Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Estimation of Soil Loss by Land Use in the Geum River Basin using RUSLE Model

RUSLE 모델을 이용한 금강 유역의 토지 이용별 토사유출량 추정

  • Park, Jisang (Research Institute of Industry and Techology, Hannam University) ;
  • Kim, Geonha (Department of Civil and Environmental Engineering, Hannam University)
  • 박지상 (한남대학교 산업기술연구소) ;
  • 김건하 (한남대학교 공과대학 토목환경공학과)
  • Received : 2006.02.03
  • Accepted : 2006.04.17
  • Published : 2006.07.30
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Abstract

Amount of soil loss is important information for the proper water quality management, In this research, annual average soil loss of the Geum River basin was estimated using RUSLE (Revised Universal Soil Loss Equation) and GIS (Geographic Information System). Input data were manipulated using ArcGIS ver. 8.3. From crop field which constitute 8.2% of the Geum River Basin, annual average soil loss was estimated as 53.6 ton/ha/year. From the rice paddy field which constitutes 20% of the Geum River Basin, soil loss was estimated as 33.5 ton/ha/year, In comparison, forestry area which constitutes 61.8% of the basin discharged 2.8 ton/ha/year, It could be known from this research that appropriate measures should be implemented to prevent excessive soil loss from the agricultural areas.

Keywords

References

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