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Landsat 영상과 DTM자료의 하천유역 해석에의 응용기법 개발
조성익 ( S. I. Cho ),박경윤 ( J. K. Park ),최규홍 ( K. H. Choi ),최원식 ( W. S. Choe ) 大韓遠隔探査學會 1986 大韓遠隔探査學會誌 Vol.2 No.2
The purpose of this study was to develop techniques acquiring hydrologic parameters that affect runoff conditions from Landsat imagery. Runoff conditions in a study area were analyzed by .employing the U.S. Soil Conservation Service(SCS) Method. SCS runoff curve numbers(CN) were estimated by the computer analysis of Landsat imagery and digital terrain model(DTM) data. The SCS Method requires land use/cover and soil conditions of the area as input parameters. A land use/cover map of 5 hydrological classes was produced from the Landsat multi-spectral scanner imagery. Slope-gradient and contour maps were also made using the DTM topographic data. Inundation areas depending on reservoir levels were able to be mapped on the Landsat scene by combining the contour data.