[1] Ren L, Jiang T, Jia Z G et al. Pipeline corrosion and leakage monitoring based on the distributed optical fiber sensing technology[J]. Measurement, 122, 57-65(2018).

[2] European Gas Pipeline Incident Data Group. 10th report of the European Gas Pipeline Incident Data Group[R/OL]. https://www.egig.eu/reports

[3] Geiger G, Vogt D, Tetzner R. State-of-the-art in leak detection and localization[J]. Oil Gas European Magazine, 32, 193-198(2006).

[4] Stajanca P, Chruscicki S, Homann T et al. Detection of leak-induced pipeline vibrations using fiber-optic distributed acoustic sensing[J]. Sensors, 18, 2841(2018).

[5] Feng X, Han Y, Wang Z H et al. Structural performance monitoring of buried pipelines using distributed fiber optic sensors[J]. Journal of Civil Structural Health Monitoring, 8, 509-516(2018).

[6] Huang C, Peng F, Liu K. Pipeline inspection gauge positioning system based on optical fiber distributed acoustic sensing[J]. IEEE Sensors Journal, 21, 25716-25722(2021).

[7] Liang W, Zhang L B, Xu Q Q et al. Gas pipeline leakage detection based on acoustic technology[J]. Engineering Failure Analysis, 31, 1-7(2013).

[8] Liu Z W, Shang Y, Wang C et al. Pipeline leakage monitoring technology of distributed optical fiber vibration based on multi-dimensional spatial data fusion algorithm[J]. Laser & Optoelectronics Progress, 60, 0928002(2023).

[9] Cao Z M, Hu B, Li Z N et al. Research status of acoustic wave identification and location methods for gas pipeline leakage[J]. Nondestructive Testing, 45, 49-57(2023).

[10] Chen Z, Zhang C C, Shi B et al. Detecting gas pipeline leaks in sandy soil with fiber-optic distributed acoustic sensing[J]. Tunnelling and Underground Space Technology, 141, 105367(2023).

[11] Li D H, Zhang G R, Ding Y et al. New technology of fiber leakage monitoring in long-distance water transfer channels in alpine and cold regions[J]. Chinese Journal of Geotechnical Engineering, 42, 83-87(2020).

[12] Zuo J C, Zhang Y, Xu H X et al. Pipeline leak detection technology based on distributed optical fiber acoustic sensing system[J]. IEEE Access, 8, 30789-30796(2020).

[13] Muggleton J M, Hunt R, Rustighi E et al. Gas pipeline leak noise measurements using optical fibre distributed acoustic sensing[J]. Journal of Natural Gas Science and Engineering, 78, 103293(2020).

[14] Xiao R, Hu Q F, Li J. Experimental investigation on vibro-acoustic techniques to detect and locate leakages in gas pipelines[J]. Measurement Science and Technology, 32, 114004(2021).

[15] Zhang J, Lian Z H, Zhou Z M et al. Leakage detection in a buried gas pipeline based on distributed optical fiber time-domain acoustic wave signal[J]. Engineering Failure Analysis, 141, 106594(2022).

[16] Duan Y X, Liang L, Tong X L et al. Application of pipeline leakage detection based on distributed optical fiber acoustic sensor system and convolutional neural network[J]. Journal of Physics D: Applied Physics, 57, 105102(2024).

[17] Yin J, Li Z W, Liu Y et al. Toward establishing a multiparameter approach for monitoring pipeline geohazards via accompanying telecommunications dark fiber[J]. Optical Fiber Technology, 68, 102765(2022).

[18] Cai H W, Ye Q, Wang Z Y et al. Distributed optical fiber acoustic sensing technology based on coherent Rayleigh scattering[J]. Laser & Optoelectronics Progress, 57, 050001(2020).

[19] Li H, Fan C Z, Xiao X P et al. Research progress in scattering enhanced microstructured fiber and its distributed sensing technology[J]. Acta Optica Sinica, 44, 0106008(2024).

[20] Fu S C, Zhang D, Peng Y et al. A simulation of gas pipeline leakage monitoring based on distributed acoustic sensing[J]. Measurement Science and Technology, 33, 095108(2022).

[21] Zhang X P, Zhang Y X, Wang L et al. Current status and future of research and applications for distributed fiber optic sensing technology[J]. Acta Optica Sinica, 44, 0106001(2024).

[22] Fernández-Ruiz M R, Costa L, Martins H F. Distributed acoustic sensing using chirped-pulse phase-sensitive OTDR technology[J]. Sensors, 19, 4368(2019).

[23] Li S Y, Wen Y M, Li P et al. Leak location in gas pipelines using cross-time-frequency spectrum of leakage-induced acoustic vibrations[J]. Journal of Sound and Vibration, 333, 3889-3903(2014).

[24] Weston D E. The theory of the propagation of plane sound waves in tubes[J]. Proceedings of the Physical Society B, 66, 695-709(1953).

[25] Oelze M L, O’Brien W D, Darmody R G. Measurement of attenuation and speed of sound in soils[J]. Soil Science Society of America Journal, 66, 788-796(2002).

[26] Wang K M, Lu L Y, Liu Q H et al. Review on the research of earth’s attenuation based on the ambient seismic noise cross-correlation function[J]. Progress in Geophysics, 33, 112-124(2018).