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Construction and application of debris flow infrasound real-time monitoring and warning visualization platform

Author

Listed:
  • Dunlong Liu

    (Chengdu University of Information and Technology
    Software Engineering Technology Research Support Center of Informatization Application of Sichuan)

  • Qian Wu

    (Sichuan Institute of Geological Engineering Investigation Group Co. Ltd)

  • Hanchuan Dong

    (Technology Innovation Center for Geological Environment Monitoring, MNR
    Center for Hydrogeology and Environmental Geology Survey, CGS)

  • Xiaopeng Leng

    (Chengdu University of Technology)

  • Lei He

    (Chengdu University of Information and Technology
    Software Engineering Technology Research Support Center of Informatization Application of Sichuan)

  • Yan Gao

    (Chengdu University of Information and Technology
    Software Engineering Technology Research Support Center of Informatization Application of Sichuan)

Abstract

Infrasonic wave has been widely used in debris flow monitoring and early warning because of its unique properties such as strong penetration, low energy attenuation and its propagation speed far greater than that of debris flow. However, the existing relevant researches only focus on the characteristic analysis of debris flow infrasound itself and its simple application, and have not formed a reliable, practical and integrated comprehensive service platform. To solve this problem, based on the developed identification model of debris flow infrasound signal and location model of debris flow infrasound source, this research developed and constructed a visualization platform for real-time monitoring and early warning of debris flow infrasound by deploying infrasound sensors in areas prone to debris flow and by means of Internet of Things, database, GIS, etc. The multi-functional integrated services of real-time automatic acquisition, remote transmission, receiving and parsing, storage, signal identification, wave source location and tracking and visual display of debris flow infrasound signal are realized. The reliability and effectiveness of the platform were verified by long-term on-site debris flow monitoring in Jiangjia Gully, Dongchuan, Yunnan province. The field application results show that the platform has high accuracy in identification of debris flow infrasound signal and location of infrasound source. The calculation results of the platform can provide the government and residents with more effective and practical early-warning information of debris flow, and make appropriate disaster reduction measures in advance to reduce the loss of life and property caused by debris flow disasters.

Suggested Citation

  • Dunlong Liu & Qian Wu & Hanchuan Dong & Xiaopeng Leng & Lei He & Yan Gao, 2022. "Construction and application of debris flow infrasound real-time monitoring and warning visualization platform," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 112(1), pages 521-543, May.
    • Handle: RePEc:spr:nathaz:v:112:y:2022:i:1:d:10.1007_s11069-021-05192-9
    DOI: 10.1007/s11069-021-05192-9
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    References listed on IDEAS

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    1. Arnold Kogelnig & Johannes Hübl & Emma Suriñach & Ignasi Vilajosana & Brian McArdell, 2014. "Infrasound produced by debris flow: propagation and frequency content evolution," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 70(3), pages 1713-1733, February.
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