Validating a Tsunami Vulnerability Assessment Model (the PTVA Model) Using Field Data from the 2004 Indian Ocean Tsunami |
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| Authors: | Dale Dominey-Howes Maria Papathoma |
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| Institution: | (1) Department of Physical Geography, Risk Frontiers, Macquarie University, Sydney, New South Wales, 2109, Australia;(2) Department of Photogrammetry and Remote Sensing, University of Technology, Gusshausstrasse 27-29 1040, Vienna, Austria |
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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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| Keywords: | tsunami vulnerability assessment model validation Maldives |
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