한국환경보건학회지 (Journal of Environmental Health Sciences)

  • 제31권1호
  • /
  • Pages.1-6
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  • 2005
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  • 1738-4087(pISSN)
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  • 2233-8616(eISSN)
한국환경보건학회 (Korean Society of Environmental Health)
권호 표지

남천에서의 강우시 비점오염물질의 유출특성

Runoff Characteristics of Non-point Source According to Rainfall in Nam Watershed

  • Jang, Seong-Ho (Department of Environmental Engineering, Miryang National University) ;
  • Park, Jin-Sick (Department of Health & Environmental, Kyungwoon University)
  • 발행 : 2005.03.01
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초록

This study was conducted to identify the runoff characteristics of non-point source according to rainfall in Nam watershed. Land-uses of the Nam watershed were surveyed paddy field 4.5%, crop field 6.8%, mountainous 78.7%, urban 2.4%, and etc. 7.7%. Mean runoff coefficients in each area were observed Ⅰ area 0.08, Ⅱ area 0.08, and Ⅲ area 0.05. In the relationship between the rainfall and peak-flow, correlation coefficients(r) were investigated Ⅰ area -0.8609, Ⅱ area 0.6035, and Ⅲ area -0.4913. In the relationship between the antecedent dry period and first flow runoff, correlation coefficients(r) were investigated Ⅰ area -0.9093, Ⅱ area -0.1039, and Ⅲ area -0.7317. The discharge of pollutant concentrations relates to the flow rate of storm-water. In the relationship between the rainfall and watershed loading, exponent values of BOD, COD, SS, and T-N were estimated to 1.2751, 1.2003, 1.3744, and 1.1262, respectively.

키워드

참고문헌

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