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A GIS-based framework for real-time debris-flow hazard assessment for expressways in Korea

  • A GIS-based framework for real-time debris-flow hazard assessment for expressways in Korea
  • Kim, Han-Saem; Chung, Choong-Ki; Kim, Sang-Rae; Kim, Kyung-Suk
  • [London, U.K.] : Springer Open
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Title A GIS-based framework for real-time debris-flow hazard assessment for expressways in Korea
Author Kim, Han-Saem; Chung, Choong-Ki; Kim, Sang-Rae; Kim, Kyung-Suk
Publisher [London, U.K.] : Springer Open
Publication Date 2016 - 09
Material Type Article
Country South Korea Holding Springer Open
Language English License
Pages 19

Abstract

Debris flows caused by heavy rainfall in mountain areas near expressways lead to severe social and economic losses and sometimes result in casualties. Therefore, the development of a real-time system for debris-flow hazard assessment is necessary to provide preliminary information for rapid decision making about evacuations or restoration measures, as well as to prevent secondary disasters caused by debris flows. Recently, various map-based approaches have been proposed using multi-attribute criteria and assessment methods for debris-flow susceptibilities. For the macrozonation of debris-flow hazard at a national scale, a simplified method such as the Korea Expressway Corporation (KEC) debris-flow hazard assessment method can be applied for systematic analysis based on geographic information systems (GIS) and monitoring networks. In this study, a GIS-based framework of real-time debris-flow hazard assessment for expressway sections is proposed based on the KEC debris-flow hazard assessment method. (The rest omitted)

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