Watching the Cryosphere Thaw: Seismic Monitoring of Permafrost Degradation Using Distributed Acoustic Sensing During a Controlled Heating Experiment

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dc.citation.articleNumbere2021GL097195en_US
dc.citation.issueNumber10en_US
dc.citation.journalTitleGeophysical Research Lettersen_US
dc.citation.volumeNumber49en_US
dc.contributor.authorCheng, Fengen_US
dc.contributor.authorLindsey, Nathaniel J.en_US
dc.contributor.authorSobolevskaia, Valeriiaen_US
dc.contributor.authorDou, Shanen_US
dc.contributor.authorFreifeld, Barryen_US
dc.contributor.authorWood, Todden_US
dc.contributor.authorJames, Stephanie R.en_US
dc.contributor.authorWagner, Anna M.en_US
dc.contributor.authorAjo-Franklin, Jonathan B.en_US
dc.date.accessioned2022-07-06T18:09:15Zen_US
dc.date.available2022-07-06T18:09:15Zen_US
dc.date.issued2022en_US
dc.description.abstractPermafrost degradation is rapidly increasing in response to a warming Arctic climate, altering landscapes and damaging critical infrastructure. Solutions for monitoring permafrost thaw dynamics are essential to understand biogeochemical feedbacks as well as to issue warnings for hazardous geotechnical conditions. We investigate the feasibility of permafrost monitoring using permanently installed fiber-optic seismic networks. We conducted a 2-month seismic monitoring campaign during a controlled thaw experiment using a permanent surface orbital vibrator (SOV) and a 2D-array of distributed acoustic sensing (DAS) cables, and observed significant (15%) shear-wave velocity (Vs) reductions and approximately 2 m depression of the permafrost table beneath the heating zone. These observations were validated by time-lapse horizontal-to-vertical spectral ratio (HVSR) analysis from three co-located broadband seismometers. The combination of SOV and DAS provided unique seismic observations for permafrost monitoring at the field scale, as well as a basis for design and development of early warning systems for permafrost thaw.en_US
dc.identifier.citationCheng, Feng, Lindsey, Nathaniel J., Sobolevskaia, Valeriia, et al.. "Watching the Cryosphere Thaw: Seismic Monitoring of Permafrost Degradation Using Distributed Acoustic Sensing During a Controlled Heating Experiment." <i>Geophysical Research Letters,</i> 49, no. 10 (2022) Wiley: https://doi.org/10.1029/2021GL097195.en_US
dc.identifier.digitalWatchingCryosphereThawen_US
dc.identifier.doihttps://doi.org/10.1029/2021GL097195en_US
dc.identifier.urihttps://hdl.handle.net/1911/112677en_US
dc.language.isoengen_US
dc.publisherWileyen_US
dc.rightsThis is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.en_US
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/en_US
dc.titleWatching the Cryosphere Thaw: Seismic Monitoring of Permafrost Degradation Using Distributed Acoustic Sensing During a Controlled Heating Experimenten_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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