Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Hydrological Evaluation of Rainwater Harvesting: 1. Hydrological Analysis

빗물이용의 수문학적 평가: 1. 수문해석

  • Yoo, Chulsang (Department of Architectural, Civil and Environmental Engineering, Korea University) ;
  • Kim, Kyoungjun (Department of Architectural, Civil and Environmental Engineering, Korea University) ;
  • Yun, Zuhwan (Department of Environmental Engineering, Korea University)
  • 유철상 (고려대학교 건축.사회환경공학과) ;
  • 김경준 (고려대학교 건축.사회환경공학과) ;
  • 윤주환 (고려대학교 환경공학과)
  • Received : 2007.10.30
  • Accepted : 2008.03.10
  • Published : 2008.03.30
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Abstract

This study revised a model for hydrologically analyzing rainwater harvesting facilities considering their rainfall-runoff properties and the data available. This model has only a few parameters, which can be estimated with rather poor measurements available. The model has a non-linear module for rainfall loss, and the remaining rainfall excess (effective rainfall) is assumed to be inflow to the storage tank. This model has been applied for the rainwater harvesting facilities in Seoul National University, Korea Institute of Construction Technology, and the Daejon World Cup Stadium. As a result, the runoff coefficients estimated were about 0.9 for the building roof as a rainwater collecting surface and about 0.18 for the playground. This result is coincident with that for designing the rainwater harvesting facilities to show the accuracy of model and the simulation results.

Keywords

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