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A Study on Exploring Accumulation Zone and Composition Investigation of Floating Debris in Nakdong River Basin

낙동강 유역 부유쓰레기의 집적 구간 탐색 및 성상 조사 연구

  • 장선웅 (부경대학교 공간정보시스템공학과) ;
  • 김대현 (오션테크(주)) ;
  • 정용현 (부경대학교 생태공학과) ;
  • 윤홍주 (부경대학교 공간정보시스템공학과)
  • Received : 2015.03.06
  • Accepted : 2015.05.03
  • Published : 2015.06.30

Abstract

The aim of this study is to find out major accumulation zones through field survey and moving route tracking trials on floating debris of Nakdong River. It also identified composition and accumulated amount of the floating debris by sample survey for accumulation zones. As a result, total 5 accumulation zones were selected from the midstream and downstream of the Nakdong River. There was a large amount of floating debris, including vegetation debris, in the accumulation zones. And two accumulation zones located in the downstream region, it is much more likely to flow into the ocean along river. From the sample survey on the major accumulation zones, more than $40{\ell}$ of floating debris were collected including vegetation and artificial debris. As a result of composition analysis for artificial debris, plastic(49%) and styrofoam(36%) were the majority in number. The present study is expected to help to plan an efficient pre-collecting activity and to reduce floating debris flowing into the ocean from the Nakdong River.

Acknowledgement

Supported by : 한국연구재단

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