Journal of Korean Society of Environmental Engineers (대한환경공학회지)

Korean Society of Environmental Engineers (대한환경공학회)
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Path Prediction and Suggestion of Efficient Collection Points for Marine Plastic Debris Based on Betweenness Centrality Analysis

매개 중심성을 이용한 해양 플라스틱 폐기물의 경로 예측 및 효율적인 수거지점 제안

  • Jeon, Yeon Seon (Department of Environmental Science and Engineering, Ewha Womans University) ;
  • Hong, Min Ji (Department of Environmental Science and Engineering, Ewha Womans University) ;
  • Park, Moo Kyu (Center for Information Security Technologies, Korea University) ;
  • Choi, Yong-Sang (Department of Environmental Science and Engineering, Ewha Womans University)
  • 전연선 (이화여자대학교 환경공학과) ;
  • 홍민지 (이화여자대학교 환경공학과) ;
  • 박무규 (고려대학교 정보보호연구원) ;
  • 최용상 (이화여자대학교 환경공학과)
  • Received : 2015.01.16
  • Accepted : 2015.07.30
  • Published : 2015.07.31
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Abstract

Korea severely suffers from plastic-induced ocean pollution, but only few studies predicted the trajectory of marine plastic debris and provided their collection method. This study used Ocean Surface CURrent Simulator (OSCURS) of National Oceanic and Atmospheric Administration (NOAA) in order to predict the trajectories of marine plastic debris flowing into the East Sea and Yellow Sea for each season during 2004 to 2013. Results suggest that efficient collection hubs through the high betweenness centrality index. Most hubs were located in the seashores regardless of season, suggesting the seashore of Uljin for the East Sea and the seashore between Saemangeum and Shinan for the Yellow Sea as the most efficient hubs.

우리나라에서 플라스틱으로 인한 해양오염이 심각함에도 불구하고 경로 예측 및 수거 방안에 대한 연구는 찾아보기 어렵다. 본 연구에서는 미국 해양대기청(National Oceanic and Atmospheric Administration, NOAA)의 해양 표층해류 시뮬레이터(Ocean Surface CURrent Simulator, OSCURS)를 이용하여 2004년부터 2013년까지 계절별로 동 서해로 유입된 플라스틱 폐기물의 이동 경로를 예측하였고, 매개 중심성 분석을 통하여 효율적인 수거지점을 제안하였다. 효율적인 수거지점의 대부분이 계절과 상관없이 연안에 형성되었고, 그중에서도 동해는 울진 연안, 서해는 새만금-신안 연안이 플라스틱 폐기물을 효율적으로 수거할 수 있는 지역이었다.

Keywords

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