Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Design of Optimum Volume of Sediment Settling Pond at Highland Agricultural Watershed Using WEPP Model

WEPP 모델을 이용한 고랭지밭 경사도별 침사지 적정용량 산정방법

  • Hyun, Geun-Woo (Gangwon-do Health and Environmental Institute) ;
  • Park, Sung-Bin (Gangwon-do Health and Environmental Institute) ;
  • Park, Jeong-Hee (Department of Environmental Science, Kangwon National University) ;
  • Geon, Sang-Ho (Department of Environmental Science, Kangwon National University) ;
  • Choi, Jae-Wan (Division of Water and Environment, Korea Environment Institute) ;
  • Kim, Ki-Sung (Department of Regional Infrastructures Engineering, Kangwon National University) ;
  • Lim, Kyoung-Jae (Department of Regional Infrastructures Engineering, Kangwon National University)
  • Received : 2010.03.19
  • Accepted : 2010.09.14
  • Published : 2010.09.30
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Abstract

The optimum volume of sediment settling pond is determined by the maximum rainfall and surface peak rate runoff from crop field. Based on analysis of measured rainfall and runoff data, it was found that rainfall intensity of 2 mm/min would result in peak rate runoff from the agricultural field of study area. Optimum pond volume under various slope scenarios were determined using the WEPP model calibrated with measured flow and sediment data for the study watershed. For the agricultural field with the slope of 7 % and area of $2,600\;m^2$ at the study area, at least $6.4\;m^3$ of sediment settling pond is needed as shown in this study. The results presented in this study could be used as a guide in designing appropriate volume of sediment settling pond at highland agricultural areas because both very detailed field measurement and calibrated WEPP model results are used in the analysis.

Keywords

References

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