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Tsunami vulnerability assessment mapping for the west coast of Peninsula Malaysia using geographical information system (GIS) technique

Remali, Najihah and Daud, Mohd Effendi and Md Arus, Hairunnisa (2013) Tsunami vulnerability assessment mapping for the west coast of Peninsula Malaysia using geographical information system (GIS) technique. In: Seminar Hasil Penyelidikan Sektor Pengajian Tinggi Kementerian Pendidikan 2013, 2-3 July 2013, Universiti Utara Malaysia, Kedah.

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Abstract

The catastrophic Indian Ocean tsunami of 26 December 2004 raised a number of questions for scientist and politicians on how to deal with the tsunami risk and assessment in coastal regions. This paper discusses the challenges in tsunami vulnerability assessment and presents the result of tsunami disaster mapping and vulnerability assessment study for West Coast of Peninsula Malaysia. The spatial analysis was carried out using Geographical Information System (GIS) technology to demarcate spatially the tsunami affected village's boundary and suitable disaster management program can be quickly and easily developed. In combination with other thematic maps such as road maps, rail maps, school maps, and topposheets it was possible to plan the accessibility and shelter to the affected people. The tsunami vulnerability map was used to identify the vulnerability of villages/village population to tsunami. In the tsunami vulnerability map, the intensity of tsunami was classified as hazard zones based on the inundation level in meter (contour). The approach to produced tsunami vulnerability assessment map consists of considering scenarios of plausible extreme, tsunami-generating events, computing the tsunami inundation levels caused by different events and scenarios and estimating the possible range of casualties for computed inundation levels. The study provides an interactive means to identify the tsunami affected areas after the disaster and mapping the tsunami vulnerable village before for planning purpose were the essential exercises for managing future disasters.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: geographical information system (GIS); risk assessment
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
G Geography. Anthropology. Recreation > GB Physical geography
Divisions: Faculty of Civil and Environmental Engineering > Department of Infrastructure and Geomatic Engineering
Depositing User: Normajihan Abd. Rahman
Date Deposited: 09 Sep 2013 07:00
Last Modified: 21 Jan 2015 07:04
URI: http://eprints.uthm.edu.my/id/eprint/4132
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