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단보 : 효율적 하천구역관리를 위한 고해상 영상의 활용 방안 연구
박현철 ( Hyeon Cheol Pak ),김형섭 ( Hyoung Sub Kim ),조윤원 ( Yun Won Jo ),조명희 ( Myung Hee Jo ) 대한원격탐사학회 2008 대한원격탐사학회지 Vol.24 No.2
The river management in Korea had been focused on line based 2D spatial data for the developing river management application system. In this study, the polygon based 3D spatial data such as aerial photos and satellite images were selected and used through comparing their resolution levels for the river environment management. In addition, 1m detailed DEM (Digital Elevation Model) was constructed to implement the real topography information around river so that the damage area scale could be extracted for flood disaster. Also, the social environment thematic maps such as a cadastral map or land cover map could be used to verify the real damage area scale by overlay analysis on aerial photos or satellite images. The construction of these spatial data makes possible to present the real surface information and extract quantitative analysis to support the scientific decision making for establishing the river management policy. For the further study, the lidar surveying data will be considered as the very useful data by offering the real height information of riverbed as the depth of river so that flood simulation can give more reality.
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ScienceON
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