Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Analysis and Comparison about NPS of Plane Field and Alpine Field

평지밭과 고랭지밭의 비점오염에 대한 분석과 비교

  • Choi, Yong-hun (Regional Infrastructure Engineering, Kangwon National University) ;
  • Won, Chul-hee (Institute of Environmental Research, Kangwon National University) ;
  • Seo, Ji-yeon (Regional Infrastructure Engineering, Kangwon National University) ;
  • Shin, Min-Hwan (Geum River Environment Research Center, National Institute of Environment Research) ;
  • Yang, Hee-jeong (Han River Environment Research Center, National Institute of Environment Research) ;
  • Lim, Kyoung-jae (Regional Infrastructure Engineering, Kangwon National University) ;
  • Choi, Joong-dae (Regional Infrastructure Engineering, Kangwon National University)
  • 최용훈 (강원대학교 지역건설공학과) ;
  • 원철희 (강원대학교 환경연구소) ;
  • 서지연 (강원대학교 지역건설공학과) ;
  • 신민환 (국립환경과학원 금강물환경연구소) ;
  • 양희정 (국립환경과학원 한강물환경연구소) ;
  • 임경재 (강원대학교 지역건설공학과) ;
  • 최중대 (강원대학교 지역건설공학과)
  • Received : 2009.03.30
  • Accepted : 2009.07.28
  • Published : 2009.09.30
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Abstract

A plane field and a sloped field located at low-land plane and alpine areas, respectively, were monitored with respect to runoff, water quality and fertilizer uses from March to December, 2008. Runoff volume and Non-Point Source (NPS) loads were estimated and analyzed with respect to fertilizer uses. Total TN and TP loads from the sloped field were higher than those from plane field because of larger chemical uses in the alpine field than in the plane field. Organic matter load from plane field was higher than that from sloped field because more organic compost was applied to plane field than to sloped field. Event Mean Concentration (EMC) of measured water quality indices were relatively higher in both fields. Organic matter load per 1 mm rainfall were higher in plane field and TN and TP loads per 1 mm rainfall were higher in sloped field than those in respective comparing field. It was concluded that the type and application method of fertilizer could play an important role in the estimation of NPS pollution loads and the development of Best Management Practices (BMPs). However, it was recommended that long-term monitoring is necessary to better describe the relationship between fertilizer uses and water quality from agricultural fields because numerous natural and management factors other than fertilizer also affect runoff quality.

Keywords

Acknowledgement

Supported by : 한강수계관리위원회, 한강물환경연구소

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