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Debris dispersal modeling for the great Sumatra Tsunamis on Banda Aceh and surrounding waters

Author

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  • Gegar Prasetya
  • Kerry Black
  • Willem de Lange
  • Jose Borrero
  • Terry Healy

Abstract

The Great Sumatra Tsunami on 26 December 2004 generated large amounts of debris and waste throughout the affected coastal region in the Indian Ocean. In Banda Aceh—Indonesia, the tsunami flows were observed carrying a thick muddy sludge that mixed with all kinds of debris from the destroyed buildings, bridges and culverts, vehicles, fallen trees, and other flotsam. This waste and debris was mostly deposited inland, but traveled both onshore and offshore. Numerical dispersal modeling is carried out to simulate the transport of debris and waste produced by the tsunamis during the event. The model solves the Lagrangian form of the transport/dispersion equations using novel particle tracking techniques. Model results show that understanding the pathway and distribution of the suspended materials and flotsam caused by tsunamis is important for a proper hazards mitigation plan and waste management action, and to minimize serious long-term adverse environmental and natural resources consequences. Copyright Springer Science+Business Media B.V. 2012

Suggested Citation

  • Gegar Prasetya & Kerry Black & Willem de Lange & Jose Borrero & Terry Healy, 2012. "Debris dispersal modeling for the great Sumatra Tsunamis on Banda Aceh and surrounding waters," 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. 60(3), pages 1167-1188, February.
    • Handle: RePEc:spr:nathaz:v:60:y:2012:i:3:p:1167-1188
    DOI: 10.1007/s11069-011-9903-8
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    Cited by:

    1. Budianto Ontowirjo & Raphaël Paris & Akira Mano, 2013. "Modeling of coastal erosion and sediment deposition during the 2004 Indian Ocean tsunami in Lhok Nga, Sumatra, Indonesia," 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. 65(3), pages 1967-1979, February.

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