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Variability of Floating Marine Debris on the Kuroshio Current Area

Kuroshio 해류의 흐름장에 부유하는 해양 폐기물의 변동 특성

  • Received : 2014.09.26
  • Accepted : 2014.10.27
  • Published : 2014.12.31

Abstract

This study is to analyze the variability of floating marine debris(FMD) on the Kuroshio Current Area(KCA). A sighting survey was conducted from July 5th to July 16th, 2013 while navigating on KCA from Keelung, Taiwan to Tokyo, Japan using T/V KAYA of Pukyong National University. The sampled zones were divided into 6 transects and observed FMD during daytime in each transect. And also specified with 56 segments by defined one hour tracking distance as one segment on the survey routes. The results are as follows: 1. Hourly deviation of FMD's quality in each transect goes up to 10 times at NT, HS and SK. The others 3 times or so. 2. During the surveys, the largest amounts of it were found as total mean of $31.0num(ea)/km^2$ at NT transect in the northern part of Taiwan. So it is estimated because this area has gotten out of KCA. 3. And also quality of it on KCA was not directly related to Kuroshio Current's strong or weak. In conclusion, For the more detailed results on KCA are required of much more surveys.

Keywords

References

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