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Sinkhole characterization in the Dead Sea area using airborne laser scanning

Author

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  • Sagi Filin
  • Amit Baruch
  • Yoav Avni
  • Shmuel Marco

Abstract

Since the early 1980s, the Dead Sea coast has undergone a near catastrophic land deterioration as a result of a rapid lake-level drop. One conspicuous expression of this deterioration is the formation of sinkholes fields that puncture the coastal plains. The evolution of sinkholes along nearly 70-km strip has brought to a halt the regional development in this well-known and toured area and destroyed existing infrastructures. Great efforts are being invested in understanding the phenomena and in development of monitoring techniques. We report in this paper the application of airborne laser scanning for characterization of sinkholes. We demonstrate first the appropriateness of laser scanning for this task and its ability to provide detailed 3D information on this phenomenon. We describe then an autonomous means for their extraction over large regions and with high level of accuracy. Extraction is followed by their detailed geometric characterization. Using this high-resolution data, we show how sinkholes of 0.5 m radius and 25 cm depth can be detected from airborne platforms as well as the geomorphic features surrounding them. These sinkhole measures account for their embryonic stage, allowing tracking them at an early phase of their creation. Copyright Springer Science+Business Media B.V. 2011

Suggested Citation

  • Sagi Filin & Amit Baruch & Yoav Avni & Shmuel Marco, 2011. "Sinkhole characterization in the Dead Sea area using airborne laser scanning," 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 1135-1154, September.
    • Handle: RePEc:spr:nathaz:v:58:y:2011:i:3:p:1135-1154
    DOI: 10.1007/s11069-011-9718-7
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    Cited by:

    1. Aihua Wei & Duo Li & Yahong Zhou & Qinghai Deng & Liangdong Yan, 2021. "A novel combination approach for karst collapse susceptibility assessment using the analytic hierarchy process, catastrophe, and entropy model," 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. 105(1), pages 405-430, January.
    2. Jie Zhou & Yiqun Tang & Ping Yang & Xiaohui Zhang & Nianqing Zhou & Jianxiu Wang, 2012. "Inference of creep mechanism in underground soil loss of karst conduits I. Conceptual model," 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. 62(3), pages 1191-1215, July.

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