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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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This study is to assess the reduction of non-point source pollution loads for rice straw surface covering of upland crop cultivation at a watershed scale. For Byulmi-cheon watershed (1.21 km2) located in the upstream of Gyeongancheon, the HSPF (Hydrological Simulation Program-Fortran), a physically based distributed hydrological model was applied. Before evaluation, the model was calibrated and validated using 9 rainfall events. The Nash-Sutcliffe model efficiency (NSE) for streamflow was 0.62～0.78 and the NSE for water quality (Sediment, T-N, and T-P) were 0.68, 0.60, and 0.58 respectively. From the field experiment of 16 rainfall events, the rice straw covering reduced surface runoff average 10 % compared to normal surface condition. By handling infiltration parameter (INFILT) in the model, the value of 16.0 mm/hr was found to reduce about 10 % reduction of surface runoff. For this condition, the reduction effect of Sediment, T-N, and T-P loads were 87.2, 28.5, and 85.1 % respectively. The rice straw surface covering was effective for removing surface runoff dependent loads such as Sediment and T-P.
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참고문헌 (12)
참고문헌 신청
Brun, S. E. / 2000 / Simulating runoff behavior in an urbanizing watershed / Computers, Environment and Urban Systems 24 : 5 ~ 22
Choi, J. D. / 2010 / A quantification study on the reduction effect of agricultural non-point source pollution in rural areas(1) / National Institute of Environmental Research
Choi, J. D. / 2011 / quantification study on the reduction effect of agricultural non-point source pollution in rural areas(2)
Donigian, A. S. Jr. / 1976 / Modeling nonpoint pollution from the land surface. EPA-600/3- 76-083 / EPA Technological Service, U.S. Environmental Protection Agency, Athens, GA
Kang, D. K. / 2005 / Analysis of the reduction of sediment yield by selected BMP in the Naerincheon watershed of Soyanggang-dam using SWAT / 석사 / Konkuk University
Choi, J. D. / 2010 / A quantification study on the reduction effect of agricultural non-point source pollution in rural areas(1) / National Institute of Environmental Research
Choi, J. D. / 2011 / quantification study on the reduction effect of agricultural non-point source pollution in rural areas(2)
Donigian, A. S. Jr. / 1976 / Modeling nonpoint pollution from the land surface. EPA-600/3- 76-083 / EPA Technological Service, U.S. Environmental Protection Agency, Athens, GA
Kang, D. K. / 2005 / Analysis of the reduction of sediment yield by selected BMP in the Naerincheon watershed of Soyanggang-dam using SWAT / 석사 / Konkuk University
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