of you who responded, and my apologies for being slow getting back to you all. The meeting will be Wednesday March 30, 3:30 PM. I will work on the agenda and assemble the information that I have been provided about DAS activities, etc., over the weekend. Please email kasey@iris.edu<mailto:kasey@iris.edu> if you would like to attend so we can send you the Zoom link. A recording will be provided upon request for those unable to attend. Cheers, Cliff I have been ale… [more]
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*Postdoc Position in Distributed Acoustic Sensing at the University of Washington* http://apply.interfolio.com/102667 The Geophysics Group at the University of Washington (UW) will hire a Postdoctoral Scholar (postdoc) supported by the UW Geohazards Initiative (GHI). The postdoc will have wide latitude to carry out data discovery and analysis on offshore distributed acoustic sensing (DAS) datasets from the Pacific Northwest, Alaska, and beyond. The postdoc will have additional opportunities to… [more]
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I have been alerted to another meeting next Wednesday: Wednesday March 30th at 12:00-3:00 PM Eastern Seafloor Fiber Optic Sensing The time window I proposed is 3 to 5 pm Central Time (Wednesday or Monday), starting a full hour after the scheduled end of the seafloor meeting, so I do not see it as conflicting. FYI, so far those with conflicts can't meet on Monday. Cliff > My thanks to those of you who expressed interest in this working group. Others are most welcome to join the group. > > I… [more]
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My thanks to those of you who expressed interest in this working group. Others are most welcome to join the group. I hope to have a quick Zoom meeting next week. The spread of time zones (Europe to Australia) is an issue. Rather than do a Doodle Poll, please simply respond to this email with an indication whether you could participate in a brief (30 minutes?) meeting during one of the following times, and if you can, please specify the time range that will work for you: Monday March 28 betwee… [more]
Please join us on *Wednesday March 30th at 12:00-3:00 PM Eastern* for… *Seafloor Fiber Optic Sensing* *Organized by the DAS RCN Marine Geophysics Working Group & IRIS* *Moderated by Nate Lindsey and Meagan Wengrove* *Presenters: Léa Bouffaut, Ethan Williams, William Wilcock, Han Xiao, Pierre Martz, Mikael Mazur* *Register*: https://zoom.us/webinar/register/WN_brOwlv2XRjO2jpVkgKw0Tw Recently developed photonic measurement techniques, including optical phase interferometry, Distributed Acoust… [more]
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From: Peter Smeallie <smeallie@armarocks.org> Date: Thursday, March 17, 2022 at 6:33 AM To: Herb Wang <hfwang@wisc.edu> Subject: Workshop on Distributed Fiber Optic Sensing Colleagues: Please plan to attend the Workshop on “Distributed Fiber Optic Sensing in Geomechanical Applications” immediately preceding the 56th US Rock Mechanics / Geomechanics Symposium in Santa Fe, New Mexico. The workshop will be an in-person event on 26 June 2022. As you will see from the attached synopsis of the t… [more]
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Hello DAS RCN Community and Interested Users of DAS, The Research Coordinating Network for Applications in Earth Science and Engineering (https://www.iris.edu/hq/initiatives/das_rcn<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.google.com%2Furl%3Fq%3Dhttps%3A%2F%2Fwww.iris.edu%2Fhq%2Finitiatives%2Fdas_rcn%26sa%3DD%26source%3Deditors%26ust%3D1646938925429801%26usg%3DAOvVaw2pEytKp1nOFp1z-pOCAu39&data=04%7C01%7Cstyler%40unr.edu%7C43f396bb651244b0b0f708da02c137cc%7C523b4bf… [more]
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kasey.aderhold@iris.edu
2022-03-08 15:44:55
Hello DAS Mailing List, Steering Committee Members, and Working Group leads, We held the first public DAS RCN Community Forum on February 10th and the recording is now posted under the Events tab of the DAS RCN website: https://www.iris.edu/hq/initiatives/das_rcn. We apologize for any technical difficulties encountered with registering for or attending this event and will attempt to iron out the wrinkles before our next public call. We will hold a DAS RCN Steering Committee call (includes wor… [more]
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Cliff Thurber
2022-03-08 13:01:05
In preparation for Thursday’s DAS RCN meeting, I am hoping to gather some information on community interest and involvement in Earthquake and Array Seismology with DAS. If you are interested in this working group, I would appreciate receiving relevant information from you on the following: Areas of interest Active projects Publications Existing DAS data sets Thanks very much. Cliff Thurber Earthquake and Array Seismology working group leader
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>From Nov 1-5, 2021, a community test of distributed acoustic sensing was conducted on the two cables of the the Ocean Observatories Initiative Regional Cabled Array extending from Pacific City, Oregon. The data from this experiment is now available. Further details of the experiment including links to the data and more information about the experiments can be found at. https://oceanobservatories.org/pi-instrument/rapid-a-community-test-of-distributed-acoustic-sensing-on-the-ocean-observatori… [more]
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