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Comprehensive hazard assessment and protection of debris flows along Jinsha River close to the Wudongde dam site in China

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Listed:
  • Wen Zhang
  • Hui-Zhong Li
  • Jian-ping Chen
  • Chen Zhang
  • Li-ming Xu
  • Wei-feng Sang

Abstract

The occurrence of debris flows close to a hydropower dam not only threatens human lives and structures, but also affects the stability of the dam. Therefore, hazard assessment and protection of debris flows close to the dam are particular and important. In this paper, 3 S (Geographic Information System, Global Positioning System, and Remote Sensing) technologies are applied to determine the characteristics of debris flows. Characteristics that can affect debris flow assessment are classified and extracted. Based on the determined characteristics, the extension theory, which is used for solving incompatibility and contradiction problems, is applied to hazard assessment. In this paper, the idea of self-protection is proposed for debris flow gully protection. The prevention procedures are detailed, including filling of lower reaches and design of drainage works. Copyright Springer Science+Business Media B.V. 2011

Suggested Citation

  • Wen Zhang & Hui-Zhong Li & Jian-ping Chen & Chen Zhang & Li-ming Xu & Wei-feng Sang, 2011. "Comprehensive hazard assessment and protection of debris flows along Jinsha River close to the Wudongde dam site in China," 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(1), pages 459-477, July.
    • Handle: RePEc:spr:nathaz:v:58:y:2011:i:1:p:459-477
    DOI: 10.1007/s11069-010-9680-9
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    Citations

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    Cited by:

    1. Yanyan Li & Jianping Chen & Yanjun Shang, 2016. "An RVM-Based Model for Assessing the Failure Probability of Slopes along the Jinsha River, Close to the Wudongde Dam Site, China," Sustainability, MDPI, vol. 9(1), pages 1-15, December.
    2. Cencen Niu & Qing Wang & Jianping Chen & Wen Zhang & Liming Xu & Ke Wang, 2015. "Hazard Assessment of Debris Flows in the Reservoir Region of Wudongde Hydropower Station in China," Sustainability, MDPI, vol. 7(11), pages 1-20, November.
    3. Chen Cao & Peihua Xu & Jianping Chen & Lianjing Zheng & Cencen Niu, 2016. "Hazard Assessment of Debris-Flow along the Baicha River in Heshigten Banner, Inner Mongolia, China," IJERPH, MDPI, vol. 14(1), pages 1-19, December.
    4. Deqiang Cheng & Javed Iqbal & Chunliu Gao, 2023. "Debris Flow Gully Classification and Susceptibility Assessment Model Construction," Land, MDPI, vol. 12(3), pages 1-20, February.
    5. Wen Zhang & Qing Wang & Jianping Chen & Huizhong Li & Jinsheng Que & Yuanyuan Kong, 2015. "Grain-Size Analysis of Debris Flow Alluvial Fans in Panxi Area along Jinsha River, China," Sustainability, MDPI, vol. 7(11), pages 1-24, November.

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