Articles | Volume 18, issue 2
https://doi.org/10.5194/tc-18-837-2024
https://doi.org/10.5194/tc-18-837-2024
Research article
 | 
21 Feb 2024
Research article |  | 21 Feb 2024

Ice plate deformation and cracking revealed by an in situ-distributed acoustic sensing array

Jun Xie, Xiangfang Zeng, Chao Liang, Sidao Ni, Risheng Chu, Feng Bao, Rongbing Lin, Benxin Chi, and Hao Lv

Related subject area

Discipline: Ice sheets | Subject: Field Studies
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Cited articles

Aster, R. C. and Winberry, J. P.: Glacial seismology, Rep. Prog. Phys., 80, 126801, https://doi.org/10.1088/1361-6633/aa8473, 2017. 
Booth, A. D., Christoffersen, P., Schoonman, C., Clarke, A., Hubbard, B., Law, R., Doyle, S. H., Chudley, T. R., and Chalari, A.: Distributed Acoustic Sensing of Seismic Properties in a Borehole Drilled on a Fast-Flowing Greenlandic Outlet Glacier, Geophys. Res. Lett., 47, e2020GL088148, https://doi.org/10.1029/2020GL088148, 2020. 
Brisbourne, A. M., Kendall, M., Kufner, S.-K., Hudson, T. S., and Smith, A. M.: Downhole distributed acoustic seismic profiling at Skytrain Ice Rise, West Antarctica, The Cryosphere, 15, 3443–3458, https://doi.org/10.5194/tc-15-3443-2021, 2021. 
Castongia, E., Wang, H. F., Lord, N., Fratta, D., Mondanos, M., and Chalari, A.: An Experimental Investigation of Distributed Acoustic Sensing (DAS) on Lake Ice, J. Environ. Eng. Geophys., 22, 167–176, https://doi.org/10.2113/JEEG22.2.167, 2017. 
Chen, Z., Bromirski, P. D., Gerstoft, P., Stephen, R. A., Wiens, D. A., Aster, R. C., and Nyblade, A. A.: Ocean-excited plate waves in the Ross and Pine Island Glacier ice shelves, J. Glaciol., 64, 730–744, https://doi.org/10.1017/jog.2018.66, 2018. 
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Short summary
Seismology can help study the mechanism of disintegration of floating ice plates. We conduct a seismic experiment on a frozen lake using a distributed acoustic sensing array. Icequakes and low-frequency events are detected with an artificial intelligence method. Our study demonstrates the merit of distributed acoustic sensing array in illuminating the internal failure process and properties of the ice shelf, which eventually contributes to the understanding and prediction of ice shelf collapse.