ABSTRACT

Floods disrupt peoples’ lives and livelihoods worldwide and are one of the most common and severe natural hazards. The effects of flooding are devastating, especially in lower-income countries where the infrastructure, such as drainage and flood control systems, tends to be less developed or even un-existing. Flood vulnerability has the potential to support decision-makers in planning better measures to adapt to and mitigate the negative impacts of flooding. Assessing vulnerability to floods is often complicated because it involves many factors, sectors, and aspects. As a result, methods that simplify and improve flood vulnerability assessment are essential. Various approaches such as vulnerability curves, disaster loss data, computer modeling, and indicator-based methods have been investigated and well-accepted for assessing flood vulnerability. Reviewing these methods and contrasting their advantages and disadvantages is the goal of this study. After considering the methods comprehensively, the indicator-based approach provides a clearer picture of the overall flood vulnerability in each area. This study also provides a general and simple introduction to the indicator-based method to promote a better understanding of this method.