Abstract
Regional demographic changes are important regional characteristics that need to be considered for the establishment of disaster prevention policies against climate change worldwide. In this study, we propose urban disaster prevention plans based on the classification and characterization of flood vulnerable areas reflecting demographic changes. Data on the property damage, casualties, and flooded area between 2009 and 2018 in 229 municipalities in South Korea were collected and analyzed, and 74 flood vulnerable areas were selected. The demographic change in the selected areas from 2000 to 2018 was examined through comparative analyses of the population size, rate of population change, and population change proportion by age group and gender. Flood vulnerable areas were categorized into three types through K-mean cluster analysis. Based on the analysis results, a strategic plan was proposed to provide information necessary for establishing regional flood-countermeasure policies.
Highlights
Floods are one of the most dangerous and destructive natural hazards that can cause human loss and economic damages [1,2,3]
To minimize the damage caused by natural hazards, policies, treaties, and conventions, including the Nations Framework Convention on Climate Change (1992), Kyoto Protocol (1997), Hyogo Framework (2005), Sendai Framework (2015) and Paris Agreement (2015), have been established
Differences in governance structures and processes, topography, weather patterns, and vulnerabilities will lead to difficulties in developing effective community flood risk management strategies [12,13]
Summary
Floods are one of the most dangerous and destructive natural hazards that can cause human loss and economic damages [1,2,3]. Climate change is expected to increase the frequency of flooding and the extent of damage caused by it [4,5,6]. To minimize the damage caused by natural hazards, policies, treaties, and conventions, including the Nations Framework Convention on Climate Change (1992), Kyoto Protocol (1997), Hyogo Framework (2005), Sendai Framework (2015) and Paris Agreement (2015), have been established. There are several studies on regional flood risk management globally, policies, practices, and approaches relevant to and effective in some countries may not be applicable to the rest. Differences in governance structures and processes, topography, weather patterns, and vulnerabilities will lead to difficulties in developing effective community flood risk management strategies [12,13]
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