Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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A Study on Making Map of Flood Using Digital Elevation Model (DEM)

수치표고모형 (DEM)을 이용한 침수재해 지도작성에 관한 연구

  • Lim, Hyun Taek (Department of Regional Infrastructure Engineering, Kangwon National University) ;
  • Kim, Jae Hwi (Department of Regional Infrastructure Engineering, Kangwon National University) ;
  • Lee, Hak Beom (Department of Regional Infrastructure Engineering, Kangwon National University) ;
  • Park, Sung Yong (National Disaster Management Research Institute, Ministry of Public Safety and Security) ;
  • Kim, Yong Seong (Department of Regional Infrastructure Engineering, Kangwon National University)
  • Received : 2017.02.23
  • Accepted : 2017.03.06
  • Published : 2017.03.31
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Abstract

Recent floodplain data are important for river master plan, storm and flood damage reduction comprehensive plan and pre-disaster impact assessment. Hazard map, base of floodplain data, is being emphasized as important method of non-structural flood prevention and consist of inundation trace map, inundation expected map and hazard information map. Inundation trace map describes distribution of area that damaged from typhoons, heavy rain and tsunamis and includes identified flood level, flood depth and flood time from flooding area. However due to lack of these data by local government, which are foundational and supposed to be well prepared nationwide, having hard time for making inundation trace map or hazard information map. To overcome this problem, time consumption and budget reduction is required through various research. From this study, DEM (Digital Elevation Model) from image material from UAVS (Unmanned Aerial Vehicle System) and numeric geographic map from National Geographic Information Institute are used for calculating flooding damaged area and compared with inundation trace map. As results, inundation trace map DEM based on image material from UAVS had better accuracy than that used DEM based on numeric geographic map. And making hazard map could be easier and more accurate by utilizing image material from UAVS than before.

Keywords

References

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