International Research Trend on Mountainous Sediment-related Disasters Induced by Earthquakes

지진 유발 산지토사재해 관련 국외 연구동향 분석

  • Lee, Sang-In (Department of Forest Resources, Kongju National University) ;
  • Seo, Jung-Il (Department of Forest Resources, Kongju National University) ;
  • Kim, Jin-Hak (Department of Forest Resources, Kongju National University) ;
  • Ryu, Dong-Seop (Department of Forest Resources, Kongju National University) ;
  • Seo, Jun-Pyo (Division of Forest Disaster Management, National Institute of Forest Science) ;
  • Kim, Dong-Yeob (Division of Forest Disaster Management, National Institute of Forest Science) ;
  • Lee, Chang-Woo (Division of Forest Disaster Management, National Institute of Forest Science)
  • 이상인 (공주대학교 산림자원학과) ;
  • 서정일 (공주대학교 산림자원학과) ;
  • 김진학 (공주대학교 산림자원학과) ;
  • 유동섭 (공주대학교 산림자원학과) ;
  • 서준표 (국립산림과학원 산림방재연구과) ;
  • 김동엽 (국립산림과학원 산림방재연구과) ;
  • 이창우 (국립산림과학원 산림방재연구과)
  • Received : 2017.11.22
  • Accepted : 2017.12.07
  • Published : 2017.12.31


The 2016 Gyeongju Earthquake ($M_L$ 5.8) (occurred on September 12, 2016) and the 2017 Pohang Earthquake ($M_L$ 5.4) (occurred on November 15, 2017) caused unprecedented damages in South Korea. It is necessary to establish basic data related to earthquake-induced mountainous sediment-related disasters over worldwide. In this study, we analyzed previous international studies on the earthquake-induced mountainous sediment-related disasters, then classified research areas according to research themes using text-mining and co-word analysis in VOSviewer program, and finally examined spatio-temporal research trends by research area. The result showed that the related-researches have been rapidly increased since 2005, which seems to be affected by recent large-scale earthquakes occurred in China, Taiwan and Japan. In addition, the research area related to mountainous sediment-related disasters induced by earthquakes was classified into four subjects: (i) mechanisms of disaster occurrence; (ii) rainfall parameters controlling disaster occurrence; (iii) prediction of potential disaster area using aerial and satellite photographs; and (iv) disaster risk mapping through the modeling of disaster occurrence. These research areas are considered to have a strong correlation with each other. On the threshold year (i.e., 2012-2013), when cumulative number of research papers was reached 50% of total research papers published since 1987, proportions per unit year of all research areas should increase. Especially, the proportion of the research areas related to prediction of potential disaster area using aerial and satellite photographs is highly increased compared to other three research areas. These trends are responsible for the rapidly increasing research papers with study sites in China, and the research papers examined in Taiwan, Japan, and the United States have also contributed to increases in all research areas. The results are could be used as basic data to present future research direction related to mountainous sediment-related disasters induced by earthquakes in South Korea.


Grant : 맞춤형 산지토사재해 피해저감 기술 개발 - 땅밀림, 지진, 도시생활권 토사재해를 중심으로 -

Supported by : 국립산림과학원


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