Journal of the Korean Society of Marine Environment & Safety (해양환경안전학회지)

The Korean Society of Marine Environment and safety (해양환경안전학회)
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Modeling the Resident Characteristics of Land-Based Pollutant Inflow to Suyeong Bay

수영만으로 유입되는 육상기인 오염물질의 체류특성 모델링

  • Jung, Woo-Sung (Marine Environmental Management Division, National Institute of Fisheries Science) ;
  • Hong, Sok-Jin (Tidal Flat Research Institute, National Institute of Fisheries Science) ;
  • Lee, Won-Chan (Marine Environmental Management Division, National Institute of Fisheries Science) ;
  • Kim, Hyung-Chul (Marine Environmental Management Division, National Institute of Fisheries Science) ;
  • Kim, Jin-ho (Marine Environmental Management Division, National Institute of Fisheries Science) ;
  • Kim, Dong-Myung (Department of Ecological engineering, Pukyong National University)
  • 정우성 (국립수산과학원 어장환경과) ;
  • 홍석진 (국립수산과학원 갯벌연구소) ;
  • 이원찬 (국립수산과학원 어장환경과) ;
  • 김형철 (국립수산과학원 어장환경과) ;
  • 김진호 (국립수산과학원 어장환경과) ;
  • 김동명 (부경대학교 생태공학과)
  • Received : 2018.11.12
  • Accepted : 2019.02.25
  • Published : 2019.02.28
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Abstract

The resident characteristics of land-based pollutants were analyzed to manage the pollution sources affecting Suyeong Bay. These characteristics were analyzed using a hydrodynamic model and particle tracking model. Pollutants were represented by particles, and the amount of particles and pollutants was represented proportional. The resident characteristics were analyzed by comparing the amount of pollutant load, resident pollutants, and the ratio of resident pollutants remaining in the bay relative to the incoming load for each the of pollution sources. The order of the pollution sources was as follows, according to the amount of resident pollutants at Suyeong Bay. the Suyeong WasteWater Treatment Plant(WWTP), Nambu WWTP, Suyeong river and so on. The amount of resident pollutants was smaller for small load farther away from the interior of bay. Nambu WWTP had the greatest load among the pollution sources, but it showed the smallest ratio of pollutants remaining in the bay relative to incoming load among the pollution points. The result indicates that pollutants affect sea areas differently according to the characteristics each area and the topographic characteristics of pollution sources.

수영만 해역의 오염원 관리를 위해 유입되는 육상기인 오염물질의 체류특성을 분석하였다. 오염물질의 체류특성은 해수유동 모델과 입자추적 모델을 활용하여 분석하였다. 오염물질은 입자로 표현되며, 입자의 양과 오염물질량은 비례하도록 나타내었다. 체류특성은 각 오염원별로 부하량, 해역에서 체류하는 오염물질량, 부하량 대비 해역에 체류하는 오염물질량을 비교하여 분석하였다. 수영만 해역에 체류하고 있는 오염물질량을 오염원별 순으로 나타내면 수영하수처리장, 남부하수처리장, 수영강 등의 순이었다. 오염부하량이 적고만 내측에서 멀어질수록 해역에 체류하는 오염물질량이 적었다. 오염원 중에서는 남부하수처리장에서 유입되는 부하량이 가장 많았다. 하지만, 유입 부하량 대비 해역에 체류하는 오염물질량은 수영만으로 유입되는 오염원 중 가장 낮은 값을 보였다. 이는, 해역의 특성과 각 오염원의 지형적인 특성에 따라 오염물질이 해역에 미치는 정도가 다르다는 것을 의미한다.

Keywords

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