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A multi-sensor-based distributed real-time measurement system for glacier deformation

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Abstract

Glacier disasters occur frequently in alpine regions around the world, but the current conventional geological disaster measurement technology cannot be directly used for glacier disaster measurement. Hence, in this study, a distributed multi-sensor measurement system for glacier deformation was established by integrating piezoelectric sensing, coded sensing, attitude sensing technology and wireless communication technology. The traditional Modbus protocol was optimized to solve the problem of data identification confusion of different acquisition nodes. Through indoor wireless transmission, adaptive performance analysis, error measurement experiment and landslide simulation experiment, the performance of the measurement system was analyzed and evaluated. Using unmanned aerial vehicle technology, the reliability and effectiveness of the measurement system were verified on the site of Galongla glacier in southeastern Tibet, China. The results show that the mean absolute percentage errors were only 1.13% and 2.09% for the displacement and temperature, respectively. The distributed glacier deformation real-time measurement system provides a new means for the assessment of the development process of glacier disasters and disaster prevention and mitigation.

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Availability of Data/Materials: The datasets generated during this study are available from the corresponding author upon reasonable request and within the framework of cooperation agreements and scientific research projects.

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Acknowledgments

This research was funded by National Key R&D Program of China ((Nos. 2022YFC3003403 and 2018YFC1505203), Key Research and Development Program of Tibet Autonomous Region (XZ202301ZY0039G), Natural Science Foundation of Hebei Province (No. F2021201031), and Geological Survey Project of China Geological Survey (No. DD20221747).

The authors are grateful to Dongchuan Debris Flow Observation and Research Station, Chinese Academy of Sciences and Bomi Geological Disaster Observation and Research Station, Chinese Academy of Sciences for providing good working conditions.

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Authors and Affiliations

Authors

Contributions

DONG Han-chuan: Investigation, Methodology, Formal analysis, Writing-original draft. LIU Shuang: Methodology, Conceptualization, Funding. PANG Lili: Data curation, Visualization, Writing-review & editing. TAO Zhi-gang: Supervision. FANG Li-de: Funding, Conceptualization. ZHANG Zhong-hua: Funding, Conceptualization. LI Xiao-ting: Funding, Conceptualization.

Corresponding authors

Correspondence to Li-li Pang or Li-de Fang.

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Conflict of Interest: The authors declare no conflict of interest.

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Dong, Hc., Liu, S., Pang, Ll. et al. A multi-sensor-based distributed real-time measurement system for glacier deformation. J. Mt. Sci. 20, 2913–2927 (2023). https://doi.org/10.1007/s11629-023-8135-1

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  • DOI: https://doi.org/10.1007/s11629-023-8135-1

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