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Validating a Tsunami Vulnerability Assessment Model (the PTVA Model) Using Field Data from the 2004 Indian Ocean Tsunami

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Abstract

The “PTVAM” tsunami vulnerability assessment model [Papathoma and Dominey-Howes: 2003, Nat. Hazards Earth Syst. Sci. 3, 733–744; Papathoma et al.: 2003, Nat. Hazards Earth Syst. Sci. 3, 377–389], like all models, requires validation. We use the results from post-tsunami surveys in the Maldives following the December 26, 2004 Indian Ocean tsunami to ‘evaluate’ the appropriateness of the PTVAM attributes to understanding spatial and temporal vulnerability to tsunami damage and loss. We find that some of the PTVAM attributes are significantly important and others moderately important to understanding and assessing vulnerability. Some attributes require further investigation. Based upon the ground-truth data, we make several modifications to the model framework and propose a revised version of the PTVAM (PTVAM 2).

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Authors and Affiliations

  1. Department of Physical Geography, Risk Frontiers, Macquarie University, Sydney, New South Wales, 2109, Australia

    Dale Dominey-Howes

  2. Department of Photogrammetry and Remote Sensing, University of Technology, Gusshausstrasse 27-29 1040, Vienna, Austria

    Maria Papathoma

Authors
  1. Dale Dominey-Howes
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  2. Maria Papathoma
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Correspondence to Dale Dominey-Howes.

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Dominey-Howes, D., Papathoma, M. Validating a Tsunami Vulnerability Assessment Model (the PTVA Model) Using Field Data from the 2004 Indian Ocean Tsunami. Nat Hazards 40, 113–136 (2007). https://doi.org/10.1007/s11069-006-0007-9

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  • DOI: https://doi.org/10.1007/s11069-006-0007-9

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