A Comparative Study of Vulnerability Weighting Index of Coastal Area from Storm Surges

Abstract

This is the studying of Vulnerability on Prachuap Khiri Khan coastal area which is affected by storm surges. By using the Field survey and secondary data, the study defines seven factors of coastal vulnerability index (CVI). Including, type of beach, beach slope, elevation, coastal structure, wave height (by the storm surge), population density, and land use. This study focused on the assessment of the factors that affect the coastal vulnerability from storm surges. The Multi-Criteria Analysis (MCA) Questionnaires was applied as a tool for this study and there are 3 groups of people answered these questionnaires, which are 1.The Coastal Engineering Specialists 2.The Government Officers 3.Local people. The results show that the most affected factors are the Socioeconomic factors; i.e. Population density (17.72%), land use (16.38%). The second are the Disaster factors; i.e. Wave heights of storm surge (15.65%) and the last one are the Physical factors; i.e. coastal structures (15.09%), beach slope (11.19%), and type of beach (10.95%).