Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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LIDMOD2 Development for Evaluation of LID/BMPs

LID/BMPs 효과분석을 위한 LIDMOD2 개발

  • Jeon, Ji-Hong (Department of Environmental Engineering, Andong National University) ;
  • Choi, Donghyuk (Department of Environmental Engineering, Andong National University) ;
  • Na, Eun Hye (Water Environmental Research Department, National Institute of Enviornmental Research) ;
  • Park, Chan-Gi (Department of Rural Construction Engineering, Kongju National University) ;
  • Kim, Tae-Dong (Department of Environmental Engineering, Andong National University)
  • 전지홍 (국립안동대학교 환경공학과) ;
  • 최동혁 (국립안동대학교 환경공학과) ;
  • 나은혜 (국립환경과학원 물환경연구부) ;
  • 박찬기 (국립공주대학교 지역건설공학과) ;
  • 김태동 (국립안동대학교 환경공학과)
  • Received : 2009.11.03
  • Accepted : 2010.02.18
  • Published : 2010.05.30
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Abstract

LIDMOD2 was developed for evaluation of low impact development (LID) and best management practice (BMP) by modification of Site Evaluation Tool (SET). The modification includes employment of SCS-CN method for annual runoff simulation, unit load method for annual pollutant loads simulation, and the method proposed by Korean TMDL for calculating pollutant reduction by BMPs. The CN values were updated with regionalized parameters within Nack-Dong River basin because these are important parameters for simulating hydrology. LIDMOD2 was tested by applying to Andong Bus terminal. As a simulation results, pollutant loads and surface runoff will be significantly increased by post-development without LID compared with those from pre-development. LID technique was simulated to efficiently reduce surface runoff and pollutant load and increase infiltration. LIDMOD2 is screening level tool and easy to use because LIDMOD2 is based on spread sheet and most of parameters are regionalized. LIDMOD2 was illustrate that it could evaluate LID well by summarizing and graphing annual hydrology, annual pollutant loading, and hydrograph for event storm. The calculation methods related with pollutant loads are employed from the guideline of Korean TMDL and it can be useful tool for Korean TMDL to evaluate the effect of LID/BMP on developing area.

Keywords

References

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