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Improved Process Management of Glacial Lake Outburst Flood Hazards by Integrating Modular Monitoring, Assessment, and Simulation

Author

Listed:
  • Xiang Wang

    (Chengdu University of Technology)

  • Guo Chen

    (Chengdu University of Technology
    Chengdu University of Technology)

  • Xiaoai Dai

    (Chengdu University of Technology)

  • Jingjing Zhao

    (Chengdu University of Technology)

  • Xian Liu

    (Chengdu University of Technology)

  • Yu Gao

    (Chengdu University of Technology)

  • Junmin Zhang

    (Chengdu University of Technology)

  • Yongjun Chen

    (Central South University)

  • Xiaozhen Li

    (Chengdu University of Technology)

  • Wenyi Qin

    (Chengdu University of Technology)

  • Peng Wang

    (Chengdu University of Technology)

Abstract

Southwestern Tibet is one of the areas seriously affected by glacial lake outburst floods (GLOFs). In this study, a systematic GLOF hazard management process chain for moraine-dammed lakes was constructed by integrating remote sensing (RS), geomorphology investigations, geographic information systems (GIS), statistical methods, and hydrological models. The evolution of two moraine-dammed lakes and their mother glaciers across the region from 1976 to 2018 were investigated and the susceptibility of 74 moraine-dammed lakes outburst was evaluated. The actual and potential GLOF risks of former Cirenmaco Lake GLOF was modeled based on a single hydrological model. The monitoring results showed that two moraine-dammed lakes in southwestern Tibet, including Yanongco and Rongxiazangbu, were continuing to expand and were at risk of GLOF. The parameters used for assessing GLOF risk were filtered through a grey correlation model with a modeling accuracy of 84%. The FLO-2D hydrological model was adopted to simulate GLOF hazards of a moraine-dammed lake in Southwest Tibet for the first time. Results showed that the modeled errors of fluid depth and velocity were within 10%. The combined method proposed in this study could be potentially used to assess the status of the regional GLOF in Tibet and provides effective suggestions for local governments to prevent disasters and reduce damages of GLOF.

Suggested Citation

  • Xiang Wang & Guo Chen & Xiaoai Dai & Jingjing Zhao & Xian Liu & Yu Gao & Junmin Zhang & Yongjun Chen & Xiaozhen Li & Wenyi Qin & Peng Wang, 2022. "Improved Process Management of Glacial Lake Outburst Flood Hazards by Integrating Modular Monitoring, Assessment, and Simulation," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 36(7), pages 2343-2358, May.
    • Handle: RePEc:spr:waterr:v:36:y:2022:i:7:d:10.1007_s11269-022-03146-9
    DOI: 10.1007/s11269-022-03146-9
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    References listed on IDEAS

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    1. Rabindra Osti & Tara Bhattarai & Katsuhito Miyake, 2011. "Causes of catastrophic failure of Tam Pokhari moraine dam in the Mt. Everest region," 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. 58(3), pages 1209-1223, September.
    2. Guoxiong Zheng & Simon Keith Allen & Anming Bao & Juan Antonio Ballesteros-Cánovas & Matthias Huss & Guoqing Zhang & Junli Li & Ye Yuan & Liangliang Jiang & Tao Yu & Wenfeng Chen & Markus Stoffel, 2021. "Increasing risk of glacial lake outburst floods from future Third Pole deglaciation," Nature Climate Change, Nature, vol. 11(5), pages 411-417, May.
    3. Robin McKillop & John Clague, 2007. "A procedure for making objective preliminary assessments of outburst flood hazard from moraine-dammed lakes in southwestern British Columbia," 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. 41(1), pages 131-157, April.
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    Cited by:

    1. Karim Solaimani & Fatemeh Shokrian & Shadman Darvishi, 2023. "An Assessment of the Integrated Multi-Criteria and New Models Efficiency in Watershed Flood Mapping," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 37(1), pages 403-425, January.

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