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A Statistical Analysis of the Relationship among Frequency, Intensity, and Damage of Natural Hazard

  • Crisisonomy
  • Abbr : KRCEM
  • 2018, 14(3), pp.149-156
  • DOI : 10.14251/crisisonomy.2018.14.3.149
  • Publisher : Crisis and Emergency Management: Theory and Praxis
  • Research Area : Social Science > Public Policy > Public Policy in general
  • Received : September 14, 2017
  • Accepted : February 21, 2018
  • Published : March 31, 2018

Yeon, Ho-Jae 1 Keun Chae Jeong 2

1충북대학교 토목시스템공학과
2충북대학교

Accredited

ABSTRACT

Korea suffers heavy damage every year due to natural disasters such as heavy rain, typhoon, heavy snow, strong wind and storm. In addition, an astronomical amount of money is being spent on recovering the damages. In order to identify the factors affecting the damage caused by natural disasters, this study analyzed the relationship among the size of damage, intensity (strength), and frequency (the number of occurrences) of natural disasters in Korea. Results show a nonlinear proportional relationship between the damage size and the intensity and frequency of natural disasters. Specifically, intensity has a greater impact than frequency for heavy rain, typhoon, strong wind and storm, while frequency has a greater impact than intensity for heavy snow. The findings from this study should help decision makers in the field of disaster management to establish a more efficient and effective disaster mitigation policy which reflects the characteristics of each disaster including damage size, intensity and frequency.

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