Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Flood Discharge to Decision of Parameters in Han Stream Watershed

한천유역의 홍수량 산정을 위한 HEC-HMS 모형의 민감도 분석

  • Jung, Woo-Yul (Department of Civil Engineering, Jeju National University) ;
  • Yang, Sung-Kee (Department of Civil Engineering, Jeju National University) ;
  • Kim, Dong-Su (Department of Civil & Environmental Engineering, Dankook University)
  • Received : 2013.11.14
  • Accepted : 2014.04.03
  • Published : 2014.04.30
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Abstract

The streams in Jeju Island have very distinctive hydrological and geological properties and there are a lot of limits in applying the general flood estimation method. This study presented parameters dominant in the Hancheon stream of Jeju Island by analyzing the sensitivity of parameters of HEC-HMS model regarding rainfall events in the target basin, and extracted the optimal parameter(Time of Concentration of Clark Unit Hydrograph: Kraven II method, Storage Coefficient: Sabol method) by analyzing and comparing it with the flood runoff data observed in the site and Jeju Island's observation data.

Keywords

References

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